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PDS Special marine warnings are issued by the National Weather Service to inform mariners of weather conditions that present a considerable threat to life and property. On April 19, 2018, the Baltimore/Washington, D.C. forecast office upgraded a special marine warning to PDS status as a gust front approached Chesapeake Bay. [11]
A special marine warning (SAME code SMW) is a warning issued by the U.S. National Weather Service for potentially hazardous marine weather conditions usually of short duration (up to 2 hours) producing sustained marine thunderstorm winds or associated gusts of 34 knots or greater; or hail 3/4 inch or more in diameter; or waterspouts affecting areas included in a coastal waters forecast, a ...
Particularly dangerous situation special marine warning SMW – A warning to mariners of hazardous weather conditions that present a considerable threat to life and property. Small craft advisory SCA – A warning to mariners of high sustained winds or frequent gusts and/or significant sea or wave heights that may damage or capsize small boats ...
The weather service put out a special marine warning Wednesday morning of high waves and possible waterspouts. The warning was in effect until 12:15, though thunderstorms over the southern half of ...
Now, the NWS has issued another PDS red flag warning that between 4 a.m. local time this Tuesday and noon on Wednesday dangerous so-called Santa Ana winds are coming back, albeit weaker than last ...
Today, meteorologists have better tools to predict catastrophic weather outbreaks than they had in the 1970s and 1980s and forecasters can more reliably issue severe warnings, Howell said. The PDS term appeared in newspaper articles such as an April, 1, 1983 Associated Press story about a widespread storm system that caused a blinding dust ...
A strong Santa Ana wind event is setting up across Southern California. A rare Particularly Dangerous Situation (PDS) alert has been issued for Los Angeles and Ventura counties.
A Hazardous Seas Watch is issued by the National Weather Service of the United States when there is an increased threat of high wave heights and/or wave steepness values reach a certain criteria, but the occurrence, timing, and/or location are still uncertain, though the area of concern is known.