SWODY3
SPC AC 020714
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0214 AM CDT WED SEP 02 2009
VALID 041200Z - 051200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
MODELS INDICATE THAT A STRONG POLAR JET STREAK WILL CONTINUE TO NOSE
TOWARD THE PACIFIC NORTHWEST COAST DURING THIS PERIOD ...AROUND THE
BASE OF AN EVOLVING COLD LOW/UPPER TROUGH ACROSS THE NORTHEAST
PACIFIC. AS THIS OCCURS...DOWNSTREAM RIDGING IS PROGGED TO BUILD
EASTWARD ACROSS THE NORTHERN PLAINS/UPPER MISSISSIPPI VALLEY...TO
THE NORTH/WEST OF AN INCREASINGLY CUT-OFF AND WEAKENING MID-LEVEL
LOW OVER THE EAST CENTRAL PLAINS/OZARK PLATEAU. AS THE CIRCULATION
BECOMES MORE OR LESS STATIONARY... LOWER/MID TROPOSPHERIC FLOW
FIELDS ACROSS MUCH OF THE CENTRAL AND EASTERN U.S. ARE PROGGED TO
REMAIN OR BECOME QUITE WEAK...WHILE SIMILARLY WEAK FLOW PREVAILS
BENEATH MID-LEVEL RIDGING OVER THE ROCKIES AND SOUTHERN PLATEAU.
THESE TRENDS...COUPLED WITH DESTABILIZATION LIKELY LIMITED TO
GENERALLY WEAK TO MODERATE LEVELS ACROSS THE INTERMOUNTAIN
WEST/ROCKIES...SOUTHERN PLAINS/OZARK PLATEAU...AND FLORIDA
PENINSULA...SUGGEST THAT THE POTENTIAL FOR ORGANIZED STRONG/SEVERE
STORMS FRIDAY IS MINIMAL.
..KERR.. 09/02/2009
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