Sunday, January 25, 2009

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 250823
SWOD48
SPC AC 250823

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0223 AM CST SUN JAN 25 2009

VALID 281200Z - 021200Z

...DISCUSSION...
DETERMINISTIC/ENSEMBLE MODEL CONSENSUS SUGGESTS THE LARGE SCALE
PATTERN WILL AMPLIFY THROUGH THE MIDDLE/LATTER PART OF THE
WEEK...HIGHLIGHTED BY THE DEVELOPMENT OF A BROAD TROUGH EAST OF THE
ROCKIES THROUGH DAYS 4-6. INITIALLY...TSTMS WILL BE POSSIBLE ALONG
AN ADVANCING COLD FRONT ACROSS THE GULF COAST/SOUTHEAST STATES/FL
DAY 4/WEDNESDAY INTO DAY 5/THURSDAY. HOWEVER...WITH THE PRIMARY
LARGE SCALE FORCING LIKELY TO BE WELL NORTH OF THE REGION...IT SEEMS
PROBABLE THAT MODEST MOISTURE/WEAK INSTABILITY WILL CONSIDERABLY
LIMIT SEVERE POTENTIAL. THEREAFTER...IN THE WAKE OF THE SOUTHEAST
COLD FRONT...SURFACE HIGH PRESSURE/CONTINENTAL TRAJECTORIES WILL
LIKELY KEEP DEEP CONVECTIVE POTENTIAL MINIMAL DURING THE LATTER PART
OF THE WEEK.

..GUYER.. 01/25/2009

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