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Gridded Forecast Meteorological DataMany of the HYSPLIT-compatible forecast data files are now available directly from NOAA NCEP. The root ftp directory is located at: ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/hysplit/prod/ NAM 12 kmThe NAM model contains forecast data every 3 hours from forecast hours 0 to 48 on a 12 km 614 x 428 grid covering the United States and Southern Canada. Domain map of NAM 12 km.
NAM 40 kmThe NAM model contains forecast data every 3 hours from forecast hours 0 to 84 on a 40 km 185 x 129 grid covering the United States and Southern Canada. Domain map of NAM 40 km.
NAM Alaska 45 kmThe NAM model contains forecast data every 3 hours from forecast hours 0 to 36 on a 45 km 139 x 107 grid covering northwestern North America and eastern Russia. Domain map of NAM Alaska.
More Information RUC 20 kmThe RUC model contains forecast data every hour from forecast hours 0 to 12 on a 20 km 301 x 225 grid covering the United States and Southern Canada. Domain map for RUC 20 km.
GFS ModelThe Global Forecasting System or GFS (formerly called the Aviation Model) contains forecast data every 3 hours from forecast hours 0 to 84 on a 1 degree latitude/longitude grid covering the globe. In addition, we map this data to northern and southern hemispheric 257 x 257 grids for use by programs other than HYSPLIT. The model data is updated 4 times per day. Northern hemisphere domain map. Southern hemisphere domain map.
GFSx ModelThe Global Forecasting System or GFSx (we denote this longer forecast GFS dataset with an x) contains forecast data every 6 hours from forecast hours 0 to 180 on a 1 degree latitude/longitude grid covering the globe. In addition, we map this data to northern and southern hemispheric 257 x 257 grids for use by programs other than HYSPLIT. The model data is updated 4 times per day. Northern hemisphere domain map. Southern hemisphere domain map.
GFSlr ModelThe Global Forecasting System or GFSlr (we denote this very long forecast GFS dataset with lr) contains forecast data every 12 hours from forecast hours 192 to 384 on a 2.5 degree latitude/longitude grid covering the globe. In addition, we map this data to northern and southern hemispheric 129 x 129 grids for use by programs other than HYSPLIT. The model data is updated 4 times per day. Northern hemisphere domain map. Southern hemisphere domain map.
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