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Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Overview

After a stretch of relatively dry and mild conditions, a strong low pressure system impacted the Great Lakes bringing the return of winter conditions.  Near-record high temperatures were met with rare December thunderstorms as the low pressure system rapidly strengthened as it approached the area. As the storm passed by, high winds with gusts over 60 MPH lead to sporadic power outages and heavy lake effect snow across the west and northwestern snow belts. A hurricane-force wind gust of 75 MPH was also measured at the Stannard Rock Lighthouse on Lake Superior. 

Image
Water vapor (shaded), pressure (black lines) and lightning (black and white symbols) at 6:00 PM EST 12/4.  

 

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