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GEMPAK: General Meteorological Package

GEMPAK: General Meteorological Package. GEMPAK: General Meteorological Package. Used in conjunction with AWIPS operationally (NWS, SPC, HPC, etc.) Uses gridded or observed data to create -Isobaric/isentropic/ isertelic plots of model and/or reanalysis data

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GEMPAK: General Meteorological Package

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  1. GEMPAK: General Meteorological Package

  2. GEMPAK: General Meteorological Package Used in conjunction with AWIPS operationally (NWS, SPC, HPC, etc.) Uses gridded or observed data to create -Isobaric/isentropic/isertelic plots of model and/or reanalysis data -Surface observations from METAR data -Upper air observations from RAOB data -Soundings from RAOB data or model data -Time-height sections -Radar -Satellite -Meteograms -and more… Can also create your own variables or vertical levels within a grid file

  3. GEMPAK: General Meteorological Package Web examples… Surface observations Upper air observations Soundings UAlbany WRF graphics (R. Lazear) Dynamic Tropopause / 2 panel maps (R. Lazear) Kyle Griffin’s GFS/Analyses Other variables used in synoptic and mesoscale analysis (J. Kenyon)

  4. GEMPAK: General Meteorological Package Where is the data? /data1/gempak : surface and upper air data /data1/gempak/hds (or $HDS/) : model data /data1/archive/gempak : archive back one year /data7/nmc2 : GEFS and various GFS/NAM grids /ncep/ncep_ncar : Reanalysis data 1948-current /gfs1/1deganl : 1-degree GFS analyses, 2004-current Web: Iowa State GEMPAK archive NOMADS server (NCDC) -Must use dcgrib to convert data from grib2 to gempak format (.gem) -Sample script: /share/ralazear/wget_cfsr.sc (H. Attard)

  5. GEMPAK: General Meteorological Package Now to take a look at the GEMPAK interface . . .

  6. GEMPAK: General Meteorological Package GEMPAK help is available! phelp -Works on any variable and GEMPAK program GEMPAK user manual

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