Debby Dumps 12-20 Inches Of Rain In 24-Hours Resulting In Extreme Flooding!

Much of North Florida is ultimately a disaster zone with the focus on hardest hit Wakulla County where a Civil Emergency has been declared. A massive amount of rain fallen over the past 24 hours across the Panhandle. As you can see from the graphic below provided by the Tallahassee NWS showing rainfall totals from the past 24 hours, a large area south of Tallahassee has picked up an astonishing 15-20″.

I made mention already about the piling up of moisture as a deep tropical conveyor has been streaming into west and central Florida and has bent round the northern side of the circulation. Yesterday saw a huge blow up of convection as moisture rich winds southeast winds converged with northeast winds which enhanced lift around and south of Tallahassee resulting in the incredible rains which lasted through much of yesterday, only leaving and heading northeast into the Jacksonville area and Brunswick, GA this morning. This has resulted in many counties being under water with people fleeing homes and trying to get out.

Graphic courtesy of NWS Tallahassee

While we could see a further 12 inches in a few spots, the system is beginning to feel stronger upper level westerlies as the trough continues to deepen down the East Coast of the US, this should be enough to at least allow Debby a landfall by either late tonight or during the early morning tomorrow. By Thursday morning, Debby should have crossed Florida and emerged out into the Atlantic as a depression.

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