SWOMCD
SPC MCD 281729
VAZ000-NCZ000-WVZ000-TNZ000-KYZ000-281830-
MESOSCALE DISCUSSION 1155
NWS STORM PREDICTION CENTER NORMAN OK
1229 PM CDT MON JUN 28 2010
AREAS AFFECTED...S-CNTRL AND SERN KY / NERN TN / NWRN NC / SWRN VA /
SRN WV
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 281729Z - 281830Z
SCATTERED TO NUMEROUS STORMS WILL LIKELY DEVELOP THE NEXT FEW HOURS
ACROSS SERN KY AND THE SRN PORTIONS OF THE APPALACHIAN MTNS. THE
STRONGER STORMS WILL BE CAPABLE OF SPORADIC POCKETS OF WIND DAMAGE
AS THEY MOVE EWD CROSSING THE CUMBERLAND GAP AND CREST OF THE HIGHER
TERRAIN. A WW IS POSSIBLE OVER THE ERN PORTIONS OF THE DISCUSSION
AREA.
MESOANALYSIS PLACES A WEAK LOW LEVEL CONFLUENT ZONE FROM NEAR BWG TO
JKL EWD INTO SRN WV AHEAD OF THE MAIN SYNOPTIC FRONT THAT IS LOCATED
ALONG THE OH RIVER. RADAR IMAGERY OVER THE PAST 30 MIN SHOWS
SCATTERED CONVECTION BLOSSOMING ALONG AND S OF THIS ZONE WHERE TEMPS
ARE CONTINUING TO WARM INTO THE 80S AND LOWER 90S--ACTING TO STEEPEN
LOW LEVEL LAPSE RATES. MODERATELY STRONG H85-H7 FLOW WILL SPREAD
EWD AWAY FROM THE REGION TOWARDS THE MID ATLANTIC AS AN UPPER LEVEL
TROUGH MOVES TOWARDS THE ST LAWRENCE VALLEY. BEFORE THIS OCCURS
STORMS WILL CONTINUE TO INTENSIFY THIS AFTERNOON INTO ONE OR MORE
SMALL MULTICELLULAR CLUSTERS. AND...CONDITIONS WILL BECOME MORE
FAVORABLE FOR DOWNWARD MOMENTUM TRANSPORT OF SOME MODESTLY STRONG
/30-40 KTS/ WLY FLOW IN 2-5 KM LAYER PER KJKL AND JRLX VAD DATA.
..SMITH.. 06/28/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...RAH...RNK...RLX...GSP...MRX...JKL...LMK...OHX...
LAT...LON 36018069 36448540 36788655 37098644 37458480 38128090
37857974 37217930 36347962 36018069
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