Radar — NEXRAD KGYX, a 10-meter WSR-88D dish in
Gray, ME,
sweeping a full volume of atmosphere every ~5 minutes; delivered in the
national composite maintained by Iowa State University's Environmental
Mesonet.
Storm simulation — NOAA's HRRR, a 3-km model that ingests this
radar every hour and simulates the next several, fetched run-by-run
from NCEP's NOMADS servers.
Global models — ECMWF IFS (Reading, England) · GFS
(NOAA, College Park) · ICON (Deutscher Wetterdienst, Offenbach)
· the human forecasters at NWS Gray, Maine.