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One more day of a heavy rain threat

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Posted at 4:50 PM, Sep 22, 2020
and last updated 2020-09-22 23:29:52-04

As the remnants of Tropical Depression Beta head toward Louisiana Wednesday, there remains a credible threat of locally heavy rainfall and several inches of rain possible in spots.

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Beta has begun its move to the east-northeast with the system (or there remnants thereof) are expected to advance right through Acadiana by Wednesday afternoon, but as a much lesser intensity disturbance...nonetheless the system could still be a rain-maker.

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While the tropical storm warnings have been dropped for the Acadiana Coast (including Vermilion and Cameron Parishes), there remains a Flash Flood Watch by the National Weather Service (NWS) for all of Acadiana through Wednesday evening.

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The NWS forecast specifically calls for a widespread risk of 4-8" of rain through Wednesday, while the latest models pretty much support 2-3" for most folks, with some areas receiving up to 6".

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There remains the chance that a few isolated areas may see up to 10" especially from Southwest Louisiana into the northwestern sections of Acadiana...so we can't let our guard down on the potential of flooding rains for at least another 24 hours.

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Tides along the entire Acadiana coast remain near 2-3 feet above normal as of late Tuesday afternoon. Tides are expected to stay elevated through Wednesday and until we get on the back side of the remnants of Beta Wednesday night.

Social media updates from Cypremort Point to Cameron, Louisiana continued to show water over Highway 82 as of Tuesday....making it tough and delaying Hurricane Laura recovery. Conditions here will improve Thursday into the weekend.

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Locally inland, surface winds will stay breezy in the 10-20 mph range with gusts higher, especially in and near any more persistent rain bands.

Rain chance for inland portions of Acadiana should stay in the 70-90% range through Wednesday evening/night but should lower near 40% or less Thursday as drier more stable air begins to work its way into the areas from the northwest into Friday.

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Look for partly sunny skies and pleasant weather to return Friday followed by a favorable weekend forecast.

A healthy cool front is still expected to reach Acadiana early next week...temperatures are tentatively set to drop into the mid-upper 50s at night and mid-70s during the day by mid-next week.

The 10 Day forecast is looking mighty nice from the weekend and beyond, with true taste of fall possible in about a week's time!

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