This tropical system is no longer expected to strengthen into a tropical storm by the time it comes on shore in South Carolina on Monday afternoon or evening -- but it will still bring tropical storm conditions, including heavy rain and gusty winds.

Historic rain has fallen across Carolina Beach, Southport, and BSL today. Volunteer gauges have recorded over a foot of rain since midnight. NOAA Atlas 14 shows 12\"/12 hr occurs, on average, once every 200 years. 18\"/12hr is once every 1000 years! https://t.co/5FkZJW0670 #ncwx pic.twitter.com/7un9eLwQvD

— NWS Wilmington, NC (@NWSWilmingtonNC) September 16, 2024

Roads are flooded at least 3 feet deep in parts of Carolina Beach. No cars or trucks are designed to safely travel in floodwater this deep. Please stay off the roads. #ncwx
(Photo from Ashely MacBride in Carolina Beach) pic.twitter.com/CbwLbsqc2E

— NWS Wilmington, NC (@NWSWilmingtonNC) September 16, 2024

Parts of South Carolina and nearly all of North Carolina are under elevated flood threats. Wilmington, North Carolina, is in the bull's-eye for the worst of the flooding.

\"PHOTO:
ABC News Illustration
PHOTO: Flash flood threat Monday and Tuesday.
>

The storm will weaken as it moves inland across the Carolinas through Monday night.

On Tuesday, scattered rain will reach the Mid-Atlantic, possibly including Washington, D.C., and Philadelphia.

The storm will dissipate Tuesday or early Wednesday.

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