SWOMCD
SPC MCD 121823
NCZ000-SCZ000-GAZ000-122030-
MESOSCALE DISCUSSION 0776
NWS STORM PREDICTION CENTER NORMAN OK
0123 PM CDT SAT MAY 12 2007
AREAS AFFECTED...CNTRL AND ERN NC THROUGH SC AND GA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 121823Z - 122030Z
STORMS WILL LIKELY REMAIN CAPABLE OF PRODUCING ISOLATED HAIL AND
STRONG WIND GUSTS ACROSS CNTRL AND ERN NC THROUGH SC...PORTIONS OF
GA THROUGH EARLY EVENING.
EARLY THIS AFTERNOON STORMS WERE DEVELOPING ALONG A WEAK BOUNDARY
THAT EXTENDS ACROSS NC FROM NEAR RALEIGH SWWD TO NEAR CHARLOTTE THEN
SWWD INTO NERN GA. OTHER STORMS WERE DEVELOPING FARTHER EAST ALONG A
BOUNDARY THAT EXTENDS FROM NEAR SOUTHERN PINES NC TO NEAR COLUMBIA
SC AND FARTHER SW INTO E CNTRL GA. STRONG SURFACE HEATING CONTINUES
TO DESTABILIZE THE WARM SECTOR DOWNSTREAM FROM THIS ACTIVITY WITH
MLCAPE AROUND 1500 J/KG...BUT MID LEVEL LAPSE RATES SHOULD REMAIN
MODEST GENERALLY AOB 6 C/KM. THE STORMS ARE EMBEDDED WITHIN WEAK
VERTICAL SHEAR WITH ABOUT 15 TO 20 KT NWLY FLOW IN THE 700-500 MB
LAYER. ACTIVITY SHOULD REMAIN PULSE/MULTICELLULAR IN CHARACTER.
STORMS DEVELOPING ALONG THE BOUNDARY ACROSS NC ARE QUITE NUMEROUS
AND POTENTIAL EXIST FOR THESE STORMS TO CONGEAL INTO A MORE SOLID
LINE AS THEY ADVANCE SLOWLY SEWD.
.DIAL.. 05/12/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MHX...RAH...ILM...CHS...CAE...GSP...FFC...
33868290 35138279 35268123 35467981 36087816 35167733
33547957 33338165
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