11/19 – Rob’s Friday-Eve Morning Forecast

Persistence is the name of the game through Saturday night. The region will remain parked beneath a broad upper level high-pressure extending across the northern Gulf. Strong subsidence will keep the atmosphere quite dry as temperatures will gradually modify through the period. Overnight lows should dip into the upper 40s and lower 50s across inland areas with readings in the middle to upper 50s south of the interstate.

A largely zonal flow pattern will take hold by Sunday as a cold front to the NW should approach the forecast area, but will wash out before making any significant inroads. The biggest impact will be an increase in moisture. A much stronger cold front will directly impact the forecast area beginning Tuesday afternoon. Increasing southerly flow in advance of the system associated with a strengthening surface low in the central Plains will lead to strong moisture advection across the region. This will allow for cloud coverage and shower development by Tuesday afternoon. Any showers should be fairly isolated initially, but will increase in coverage through Tuesday night and Wednesday morning as a strong cold front approaches the forecast area.

The shower activity will begin to decrease from west to east as the front sweeps across the forecast area on Wednesday. By Wednesday evening, only lingering isolated shower activity is expected and conditions should fully clear out for Thanksgiving Day.

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