Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

As of October 1, 2024, in conjunction with the NWS Hazard Simplification initiative, all wind chill and freeze products will be consolidated and changed nationwide.

Extreme Cold Watch and Wind Chill Watch will be consolidated into Extreme Cold Watch.

Extreme Cold Warning and Wind Chill Warning will be consolidated into Extreme Cold Warning.

Wind Chill Advisory will be replaced with Cold Weather Advisory.

Hard Freeze Watch and Freeze Watch will be consolidated into Freeze Watch.

Hard Freeze Warning and Freeze Warning will be consolidated into Freeze Warning.

Previously, Extreme Cold and Wind Chill products were based upon the wind chill and required a certain wind threshold. Starting October 1, 2024, these products will be issued based on the temperature or the wind chill, and there will be no wind threshold. In other words... wind or no wind, cold is cold! Please see the below images for the criteria for Cold Weather Advisory and Extreme Cold Warning.

Cold Weather Advisory

Extreme Cold Warning

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Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Cold Criteria & Frost/Freeze Changes in Effect October 1, 2024