DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 050858
SWODY3
SPC AC 050856

DAY 3 CONVECTIVE OUTLOOK RESENT 1
NWS STORM PREDICTION CENTER NORMAN OK
0256 AM CST THU DEC 05 2013

VALID 071200Z - 081200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
AN EXTENSIVE BELT OF STRONG SWLY MID AND UPPER LEVEL FLOW WILL
PERSIST BETWEEN BROAD ANTICYCLONE ACROSS THE SUBTROPICS/GULF AND
SOUTHEAST ATLANTIC AND THE NEXT TROUGH TO SPREAD OVER THE WRN U.S.
THE POSITIVE-TILT NATURE OF THE STRONG LARGE SCALE TROUGH ACROSS THE
NRN AND CNTRL U.S. WILL ACT TO MAINTAIN THE SW-NE ORIENTED POLAR
FRONT FROM THE NWRN GULF TO OFF THE SOUTHEAST COAST.

LATE SATURDAY AND INTO EARLY SUNDAY...AS HEIGHT FALLS AND TROUGH
AMPLIFICATION DEVELOP OVER THE FOUR CORNERS AND INTERMOUNTAIN
WEST...LIFT ALONG AND ACROSS THE POLAR FRONT WILL LIKELY STRENGTHEN
FROM THE NWRN GULF INLAND TO THE ARKLATEX AND LOWER MS VALLEY. WARM
MOIST AIR BEING LIFTED ATOP THE SURFACE-BASED COLD DOME IN THESE
AREAS MAY BE SUFFICIENT FOR ISOLATED CONVECTION WITH SPORADIC
LIGHTNING FROM THE TX/LA GULF COAST INLAND...PRIMARILY DURING THE
LATTER HALF OF THE FORECAST PERIOD. GIVEN LACK OF ANY APPRECIABLE
SURFACE-BASED INSTABILITY...SEVERE STORM POTENTIAL WILL REMAIN LOW.

..CARBIN.. 12/05/2013

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