Thursday, June 14, 2007

MESO: Mesoscale Discussion 1152

ACUS11 KWNS 142012
SWOMCD
SPC MCD 142011
WVZ000-VAZ000-OHZ000-NCZ000-TNZ000-KYZ000-GAZ000-ALZ000-142115-

MESOSCALE DISCUSSION 1152
NWS STORM PREDICTION CENTER NORMAN OK
0311 PM CDT THU JUN 14 2007

AREAS AFFECTED...PARTS OF SRN OH/MUCH OF WV/ERN KY/ERN AND PARTS OF
MIDDLE TN/PARTS OF WRN VA

CONCERNING...SEVERE THUNDERSTORM WATCH 397...

VALID 142011Z - 142115Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 397
CONTINUES.

THUS FAR...THE GREATEST COVERAGE OF STRONG TO SEVERE STORMS HAS BEEN
CONFINED TO THE HIGHER TERRAIN ACROSS IN THE SRN HALF OF WW 397.
DESPITE MODERATE INSTABILITY ACROSS THIS PART OF THE WW... GENERALLY
WEAKER DEEP LAYER SHEAR SHOULD TEND TO SUPPORT ADDITIONAL PULSE-TYPE
STORMS WITH ISOLATED HAIL AND STEEP LOW LEVEL LAPSE RATES SUPPORTING
STRONG WIND GUSTS.

FARTHER N...STRONGER NELY MID LEVEL WINDS AT 35-40 KT SPREADING
ACROSS OH INTO THE NRN PART OF THE WW IS ENHANCING EFFECTIVE BULK
SHEAR FOR GREATER POTENTIAL OF STORM ORGANIZATION. GIVEN TSTM
DEVELOPMENT...MLCAPE OF 500-1000 J/KG AND THE GREATER SHEAR WILL
LIKELY RESULT IN A SEVERE TSTM. THUS...SEVERE WEATHER THREAT
CONTINUES ACROSS ALL OF WW 397.

.PETERS.. 06/14/2007

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

ATTN...WFO...RNK...PBZ...RLX...GSP...MRX...JKL...FFC...ILN...LMK...OHX...HUN...

37468573 38798376 39658164 39508020 37967993 37178039
36638148 34998429 34888586

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