BUFR observations in Diana

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

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

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

• RRR
  • 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 ???????????

• 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

• 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