Understanding NHC Products
NHC puts out a whole family of products during a storm — advisories, the forecaster's discussion, the cone, surge and wind graphics, and the 2- and 7-day outlook before a storm even forms. Here's what each one is for and how to use them together.
During a storm, the National Hurricane Center puts out a whole family of products — advisories, discussions, graphics, probabilities. Each answers a different question. Knowing which is which means you spend less time confused and more time prepared. The core text products Public Advisory — the plain-language headline: where the storm is, how strong, where it's headed, and the watches and warnings in effect. Start here. Full advisories come out every 6 hours, with intermediate updates every 3 hours once coastal watches or warnings are in effect (plus a brief Tropical Cyclone Update whenever t…
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