DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 260637
SWODY2
SPC AC 260636

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1236 AM CST TUE NOV 26 2013

VALID 271200Z - 281200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
AN AMPLIFIED LARGE-SCALE WAVE PATTERN WILL BE PRESENT ACROSS THE
CONUS...FEATURING A VIGOROUS UPPER TROUGH INITIALLY CENTERED FROM
THE GREAT LAKES SWD TOWARDS THE CENTRAL GULF COAST...AND AN UPPER
RIDGE OVER THE SOUTHWEST/GREAT BASIN. THE UPPER TROUGH IS FORECAST
TO RAPIDLY LIFT NEWD THROUGHOUT THE DAY AS AN ASSOCIATED JET
INTENSIFIES ALONG/E OF THE ATLANTIC COAST. AT THE SFC...DUAL LOW
PRESSURE CENTERS WILL INITIALLY EXIST...WITH ONE POSITIONED OVER
NC/VA AND ANOTHER APPROACHING SRN NEW ENGLAND. THE NRN LOW WILL
EVENTUALLY BECOME DOMINANT AND DEEPEN AS IT SHIFTS NWD INTO THE
EVENING. A MUCH DRIER AND COLDER AIR MASS WILL SPREAD EWD IN THE
WAKE OF AN ATTENDANT COLD FRONT.

...COASTAL NC AND FAR SERN VA...
A SWATH OF PRECIPITATION IS LIKELY TO BE ONGOING AT THE START OF THE
PERIOD ALONG AND AHEAD OF A COLD FRONT APPROACHING THE ATLANTIC
COAST. AN INLAND WARM SECTOR CHARACTERIZED BY MID-60S F DEWPOINTS
SHOULD SUPPORT MARGINAL SFC-BASED BUOYANCY ACROSS THE COASTAL
PLAIN/OUTER BANKS OF NC AND FAR SERN VA. GIVEN THE MAGNITUDE OF
LOW-LEVEL WIND SHEAR...A THREAT FOR A FEW STRONG-SVR GUSTS AND
PERHAPS AN ISOLATED TORNADO COULD LINGER THROUGH THE MORNING...BUT
IS EXPECTED TO BE SHORT-LIVED AS THE COLD FRONT QUICKLY SHIFTS
OFFSHORE.

..ROGERS.. 11/26/2013

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