| DQR ID | Subject | Data Streams Affected |
|---|---|---|
| D960122.1 | Jump in pressure value upon launch | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960122.2 | Jump in pressure value upon launch | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960202.2 | bad pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960223.1 | Incorrect surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960223.2 | Incorrect surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960403.1 | Bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960415.1 | Bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960506.1 | Bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960602.2 | bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960611.3 | bad surface values sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960701.4 | Bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960706.1 | Bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960913.1 | bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960913.2 | bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960913.3 | bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960913.5 | bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D960927.2 | Bad surface pressure sounding | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D970111.1 | Incorrect surface temperature | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D970318.2 | Questionable RH | sgpsondewrpnC1.a1 |
| D970507.2 | Jump in pressure value | sgpsondewrpnC1.a1 |
| D970624.2 | Incorrect surface values | sgpsondewrpnC1.a1 |
| D970625.1 | Bad sounding file CF 970622:0228 | sgpsondewrpnC1.a1 |
| D970709.1 | Bad pressure values CF sounding 970704:0525 | sgpsondewrpnC1.a1 |
| D970710.1 | Questionable pressure/altitude data | sgpsondewrpnC1.a1 |
| D970923.2 | Pressure jump at launch | sgpsondewrpnC1.a1 |
| D980126.1 | Incorrect radiosonde serial numbers | sgpsondewrpnB1.a0, sgpsondewrpnB1.a1, sgpsondewrpnB4.a0, sgpsondewrpnB4.a1, sgpsondewrpnB5.a0, sgpsondewrpnB5.a1, sgpsondewrpnB6.a0, sgpsondewrpnB6.a1, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D980126.2 | Incorrect surface temperature and humidity | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D980506.1 | Incorrect surface values | sgpsondewrpnC1.a1 |
| D980507.4 | Incorrect surface pressure | sgpsondewrpnC1.a1 |
| D980511.2 | Incorrect surface pressure | sgpsondewrpnC1.a1 |
| D980716.1 | Bad sounding | sgpsondewrpnC1.00, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D980917.1 | Incorrect surface readings | sgpsondewrpnC1.00, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| D980917.2 | Incorrect surface RH | sgpsondewrpnC1.00, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 01/17/1996 | 2031 | 01/17/1996 | 2031 |
| Subject: | Jump in pressure value upon launch |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: SGPSONDEC1
Subject: Jump in pressure value upon launch 960117:2031
Date Submitted: 1/22/96
Submitted By: Barry Lesht _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondeWRPNC1/ (alt, asc, press)
What level data: (raw,a0,a1,b1,c1 etc): all
What location was the data collected at: SGP/CF
Period of time in question
Begin Date 1/17/96 Time 20:31 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
It appears that the pressure sensor was jarred during launch and jumped
readings from 975.4 hPa at the surface to 950.2 hPa at the first sample
after launch. This results in erroneous altitude values throughout the
sounding and erroneous ascent rate values during the first 30 seconds.
The relative altitude calculations after the second sample should be
correct. Although the surface wind speed was recorded at 10.3 m/s,
the next wind value is reported as 18.2 m/s - quite strong. The bouncing
of the balloon during the launch might account for the abnormal jarring
of the sonde.
Other observations/measurements impacted by this problem:
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 01/18/1996 | 0533 | 01/18/1996 | 0533 |
| Subject: | Jump in pressure value upon launch |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: SGPSONDEC1
Subject: Jump in pressure value upon launch 960118:0533
Date Submitted: 1/22/96
Submitted By: Barry Lesht _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondeWRPNC1/ (alt, asc, press)
What level data: (raw,a0,a1,b1,c1 etc): all
What location was the data collected at: SGP/CF
Period of time in question
Begin Date 1/18/96 Time 05:33 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
It appears that the pressure sensor was jarred during launch and jumped
readings from 973.1 hPa at the surface to 960.7 hPa at the first sample
after launch. This results in erroneous altitude values throughout the
sounding and erroneous ascent rate values during the first 30 seconds.
The relative altitude calculations after the second sample should be
correct. The surface winds were quite strong, 16.5 m/s. The bouncing
of the balloon during the launch might account for the abnormal jarring
of the sonde.
Other observations/measurements impacted by this problem:
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 02/01/1996 | 1129 | 02/01/1996 | 1129 |
| Subject: | bad pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad pressure sounding 02/01/96:1129
Date Submitted: 2/01/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 02/01/96 Time 11:29 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 962.6.
The first pressure value reported by the sonde is 962.4 hPa. The surface
pressure in the previous (0533) and subsequent (1429) soundings were 983.3
and 985.7 respectively. SMOS13 pressures were in the 983+ range during
this same period. It appears that the sonde pressure sensor was bad and
was used as the source of the surface pressure (this is CF standard procedure).
Both the pressure and altitude values for this sounding are likely incorrect.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 02/21/1996 | 1131 | 02/21/1996 | 1131 |
| Subject: | Incorrect surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Incorrect surface pressure sounding 960221:1131
Date Submitted: 2/22/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 02/21/96 Time 11:31 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 995.6 hPa.
The first pressure value reported by the sonde is 972.3 hPa. It appears that
the operator entered sea-level pressure reported by the WeatherMeasureII instead
of sonde surface pressure. The altitude values for this sounding are likely
incorrect.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data and remind operators of current procedures. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 02/21/1996 | 1430 | 02/21/1996 | 1430 |
| Subject: | Incorrect surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Incorrect surface pressure sounding 960221:1430
Date Submitted: 2/22/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 02/21/96 Time 14:30 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 995.6 hPa.
The first pressure value reported by the sonde is 969.7 hPa. It appears that
the operator entered sea-level pressure reported by the WeatherMeasureII instead
of sonde surface pressure. The altitude values for this sounding are likely
incorrect.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data and remind operators of current procedures. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 04/01/1996 | 1430 | 04/01/1996 | 1430 |
| Subject: | Bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding 04/01/96 14:30
Date Submitted: 4/2/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 4/01/96 Time 14:30 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 1016.1
hPa. The first pressure value reported by the sonde is 988.3 hPa. The surface
pressure at 11:29 was 987.6 and at 17:32 was 988.3. It appears that the
operator entered the sea-level pressure rather than the station pressure.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 04/12/1996 | 0531 | 04/12/1996 | 0531 |
| Subject: | Bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding 04/12/96 05:31
Date Submitted: 4/15/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 4/12/96 Time 05:31 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 996.1
hPa. The first pressure value reported by the sonde is 964.2 hPa. The surface
pressure at 11:30 was 972.0 and at 14:30 was 973.5. It appears that the
operator entered the sea-level pressure rather than the station pressure.
The SMOS pressure during the period is in the 960-970 range.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/06/1996 | 0529 | 05/06/1996 | 0529 |
| Subject: | Bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding 05/04/96 05:29
Date Submitted: 5/06/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 5/06/96 Time 05:29 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 993.3
hPa. The first pressure value reported by the sonde is 964.0 hPa. The surface
pressure at 08:30 was 964.7 and at 11:31 was 954.3. It appears that the
operator entered the sea-level pressure rather than the station pressure.
The SMOS pressure during the period is in the 960-950 range.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/29/1996 | 2031 | 05/29/1996 | 2031 |
| Subject: | bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding 05/29/96 20:31
Date Submitted: 6/2/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 05/29/96 Time 20:31 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 999.2
hPa. The first pressure value reported by the sonde is 978.2 hPa. The surface
pressure at 17:25 was 980.1 and at 05:30 (5/30) was 981.8. It appears that the
operator entered the sea-level pressure rather than the station pressure.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 06/10/1996 | 1730 | 06/10/1996 | 1730 |
| Subject: | bad surface values sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface values sounding 06/10/96 17:30
Date Submitted: 6/11/96
Submitted By: Barry Lesht _X_ Instrument Mentor
David Glahn ___ EST Member
___ Science Team Member
_X_ Other _Site Ops__________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 06/10/96 Time 17:30 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The site operator inadvertently entered incorrect surface met values for
the subject sounding. Although he caught the error soon after launch
and reported it immediately, it was too late to correct. The following
table shows the incorrect (present in the file) and correct values.
Incorrect Correct
Pressure 1000.0 973.9
Temperature 35.0 30.5
Relative Humidity 27 30
The incorrect values of surface temperature and relative humidity will not
affect the other values in the sounding. The incorrect surface pressure
will, however, affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 07/01/1996 | 1130 | 07/01/1996 | 1130 |
| Subject: | Bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding 06/21/96 11:30
Date Submitted: 7/1/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 07/01/96 Time 11:30 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 996.4
hPa. The first pressure value reported by the sonde is 972.3 hPa. The surface
pressure at 05:30 was 972.3 and at 14:46 was 976.1. It appears that the
operator entered the sea-level pressure rather than the station pressure.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 07/04/1996 | 1728 | 07/04/1996 | 1728 |
| Subject: | Bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding 07/04/96 17:28
Date Submitted: 7/6/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 07/04/96 Time 17:28 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 995.4
hPa. The first pressure value reported by the sonde is 970.1 hPa. The surface
pressure at 14:30 was 972.3 and at 20:27 was 971.1. It appears that the
operator entered the sea-level pressure rather than the station pressure.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 09/09/1996 | 1429 | 09/09/1996 | 1429 |
| Subject: | bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding C1 09/09/96:14:29
Date Submitted: 9/9/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 09/09/96 Time 14:29 (GMT)
End Date Time (GMT)
Data should be labeled:
____ questionable ___ All data fields affected
_X__ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 1001.4
hPa. The first pressure value reported by the sonde is 979.7 hPa. It appears
that the operator incorrectly entered sea-level pressure obtained from the
WeatherMeasure set rather than surface pressure obtained from the radiosonde.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 09/09/1996 | 1731 | 09/09/1996 | 1731 |
| Subject: | bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding C1 09/09/96:17:31
Date Submitted: 9/9/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 09/09/96 Time 17:31 (GMT)
End Date Time (GMT)
Data should be labeled:
____ questionable ___ All data fields affected
_X__ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 1001.5
hPa. The first pressure value reported by the sonde is 978.9 hPa. It appears
that the operator incorrectly entered sea-level pressure obtained from the
WeatherMeasure set rather than surface pressure obtained from the radiosonde.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data.
Data Processing Notes Date
----- End Included Message ----- |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 09/09/1996 | 2029 | 09/09/1996 | 2029 |
| Subject: | bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding C1 09/09/96:20:29
Date Submitted: 9/9/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 09/09/96 Time 20:29 (GMT)
End Date Time (GMT)
Data should be labeled:
____ questionable ___ All data fields affected
_X__ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 999.4
hPa. The first pressure value reported by the sonde is 975.4 hPa. It appears
that the operator incorrectly entered sea-level pressure obtained from the
WeatherMeasure set rather than surface pressure obtained from the radiosonde.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 09/12/1996 | 0830 | 09/12/1996 | 0830 |
| Subject: | bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding C1 09/12/96:0830
Date Submitted: 9/13/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 012/96 Time 08:30 (GMT)
End Date Time (GMT)
Data should be labeled:
____ questionable ___ All data fields affected
_X__ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 987.7
hPa. The first pressure value reported by the sonde is 976.1 hPa. The
operator transposed the correct surface pressure 978.7 when entering the
data.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 09/27/1996 | 0828 | 09/27/1996 | 0828 |
| Subject: | Bad surface pressure sounding |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Bad surface pressure sounding C1 09/26/96:0828
Date Submitted: 9/27/96
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 09/27/96 Time 08:28 (GMT)
End Date Time (GMT)
Data should be labeled:
____ questionable ___ All data fields affected
_X__ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The surface pressure for this sounding was entered by the operator as 976.1
hPa. Analysis of the raw data file suggests that the actual surface pressure
at time of launch was 967.1 hPa. It appears that the operator transposed
the correct surface pressure from 967.1 to 976.1 when entering the data.
Note that this will affect the altitude calculation throughout the sounding.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 01/10/1997 | 1730 | 01/10/1997 | 1730 |
| Subject: | Incorrect surface temperature |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Incorrect surface temperature: sounding C1 01/10/97:1730
Date Submitted: 1/11/97
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
_X_ Other - Site Ops
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 01/10/97 Time 17:30 (GMT)
End Date Time (GMT)
Data should be labeled:
____ questionable ___ All data fields affected
_X__ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The site operator noted that the surface temperature for the subject sounding
was entered incorrectly. The value entered was -3.3 degC; the correct value
should be -6.3 degC. This is a fairly benign error, only the surface values
will be affected.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 03/07/1997 | 1427 | 03/07/1997 | 1427 |
| Subject: | Questionable RH |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Questionable RH: sounding C1 03/07/97:1427
Date Submitted: 3/18/97
Submitted By: _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other - Site Ops
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnC1.A1/all
What level data: (raw,a0,a1,b1,c1 etc):
What location was the data collected at: CF
Period of time in question
Begin Date 03/07/97 Time 14:27 (GMT)
End Date Time (GMT)
Data should be labeled:
_X__ questionable _?_ All data fields affected
_X__ incorrect _X_ Only some data fields affected
_?_ wrong calibration
___ others
Discussion of Problem:
David Cook pointed out that the RH values for the subject sounding disagree
substantially with values reported at the 60m tower. Review of the sounding
data shows saturation (100%) values reported at the surface and during
most of the sounding. The site ops log shows RH values of between 68% (1400)
and 52% (1500) at the surface. Surface temperature (8.4) and pressure (983.0)
obtained from the sonde are not substantially different from the surface
observations (7.8/10.8) and (982.7/982.4) at 1400 and 1500 respectively, so
it is unlikely that an incorrect calibration tape was used for the sonde.
I think the conclusion must be that the RH sensor on this sonde was bad.
As an operational issue, this sonde should have been rejected by site ops
because the surface RH value of 100% is more than 7% different than the surface
value obtained from an independent reference instrument. I will check the
procedures that I have provided to site ops to be sure that I included this
criterion.
Other observations/measurements impacted by this problem:
None
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/05/1997 | 1732 | 05/05/1997 | 1732 |
| Subject: | Jump in pressure value |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Jump in pressure value C1 sounding 970505.1732
Date Submitted: 5/06/97
Submitted By: Barry Lesht _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnc1/ (alt, asc, press)
What level data: (raw,a0,a1,b1,c1 etc): all
What location was the data collected at: SGP/CF
Period of time in question
Begin Date 5/05/97 Time 17:32 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable _X_ All data fields affected
_X_ incorrect ___ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
The first pressure value reported by the radiosonde (t = 2 sec) is
974.9. The surface pressure value was 980.9 hPa. This difference
is somewhat greater than the expected (normal) change and may mean that
either the pressure sensor was jarred during launch or the system
mis-identified the actual launch start time. Further clarification requires
analysis of the raw data which will take some time. The altitude values
for this sounding will be incorrect. The ascent rate values during the
first 30 seconds also will be wrong. Because the system will reject
samples with out of bound ascent rates (i.e., during the first 30 seconds),
the temperature and rh values also will be incorrect (result of
interpolation). Relative height values after 30 seconds should be okay.
Other observations/measurements impacted by this problem:
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 06/21/1997 | 2027 | 06/21/1997 | 2027 |
| Subject: | Incorrect surface values |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | DQR No: Platform: sgpsondeC1
Subject: Incorrect surface values sounding 970621:2027
Date Submitted: 6/23/97
Submitted By: Barry Lesht _X_ Instrument Mentor
___ EST Member
___ Science Team Member
___ Other _____________________________
For questions or problems, please contact the ARM Experiment Center at
509-375-6898 or via email at dqr@arm.gov.
Platform/Measurement: sgpsondewrpnc1
What level data: (raw,a0,a1,b1,c1 etc): all
What location was the data collected at: SGP/CF
Period of time in question
Begin Date 6/21/97 Time 20:27 (GMT)
End Date Time (GMT)
Data should be labeled:
___ questionable ___ All data fields affected
_X_ incorrect _X_ Only some data fields affected
___ wrong calibration
___ others
Discussion of Problem:
Site operations reports that incorrect surface values were entered into
the subject sounding. Instead of 972.3, 33.7, and 46 the surface pressure,
temperature, and humidity values should have been 971.8, 33.3, and 47.
The incorrect surface pressure will result in incorrect altitudes throughout
the profile and incorrect ascent rate values during the first 30 seconds.
The effects of the incorrect temperature and relative humidty values should
be negligable.
Other observations/measurements impacted by this problem:
Suggested Corrections of the Problem: (e.g. change calibration factor and
recompute, flag data with this comment, etc.)
Flag data. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 06/22/1997 | 0228 | 06/22/1997 | 0236 |
| Subject: | Bad sounding file CF 970622:0228 |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | It appears that there was a problem with the radiosonde that generated this short file. The pressure values are unreasonably high and the file terminated after only 484 seconds of flight. I note that the operators started a new sounding at 0252. This entire file should be disregarded or deleted. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 07/04/1997 | 0525 | 07/04/1997 | 0630 |
| Subject: | Bad pressure values CF sounding 970704:0525 |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | The pressure values and hence altitude values are most likely incorrect in this sounding. It also appears that an incorrect surface pressure value was entered by the operator. The surface pressure value in the data (986.8) is somewhat higher than the surface pressures for the neighboring soundings and higher than recorded in the raw data collected before launch (~978 hPa). The first pressure value recorded by the sonde after launch is 884.8 hPa. Analysis of the absolutely raw data reveals that the sonde was reading about 978 hPa well before launch, then suddenly dropped to 886.8 at which it remained stable for several minutes, then began slowly decreasing as would be expected after launch. My best guess is that the sonde was somehow damaged during handling before launch resulting in erroneous pressure values. Relative pressure changes from an 'apparent' surface value of 886.8 hPa may be correct, but the absolute pressure values are not. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 04/29/1996 | 0527 | 04/29/1996 | 0527 |
| Subject: | Questionable pressure/altitude data |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | Ric Cederwall noticed that the lowest 85 samples of this sounding have nearly constant values of temperature and relative humidity. It appears that the system may have mis-identified the launch start time in a way that resulted in the system using interpolated values of pressure even though the sonde was still on the ground. This may have been caused by a damaged pressure sensor. I will examine the absolutely raw data to try and understand this further, but I think it is reasonable to assume that the first 85 samples or so are incorrect and representative of condidtions at the surface and that the pressure sensor was damaged during this sounding. I will request the raw data from the archive today. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 09/21/1997 | 0530 | 09/21/1997 | 0530 |
| Subject: | Pressure jump at launch |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | The difference between the first pressure value recorded by the radiosonde after launch (984.5) that the surface value entered by the operator (989.3) is somewhat larger than would normally be expected. This will result in incorrect altitude values throughout the sounding. The ascent rates during the first 30 seconds also will be incorrect. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 01/01/1998 | 0000 | 12/31/1999 | 2359 |
| Subject: | Incorrect radiosonde serial numbers |
| DataStreams: | sgpsondewrpnB1.a0, sgpsondewrpnB1.a1, sgpsondewrpnB4.a0, sgpsondewrpnB4.a1, sgpsondewrpnB5.a0, sgpsondewrpnB5.a1, sgpsondewrpnB6.a0, sgpsondewrpnB6.a1, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | Radiosondes manufactured at Vaisala's Woburn, MA factory during the first of January 1998 have incorrect serial numbers. Instead of being numbered 8012XXXXX these sondes are numbered 7012XXXXX. Vaisala has been informed of this, has confirmed the problem, and has corrected their numbering for all subsequent sondes. 163 incorrectly numbered sondes were shipped to ARM on 1/9/98. Some have been used at the CF since 1/19/98:1430. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnB5.a1:
sgpsondewrpnB4.a0:
sgpsondewrpnB1.a0:
sgpsondewrpnB6.a0:
sgpsondewrpnB5.a0:
sgpsondewrpnB4.a1:
sgpsondewrpnB6.a1:
sgpsondewrpnC1.a1:
sgpsondewrpnB1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 01/19/1998 | 1130 | 01/19/1998 | 1130 |
| Subject: | Incorrect surface temperature and humidity |
| DataStreams: | sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | Incorrect values of surface temperature and relative humidity were entered by the operator. The surface temperature was entered as 17.5 degC; the first value reported by the sonde was -3.6 degC. The surface humidity was entered as 26; the first value reported by the sonde was 81%. It appears that the operator used the inside temperature/humidity rather than the sonde-reported outside temperature/humidity. Only the first few samples of the sounding will be affected. Note that the delta-check QC flag is set by this error. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 04/29/1998 | 1431 | 04/29/1998 | 1431 |
| Subject: | Incorrect surface values |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | The surface pressure, temperature, and relative humidity are incorrect for this soundings. The values in the sounding netCDF file (975.6, 3.2, 86) are different from the surface observations in the site ops log (978.9, 9.1, and 83) and from the values in the raw radiosonde data file at the moment just before ascent (978.7, 9.5, 83). The reason for the differences are unknown, but insofar as the surface values are manually entered by the operator into both the log (where they are correct) and into the sounding file (where they are incorrect) an operator miscue is a possibility. The major effect of this problem will be incorrect absolute altitude. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/06/1998 | 0832 | 05/06/1998 | 0832 |
| Subject: | Incorrect surface pressure |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | The operator transposed the digits of the surface pressure entering 976.3 instead of 967.3. The ops log shows 967.3 for the sonde and 968.3 for the THWAPS. Analysis of the absolutely raw sonde data shows 968.0 at the system-identified launch time. Note that because the output pressure data are smoothed, under the assumption that the surface data value is true, the first value reported by the sonde after launch 970.4 also is incorrect. The raw value corresponding to the sample after launch is 966.6. The absolute pressure values will be incorrect for the first few samples of the sounding, as will be the ascent rates for the first 30 seconds. The absolute altitude values also will be in error. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/09/1998 | 1431 | 05/09/1998 | 1431 |
| Subject: | Incorrect surface pressure |
| DataStreams: | sgpsondewrpnC1.a1 |
| Description: | The operator entered 960.2 for the surface pressure in both the log and the system. The first reading from the sonde is 950.9. Examination of the absolutely raw data shows that the sonde pressure before launch was 952.3. The THWAPS reading was 964.2. From the raw data it appears that either the system was not reset before this sounding or that a second sonde was started without resetting the system. The sonde pressure may be low in absolute terms or the operator may have mis-entered the actual sonde reading. In either case the absolute altitude will be wrong in this sounding and the ascent rates will be incorrect for the first 30 seconds. |
| Measurements: | sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 07/14/1998 | 2346 | 07/14/1998 | 2346 |
| Subject: | Bad sounding |
| DataStreams: | sgpsondewrpnC1.00, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | Data from this sounding look very fragmented as if only a few actual points were collected and intermediate points were intepolated. In a general sense this sounding looks 'weird' and should not be trusted. I do not yet have access to r1 so I can't look at the raw data, but I doubt that it will shed much light on the situation. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.00:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/09/1998 | 2029 | 05/09/1998 | 2029 |
| Subject: | Incorrect surface readings |
| DataStreams: | sgpsondewrpnC1.00, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | It appears that the operator entered an incorrect set of surface data for the subject sounding. The sounding has surface PTU as 975.6 hPa, 20.0 degC, and 93% RH - the corresponding THWAPS readings are 969.7 hPa, 19.9 degC, and 72.1 %RH. The OMIS log for the subject souding shows sonde surface values of 969.2 hPa, 17.6 degC, and 70% RH. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.00:
sgpsondewrpnC1.a1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/07/1998 | 2329 | 05/07/1998 | 2329 |
| Subject: | Incorrect surface RH |
| DataStreams: | sgpsondewrpnC1.00, sgpsondewrpnC1.a0, sgpsondewrpnC1.a1 |
| Description: | Because of what appears to be a typographical error, the operator entered 5% RH when the surface RH was 54% RH. The corresponding THWAPS reading is 50.1% RH and the OMIS log shows 54%RH. |
| Measurements: | sgpsondewrpnC1.a0:
sgpsondewrpnC1.00:
sgpsondewrpnC1.a1:
|