SWOMCD
SPC MCD 101911
NCZ000-SCZ000-102045-
MESOSCALE DISCUSSION 1237
NWS STORM PREDICTION CENTER NORMAN OK
0211 PM CDT SAT JUL 10 2010
AREAS AFFECTED...PIEDMONT/COASTAL PORTIONS OF SC/NC
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 101911Z - 102045Z
STRONG/SEVERE TSTMS MAY POSE A DAMAGING WIND THREAT ACROSS THE
PIEDMONT/COASTAL PORTIONS OF SC/NC THROUGH LATE AFTERNOON. A WATCH
IS NOT ANTICIPATED.
SCATTERED-BROKEN CLUSTERS OF TSTMS WILL CONTINUE TO CONGEAL/SPREAD
EASTWARD ACROSS THE PIEDMONT/COASTAL PORTIONS OF SC/NC ALONG/JUST
AHEAD OF A SOUTHEAST ADVANCING COLD FRONT. WHILE LOW TO MID
TROPOSPHERIC FLOW IS RELATIVELY WEAK...SOME GRADUAL STRENGTHENING
APPEARS TO BE OCCURRING ALOFT...AND THIS WILL CONTRIBUTE TO THE
SUSTENANCE/EASTWARD PROPAGATION OF TSTM CLUSTERS TOWARD/ACROSS THE
COASTAL PORTIONS OF NC/SC THROUGH LATE AFTERNOON/EARLY EVENING. WITH
A WINDOW FOR SOME ADDITIONAL HEATING...A HIGH MOISTURE CONTENT
AIRMASS /GPS DERIVED PERCEPTIBLE WATER VALUES OF 2.2 INCHES/...WITH
NEAR 90F SURFACE TEMPERATURES/STEEP LOW LEVEL LAPSE RATES AND MLCAPE
ESTIMATED TO BE AS HIGH AS 1500-2000 J/KG...PERIODIC DOWNBURSTS
CAPABLE OF DAMAGING WINDS ARE POSSIBLE.
..GUYER.. 07/10/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...AKQ...MHX...RAH...ILM...CHS...CAE...
LAT...LON 36117646 35977529 34877591 32478042 33978171 34567967
35047809 36117646
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