Weather Blog: Wet weekend ahead

Weather Blog: Wet weekend ahead

MONTGOMERY, AL (WSFA) - Hey everybody! Not too bad of a start today but eventually the rain arrived and it looks like we'll continue to need our umbrellas for a couple days. A convective complex with an embedded mesolow is moving east along the gulf coast bringing showers and a few thunderstorms for the Florida Panhandle, central and southern Alabama.

Thanks to an upper-level system that's upstream from this complex rain will continue through tonight. Isolated to scattered showers will persist tonight mainly in southern Alabama. Rain may be heavy at times. A Flash Flood watch is in effect for our southern counties until 7:00 AM Thursday. Due to cloud cover and rain activity overnight temperatures will be mild in the mid to upper 50s.

THURSDAY & FRIDAY: After today we are moving into an interesting set up. An upper level disturbance will continue our unsettled weather through the end of the workweek. We'll keep rain chances elevated tomorrow and Friday. The good news is it will not be raining the entire time and much of the rain that will fall will be light. Thunderstorms will be possible but not a major player. So expect intervals of rain with a few rumbles possible.

Also during this time high pressure will be dominate well to our north, this will place us in a back door cold air damming. Cold air damming (CAD) involves a high pressure system accelerating east of a north-south oriented mountain range (in this case the Appalachian Mountains) due to the formation of a barrier jet behind a cold front associated with the poleward portion of a split upper level trough. So what does this all mean to you? Well it's going to be pretty cool for the next couple of days. A wedge will form keeping cooler air here at the surface and keep warm air aloft. We'll go from highs in the low 70s today to the low to mid 60s during the afternoon tomorrow and Friday. Lows will drop down into upper 40s to low 50s.

WEEKEND: The upper level low will exit the area by Saturday allowing clearing and drying to begin. Models are indicating a quick warm up through the weekend but there's still some disagreement between models given the lingering CAD wedge that will be in place. But the good news is other than a few morning showers Saturday the weekend is looking dry.

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