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A Small Craft Advisory may also be issued when sea or lake ice exists that could be hazardous to small boats. [1] 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.
Small craft advisory for hazardous seas SCAH – An advisory to mariners of wave or sea conditions that are potentially hazardous to small boats because of wave height, wave period, steepness, or swell direction, even if wind speeds are expected to fall below locally defined small craft advisory criteria. Only issued by WFOs in coastal regions ...
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 National Weather Service issued a small craft advisory for the Couverden Point area until midnight Sunday, warning winds could still gust over 50 mph and cause choppy waves.
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 ...
In the United States of America, winds of force 6 or 7 result in the issuance of a small craft advisory, with force 8 or 9 winds bringing about a gale warning, force 10 or 11 a storm warning ("a tropical storm warning" being issued instead of the latter two if the winds relate to a tropical cyclone), and force 12 a hurricane-force wind warning ...
The warning and a wind advisory are in place from 7 a.m. to 8 p.m. for Sunday, March 24, because of strong winds, blowing dust and low visibility due to a windstorm in El Paso and parts of ...
Mar. 5—The National Weather Service has issued a wind advisory for portions of Maui County and Hawaii island, effective until 6 p.m. today. Forecasters say northeast winds of 20 to 30 mph, with ...