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First Alert Forecast: tropical moisture yields tropical downpours mid-week

Published: Sep. 14, 2021 at 5:14 AM CDT|Updated: Sep. 14, 2021 at 1:04 PM CDT
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TUESDAY: Gradually through the day, chances for rain and storms will also increase as the rain impacts from Nicholas spread eastward. Highs will top in the 70s south, 80s north. Winds could also turn a bit breezy at times; gusting to 30-35 mph at times, mainly in southwest Mississippi tonight. Rain bands from Nicholas will continue to rotate in overnight with heavy rain at times. A rogue spin-up tornado can’t be ruled out, but the risk remains low. Rainfall amounts of 1-3″ possible through the day.

WEDNESDAY: Nicholas will continue to make its presence known over the state as it sluggishly shift eastward. Expect periods of rain and storms to continue to rotate over the area. Rain could continue to come down quick, fast and in a hurry in areas south of I-20 where an additional 1-2″ of rain could be possible. Expect clouds to hold firm with highs in the upper 70s to lower 80s. Rain coverage will decrease a bit into the overnight hours with lows in the lower 70s.

EXTENDED FORECAST: Even through Nicholas’ circulation will fall apart over the area – the remnant moisture will hang around through the next several days. This will keep things muggy with highs trending back toward the middle to upper 80s with a daily risk for showers and storms amid a mix of clouds and sun. A drier air-mass is about 10-12 days away from moving toward the region.

TALKIN’ TROPICS: Nicholas continues to slowly trek northeastward near I-10 in Texas, spreading rain and wind farther north through Louisiana and Mississippi. Locally, periods of rain will continue tonight through much of Wednesday before coverage tapers off as the storm winds down. Heavy rain, gusty breezes and a spin-up tornado or two can’t be ruled out. Elsewhere in the Atlantic, two other disturbances – one off the Bahamas has a ‘medium’ chance for development off the southeast coast and the other featuring a ‘high’ chance of development coming off western Africa.

Patrick Ellis

WLBT/FOX 40 First Alert Meteorologist

Facebook, Twitter, Instagram: @PatrickEllisWx

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