SWODY2
SPC AC 121727
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1127 AM CST FRI NOV 12 2010
VALID 131200Z - 141200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
A HIGHLY-AMPLIFIED MID- AND UPPER-LEVEL FLOW PATTERN IS PROGGED
ACROSS THE U.S. DAY 2...AS A LARGE/SLOW-MOVING TROUGH -- CENTERED
OVER THE CENTRAL U.S. -- AND ASSOCIATED CYCLONIC FLOW FIELD PREVAILS
ACROSS A LARGE PORTION OF THE COUNTRY.
AT THE SURFACE...A DEEPENING LOW IS FORECAST TO SHIFT SLOWLY NNEWD
ACROSS THE UPPER MS VALLEY REGION...WHILE THE TRAILING COLD FRONT
CROSSES THE MS VALLEY AND MOVES INTO/ACROSS THE MIDWEST/MID
SOUTH/SOUTHEAST U.S. THROUGH THE PERIOD.
WHILE A NARROW RIBBON OF UPPER 50S TO LOW 60S DEWPOINTS IS FORECAST
AHEAD OF THE FRONT OVER THE LOWER MS VALLEY REGION...WARM
TEMPERATURES/WEAK LAPSE RATES ALOFT WILL HINDER ANY APPRECIABLE CAPE
DEVELOPMENT. FARTHER N...COOLER AIR ALOFT SHOULD REMAIN TO THE W OF
THE SURFACE FRONTAL POSITION WHICH...COMBINED WITH EVEN MORE LIMITED
PRE-FRONTAL MOISTURE...SUGGESTS ONLY WEAK CONVECTION AT BEST
ALONG/AHEAD OF THE FRONT.
ASIDE FROM A STRAY LIGHTNING STRIKE ASSOCIATED WITH THE CENTRAL U.S.
STORM SYSTEM...THUNDERSTORMS ARE NOT FORECAST ACROSS THE COUNTRY
THIS PERIOD.
..GOSS.. 11/12/2010
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