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diana:diana_bufr

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BUFR observations in Diana

Synop, Metar, Dribu, Ship

Pressure

Convert all values from Pa to hPa

  • PPPP
    • 10051 PRESSURE REDUCED TO MEAN SEA LEVEL
  • ppp
    • 10061 3 HOUR PRESSURE CHANGE
  • a
    • 10063 CHARACTERISTIC OF PRESSURE TENDENCY
  • PHPHPH
    • 10063 CHARACTERISTIC OF PRESSURE TENDENCY

Temperature

Convert all values from K to C

  • TTT
    • 12004 DRY BULB TEMPERATURE AT 2M
    • 12101 DRY BULB TEMPERATURE:
      • if 12004 DRY BULB TEMPERATURE AT 2M not reported
      • and 7001 HEIGHT OF SENSOR is between 1.5m and 2.5m
  • TdTdTd
    • 12006 DEW POINT TEMPERATURE AT 2M
    • 12103 DEW POINT TEMPERATURE:
      • if 12006 not reported
      • and 7001 HEIGHT OF SENSOR is between 1.5m and 2.5m
  • TxTn (min/max temerature)
    • 12014 MAX TEMPERATURE AT 2M:
      • if 4004 HOUR is 18
    • 12111 MAX TEMPERATURE:
      • if 12014 MAX TEMPERATURE AT 2M not reported
      • and 4004 HOUR is 18
      • and 7001 HEIGHT OF SENSOR is between 1.5m and 2.5m
      • and 04024 TIME PERIOD is 12
      • and 04024 TIME DISPLACEMENT is 0
    • 12015 MIN TEMPERATURE AT 2M:
      • if 4004 HOUR is 06
    • 12112 MIN TEMPERATURE:
      • if 120145 MIN TEMPERATURE AT 2M not reported
      • and 4004 HOUR is 06
      • and 7001 HEIGHT OF SENSOR is between 1.5m and 2.5m
      • and 04024 TIME PERIOD is 12
      • and 04024 TIME DISPLACEMENT is 0

Visibility

  • VV
    • 20001 HORIZONTAL VISIBILITY M
      • Only if 07032 is ???

Precipitation

  • RRR (at HOUR = 06 or HOUR = 18)
    • 13022 Total precipitation past 12 hour
      • if 4004 HOUR is 06 or 18
    • 13011 Total precipitation / total water equivalent of snow
      • if 13022 Total precipitation past 12 hour not reported
      • and 4004 HOUR is 06 or 18
      • and 04024 TIME PERIOD is 12
      • and 7001 HEIGHT OF SENSOR is between 1.5m and 2.5m ???????????
  • RRR (at HOUR = 00 or HOUR = 12)
    • 13021 Total precipitation past 6 hour
      • if 4004 HOUR is 00 or 12
    • 13011 Total precipitation / total water equivalent of snow
      • if 13021 Total precipitation past 12 hour not reported
      • and 4004 HOUR is 00 or 12
      • and 04024 TIME PERIOD is 6
      • and 7001 HEIGHT OF SENSOR is between 1.5m and 2.5m ???????????
    • RRR (HOUR not equal to 00,06,12,18, any of the following)
      • 13023 Total precipitation past 24 hour
      • 13022 Total precipitation past 12 hour
      • 13021 Total precipitation past 6 hour
      • 13020 Total precipitation past 3 hour
      • 13019 Total precipitation past 1 hour
      • 13011 Total precipitation past / total water equivalent of snow

Clouds

  • N
    • 20010 CLOUD COVER (TOTAL)
  • Nh
    • 20011 CLOUD AMOUNT (of low or middle clouds)
  • Ch
    • 20012 CLOUD TYPE
  • Cm
    • 20012 CLOUD TYPE
  • Cl
    • 20012 CLOUD TYPE
  • h
    • 20013 HEIGHT OF BASE OF CLOUD
  • CAVOK
    • 020009 GENERAL WEATHER INDICATOR (TAF/METAR) is 2
  • Clouds (Metar)
    • Based on the folowing
      • 20011 CLOUD AMOUNT
      • 20012 CLOUD TYPE
      • 20013 HEIGHT OF BASE OF CLOUD

Present and past weather

  • ww
    • 20003 PRESENT WEATHER if below 200
  • W1
    • 20004 PAST WEATHER (1) if between 2 and 20
  • W2
    • 20005 PAST WEATHER (2) if between 2 and 20

Wind

  • dd
    • 11011 WIND DIRECTION AT 10 M
    • 11001 WIND DIRECTION
      • if 11011 WIND DIRECTION AT 10 M not reported
      • and 7001 HEIGHT OF SENSOR is between 9m and 11m
      • and 04025 TIME PERIOD is 10
  • fxfx
    • 011042 MAXIMUM WIND SPEED (10 MIN MEAN WIND)
  • 911ff
    • 011041 MAXIMUM WIND SPEED (GUSTS)
  • dndndn
    • 011016 EXTREME COUNTERCLOCKWISE WIND DIRECTION OF A VARIABLE WIND
  • dxdxdx
    • 011017 EXTREME CLOCKWISE WIND DIRECTIONOF A VARIABLE WIND
  • fmfm
    • 011041 MAXIMUM WIND SPEED (GUSTS)

Snow depth

  • sss
    • 13013 Snow depth
    • 13218 IND. FOR SNOW-DEPTH-MEASUREMENT - DNMI less than 4 → sss=0
    • 20062 STATE OF THE GROUND (WITH OR WITHOUT SNOW)
diana/diana_bufr.1200598068.txt.gz · Last modified: 2008-01-17 19:27:48 by lisbethb