MADIS Radiosonde Variables
Numeric
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Code Name Max Number Units Max Notes Database
of Levels QC Level* FSL AWIPS
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Integrated Sounding 405 Sig Man 1
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DD wind direction deg 1 2 2 X X
FF wind speed m/s 1 2 2 X X
U u wind component m/s 1 2 2 X X
V v wind component m/s 1 2 2 X X
T air temperature K 2 2 3,4 X X
TV virtual temperature K 2 2 3,4 X X
TD dewpoint temperature K 1 1 5 X X
RH relative humidity % 1 1 5 X X
Q specific humidity kg/kg 1 1 5 X X
DPD dewpoint depression K 1 1 5 X X
AH absolute humidity g/(m**3) 1 1 5 X X
WVMR water vapor mixing ratio kg/kg 1 1 5 X X
P pressure Pa 1 1 X X
HT geopotential height m 1 2 3 X X
LEVTYPE level type code 0 0 6 X X
Mandatory Levels 22 1
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DDMAN wind direction deg 2 2 X X
FFMAN wind speed m/s 2 2 X X
UMAN u wind component m/s 2 2 X X
VMAN v wind component m/s 2 2 X X
TMAN air temperature K 2 3,4 X X
TVMAN virtual temperature K 2 3,4 X X
TDMAN dewpoint temperature K 1 5 X X
RHMAN relative humidity % 1 5 X X
QMAN specific humidity kg/kg 1 5 X X
DPDMAN dewpoint depression K 1 5 X X
AHMAN absolute humidity g/(m**3) 1 5 X X
WVMRMAN water vapor mixing ratio kg/kg 1 5 X X
PMAN pressure Pa 1 X X
HTMAN geopotential height m 2 3 X X
Significant Levels 175 1
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TSIG air temperature K 2 4 X X
TVSIG virtual temperature K 2 4 X X
TDSIG dewpoint temperature K 1 5 X X
RHSIG relative humidity % 1 5 X X
QSIG specific humidity kg/kg 1 5 X X
DPDSIG dewpoint depression K 1 5 X X
AHSIG absolute humidity g/(m**3) 1 5 X X
WVMRSIG water vapor mixing ratio kg/kg 1 5 X X
PSIG pressure Pa 1 X X
HTSIG geopotential height m 1 1 X X
Wind Levels 200 1
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DDWIND wind direction deg 1 2 X X
FFWIND wind speed m/s 1 2 X X
UWIND u wind component m/s 1 2 X X
VWIND v wind component m/s 1 2 X X
PWIND pressure Pa 1 1 X X
HTWIND geopotential height m 1 X X
Maximum Wind Levels 4 1
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DDMXWND wind direction deg 1 2 X X
FFMXWND wind speed m/s 1 2 X X
UMXWND u wind component m/s 1 2 X X
VMXWND v wind component m/s 1 2 X X
PMXWND pressure Pa 1 X X
HTMXWND geopotential height m 1 1 X X
Tropopause Levels 4 1
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DDTROP wind direction deg 1 2 X X
FFTROP wind speed m/s 1 2 X X
UTROP u wind component m/s 1 2 X X
VTROP v wind component m/s 1 2 X X
TTROP air temperature K 2 4 X X
TVTROP virtual temperature K 2 4 X X
TDTROP dewpoint temperature K 1 5 X X
RHTROP relative humidity % 1 5 X X
QTROP specific humidity kg/kg 1 5 X X
DPDTROP dewpoint depression K 1 5 X X
AHTROP absolute humidity g/(m**3) 1 5 X X
WVMRTROP water vapor mixing ratio kg/kg 1 5 X X
PTROP pressure Pa 1 X X
HTTROP geopotential height m 1 1 X X
Station Identification
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SONDET sonde type code 0 7 X
Character
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Code Name Character Notes
Size
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RELTIME release time 9 8 X
*The QC information is only available with the FSL database.
Last updated 16 March 2017
