DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 200550
SWODY2
SPC AC 200549

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1249 AM CDT SUN OCT 20 2013

VALID 211200Z - 221200Z

...NO SVR TSTM AREAS FORECAST...

AN UPPER-LEVEL TROUGH IS FORECAST TO MOVE ACROSS THE SRN PLAINS ON
MONDAY AS A COLD FRONT ADVANCES SEWD ACROSS CNTRL AND NE TX. AHEAD
OF THE FRONT FROM THE TX HILL COUNTRY SEWD TO THE LOWER TX
COAST...SFC DEWPOINTS SHOULD BE IN THE 60S F AND A POCKET OF
MODERATE INSTABILITY MAY DEVELOP BY MONDAY AFTERNOON. THE MODELS
SUGGEST THAT SCATTERED THUNDERSTORMS WILL INITIATE ALONG THE FRONT
AND MOVE SEWD ACROSS THE TX COASTAL PLAINS DURING THE LATE AFTERNOON
AND EARLY EVENING. IN SPITE OF THE MODERATE INSTABILITY...THE
STEEPER MID-LEVEL LAPSE RATES ARE FORECAST TO REMAIN OVER NRN
MEXICO. IN ADDITION...THE STRONGER DEEP LAYER SHEAR IS FORECAST TO
BE OFF THE TX COAST SUGGESTING THAT THE POTENTIAL FOR ORGANIZED
STORMS REMAINS LOW ACROSS CNTRL AND SOUTH TX.

ELSEWHERE...ISOLATED THUNDERSTORM DEVELOPMENT MAY TAKE PLACE ACROSS
SRN AND CNTRL FL MONDAY AFTERNOON. THE COMBINATION OF INSTABILITY
AND SHEAR IS NOT EXPECTED TO SUPPORT SEVERE THUNDERSTORM DEVELOPMENT
IN SRN AND CNTRL FL.

..BROYLES.. 10/20/2013

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