DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 170703
SWODY3
SPC AC 170702

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0202 AM CDT THU OCT 17 2013

VALID 191200Z - 201200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

BROAD UPPER TROUGH WILL PERSIST OVER THE ERN TWO THIRDS OF THE U.S.
SATURDAY. A SHORTWAVE TROUGH EMBEDDED WITHIN THE BASE OF THE
SYNOPTIC TROUGH WILL EJECT FROM THE MID MS VALLEY AT THE BEGINNING
OF THE PERIOD INTO THE NERN STATES SATURDAY NIGHT. QUASI-STATIONARY
FRONT SHOULD EXTEND FROM NEAR THE CAROLINA COASTS SWWD THROUGH THE
NRN GULF COASTAL REGION INTO S TX EARLY SATURDAY. A COLD FRONT
INITIALLY FORM THE GREAT LAKES SWWD INTO SRN TX WILL CONTINUE EWD
AND SEWD...EVENTUALLY MERGING WITH THE STATIONARY FRONT AS IT
CONTINUES THROUGH S TX DURING THE MORNING AND OFF THE ATLANTIC
SEABOARD SATURDAY NIGHT.

...S TX THROUGH SRN GULF COASTAL STATES INTO THE CAROLINA COASTAL
REGIONS...

SCATTERED CONVECTION /SOME WITH VERY LITTLE LIGHTNING/ MAY BE
ONGOING ALONG SEWD ADVANCING FRONT ACROSS SRN TX AND FARTHER NORTH
ALONG THE GULF COASTAL REGION AND CAROLINA COASTS WITHIN ZONE OF
ISENTROPIC ASCENT NORTH OF QUASI-STATIONARY FRONT. DESPITE PRESENCE
OF MODERATE-STRONG UNIDIRECTIONAL SHEAR...THE RICHER GULF MOISTURE
WILL LIKELY REMAIN OFFSHORE RESULTING IN A MARGINAL THERMODYNAMIC
ENVIRONMENT INLAND.

..DIAL.. 10/17/2013

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