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Written by Jeff Gonzales
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Friday, 09 October 2009 |
Slight Risk today, 10-9-09, from Texas to Ohio River Valley
There is a slight risk for severe weather today going from Texas to the Ohio Valley area. The Tornado risk is currently at 2%. The main threat is large hail and damaging wind.
The SPC said this: STRONG WIND FIELDS ARE EXPECTED...PARTICULARLY FROM THE TN RVR VLY NWD WHERE 80-90 KTS OF SWLY H5 FLOW TOPS A 40-50 KT LLJ. THIS WILL YIELD STRONG LLVL AND DEEP-LAYER SHEAR INVOF THE FRONTAL CIRCULATION...BUT DECREASING IN THE WARM SECTOR AND WITH SWD LATITUDINAL EXTENT. LIMITING FACTOR FOR A MORE ROBUST SVR EVENT/TORNADOES WILL CONTINUE TO BE LINEAR CONVECTIVE MODE AND POOR LAPSE RATE ENVIRONMENT. HOWEVER...EMBEDDED BOWING SEGMENTS/
SMALL-SCALE LEWPS /RAPID STORM MOTIONS/ WILL CONTRIBUTE TO DMGG WIND GUSTS. A FEW STORMS MAY ALSO PRODUCE HAIL...PRIMARILY ACROSS S TX IN CLOSER PROXIMITY TO STEEP LAPSE RATES.
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