SWOD48
SPC AC 290958
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CST TUE DEC 29 2009
VALID 011200Z - 061200Z
...DISCUSSION...
SIMILAR TO THE DAY 3 SCENARIO...EARLY PERIOD SEVERE POTENTIAL ACROSS
SOUTH FL WITH AN EXITING COLD FRONT WILL LIKELY BE VERY LOW ON DAY
4/FRIDAY. THEREAFTER...LATEST MEDIUM RANGE GUIDANCE IMPLIES A VERY
QUIET PATTERN FOR DEEP CONVECTION/TSTMS CONUS-WIDE INTO THE EARLY
PART OF NEXT WEEK. THIS WILL LARGELY BE ATTRIBUTABLE TO THE
REAMPLIFICATION OF A LONGWAVE TROUGH OVER THE EASTERN STATES LATE
THIS WEEKEND/EARLY NEXT WEEK...WITH THE PREVALENCE OF COLD
CONTINENTAL TRAJECTORIES/SURFACE HIGH PRESSURE AND/OR REINFORCING
FRONTAL PENETRATIONS ACROSS THE GULF.
..GUYER.. 12/29/2009
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