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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 ...
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.
The immediate response by the Signal Corp was the creation of the hurricane warning flag, a pair of red flags ten by eight feet each in size, inset with black rectangles. Beginning on October 1, 1875, hurricane warning flags were hoisted in areas where hurricane warnings were in effect, and illuminated at night. [3]
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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 ...
Red flags fly on beaches due to dangerous rip currents and high surf. Here's how to stay out of harms way. Red Flag Warning: Don't Ignore this beach danger sign
Here’s what to know about the difference between the weather alerts.
Hurricane warning. Flaghoist signalling is one or more flags (or pennants) simultaneously flying from a fixed halyard, and generally any method of signaling by such means. Each of the flags has a distinct shape and color combination. Each flag or combination of flags has a preassigned meaning or "code".