SWODY3
SPC AC 180630
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0130 AM CDT SAT OCT 18 2008
VALID 201200Z - 211200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
PROGRESSIVE LARGE SCALE FLOW REGIME WILL CONTINUE INTO DAY 3/MONDAY.
AN UPPER TROUGH WILL DEEPEN CONSIDERABLY ESPECIALLY THE LATTER HALF
OF THE PERIOD ACROSS THE PACIFIC NORTHWEST/INTERMOUNTAIN
WEST...WHILE SEVERAL LEADING/LOW AMPLITUDE IMPULSES TRANSITION
EASTWARD FROM THE SOUTHERN ROCKIES TO THE CENTRAL/SOUTHERN PLAINS.
THIS SHOULD LEAD TO A MODEST UPSWING IN TSTM PROBABILITIES ACROSS
PORTIONS OF THE ROCKIES AND ADJACENT HIGH PLAINS FOR
MONDAY...ALTHOUGH THE POTENTIAL FOR SEVERE TSTMS SHOULD REMAIN
RATHER LIMITED.
...SOUTHEAST CO/NORTHEAST NM...
AMIDST A POST-FRONTAL LOW LEVEL UPSLOPE REGIME...A FEW STRONGER
TSTMS MAY OCCUR ACROSS SOUTHEAST CO/NORTHEAST NM MONDAY
AFTERNOON/EARLY EVENING. VEERING WIND PROFILES/STEEP MID LEVEL LAPSE
RATES WOULD CONDITIONALLY SUPPORT WELL-ORGANIZED TSTMS WITH A RISK
FOR SEVERE HAIL. HOWEVER...CONSIDERABLE CONCERNS REGARDING THE
QUALITY OF BOUNDARY LAYER MOISTURE AND POTENTIAL FOR CAPPING ACROSS
THE PLAINS PRECLUDES SEVERE PROBABILITIES AT THIS TIME.
..GUYER.. 10/18/2008
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