SWODY1
SPC AC 120526
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1126 PM CST SUN NOV 11 2007
VALID 121200Z - 131200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
WEAK UPPER SHORT-WAVE TROUGH INITIALLY OVER THE SRN PLAINS IS
FORECAST TO MOVE EWD ACROSS THE SERN CONUS...WHILE UPPER CUT-OFF LOW
INITIALLY INVOF BAJA SHOULD MOVE SWD JUST W OF THE BAJA COAST.
MEANWHILE FURTHER N...A SHORT-WAVE TROUGH IS FORECAST TO MOVE OUT OF
THE ROCKIES AND ACROSS THE PLAINS -- EVENTUALLY APPROACHING THE MID
MS VALLEY BY THE END OF THE PERIOD.
AT THE SURFACE...A COLD FRONT IS FORECAST TO MOVE ESEWD ACROSS THE
LOWER GREAT LAKES/UPPER OH VALLEY REGION...AND EVENTUALLY INTO NEW
ENGLAND. MEANWHILE...THIS FRONT SHOULD MOVE MUCH MORE SLOWLY SSEWD
ACROSS THE LOWER OH/MID MS VALLEYS...AND SWD INTO THE SRN PLAINS
THROUGH 13/12Z.
..NERN TX/NWRN LA NEWD ACROSS THE OZARKS INTO THE OH VALLEY...
SHOWERS AND SCATTERED THUNDERSTORMS ARE FORECAST TO INCREASE DURING
THE FIRST HALF OF THE PERIOD FROM PARTS OF NERN TX AND OK INTO THE
OZARKS AS UPPER SHORT-WAVE TROUGH CROSSES THIS REGION.
LATER...CONVECTION SHOULD SPREAD ENEWD INTO THE OH VALLEY
REGION...AHEAD OF SECOND SHORT-WAVE TROUGH MOVING SEWD ACROSS THE
PLAINS. COMBINATION OF MARGINAL INSTABILITY ACROSS THIS REGION AND
GENERALLY WEAK SHEAR SUGGESTS LITTLE IF ANY SEVERE POTENTIAL.
.GOSS.. 11/12/2007
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