[MCD] SWOMCD
Mesoscale Convective Discussions
Mcd at goshenarc.org
Mon Apr 3 14:05:33 UTC 2006
ACUS11 KWNS 031404
SWOMCD
SPC MCD 031404
PAZ000-WVZ000-OHZ000-031530-
MESOSCALE DISCUSSION 0418
NWS STORM PREDICTION CENTER NORMAN OK
0904 AM CDT MON APR 03 2006
AREAS AFFECTED...ERN PA...NRN WV...WRN PA
CONCERNING...SEVERE THUNDERSTORM POTENTIAL
VALID 031404Z - 031530Z
THUNDERSTORMS ARE BEGINNING TO DEVELOP ACROSS SRN OH. AS THE STORMS
EXPAND AND MOVE NEWD...A LARGE HAIL...WIND DAMAGE AND ISOLATED
TORNADO THREAT WILL LIKELY DEVELOP OVER THE NEXT FEW HOURS. A WW
SHOULD BECOME NECESSARY LATER THIS MORNING ACROSS THE REGION.
WATER VAPOR IMAGERY CURRENTLY SHOWS AN UPPER-LOW OVER SRN MI WITH A
POTENT TROUGH EXTENDING SWD ACROSS THE OH RIVER VALLEY. A STRONG
BAND OF LARGE-SCALE ASCENT ASSOCIATED WITH THE TROUGH WILL SPREAD
NEWD ACROSS ERN OH INTO WRN PA LATE THIS MORNING ALLOWING FOR
THUNDERSTORM ACTIVITY TO EXPAND IN COVERAGE. OTHER STORMS SHOULD
INITIATE ACROSS SW OH AND SPREAD EWD ACROSS THE SRN OH LATE THIS
MORNING. VISIBLE IMAGERY SHOWS PARTIALLY CLEAR SKIES EXTENDING NNEWD
FROM NRN KY ACROSS ERN OH WHICH SHOULD ALLOW FOR QUICK
DESTABILIZATION THIS MORNING. THIS COMBINED WITH STEEP LAPSE
RATES...MODERATE VERTICAL SHEAR AND COLD TEMPS ALOFT SHOULD SUPPORT
A THREAT FOR SUPERCELLS WITH LARGE HAIL. AS THE STORMS INTENSIFY AND
LOW-LEVEL LAPSE RATES STEEPEN...WIND DAMAGE AND AN AND ISOLATED
TORNADO THREAT WILL BECOME POSSIBLE.
..BROYLES.. 04/03/2006
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CTP...PBZ...RLX...CLE...ILN...
40608289 41088201 41618002 41867894 41297817 40467812
39598023 39248190 39438268 40138297
WWWW
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