DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 221634
SWODY2
SPC AC 221633

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1133 AM CDT SAT MAR 22 2014

VALID 231200Z - 241200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A PROGRESSIVE SHORTWAVE TROUGH WILL QUICKLY MOVE FROM THE UPPER MS
VALLEY EWD ACROSS THE GREAT LAKES/OH VALLEY DURING THE DAY AND
ACROSS NEW ENGLAND OVERNIGHT. AT THE SURFACE...A COOL AIR MASS WILL
SPREAD SEWD ACROSS THE CNTRL AND ERN STATES BEHIND A COLD FRONT THAT
WILL EXTEND ROUGHLY FROM BROWNSVILLE TX TO COLUMBIA SC AT 21Z. THIS
FRONT WILL QUICKLY ERODE ANY INSTABILITY ACROSS SRN TX AS IT SURGES
SWD...WITH ONLY WEAK/ELEVATED THUNDERSTORMS POSSIBLE FROM TX INTO
THE LOWER MS VALLEY. TO THE E...DAYTIME STORMS WILL BE POSSIBLE NEAR
THE COLD FRONT ACROSS GA/SC/NRN FL...WHERE STORM STRENGTH SHOULD
ALSO BE LOW.

...SRN GA...
A COLD FRONT WILL MOVE SEWD ACROSS THE ERN CAROLINAS AND GA DURING
THE DAY AS THE PRIMARY UPPER TROUGH ENERGY PASSES TO THE N. A
WELL-MIXED BOUNDARY LAYER SHOULD MATERIALIZE AHEAD OF THE COLD FRONT
WITH STRONG HEATING. MOISTURE WILL LIKELY BE MEAGER GIVEN THE
ANTECEDENT AIR MASS AS WELL AS STRONG MIXING DUE TO INCREASING WLY
LOW-LEVEL FLOW. FORCING FOR ASCENT ALONG THE FRONT WILL LIKELY
RESULT IN FAST MOVING SHOWERS AND A FEW
THUNDERSTORMS...HOWEVER...POOR LARGE SCALE SUPPORT IN COMBINATION
WITH THE WEAK INSTABILITY SHOULD RESULT IN ONLY NON-SEVERE ACTIVITY.

..JEWELL.. 03/22/2014

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