SWOD48
SPC AC 230851
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CDT THU OCT 23 2008
VALID 261200Z - 311200Z
...DISCUSSION...
MEDIUM-RANGE MODELS REMAIN FAIRLY SIMILAR THROUGH ROUGHLY DAY 7
/WED. OCT. 29/...WITH A LARGE TROUGH RE-EXPANDING ACROSS THE ERN
HALF OF THE CONUS AND THEN DRIFTING SLOWLY EWD WITH TIME.
MEANWHILE...AN UPSTREAM RIDGE IS FORECAST TO SHIFT EWD ACROSS THE
ROCKIES INTO THE CENTRAL CONUS.
A STRONG COLD FRONT -- ACCOMPANYING THE EXPANDING ERN U.S. UPPER
TROUGH -- WILL SPREAD SEWD ACROSS THE ERN 2/3 OF THE CONUS DAYS 4-5
/SUN. OCT. 26 THROUGH MON. OCT 27/. HOWEVER...A PRIOR FRONT -- NOW
MOVING ACROSS THE CENTRAL GULF COAST REGION -- WILL HAVE USHERED IN
A COOLER/STABLE LOW-LEVEL AIRMASS...THUS LIMITING ANY
DESTABILIZATION POTENTIAL AHEAD OF THIS NEXT FRONT. THUS -- DESPITE
THE STRENGTH OF THIS UPPER SYSTEM AND ASSOCIATED COLD FRONT...SEVERE
WEATHER IS NOT ANTICIPATED.
..GOSS.. 10/23/2008
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