12/13 – Rob’s “Roller Coaster Ride” Wednesday Forecast

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In the wake of yesterdays cold front, it’s a FRIGID stat to the day…

A continental (Dry) air mass that’s already in place will be slow to modify. Temperatures today will not be much different from yesterday…still below normal. It’s not until Thursday, when temperatures will begin to warm in advance of a couple of cold front which will affect the area through the weekend.

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The first cold front will be moving through Friday morning as a somewhat weak upper trough swings across the Mississippi Valley. The sub-tropical jet will be carrying Pacific moisture across Mexico to the northern Gulf coast as this front moves into the Gulf. It appears the timing of this moisture will be such that showers don`t develop along the front until it reaches the coast. So, have kept pops mainly restricted to areas from New Orleans southward.

Sunday will bring a more vigorous cold front to the area…with showers as well as thunderstorms along with the SLIGHT THREAT for a few t-storms to become SEVERE.