Alva (ALV2)

  • Station Number: 116
  • Location: 7.2 miles SSW of Alva
  • County: Woods
  • Commissioned: 12/16/1998
  • Latitude: 36.708230° / 36° 42' 29" N
  • Longitude: -98.709740° / 98° 42' 35" W
  • Elevation: 439 meters above Mean Sea Level (1,440 feet )

Variables Measured Every 5 Minutes

  • Station Battery Voltage (BATV)
  • Barometric Pressure at 0.75 m (PRES)
  • Rain since midnight UTC at 0.6m (RAIN)
  • Relative Humidity at 1.5 m (RELH)
  • Solar Radiation (SRAD)
  • Air Temperature at 9 m (TA9M)
  • Air Temperature at 1.5 m (TAIR)
  • Supplemental Air Temperature (TSLO)
  • Wind Direction at 10 m (WDIR)
  • Wind Direction Standard Deviation at 10 m (WDSD)
  • Maximum Wind Speed at 10 m (WMAX)
  • Maximum Wind Speed at 2 m (WMX2)
  • Wind Speed at 2 m (WS2M)
  • Wind Speed at 10 m (WSPD)
  • Wind Speed Standard Deviation at 10 m (WSSD)
  • Vector Wind Speed at 10 m (WVEC)

Variables Measured Every 15 Minutes

  • Soil Temperature at 10 cm under Bare Soil (TB10)
  • Soil Temperature at 5 cm under Native Vegetation (TS05)
  • Soil Temperature at 10 cm under Native Vegetation (TS10)

Variables Measured Every 30 Minutes

  • 229L Soil Moisture Final Temperature at 5 cm (FT05)
  • 229L Soil Moisture Final Temperature at 25 cm (FT25)
  • 229L Soil Moisture Starting Temperature at 5 cm (ST05)
  • 229L Soil Moisture Starting Temperature at 25 cm (ST25)
  • Thermocouple Reference Temperature (TREF)

Site Extremes Site Extremes since commissioning on 12/16/1998

Maximum air temperature (°F) 114 07/09/2011
Minimum air temperature (°F) -15 02/10/2011
Maximum daily rainfall (in.) 4.59 06/10/2005
Maximum monthly rainfall (in.) 11.31 05/2019
Maximum annual rainfall (in.) 41.69 1999
Maximum wind speed (mph) 80.3 05/07/2019



Soil Characteristics

  Texture Class % Sand % Silt % Clay
5 cm depth Clay loam 33.3 31.4 35.3
25 cm depth Clay 21.2 29.7 49.1
60 cm depth Clay 19.8 29.8 50.5
75 cm depth NA NA NA NA