Tuesday, October 12, 2010

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 120505
SWODY2
SPC AC 120504

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1204 AM CDT TUE OCT 12 2010

VALID 131200Z - 141200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

UPPER PATTERN WILL BEGIN A STATE OF TRANSITION FROM SPLIT FLOW TO A
GRADUAL AMPLIFICATION OF LARGE SCALE TROUGH OVER THE ERN U.S. AND
EVENTUAL PHASING OF THE NRN AND SRN STREAMS. UPPER LOW OVER THE GULF
COAST STATES WEDNESDAY MORNING WILL DEAMPLIFY AND ACCELERATE OFF THE
GA COAST IN RESPONSE TO AN AMPLIFYING UPSTREAM WAVE. AT THE SURFACE
A BAROCLINIC ZONE WILL EXTEND FROM THE CAROLINAS NWWD INTO THE TN/OH
VALLEY REGION. FARTHER WEST A COLD FRONT WILL ADVANCE SEWD THROUGH
THE GREAT LAKES...OH...TN AND LOWER MS VALLEYS.

...OH AND TN VALLEY INTO THE CAROLINAS...

SCATTERED CONVECTION INCLUDING A FEW THUNDERSTORMS MAY OCCUR IN
ASSOCIATION WITH NRN STREAM IMPULSE AND SEWD ADVANCING FRONT FROM
THE GREAT LAKES SWD INTO THE OH VALLEY...AS WELL AS WITHIN FRONTAL
ZONE FROM THE CAROLINAS WWD INTO THE OH/TN VALLEY. WITH OFFSHORE
FLOW BECOMING ESTABLISHED OVER THE GULF...MOISTURE AND INSTABILITY
WILL REMAIN LIMITED WITH LOW SEVERE POTENTIAL.

..DIAL.. 10/12/2010

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