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  MADIS Radiosonde Variables

MADIS Radiosonde Variables


Numeric

-------------------------------------------------------------------------------------------
Code       Name               Max Number       Units      Max          Notes      Database  
                               of Levels               QC Level*                 FSL  AWIPS 
-------------------------------------------------------------------------------------------


Integrated Sounding              405                    Sig   Man        1      
-------------------                                     ---   ---

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            
----------------

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           
------------------

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        
-----------

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             
-------------------

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             
-----------------

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
----------------------

SONDET    sonde type                           code      0               7        X

Character

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Code       Name                                Character               Notes
                                               Size
------------------------------------------------------------------------------------------- 
RELTIME   release time                         9                         8        X


*The QC information is only available with the FSL database.


Last updated 16 March 2017