The AWC, the AAWU, and WSFO Honolulu issue area forecasts for selected areas. ![]() Inflight aviation advisories (for example, Significant Meteorological Information ( SIGMETs) and Airmen's Meteorological Information ( AIRMETs)) are issued by three NWS Meteorological Watch Offices (MWOs) the Aviation Weather Center (AWC) in Kansas City, MO, the Alaska Aviation Weather Unit (AAWU) in Anchorage, AK, and the Weather Service Forecast Office (WFO) in Honolulu, HI. These forecasts are valid for 24 or 30 hours and amended as required. Terminal Aerodrome Forecasts (TAF) are prepared by 123 NWS Weather Forecast Offices (WFOs) for over 700 airports. The NWS maintains an extensive surface, upper air, and radar weather observing program and a nationwide aviation weather forecasting service.Īirport observations (METAR and SPECI) supported by the NWS are provided by automated observing systems. These meteorologists provide specialized briefings as well as tailored forecasts to support the needs of the FAA and other users of the NAS. NWS meteorologists are assigned to all air route traffic control centers ( ARTCC) as part of the Center Weather Service Units (CWSU) as well as the Air Traffic Control System Command Center ( ATCSCC). Requirements for all aviation weather products originate from the FAA, which is the Meteorological Authority for the U.S. Weather service to aviation is a joint effort of the National Oceanic and Atmospheric Administration (NOAA), the National Weather Service (NWS), the Federal Aviation Administration (FAA), Department of Defense, and various private sector aviation weather service providers.
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