Updated Wednesday at 9:00 AM.... We have never had a year with every month in a severe risk. Last month we had the tornadoes and now Louisville is in the severe risk for Thursday.
The HPC surface map for 7PM tomorrow has a 994 low heading into the Ohio Valley. The GFS and NAM both have a 992 low further north than the HPC does which would bring the severe threat further north.
SPC says: SOME THREAT WILL EXIST FOR MAINLY ISOLATED DAMAGING WIND...HAIL AND PERHAPS A TORNADO OR TWO THROUGH EARLY-MID EVENING.
NWS Louisville says: Though there will be enough shear for strong to severe storms, the amount of available instability is in question. The amount of cloudiness will play a significant role in how unstable we become.
NWS Paducah says: IF WE GET THE SFC HEATING EXPECTED /INTO THE 70S WITH DEW POINTS INTO THE 50S/...A LINE OF STRONG TO SEVERE THUNDERSTORMS MAY FIRE JUST NW OF THE OHIO RIVER MID/LATE AFTERNOON...THEN HEAD SOUTHEAST THROUGH WESTERN KY EARLY IN THE EVENING. IF THE STORMS DO INDEED FIRE...LOW LVL HELICITY VALUES SUGGEST THE POSSIBILITY OF A FEW TORNADOES...ESP IN DISCRETE CELLS AS THE LINE FORMS.
NWS Nashville says: HYDRODYNAMICS LOOKS RATHER STRONG TO ME WHILE THERMODYNAMICS REMAIN MARGINAL LATE AFTERNOON AND EVENING ON THURSDAY ACROSS MID STATE. HOWEVER BELIEVE DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES WILL BE POSSIBLE EVEN THOUGH THERMODYNAMICS ARE NOT THAT STRONG


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