SWOMCD
SPC MCD 111855
GAZ000-SCZ000-NCZ000-ALZ000-112000-
MESOSCALE DISCUSSION 1095
NWS STORM PREDICTION CENTER NORMAN OK
0155 PM CDT MON JUN 11 2007
AREAS AFFECTED...NWRN GA
CONCERNING...SEVERE THUNDERSTORM WATCH 380...
VALID 111855Z - 112000Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 380
CONTINUES.
WW 380 MAY NEED TO BE LOCALLY EXTENDED WWD ACROSS NRN GA INCLUDING
THE ATL METRO AREA...IF TSTM COVERAGE CONTINUES TO INCREASE.
REGIONAL RADARS AND LIGHTNING DATA SHOWED TSTMS HAVE DEVELOPED ALONG
THE SRN EXTENT OF THE APPALACHIANS FROM FANNIN COUNTY GA TO CLEBURNE
COUNTY AL. EARLY AFTERNOON SURFACE ANALYSIS INDICATED MOISTURE HAS
RETURNED NWWD INTO NRN/NWRN GA WITH SURFACE DEWPOINTS AROUND 70
INCLUDING THE ATL METRO AREA. THIS COMBINED WITH SURFACE
TEMPERATURES INTO THE MID 80S IS RESULTING IN A MODERATELY UNSTABLE
AIR MASS EXTENDING W OF WW 380 WITH MLCAPE OF 1000-2000 J/KG. TSTMS
SHOULD CONTINUE TO DEVELOP AND MOVE SEWD OFF THE HIGHER TERRAIN INTO
NRN GA...WITH EFFECTIVE BULK SHEAR VALUES OF 35-40 KT SUPPORTING
STORM ORGANIZATION AND ATTENDANT THREAT OF HAIL/STRONG WIND GUSTS.
.PETERS.. 06/11/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GSP...MRX...FFC...BMX...
33778561 34438545 34648471 35008383 34928335 34168276
33508302 33248415 33078527 33428575
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