SWODY1
SPC AC 020040
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0640 PM CST SUN MAR 01 2009
VALID 020100Z - 021200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
POTENT STORM SYSTEM ALOFT CONTINUES LIFTING NEWD ACROSS THE
SOUTHEAST U.S. -- SPECIFICALLY GA/SC ATTM. THE LOW IS FORECAST TO
REACH COASTAL VA BY THE END OF THE PERIOD...WHILE THE LARGER-SCALE
TROUGH -- COVERING A LARGE PORTION OF ERN NOAM BY THE END OF THE
PERIOD -- PROGRESSES EWD.
FARTHER W...THE LEAD PORTIONS OF A SECOND LARGE TROUGH -- THIS ONE
OVER THE ERN PACIFIC -- WILL CONTINUE TO AFFECT THE W COAST STATES
THROUGH THE PERIOD. BETWEEN THESE TWO SYSTEMS...A LARGE RIDGE WILL
MAKE SLOW EWD PROGRESS ACROSS THE U.S./CANADIAN ROCKIES.
...PARTS OF THE ATLANTIC COAST STATES...
WHILE MOST OF THE LIGHTNING ASSOCIATED WITH THE SURFACE LOW/FRONT --
WHICH HAS NOW MOVED OFF THE CAROLINA AND FL COASTS -- IS NOW
RELEGATED TO THE WRN ATLANTIC...A FEW STRIKES HAVE RECENTLY OCCURRED
WITHIN THE WRAPAROUND/DEFORMATION ZONE OVER NWRN SC N OF THE MAIN
UPPER LOW. AS THIS LOW MOVES NEWD THROUGH THE END OF THE PERIOD...A
SMALL ZONE OF ISOLATED LIGHTNING POTENTIAL MAY PERSIST -- CENTERED
OVER THE WRN CAROLINAS AND POSSIBLY REACHING INTO WRN VA LATE.
...COASTAL NRN CA/OREGON...
A FEW LIGHTNING STRIKES MAY OCCUR OVERNIGHT ACROSS COASTAL AREAS OF
NRN CA AND NWD ALONG THE OREGON COAST...WITHIN LARGER AREA OF
PRECIPITATION AS A FAIRLY POTENT LEAD WAVE WORKS ONSHORE ACROSS THIS
AREA AHEAD OF THE MAIN ERN PACIFIC TROUGH.
..GOSS.. 03/02/2009
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