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Tropical cyclone warnings and watches are alerts issued by national weather forecasting bodies to coastal areas threatened by the imminent approach of a tropical cyclone of tropical storm or hurricane intensity. They are notices to the local population and civil authorities to make appropriate preparation for the cyclone, including evacuation ...
The same flag as a storm warning is used to indicate a tropical storm warning. On land, the National Weather Service issues a 'high wind warning' (Specific Area Message Encoding code: HWW) for storm-force winds, which also encompasses the lesser gale-force and greater hurricane force winds. In most cases, the warning applies to winds of 40-114 ...
Tropical storm warning flag used in the United States. The timing and naming of tropical cyclone advisories, watches, and warnings have changed over time. In 1958, tropical cyclone advisories were issued every six hours starting at 04:00 UTC each day. During 1967, hurricane watches were used to designate areas where hurricane conditions were ...
A litany of tropical storm watches and warnings are in effect for portions of the Florida Gulf Coast Wednesday as Helene officially strengthened into a hurricane, according to the National ...
Tropical Storm Isaac was located about 515 miles north-northwest of the Azores on Monday morning, and a turn toward the northwest at a similar forward speed is expected on Tuesday, the center said
A Tropical Storm Watch has been issued for the Gulf Coast of Florida from Indian Pass to the Walton/Bay County Line and from north of Bonita Beach to south of Englewood, in addition to the Middle ...
The National Weather Service issues a storm warning for higher winds of 48 knots (89 km/h; 55 mph) to 63 knots (117 km/h; 72 mph) at sea. In the event of a tropical cyclone, however, a tropical storm warning replaces both the gale warning and the storm warning. In this type of situation, the storm warning maritime flag is also used in lieu of ...
A tropical storm watch was issued for northeastern Nicaragua and a tropical storm warning and hurricane watch were issued for Honduras. Potential Tropical Cyclone was upgraded to Tropical ...