[MCD] SWOMCD

Fri Dec 1 13:43:26 UTC 2006

ACUS11 KWNS 011345
SWOMCD
SPC MCD 011344 
PAZ000-WVZ000-OHZ000-011445-

MESOSCALE DISCUSSION 2260
NWS STORM PREDICTION CENTER NORMAN OK
0744 AM CST FRI DEC 01 2006

AREAS AFFECTED...ERN OH/WRN PA/FAR NRN WV PANHANDLE

CONCERNING...SEVERE THUNDERSTORM WATCH 873...

VALID 011344Z - 011445Z

ISOLATED THREAT FOR DAMAGING WINDS WITH LOW-TOPPED CONVECTION ALONG
FAST MOVING COLD FRONT TO CONTINUE THIS MORNING.

REGIONAL RADARS INDICATED LOW-TOPPED LINE OF CONVECTION CONTINUED TO
ACCOMPANY THE STRONG COLD FRONT MOVING ENEWD AT 40 KT AT THIS TIME
INTO ERN OH AND WRN WV.  VADS AT CLE AND CRW...JUST AHEAD OF THE
CONVECTIVE LINE...INDICATED 45-55 KT SSWLY WINDS JUST OFF THE
SURFACE.  WARM FRONT HAS CONTINUED TO MOVE NWD THIS MORNING AND NOW
EXTENDS ENEWD FROM SURFACE LOW OVER NORTH CENTRAL OH TO FAR NWRN AND
NRN PA INTO SERN NY.  WARM SECTOR AIR MASS WILL CONTINUE TO SLOWLY
DESTABILIZE WITH LOW LEVEL LAPSE RATES POTENTIALLY BECOMING
SUFFICIENTLY STEEP TO ALLOW STRONGER WINDS JUST OFF THE SURFACE TO
MIX DOWNWARD AND PRODUCE LOCALLY STRONG DAMAGING WINDS.

..PETERS.. 12/01/2006

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

ATTN...WFO...PBZ...RLX...CLE...ILN...

39668224 40528225 41488254 41688155 41698072 41607956
41157956 40747971 40248053 39838077 39518132 