DQRID : D991117.2
Start DateStart TimeEnd DateEnd Time
01/04/1998114401/04/19981420
more
Subject:
SGP/TWR/C1 - West-side power low
DataStreams:sgp1440twr25mC1.a0, sgp30twr25mC1.a1, sgp1twr60mC1.a0, sgp1440twr60mC1.a0,
sgp30twr60mC1.a1, sgp1twr25mC1.a0
Description:
A power outage caused a GFCI breaker to trip.  This removed power from the instruments on 
the tower. Temperature, relative humidity, and the calculated vapor pressure at both 25m 
and 60m levels are suspect because the sensors were not properly aspirated.
Suggestions: 
Measurements:sgp1twr25mC1.a0:
  • Aspirator flow status (% of time with proper flow)(aspirator)
  • Relative Humidity (hybrid-b grid)(rh)
  • Vapor Pressure (kiloPascals)(vap_pres)
  • Environmental Temperature (hybrid-b grid)(temp)
more
sgp1twr60mC1.a0:
  • Environmental Temperature (hybrid-b grid)(temp)
  • Vapor Pressure (kiloPascals)(vap_pres)
  • Relative Humidity (hybrid-b grid)(rh)
  • Aspirator flow status (% of time with proper flow)(aspirator)
  • Average battery voltage(vbat)
more
sgp30twr25mC1.a1:
  • Relative Humidity (hybrid-b grid)(rh)
  • Environmental Temperature (hybrid-b grid)(temp)
  • Standard deviation of vapor pressure(sd_vap_pres)
  • Aspirator flow status (% of time with proper flow)(aspirator)
  • Standard Deviation of Relative Humidity(sd_rh)
  • Standard Deviation of Air Temperature(sd_temp)
  • Vapor Pressure (kiloPascals)(vap_pres)
more
sgp1440twr60mC1.a0:
  • Minimum Relative Humidity(min_rh)
  • Daily minimum air temperature(min_temp)
  • Daily minimum vapor pressure(min_vap_pres)
  • Daily maximum relative humidity(max_rh)
  • Maximum Temperature(max_temp)
  • Maximum Vapor Pressure(max_vap_pres)
more
sgp1440twr25mC1.a0:
  • Daily minimum vapor pressure(min_vap_pres)
  • Maximum Temperature(max_temp)
  • Minimum Relative Humidity(min_rh)
  • Daily minimum air temperature(min_temp)
  • Maximum Vapor Pressure(max_vap_pres)
  • Daily maximum relative humidity(max_rh)
more
sgp30twr60mC1.a1:
  • Relative Humidity (hybrid-b grid)(rh)
  • Vapor Pressure (kiloPascals)(vap_pres)
  • Environmental Temperature (hybrid-b grid)(temp)
  • Standard Deviation of Air Temperature(sd_temp)
  • Aspirator flow status (% of time with proper flow)(aspirator)
  • Standard deviation of vapor pressure(sd_vap_pres)
  • Standard Deviation of Relative Humidity(sd_rh)
more

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