Slide 3
Meteorological Data HYSPLIT requires at a minimum, u,v,w,T,P sfc, and H if on pressure surfaces in three dimensions (RH or Q are optional) Meteorological data are specially formatted to minimize execution time Compressed binary Fields are written at each level for one time period, then repeated as needed in time All forecast data currently available in HYSPLIT menus originates from NOAA’s National Centers for Environmental Prediction (NCEP) Forecast or Analysis Registration is required to run HYSPLIT dispersion with forecast data Data is available globally and regionally over North America & Hawaii PC HYSPLIT downloads data directly from the NOAA ARL ftp server; options are available to switch to other FTP servers (NCEP)NCEP Introduction 2-3 PC-HYSPLIT WORKSHOP