Data field · Event

Forecast advisory number

The sequential advisory number identifying a tropical-cyclone forecast issuance.

Who carries it ↓

1Data sources

1Providers

1Free to access

Sources that carry it

1 source

NOAA National Weather Service

NHC Tropical Cyclone Advisory GIS Archive

Standing archive of NHC/CPHC advisory forecast track, cone-of-uncertainty and watches/warnings bundles, with related wind-field files, published as downloadable shapefile/KML packages by storm and advisory. This Source preserves forecast-at-issuance evidence and is distinct from final HURDAT2 post-analysis. Geometry remains in source files and is not flattened into speculative scalar Features.

Free Full file Unknown 12 fields

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