SWOMCD
SPC MCD 081924
MDZ000-WVZ000-OHZ000-VAZ000-TNZ000-KYZ000-NCZ000-082100-
MESOSCALE DISCUSSION 0988
NWS STORM PREDICTION CENTER NORMAN OK
0224 PM CDT MON JUN 08 2009
AREAS AFFECTED...EASTERN TN/EASTERN KY/SOUTHEAST OH INTO WV AND
WESTERN PORTIONS OF VA/NC
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 081924Z - 082100Z
SCATTERED TSTMS CAPABLE OF PERIODIC SEVERE HAIL/WIND WILL CONTINUE
TO SPREAD EASTWARD ACROSS THE EASTERN PORTIONS OF KY/TN AND
SOUTHEAST OH INTO WV/SOUTHWEST PA AND THE WESTERN PORTIONS OF VA/NC.
A SEVERE TSTM WATCH IS NOT EXPECTED.
NNE-SSW ORIENTED BAND OF TSTMS HAS DEVELOPED/INCREASED ACROSS THE
REGION OVER THE PAST HOUR. THIS ACTIVITY APPEARS TO BE TIED TO A
GRAVITY WAVE TYPE FEATURE EMANATING FOR UPSTREAM EARLY DAY
CONVECTION. REGARDLESS...IT SEEMS PROBABLE THAT AN OCCASIONAL SEVERE
HAIL/WIND THREAT WILL CONTINUE THROUGH LATE AFTERNOON AS TSTMS
DEVELOP/SPREAD EASTWARD INTO A MODERATELY UNSTABLE BOUNDARY LAYER
/UP TO 1500-2000 J PER KG/ ON THE WEST SIDE OF THE APPALACHIANS.
WEAK LOW TO MID TROPOSPHERIC FLOW /MEAN FLOW LESS THAN 20 KT/ IS
EXPECTED TO LIMIT OVERALL TSTM ORGANIZATION...AND A WATCH IS NOT
EXPECTED.
..GUYER.. 06/08/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...RNK...PBZ...RLX...GSP...MRX...JKL...OHX...
LAT...LON 39868159 39367944 35188318 35908491 39868159
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