SWODY3
SPC AC 160800
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0200 AM CST FRI NOV 16 2007
VALID 181200Z - 191200Z
..NO SVR TSTM AREAS FORECAST...
..SYNOPSIS...
UPPER FLOW PATTERN IS FORECAST TO SLOWLY DECREASE IN AMPLITUDE OVER
THE U.S. THIS PERIOD -- DESPITE A TROUGH FORECAST TO REACH THE W
COAST LATE -- AS THE TROUGH CROSSING THE ERN HALF OF THE COUNTRY
WEAKENS SLOWLY WITH TIME. THIS SHOULD RESULT IN A RELATIVELY LARGE
AREA -- FROM THE ROCKIES INTO THE PLAINS -- EXPERIENCING FAST BUT
QUASI-ZONAL MID-LEVEL FLOW.
AT THE SURFACE...FRONT MOVING SEWD ACROSS THE MID-ATLANTIC REGION/TN
AND MID MS VALLEYS/SRN PLAINS SHOULD WEAKEN AND BECOME
QUASI-STATIONARY THROUGH THE PERIOD. FAIRLY MOIST BOUNDARY LAYER
FROM PARTS OF TX INTO THE LOWER MS VALLEY REGION SHOULD SUPPORT WEAK
DIURNAL DESTABILIZATION AND THE POTENTIAL FOR SHOWERS AND SCATTERED
THUNDERSTORMS. HOWEVER...OVERALL LACK OF SHEAR -- PARTICULARLY
ACROSS TX WHERE GREATEST INSTABILITY IS ANTICIPATED -- SUGGESTS
LITTLE SEVERE POTENTIAL.
.GOSS.. 11/16/2007
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