SWOMCD
SPC MCD 150733
NCZ000-SCZ000-150900-
MESOSCALE DISCUSSION 0498
NWS STORM PREDICTION CENTER NORMAN OK
0233 AM CDT SUN APR 15 2007
AREAS AFFECTED...PARTS OF CNTRL SC INTO WRN/CNTRL NC
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 150733Z - 150900Z
TRENDS ARE BEING MONITORED FOR AN INCREASING SEVERE THREAT AND THE
POSSIBILITY OF A WW NORTH OF WW 145.
RAPID 2 HOUR SURFACE PRESSURE FALLS ARE ONGOING ALONG/NORTH OF
SURFACE WARM FRONT TO THE LEE OF THE BLUE RIDGE...AND MOST MODEL
GUIDANCE INDICATES THE CENTER OF A RAPIDLY DEEPENING SURFACE LOW
WILL SHIFT INTO AREAS NORTHWEST THROUGH NORTH OF CHARLOTTE NC BY THE
09-12Z TIME FRAME. BOUNDARY LAYER DESTABILIZATION INTO THE PIEDMONT
OF THE CAROLINAS WILL NEED TO BE CLOSELY MONITORED NEXT FEW
HOURS...AS FORCING/SHEAR PROFILES WILL BECOME INCREASINGLY
SUPPORTIVE OF THE POTENTIAL FOR SUPERCELLS WITH TORNADOES.
OTHERWISE...THE EVOLUTION OF A PRE-FRONTAL SQUALL LINE APPEARS
POSSIBLE THROUGH DAYBREAK ...WITHIN AN INTENSIFYING SOUTHWESTERLY
MEAN FLOW REGIME TO THE LEE OF THE SOUTHERN APPALACHIANS...POSING AN
INCREASING RISK FOR DAMAGING SURFACE WIND GUSTS.
.KERR.. 04/15/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...RAH...ILM...RNK...CAE...GSP...
33728082 33798136 34758101 35278069 35868053 36397985
36397805 34887861
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