SWODY3
SPC AC 110657
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0157 AM CDT SAT OCT 11 2008
VALID 131200Z - 141200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
THE LARGE UPPER TROUGH EXTENDING FROM THE CANADIAN PRAIRIE SSWWD
INTO THE DESERT SW IS FORECAST TO SEPARATE INTO TWO DISTINCT
FEATURES THIS PERIOD -- THE NRN FEATURE MOVING EWD ACROSS THE
CANADIAN PRAIRIE/NRN PLAINS TOWARD THE UPPER GREAT LAKES...AND THE
SRN FEATURE LINGERING OVER THE SOUTHWEST AS AN INCREASINGLY-CUTOFF
LOW.
AT THE SURFACE...A COLD FRONT WILL CONTINUE MOVING EWD ACROSS THE
PLAINS/MS VALLEY...AND SEWD ACROSS THE SRN PLAINS THROUGH THE
PERIOD.
...PARTS OF E CENTRAL AND SERN NM AND ADJACENT PARTS OF W TX...
COMBINATION OF MARGINAL INSTABILITY AND MODEST SHEAR INVOF THE
TRAILING END OF THE SURFACE FRONTAL ZONE SHOULD SUPPORT SCATTERED
AFTERNOON STORM DEVELOPMENT -- PARTICULARLY TO THE COOL SIDE OF THE
BOUNDARY. WHILE OVERALL SEVERE THREAT APPEARS LIMITED ATTM GIVEN
MARGINAL ENVIRONMENT...A FEW STRONGER CELLS MAY PRODUCE
HAIL/LOCALLY-GUSTY WINDS DURING THE AFTERNOON/EARLY EVENING.
..GOSS.. 10/11/2008
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