SWOMCD
SPC MCD 080342
PAZ000-080445-
MESOSCALE DISCUSSION 0501
NWS STORM PREDICTION CENTER NORMAN OK
1042 PM CDT FRI MAY 07 2010
AREAS AFFECTED...NRN AND CNTRL OH
CONCERNING...SEVERE THUNDERSTORM WATCH 145...
VALID 080342Z - 080445Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 145
CONTINUES.
A SEVERE THREAT MAY DEVELOP ACROSS CNTRL AND NRN PA AS STORMS MOVE
IN FROM THE WEST. THE SEVERE THUNDERSTORM WATCH IN NW PA WILL BE
LOCALLY EXTENDED.
THE STORMS ARE LOCATED NEAR A SFC LOW AND PRESSURE FALL/RISE
COUPLET. THIS ALONG WITH LIFT ASSOCIATED WITH THE LOW-LEVEL JET WILL
SUPPORT THE CONVECTION OVER THE NEXT FEW HOURS. OBJECTIVE ANALYSIS
SHOWS A CAPPING INVERSION ACROSS THE REGION MAKING THE STORMS
ELEVATED. HOWEVER...A FORWARD SPEED OF 55 TO 60 KT MAY RESULT IN A
WIND DAMAGE THREAT AS THE LINE IN VENANGO AND MERCER COUNTIES MOVES
SEWD INTO THE STATE COLLEGE AREA TONIGHT. STEEP MID-LEVEL LAPSE
RATES MAY ALSO BE SUFFICIENT FOR HAIL WITH THE MORE INTENSE CORES.
..BROYLES.. 05/08/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...BGM...CTP...PBZ...
LAT...LON 40567720 40507829 40547897 40657948 40917966 41307965
41577941 41857900 41997830 41997767 41987700 41737654
41037660 40567720
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