SWOMCD
SPC MCD 101831
NCZ000-SCZ000-GAZ000-TNZ000-102000-
MESOSCALE DISCUSSION 1025
NWS STORM PREDICTION CENTER NORMAN OK
0131 PM CDT WED JUN 10 2009
AREAS AFFECTED...ERN TN...WRN NC AND SC...NRN GA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 101831Z - 102000Z
ISOLATED LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE WITH
THUNDERSTORM ACTIVITY DEVELOPING OVER ERN TN AND NRN GA...EXPANDING
EWD INTO WRN NC/SC. AT THIS TIME...A WW DOES NOT APPEAR NECESSARY.
THUNDERSTORMS HAVE RAPIDLY DEVELOPED DURING THE LAST HOUR OVER ERN
TN AND NRN GA...OCCURRING ALONG THE SRN PERIPHERY OF AN UPPER LEVEL
IMPULSE TRANSLATING EWD THROUGH THE OH VALLEY REGION. THESE STORMS
ARE EXPECTED TO EXPAND E INTO THE REMAINDER OF NRN GA...AS WELL AS
PORTIONS OF THE WRN CAROLINAS. SURFACE TEMPERATURES HAVE WARMED INTO
THE MID 80S OVER MUCH OF THE AREA...AIDING IN RAPID BOUNDARY LAYER
DESTABILIZATION. THIS HEATING COMBINED WITH MODEST MID LEVEL LAPSE
RATES AND A FAVORABLY MOIST LOW LEVEL AIRMASS...IS CONTRIBUTING
TOWARD 1000-2000 J/KG OF MLCAPE. AREA VWP DATA INDICATES THAT LOW
LEVEL WLY FLOW VEERS TO NWLY IN THE MID TO UPPER LEVELS...THOUGH
SPEEDS ARE NOT PARTICULARLY STRONG. HOWEVER...THIS WIND PROFILE
SHOULD AID IN STORM ORGANIZATION...WITH STRONG TO SEVERE MULTICELL
THUNDERSTORMS POSSIBLE...POSING A RISK OF LARGE HAIL AND DAMAGING
WINDS.
..GARNER.. 06/10/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GSP...MRX...FFC...
LAT...LON 36138431 36208332 35928262 35318223 34608224 33978284
33628369 33658451 34048528 34938522 35928466 36138431
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