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Stormy Wednesday; locally heavy rainfall

Posted at 5:36 PM, Jun 23, 2020
and last updated 2020-06-23 23:37:14-04

There will be a high chance of showers and storm for Acadiana Wednesday with some storms capable of producing strong and gusty winds, and torrential downpours.

The combination of deep tropical moisture entrenched across the area with a slow moving upper disturbance just to our west will make for an excellent chance of several rounds of storms Wednesday.

Most areas of Acadiana will see a fairly decent soaking of an inch or two, while some isolated spots may see accumulations of up to 3-6" where storms repeat over the same area, which could lead to some localized flooding issues.

Tuesday afternoon, Abbeville received 4" of rain in roughly 2 hours leading to street flooding...similar conditions will repeat themselves (hopefully in other areas) Wednesday.
Rain chances Wednesday will be near 90%.

And in addition to the torrential downpours and frequent lightning, some stronger storms may be capable of producing damaging winds and perhaps, some small hail.
The Storm Prediction Center has our area hatched in for a marginal risk (level 1 out of 5) of severe storms Wednesday.

But wait there's more...the chance of showers and storms will likely stay elevated Wednesday night into Thursday as the aforementioned disturbance drifts across our area.
Activity into Thursday afternoon will become more scattered in nature as African dust begins to filter into the region.

By Friday rain chances should be suppressed down to 20-30% and stay in the 30-40% range this weekend under very hazy skies thanks to the expected arrival of African Dust.

Speaking of the African Dust, while it continued to cross the Caribbean Tuesday, it is expected to head toward the Gulf Wednesday/Thursday with another surge of dust has come off of the African Coast.

These events are normal for this time of year, but the dust thicknesses are on the higher end of what's normally observed.

It should be noted that while dust reduces thunderstorm & tropical activity, the dust should lessen into August/September with wetter than normal conditions expected for portions of the African West Coast this summer.

Meanwhile looking at Acadiana's weekend forecast for the weekend, it will include dusty/hazy skies with the risk of scattered afternoon storms, which could leave dust residue on vehicles etc, so be on the lookout for that!

Most of the dust will clear the area early next week, leaving Acadiana with some bluer skies but still the chance of scattered afternoon showers and storms on any give day...see the latest 10 day forecast for the details.

Meanwhile in the tropics, thanks to the dust, all is relatively quiet, but a very weak and marginal tropical storm, Dolly, well off the New England Coast, will likely degenerate to a weak low Wednesday...so it will be goodbye Dolly, and see your name again in six years.

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