Heavy Rain For Southeast (9/5/2011)

The combination of a cold front and the remnants of tropical cyclone Lee are producing heavy rain for much of the Southeast and Tennessee Valley.  Lee has made a transition from a tropical system to an extratropical system and will likely continue moving towards the northeast.  Cyclonic flow around Lee will create a warm sector along the front and generate warm air advection for areas of the Southeast.  This is where the possibility of severe weather is likely to occur this afternoon.

Figure 1. HPC Surface analysis at 1500 UTC

Figure 2. SPC's day 1 outlook for severe weather.

The Storm Prediction Center has issued out a moderate risk of severe storms for central and east AL, as well as portions of north-central GA today.  A slight risk of severe storms has been issued for the panhandle of FL, much of GA, AL, and SC, as well as southwest NC.  This is the area where Lee is creating a warm sector a head of the cold front.  Moisture from the Gulf of Mexico, moderate vertical wind shear, and significant lifting a head of the front will likely produce isolated tornadoes, as well as damaging wind gusts for the areas in red and yellow.  Please heed all watches and warnings in your area.


About Brian

University of Oklahoma graduate with a degree in Meteorology. Follow me on Twitter: @WeatherInformer
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