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

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 ???????????

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