Monday, March 8, 2010

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 080952
SWOD48
SPC AC 080951

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CST MON MAR 08 2010

VALID 111200Z - 161200Z

...DISCUSSION...
WITH THE BROAD/CLOSED UPPER TROUGH LIKELY TO INITIALLY REMAIN
CENTERED OVER THE MIDWEST...SOME SEVERE THREAT COULD CONTINUE INTO
DAY 4/THURSDAY ACROSS PORTIONS OF THE SOUTHEAST STATES/FL VICINITY.
HOWEVER...A WIDESPREAD/APPRECIABLE SEVERE THREAT IS NOT CURRENTLY
ANTICIPATED AS PRE-COLD FRONTAL CONVECTION AND/OR MARGINALLY
MOIST/UNSTABLE WARM SECTOR BECOMES INCREASINGLY REMOVED FROM THE
STRONGER HEIGHT FALLS/FLOW ALOFT. AS THE MS VALLEY CENTERED UPPER
TROUGH BECOMES MORE PROGRESSIVE AND MID/UPPER FLOW STRENGTHENS OVER
THE GULF COAST REGION/SOUTHEAST STATES ON DAY 5/FRIDAY...A SEVERE
THREAT MAY EXIST ACROSS THE FL PENINSULA. HOWEVER...LIMITED
PREDICTABILITY AT THIS JUNCTURE PRECLUDES CONSIDERATION OF 30% DAY-1
EQUIVALENT SEVERE PROBABILITIES. THEREAFTER...A POTENTIALLY DEEP
FRONTAL PENETRATION ACROSS THE GULF OF MEXICO IMPLIES LIMITED
PROSPECTS FOR DEEP MOIST CONVECTION THROUGH THE WEEKEND ACROSS THE
CONUS.

..GUYER.. 03/08/2010

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