Data Quality Reports for Session: 180241 User: chenh2 Completed: 10/06/2016

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D160104.7SGP Site Power Outage Due to Winter StormsgpceilpblhtC1.a0Does not affect quality
D160106.3SGP/CEIL/C1 - Ice accumulation on windowsgpceilpblhtC1.a0Incorrect
D160212.3SGP - Data System Upgrades: Data MissingsgpceilpblhtC1.a0Missing


DQRID : D160104.7
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/26/2015000001/01/20162359Does not affect quality
Subject:
SGP Site Power Outage Due to Winter Storm
DataStreams:sgpceilpblhtC1.a0
Description:
On Saturday and Sunday, December 26 and 27th a powerful winter storm (Goliath) brought 
sleet and freezing rain to much of Oklahoma with wind gusts of 45 MPH at times. The result 
was very very slick roads and mass power outages.
 
The SGP central facility lost power at 8:55 PM CDT on Sunday, December 27th.  
The power was restored on 7:56 PM CDT on Wednesday, December 30th
 
Site Emergency procedures were activated and Technicians drained water out of instrument 
reservoirs and other measures as needed, early Monday morning.
 
On Wednesdays as roads and power started was restored to much of the areas east of I-35 , 
Site Technicians performed maintenance on several Extended Facilities.

During this period, data are potentially missing, incorrect, or suspect.  Carefully 
inspect the data before use.
Measurements:sgpceilpblhtC1.a0:
  • North latitude(lat)
  • Cloud, base height, lowest base sensed(first_cbh)
  • Third cloud base height(third_cbh)
  • sample_count
  • Cloud, base height, second lowest base sensed(second_cbh)
  • Second boundary layer height candidate(bl_height_2)
  • First boundary layer height candidate(bl_height_1)
  • Third boundary layer height candidate(bl_height_3)
  • Altitude above mean sea level(alt)
  • detection_status
  • East longitude(lon)
  • bl_index_3
  • bl_index_2
  • bl_index_1
  • base_time
  • time_offset
  • time

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DQRID : D160106.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/26/2015115012/31/20151449Incorrect
11/26/2015170011/30/20152359Incorrect
Subject:
SGP/CEIL/C1 - Ice accumulation on window
DataStreams:sgpceilpblhtC1.a0
Description:
Ice accumulated on the window during an ice storm.
Measurements:sgpceilpblhtC1.a0:
  • Cloud, base height, lowest base sensed(first_cbh)
  • Third cloud base height(third_cbh)
  • Cloud, base height, second lowest base sensed(second_cbh)
  • Second boundary layer height candidate(bl_height_2)
  • First boundary layer height candidate(bl_height_1)
  • Third boundary layer height candidate(bl_height_3)

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DQRID : D160212.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
01/26/2016180001/27/20162145Missing
Subject:
SGP - Data System Upgrades: Data Missing
DataStreams:sgpceilpblhtC1.a0
Description:
The data system was undergoing upgrades.  Data were lost during this period.
Measurements:sgpceilpblhtC1.a0:
  • North latitude(lat)
  • Cloud, base height, lowest base sensed(first_cbh)
  • Third cloud base height(third_cbh)
  • sample_count
  • Cloud, base height, second lowest base sensed(second_cbh)
  • Second boundary layer height candidate(bl_height_2)
  • First boundary layer height candidate(bl_height_1)
  • Third boundary layer height candidate(bl_height_3)
  • Altitude above mean sea level(alt)
  • detection_status
  • bl_index_3
  • East longitude(lon)
  • bl_index_2
  • bl_index_1
  • base_time
  • time
  • time_offset

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