Plain English Meaning

Official weather predictions written for pilots, telling you what the weather is expected to do at airports and along your route during a specific future time window.

Full Definition

Predictive weather products issued by the National Weather Service specifically for aviation use, describing expected weather conditions at airports, along routes, and within defined regions over a stated future time period. Common aviation forecasts include the Terminal Aerodrome Forecast (TAF), Aviation Area Forecast, Inflight Aviation Weather Advisories (AIRMET, SIGMET, Convective SIGMET), and Winds and Temperatures Aloft Forecast.