Thus, a CWA is similar to but more localized than Airmets and Sigmets issued by the Aviation Weather Center (AWC) in Kansas City, Missouri. The Center Weather Advisory (CWA) is a short-term warning of hazardous weather conditions provided to all aviation interests, including private pilots, towers, flight service stations, and commercial airlines. The Meteorological Impact Statement (MIS) is a 4 to 12 hour planning forecast of weather conditions expected to impact the air traffic. Point Forecast: Seattle-Tacoma International Airport WA 47.46N 122. Two types of written products are also provided by the CWSU meteorologists. Verbal briefings are given to individual controllers at the ARTCC and tower control facilities around the airspace, as well as to equipment technicians when weather conditions dictate. Additional precipitation date are contained in ' HOURLY. The MIS is a forecast product valid up to 12 hours describing areas of weather that may impact air traffic operations.ĬWSU meteorologists provide formal weather briefings to FAA supervisors within the Air Route Traffic Control Center (ARTCC) for the day and evening shifts. Seattle, Washington 98104, or to any Weather Service Office near you. The CWA is a short term advisory valid for two hours or less describing areas of hazardous weather in progress or forecast to develop. National products issued by the CWSU meteorologist include Center Weather Advisories (CWA) and Meteorological Impact Statements (MIS). Rerouting of aircraft around hazardous weather is based largely on forecasts provided by the CWSU meteorologist. Hover over or click station to get METAR and TAF (if available).Ĭenter Weather Service Unit Center Weather Service meteorologists provide weather support and consultation to FAA air traffic managers and controllers.
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