8/4 – Rob Knight’s Wet Friday Forecast

The greatest area of lift yesterday in the N’tern GOM has shifted further north today and is now extending along the I-10 corridor from Baton Rouge across Lake Pontchartrain to the Mississippi Gulf Coast. As a result, expect to see the highest rain chances for points along the I-10 corridor through the day. Main concern will once again be locally heavy rainfall of 1 to 3 inches. In the areas of heavy rainfall, one hour rainfall totals will approach flash flood guidance, so a concern for localized urban street flooding issues will exist. A FLASH FLOOD WATCH/WARNING should be issued later today.

Lingering activity will persist through tonight but the loss of daytime heating will keep minimal activity during the overnight hours. Heading into tomorrow, it looks like activity will continue to push northward and also weaken as it moves inland. Little change is expected Saturday night with scattered activity lingering into the evening hours and then becoming more isolated overnight as temperatures cool back into the 70s and instability values drop off. Expect to see a fairly typical August day on Sunday as the influence of a strong Bermuda high pressure system extends westward across the eastern Gulf of Mexico.

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