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TAFs are issued at least four times a day, every six hours, for major civil airfields: 0000, 0600, 1200 and 1800 UTC, [4] and generally apply to a 24- or 30-hour period, and an area within approximately five statute miles (8.0 km) (or 5 nautical miles (9.3 km) in Canada) from the center of an airport runway complex. TAFs are issued every three ...
Tropical storm warning TRW – Tropical storm conditions (gale- and storm-force sustained winds of 34 to 63 knots [39 to 72 mph; 63 to 117 km/h]) are expected within the specified coastal or inland area within 36 hours (24 hours for Guam, as locally defined by the NWS Forecast Office in Barrigada) in advance of the forecast onset of tropical ...
Aviation Area Forecast (FA or ARFOR) Also simply called an area forecast. A former message product of the U.S. National Weather Service issued to provide information to pilots and aviation routes about weather conditions across a large regional area within the United States. FAs were issued three times daily, valid for 18 hours, and covered an ...
Watches are issued 36 hours prior to a tropical cyclone making landfall. Warnings are issued 24 hours prior to the tropical cyclone making landfall. If sustained winds 70 km/h and/or gusts 90 km/h or stronger are predicted, a conventional wind warning will be issued along with the tropical cyclone watches and warnings.
Shipping Forecast by the composer Cecilia McDowall was commissioned by Portsmouth Festival Choir and conducted by Andrew Cleary. It was first performed in June 2011. [28] The work combines the poetry of Seán Street, Psalm 107, and the words of the shipping forecast itself. There is a three-bell change ringing method named "Shipping Forecast ...
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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 It has been replaced by Graphic Area Forecasts, or GFA, in 2017.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]
Why aren't politicians on both sides more worried than they seem to be?