SWOMCD
SPC MCD 020256
PAZ000-OHZ000-020430-
MESOSCALE DISCUSSION 1990
NWS STORM PREDICTION CENTER NORMAN OK
0956 PM CDT FRI AUG 01 2008
AREAS AFFECTED...NERN OH INTO NWRN PA
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 020256Z - 020430Z
THE POTENTIAL FOR LOCALLY DAMAGING WIND GUSTS AND HAIL INCREASING
ACROSS THE DISCUSSION AREA AND CONVECTIVE TRENDS ARE BEING MONITORED
FOR A POSSIBLE WW.
RECENT TRENDS IN RADAR IMAGERY INDICATE TSTMS INCREASING IN BOTH
COVERAGE AND INTENSITY OVER LAKE ERIE ALONG AND AHEAD OF SURFACE
TROUGH PUSHING SEWD THROUGH SWRN ONTARIO AND SERN LOWER MI. AREA
VWPS INDICATE THAT LOW-LEVEL WINDS JUST ABOVE THE SURFACE /IN
PRE-FRONTAL AIR MASS/ HAVE INCREASED SLIGHTLY FROM THE
W...EFFECTIVELY SUPPORTING THE EWD ADVECTION OF A MODERATELY
UNSTABLE AIR MASS OBSERVED BY 00Z RAOBS OVER THE MIDDLE OH VALLEY.
THIS DECREASING STABILITY COMBINED WITH STRENGTHENING LARGE-SCALE
FORCING FOR ASCENT AND VERTICAL SHEAR MAY PROMOTE FURTHER
INTENSIFICATION AS STORMS MOVE OFF THE LAKE INTO NERN OH AND NWRN
PA. LOCALLY STRONG WIND GUSTS AND PERHAPS SOME HAIL APPEAR TO BE THE
PRIMARY THREATS WITH THE MOST INTENSE STORMS.
..MEAD.. 08/02/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PBZ...CLE...
42048118 42178041 41828002 41448013 40898059 40658137
40578238 40828280 41338279 41528249
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