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MESOSCALE DISCUSSION 1073
NWS STORM PREDICTION CENTER NORMAN OK
0747 PM CDT THU JUN 13 2013
AREAS AFFECTED...CNTRL GA THROUGH CNTRL SC AND COASTAL NC
CONCERNING...SEVERE THUNDERSTORM WATCH 308...311...
VALID 140047Z - 140215Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
308...311...CONTINUES.
SUMMARY...STORMS WILL CONTINUE TO POSE A THREAT FOR ISOLATED
DAMAGING WIND AND HAIL THROUGH AT LEAST MID EVENING...ESPECIALLY
FROM CNTRL GA INTO CNTRL SC.
DISCUSSION...BROKEN PRE-FRONTAL LINE OF STORMS CONTINUES SEWD AT
AROUND 25 KT FROM NCTRL GA EWD THROUGH CNTRL SC AND ERN NC. EVENING
RAOB DATA INDICATE THE ATMOSPHERE IS MODERATELY UNSTABLE IN WARM
SECTOR WITH A NEAR DRY ADIABATIC SFC-850 LAPSE RATES AND 7-7.5 C/KM
MID LEVEL LAPSE RATE. THE STORMS ARE EMBEDDED IN NWLY FLOW ALOFT
WITH 30-35 KT 0-6 KM VERTICAL SHEAR. THIS ENVIRONMENT WILL CONTINUE
TO SUPPORT MAINLY MULTICELL AND SOME MARGINAL SUPERCELL STRUCTURES
NEXT 2-3 HOURS. CONVECTIVE INHIBITION WILL INCREASE SOON AS THE
BOUNDARY LAYER COOLS...SUGGESTING STORMS SHOULD BEGIN A GRADUAL
DECREASE IN INTENSITY AFTER 03Z.
..DIAL.. 06/14/2013
ATTN...WFO...MHX...ILM...CHS...CAE...FFC...
LAT...LON 33448470 33478267 33988061 34537968 34447868 34387755
35337562 35187530 34527620 33567799 33028113 32588374
32728510 33168520 33448470
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