Plain English Meaning
The U.S. government agency that produces the country's official weather information, including the forecasts and reports pilots rely on before and during a flight.
Full Definition
A United States federal agency, part of the National Oceanic and Atmospheric Administration (NOAA), responsible for providing official weather forecasts, warnings, and meteorological data — including the aviation weather products pilots use for flight planning and en route decisions.
Context Anchor
Pilots encounter the National Weather Service when checking weather before a flight, reviewing official weather reports, or monitoring hazardous weather information that may affect a route or airport.