SWODY3
SPC AC 170724
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0124 AM CST SAT NOV 17 2007
VALID 191200Z - 201200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
WHILE AN UPPER TROUGH VACATES THE ERN U.S. AND A SECOND MOVES ACROSS
SRN CANADA AND THE GREAT LAKES REGION...A LARGER TROUGH IS FORECAST
TO MOVE ACROSS THE ROCKIES/INTERMOUNTAIN WEST THROUGH THE PERIOD.
AT THE SURFACE...A LOW IS FORECAST TO MOVE SEWD OUT OF THE ROCKIES
INTO THE CENTRAL PLAINS...WITH WEAK WARM ADVECTION/SLY LOW-LEVEL
FLOW FORECAST AHEAD OF THE LOW ACROSS THE CENTRAL AND SRN PLAINS.
WHILE MODELS DIFFER WITH RESPECT TO LOCATION AND INTENSITY OF THE
SURFACE LOW LATE IN THE PERIOD...COLD AIR IS EXPECTED TO BEGIN
SPREADING SEWD ACROSS THE ROCKIES INTO THE PLAINS.
IN ANY CASE...MODEST WARM/MOIST ADVECTION WITHIN THE WARM SECTOR
SHOULD PROVE INSUFFICIENT FOR APPRECIABLE DESTABILIZATION...WITH ANY
SURFACE-BASED CONVECTIVE POTENTIAL CONFINED TO THE WRN GULF COAST
REGION.
.GOSS.. 11/17/2007
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