Show pageOld revisionsBacklinksODT exportBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== 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: 2022-05-31 09:23:14(external edit)