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For example: 50 km/h winds following an ice storm which could cause structural wind damage. A generic weather warning may also be issued for situations where the event is not expected to reach warning criteria values, but there is a special reason for the warning. For example: the first event of the season, or an off-season event.
Apr 18, 2019 · First a watch is issued, and this is followed by upgrading those watches to warnings as the storms or tornadoes develop. Thus, a severe thunderstorm watch could be in effect for much of the day ...
A warning means weather conditions pose a threat to life or property. People in the path of the storm need to take protective action. An advisory is issued when a hazardous weather or hydrologic event is occurring, imminent or likely. Advisories are for less serious conditions than warnings, that cause significant inconvenience and if caution ...
Storm warning flag (US) At sea, a storm warning is a warning issued by the National Weather Service of the United States when winds between 48 knots (89 km/h, 55 mph) and 63 knots (117 km/h, 73 mph) are occurring or predicted to occur soon. The winds must not be associated with a tropical cyclone. [ 1 ]
Mar 11, 2021 · Tornado watch. A tornado watch is issued by the Storm Prediction Center. It means that conditions are favorable for a potential tornado. “This highlights an area and usually alerts for the next ...
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Severe Thunderstorm Warning: Take Action! Severe weather has been reported by spotters or indicated by radar. Warnings indicate imminent danger to life and property. Take shelter in a substantial building. Get out of mobile homes that can blow over in high winds. Warnings typically encompass a much smaller area (around the size of a city or ...
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Aug 26, 2015 · A tornado. This is an example of a severe thunderstorm watch area. A severe thunderstorm watch means that atmospheric conditions are favorable for severe thunderstorm development. The severe ...
