SWODY2
SPC AC 110655
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1255 AM CST WED JAN 11 2012
VALID 121200Z - 131200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
WITH AN INITIAL/WEAKENING UPPER SHORT-WAVE TROUGH -- AND ASSOCIATED
SURFACE SYSTEM -- MOVING OFF THE MID-ATLANTIC COAST AT THE START OF
THE PERIOD...A MUCH LARGER LOW/TROUGH WILL CONTINUE
EXPANDING/SHIFTING EWD ACROSS THE CENTRAL AND ERN CONUS. THIS
TROUGH -- AND A REINFORCING SURGE OF MUCH COLDER/DRIER AIR -- WILL
SHIFT ACROSS THE ERN THIRD OF THE COUNTRY THROUGH THE PERIOD...WITH
THE FRONT PROGGED TO SHIFT COMPLETELY OFFSHORE BY 13/12Z.
WITH THE INITIAL FRONTAL PASSAGE LIKELY TO HAVE STABILIZED THE ERN
U.S. AIRMASS...THE SECOND FRONTAL SURGE IS UNLIKELY TO RESULT IN
DEEP MOIST CONVECTION. THE LONE EXCEPTION COULD BE FAR S FL...WHERE
THE INITIAL FRONT MAY NOT HAVE CLEARED THE COAST PRIOR TO THE
SECOND/STRONGER FRONTAL PASSAGE. HOWEVER...ATTM IT APPEARS THAT
EVEN HERE...THUNDERSTORMS SHOULD BE CONFINED TO AREAS S OF THE KEYS.
..GOSS.. 01/11/2012
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