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A storm surge watch would be issued when a life-threatening storm surge, associated with a potential or ongoing tropical, subtropical or post-tropical cyclone, is possible within the next 48 hours. These watches would be upgraded to storm surge warnings when there is a danger of life-threatening storm surge occurring within 36 hours.
Hurricane watches are generally issued by the National Hurricane Center 48 hours before tropical-storm force winds are expected. A tropical storm or hurricane warning is when either of those ...
Tropical Storm Warnings may also be issued in association with a subtropical or post-tropical cyclone. [29] Tropical storm watch TRA – Tropical storm conditions (gale- and storm-force sustained winds of 34 to 63 knots [39 to 72 mph; 63 to 117 km/h]) are possible within the specified coastal or inland area within 48 hours in advance of the ...
Such events could lead to the weather service issuing tropical storm watches or warnings — which means “tropical storm conditions (sustained winds of 39 to 73 mph) are possible within the ...
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 ...
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At the start of the 2017 season, the NHC changed their internal policy to allow advisories and thus tropical cyclone watches and warnings to be issued for tropical disturbances that do not yet satisfy the definition of a tropical cyclone, but have a high chance at becoming one, and pose the threat of tropical storm-force winds to landmasses ...
In the graphic, a photo of sugar symbolizes a sweet tea watch, meaning that conditions for making the drink are favorable. But the warning shows a full glass of sweet tea, indicating that the ...