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Aviation weather briefing service [6] Available at designated FSS's AWG American Wire Gage: The larger the size number, the smaller the wire diameter. AWIS Aviation weather information service [6] Available at FSS: AWO All weather operations AWOS Automated weather observation system [6] Automated METAR reporting system AWWS Aviation weather web ...
Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
The AWC is also responsible for aviation warnings, such as AIRMETs and SIGMETs, for the United States, including its overseas territories, and northern portions of the Atlantic and Pacific Oceans. [1] [2] It is finally the center that issues forecasts for the displacement of volcanic ash and forest fire smoke plumes for the same territories. [2]
The Federal Aviation Administration location identifier (FAA LID) is a three- to five-character alphanumeric code identifying aviation-related facilities inside the United States, though some codes are reserved for, and are managed by other entities.
ICAO codes are also used to identify other aviation facilities such as weather stations, international flight service stations or area control centers, whether or not they are located at airports. Flight information regions are also identified by a unique ICAO-code.
Area forecast divides the conterminous 48 states into 6 regions, with each region centered at: SFO, SLC, CHI, DFW, BOS, and MIA. An Aviation Area Forecast (FA or ARFOR) was a message product of the National Weather Service (NWS) in the United States. It has been replaced by Graphic Area Forecasts, or GFA, in 2017. [1]
North American countries continued to use a Surface Aviation Observation (SAO) for current weather conditions until 1 June 1996, when this report was replaced with an approved variant of the METAR agreed upon in a 1989 Geneva agreement. The WMO's publication No. 782 "Aerodrome Reports and Forecasts" contains the base METAR code as adopted by ...
In the United States, the weather forecasters responsible for the TAFs in their respective areas are located within one of the 122 Weather Forecast Offices operated by the United States' National Weather Service. In contrast, a trend type forecast (TTF), which is similar to a TAF, is always produced by a person on-site where the TTF applies.