MESO: Mesoscale Discussion 0368

ACUS11 KWNS 071542
SWOMCD
SPC MCD 071542
SCZ000-GAZ000-071715-

MESOSCALE DISCUSSION 0368
NWS STORM PREDICTION CENTER NORMAN OK
0942 AM CST FRI MAR 07 2008

AREAS AFFECTED...EXTREME SE GA THROUGH ERN SC

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 071542Z - 071715Z

THE THREAT FOR PRIMARY ISOLATED DAMAGING WIND AND POSSIBLY AN
ISOLATED TORNADO OR TWO MAY INCREASE ACROSS ERN SC NEXT FEW HOURS.
AREA IS BEING MONITORED FOR A POSSIBLE WW.

COASTAL BOUNDARY EXTENDS FROM JUST OFFSHORE OF THE CAROLINAS SWWD
INTO SERN GA WHERE IT INTERSECTS AN OUTFLOW BOUNDARY THAT EXTENDS
FARTHER SWWD INTO NRN FL INTO THE NERN GULF. SELY LOW LEVEL FLOW HAS
RESULTED IN A GRADUAL INCREASE IN BOUNDARY LAYER MOISTURE ACROSS ERN
SC WITH SURFACE DEWPOINTS NOW IN THE LOW 60S. A 60+ KT LOW LEVEL JET
WILL SHIFT NEWD THROUGH THE ERN SC THIS AFTERNOON IN ASSOCIATION
WITH A NEWD EJECTING SHORTWAVE TROUGH. THIS WILL RESULT IN FURTHER
LOW LEVEL MOISTURE ADVECTION AND DESTABILIZATION AS WELL AS AUGMENT
LOW LEVEL HODOGRAPHS AHEAD OF MCV THAT IS ADVANCING EWD THROUGH WRN
AND CNTRL SC. HOWEVER...INSTABILITY WILL LIKELY REMAIN MARGINAL
OWING TO MODEST LAPSE RATES AND WIDESPREAD CLOUDS. STORMS DEVELOPING
IN ASSOCIATION WITH THE MCV ACROSS SC STILL APPEAR TO BE SLIGHTLY
ELEVATED. HOWEVER...AS THE BOUNDARY LAYER CONTINUES TO MOISTEN AND
DESTABILIZE...STORMS MAY BECOME CLOSE ENOUGH TO SURFACE BASED TO
SUPPORT A THREAT FOR DAMAGING WIND AND ISOLATED TORNADOES GIVEN WIND
PROFILES VERY FAVORABLE FOR BOWING STRUCTURES AND SUPERCELLS.

.DIAL.. 03/07/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...ILM...CHS...CAE...

33137928 32448037 32148098 32528127 33638070 34147964
33877882

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