SWODY1
SPC AC 112001
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0201 PM CST FRI NOV 11 2011
VALID 112000Z - 121200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
NO CHANGES TO PRIOR OUTLOOK...SEE DISCUSSION BELOW.
..GUYER.. 11/11/2011
.PREV DISCUSSION... /ISSUED 1005 AM CST FRI NOV 11 2011/
...CA...
DEEP-LAYER CYCLONE OVER THE FAR ERN PACIFIC WILL MOVE/DEVELOP SWD
THIS PERIOD WITH A NUMBER OF VORTICITY MAXIMA ROTATING THROUGH BASAL
PORTION OF MIDLEVEL CIRCULATION. FORCING FOR ASCENT ATTENDANT TO
THESE IMPULSES MAY ALIGN WITH WEAK ELEVATED INSTABILITY TO SUPPORT
SPORADIC LIGHTNING ACTIVITY OVER THE SHELF WATERS AND IMMEDIATE
COAST...NAMELY TONIGHT INTO SAT MORNING.
...LOWER GREAT LAKES...
ISOLATED LIGHTNING STRIKES WILL REMAIN POSSIBLE WITH LAKE-ENHANCED
CONVECTIVE ELEMENTS INTO AFTERNOON. THEREAFTER...RISING MIDLEVEL
HEIGHTS AND RESULTANT LARGE-SCALE SUBSIDENCE SHOULD LEAD TO A
CESSATION OF THIS ACTIVITY.
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