DQR ID | Subject | Data Streams Affected |
---|---|---|
D080325.1 | NSA/METTWR/C1 - Intermittent missing data | nsamettwr4hC1.b1 |
D080326.2 | NSA/METTWR/C1 - 2m Wind Direction Sensor Freezing | nsamettwr4hC1.b1 |
D080408.2 | NSA/METTWR/C1 - CMH Intake Fan Failure | nsamettwr4hC1.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/14/2008 | 2012 | 03/31/2008 | 0900 |
Subject: | NSA/METTWR/C1 - Intermittent missing data |
DataStreams: | nsamettwr4hC1.b1 |
Description: | Intermittent failure of the CMH to communicate with the logging system occurred on a daily basis. This problem occurred anywhere from 4 to 8 hrs. Problem began after maintenance to replace failing aspirator fan on 03/13/2008. |
Measurements: | nsamettwr4hC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/05/2008 | 0000 | 03/27/2008 | 1730 |
Subject: | NSA/METTWR/C1 - 2m Wind Direction Sensor Freezing |
DataStreams: | nsamettwr4hC1.b1 |
Description: | The 2m wind direction was failing. It began to exhibit instances of no movement suggesting it was frozen. After some time it began to make erratic measurements compared to the co-located Ultrasonic and compared to the directions at the other levels. |
Measurements: | nsamettwr4hC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/07/2008 | 1200 | 03/13/2008 | 2345 |
Subject: | NSA/METTWR/C1 - CMH Intake Fan Failure |
DataStreams: | nsamettwr4hC1.b1 |
Description: | The CMH intake fan failed causing the dew point and temp data to be incorrect. If users need only T/RH and derived variables they can use the 2m data collected using the HMP-45D probes. CMH data are unrecoverable. |
Measurements: | nsamettwr4hC1.b1:
|