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The categorical forecast in the Day 1-3 Convective Outlooks—which estimates a severe weather event occurring within 25 miles (40 km) of a point and derives the attendant risk areas from probability forecasts of tornadoes, damaging winds, and large hail on Days 1 and 2, and a combined severe weather risk on Day 3—specifies the level of ...
In weather forecasting in the United States, "particularly dangerous situation" (PDS) is enhanced wording used by the National Weather Service to convey special urgency in some watch or warning messages for unusually extreme and life-threatening severe weather events, above and beyond the average severity for the type of event. It is used in ...
A severe thunderstorm watch, like a tornado watch, is not to be confused with a warning. A watch encourages the public to remain vigilant—to be on the watch, so to speak—for the later onset of severe weather. An area under a watch may even experience deceptively fair weather with few clouds before thunderstorms develop.
The National Weather Service shares alerts as it warns of potential risks from thunderstorms, flooding, tornadoes and other dangers. But when forecasters issue a watch or a warning for a specific ...
A severe thunderstorm watch means storms that meet the criteria “are possible in and near the watch area.” “It does not mean that they will occur. It only means they are possible,” the ...
Here's what to know about the differences between a severe weather watch or warning from the National Weather Service.
In National Weather Service (NWS) terminology, a Hazardous Weather Outlook is a weather statement issued to provide information of potential severe weather events within the next seven days. The outlook may include information about potential severe thunderstorms , heavy rain or flooding , winter weather, extremes temperatures.
For many Central states, the overall risk of severe weather will be less intense over the next several days. However, it only takes one violent thunderstorm or tornado to strike a populated area ...