SWOMCD
SPC MCD 291919
SCZ000-NCZ000-GAZ000-TNZ000-292115-
MESOSCALE DISCUSSION 0379
NWS STORM PREDICTION CENTER NORMAN OK
0219 PM CDT THU MAR 29 2012
AREAS AFFECTED...PARTS OF ERN TENNESSEE/WRN NORTH CAROLINA/NE
GEORGIA AND WRN/CNTRL SOUTH CAROLINA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 291919Z - 292115Z
DEEPENING CONVECTIVE DEVELOPMENT IS UNDERWAY ACROSS THE HIGHER
TERRAIN...AS SURFACE HEATING CONTRIBUTES TO A DESTABILIZING BOUNDARY
LAYER. CAPE NOW AROUND 500-1000 J/KG SHOULD INCREASE FURTHER
THROUGH LATE AFTERNOON. THUNDERSTORMS HAVE ALREADY BEGUN TO FORM ON
THE WESTERN SLOPES OF THE SOUTHERN APPALACHIANS...AND DEVELOPMENT ON
THE EASTERN SLOPES...ACROSS THE WESTERN CAROLINAS ...APPEARS
INCREASINGLY LIKELY THROUGH 21-22Z. AIDED BY A MODESTLY SHEARED
20-30 KT WEST NORTHWESTERLY DEEP LAYER MEAN FLOW...STORMS WILL TEND
TO ADVECT OFF THE HIGHER TERRAIN INTO THE SOUTH CAROLINA AND
NORTHEAST GEORGIA PIEDMONT...WHERE THE BOUNDARY LAYER IS BECOMING
MORE STRONGLY HEATED AND DEEPLY MIXED. STRONGEST STORMS WILL BECOME
FOCUSED WITHIN A NARROW CORRIDOR OF HIGHER PRECIPITABLE WATER /UP TO
AROUND 1 INCH/...WHERE PRECIPITATION LOADING AND SUB-CLOUD
EVAPORATIVE COOLING WILL SUPPORT POTENTIAL FOR AT LEAST LOCALIZED
STRONG...AND POTENTIALLY DAMAGING...WIND GUSTS.
..KERR.. 03/29/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CAE...GSP...MRX...FFC...OHX...
LAT...LON 36368529 35748282 35378174 34298066 33888134 33788234
34618377 35568471 36368529
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