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Hybrid Single Particle Langrangian
Integrated Trajectory (HYSPLIT) Products

Updated: 02/14/2019

HYSPLIT data
Smoke data


    * HYSPLIT Documentation

  CC is the model cycle runtime (i.e. 00, 06, 12, 18)
  xxx is the forecast hour (i.e. 192)

  Click on the links under Inventory to see the file's contents.


DESCRIPTION NCEP FTP SERVER
File Name
NWS FTP SERVER
File Name
HYSPLIT - NAM
NAM forecast and analysis
runs 12Z, 18Z, 00Z & 06Z

  WCOSS Filename Inventory
Analysis hysplit.tCCz.nama  
Forecast hysplit.tCCz.namf  
Alaska Forecast hysplit.tCCz.namakf  
Conus Forecast hysplit.tCCz.namsf  
Conus Nest Forecast hysplit.tCCz.namsfFF.CONUS  
Hawaii Nest Forecast hysplit.tCCz.namsf.HI  
Alaska Nest Forecast hysplit.tCCz.namsf.AK  
Fire Weather Nest Forecast hysplit.tCCz.namsf.FW  
Available in ARL format via FTP
Available in ARL format via HTTPS
Not Available
HYSPLIT - GFS
GFS forecast and analysis
runs 12Z, 18Z, 00Z & 06Z

  WCOSS Filename Inventory
Analysis hysplit.tCCz.gfsa  
1 deg Forecast hysplit.tCCz.gfsf  
0.5 deg Forecast hysplit.tCCz.gfs0p25f0## (for 00,24,48,72)  
2.5 deg Long Range Forecast hysplit.tCCz.gfslrf  
Available in ARL format via FTP
Available in ARL format via HTTPS
Not Available
HYSPLIT - GDAS
GDAS1 forecast
runs 12Z, 18Z, 00Z & 06Z

  WCOSS Filename Inventory
Forecast hysplit.tCCz.gdas1f  
Available in ARL format via FTP
Available in ARL format via HTTPS
Not Available
GDAS1 Model Output
  WCOSS Filename Inventory
Most Recent current7days  
Weekly gdas1.mmyy.w#
Available in ARL format via FTP
Available in ARL format via HTTPS
Not Available
HYSPLIT - HRRR
HRRR forecast
runs 00Z-23Z hourly
  WCOSS Filename Inventory
Forecast hysplit.tCCz.hrrrf## Where ## is 00,06,12,18 
Available in ARL format via FTP
Available in ARL format via HTTPS
Not Available
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      * HYSPLIT Volcanic Ash Trajectory Documentation

DESCRIPTION NCEP FTP SERVER
File Name
NWS FTP SERVER
File Name
Volcanic Ash Trajectories
Volcanic Ash
On-Demand
  WCOSS Filename Inventory
GIF hysplit.CCz.traj.volc[N|NN].fHHH.gif
KMZ hysplit.CCz.traj.volc[N|NN].fHHH.kmz
TXT hysplit.CCz.traj.volc[N|NN].fHHH.txt
Available via FTP
Available via HTTPS
Not Available
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    * HYSPLIT Smoke Documentation

DESCRIPTIONNCEP FTP SERVER
File Name
NWS FTP SERVER
File Name
Smoke CONUS - Grid 227 5km
Hourly Average Concentration
run at 6Z
  WCOSS Filename Inventory
Planetary Boundary Layer smoke.tCCz.grib2_pbl.1hr_227 FH 0-48
Surface smoke.tCCz.grib2_sfc.1hr_227 FH 0-48
Available in GRIB2 via FTP
Available in GRIB2 via HTTPS
Not Available
Smoke Hawaii grid 196 2.5km
Hourly Average Concentration
run at 6Z
  WCOSS Filename Inventory
Planetary Boundary Layer smokehi.tCCz.grib2hi_pbl.1hr_196 FH 0-48
Surface smokehi.tCCz.grib2hi_sfc.1hr_196 FH 0-48
Available in GRIB2 via FTP
Available in GRIB2 via HTTPS
Not Available
Smoke Alaska grid 198 5km
Hourly Average Concentration
run at 6Z
  WCOSS Filename Inventory
Planetary Boundary Layer smokeak.tCCz.grib2ak_pbl.1hr_198 FH 0-48
Surface smokeak.tCCz.grib2ak_sfc.1hr_198 FH 0-48
Available in GRIB2 via FTP
Available in GRIB2 via HTTPS
Not Available
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*Inventory Disclaimer*
Actual Parameters may Differ from Those Listed


Page last modified: 03 November 2022.