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The National Weather Service issues a similar high wind warning (Specific Area Message Encoding code: HWW) for high winds on land. The criteria vary from place to place; however, in most cases, the warning applies to winds of 40 miles per hour (64 km/h) to 73 miles per hour (117 km/h) for at least 1 hour; or any gusts of 58 miles per hour (93 km/h) to 114 miles per hour (183 km/h) on land.
The last group includes three Beaufort numbers, 14–16. The actual alerts can be categorized into three classes: maritime wind warnings, land wind warnings, and tropical cyclone warnings. Advisory-force and gale-force winds will not trigger a separate wind advisory or warning if a Blizzard warning is already in effect.
The insignia that denotes a small craft advisory is one red, triangular flag (two such flags, one placed above the other, signify a gale warning). Inland, this advisory is known as a wind advisory . A lake wind advisory is issued for winds just below this range, because unobstructed winds across the open waters of a lake are normally faster ...
Warning pennant Warning flag. A single red pennant was shown from the top of the tower as a small craft advisory; for a gale warning, two such pennants were used. Two square flags, red with a black square at center, indicate an approaching hurricane or winds >73 MPH. One such flag warns of storm-force winds or an approaching tropical storm.
A gale is a strong wind; the word is typically used as a descriptor in nautical contexts. The U.S. National Weather Service defines a gale as sustained surface wind moving at a speed between 34 and 47 knots (63.0 and 87.0 km/h; 17.5 and 24.2 m/s; 39.1 and 54.1 mph). [1] Forecasters typically issue gale warnings when winds of this strength are ...
The latest red flag warning will be in effect beginning at 11 p.m. Thursday for the majority of the Sacramento Valley and foothills, as well as the upper San Joaquin Valley, forecasters warned ...
Red flag warnings were active in several states across the central U.S. on Tuesday as forecasters say possible record-setting temperatures and high winds ahead of a cold front elevate the risk of ...
Red flag warnings are usually only issued during the spring and fall fire weather seasons, from Feb. 15 to April 30 and from Oct. 1 to Dec. 15, says the National Weather Service.