MADIS Surface Variables - MARITIME
Numeric
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Code Name Units Max Notes Database
QC Level* FSL AWIPS
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TD dewpoint temperature K 3 1,6 X X
RH relative humidity % 3 1,6 X X
Q specific humidity kg/kg 3 1,6 X X
DPD dewpoint depression K 3 1,6 X X
AH absolute humidity g/(m**3) 3 1,6 X X
ALTSE altimeter Pa 3 2 X X
WVMR water vapor mixing ratio kg/kg 3 1,6 X X
PT3 3 hour pressure change Pa 2 3 X X
PT3CHR character of 3h pressure change code 0 3 X X
SLP sea level pressure Pa 3 X X
P station pressure Pa 3 2 X X
T air temperature K 3 4 X X
TV virtual temperature K 3 4,6 X X
DD wind direction deg 3 5 X X
FF wind speed m/s 3 5 X X
U u wind component m/s 3 5 X X
V v wind component m/s 3 5 X X
VIS visibility m 1 X X
ELEV elevation m 0 X X
LAT latitude deg N 0 X X
LON longitude deg E 0 X X
PLATTYP data platform type code 0 6 X X
PLATDIR platform true direction deg 0 X X
PLATSPD platform true speed m/s 0 X X
PCP1H accumulated precip - 1h m 1 7,6 X X
PCP6H accumulated precip - 6h m 1 X X
PCP12H accumulated precip - 12h m 1 X X
PCP18H accumulated precip - 18h m 1 X X
PCP24H accumulated precip - 24h m 1 6 X X
PCPRATE precipitation rate kg/(m**2)/s 1 7 X X
LCLHT height of the lowest cloud layer code 0 11 X X
LLCTYPE low level cloud type code 0 12 X X
MLCTYPE middle level cloud type code 0 13 X X
HLCTYPE high level cloud type code 0 14 X X
CLDFRAC fraction of sky covered by clouds tenths 0 X X
FFGUST wind gust m/s 1 6 X X
DDMAX maximum wind direction deg 0 X
FFMAX maximum wind speed m/s 0 X
PSWDIR direction of primary swell waves deg 0 X X
PSWHT primary swell wave height m 0 X X
PSWPER primary swell wave period s 0 X X
SSWDIR direction of secondary swell waves deg 0 X X
SSWHT secondary swell wave height m 0 X X
SSWPER secondary swell wave period s 0 X X
SST sea surface temperature K 2 X X
TIDEDEP tide departure from predicted level m 0 X
TIDEIND tide indicator code 0 15 X
WAVEHT wave height m 0 X X
WAVEPER wave period s 0 X X
WAVESTP wave steepness 0 X
WWVEPER wind wave period s 0 X
WWVEHT wind wave height m 0 X
HRWVEHT high resolution wave height m 0 X X
EQFF10M equivalent wind speed at 10 m m/s 0 X X
EQFF20M equivalent wind speed at 20 m m/s 0 X X
TWB wet bulb temperature K 0 X X
Character
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Code Name Character Notes Database
Size FSL AWIPS
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PRESWEA present weather 25 20 X X
*The AWIPS database only has QC available for the MESONET dataset.
Last updated 15 March 2017
