Severe Storm Outlook Narrative (AC)
Issued by NWS

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000
ACUS01 KWNS 180044
SWODY1
SPC AC 180043

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0643 PM CST WED DEC 17 2014

VALID 180100Z - 181200Z

...NO SVR TSTM AREAS FORECAST...

...SUMMARY...
ISOLATED THUNDERSTORMS ARE POSSIBLE TONIGHT OVER PORTIONS OF THE
SOUTHERN PLAINS AND ARKLATEX REGIONS.  A FEW STORMS MAY FORM OVER
PARTS OF SOUTHERN ARIZONA EARLY THIS EVENING.

...SYNOPSIS...
A LARGER-SCALE UPPER TROUGH WILL REMAIN OVER THE WRN U.S. THROUGH
EARLY THURSDAY MORNING AND AN EMBEDDED SHORTWAVE TROUGH WILL QUICKLY
MOVE ACROSS OK AND INTO MO OZARKS BY DAYBREAK.  A RESIDUAL FRONTAL
ZONE LOCATED OVER THE WRN GULF OF MEXICO AND INTO PORTIONS OF THE
MIDDLE TX COAST IS FORECAST TO MOVE LITTLE OVERNIGHT.  WEAK ELEVATED
CAPE TO THE N OF THE BOUNDARY AND LOCATED WITHIN THE WARM CONVEYER
BELT /50 KT LLJ/ WILL SUPPORT AN INTERMITTENT THREAT FOR ISOLATED
THUNDERSTORMS FROM PARTS OF CNTRL TX NWD THROUGH ERN OK AND WRN AR
AND INTO SERN KS AND SWRN MO.

..SMITH.. 12/18/2014




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