

227 

WWUS20 KWNS 140315

SEL5

SPC WW 140315

ARZ000-MOZ000-OKZ000-TXZ000-140900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 665

NWS STORM PREDICTION CENTER NORMAN OK

1015 PM CDT SAT OCT 13 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL ARKANSAS

       SOUTH CENTRAL MISSOURI

       EXTREME SOUTHEAST OKLAHOMA

       NORTHEAST TEXAS



EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1015 PM

UNTIL 400 AM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF WEST

PLAINS MISSOURI TO 40 MILES SOUTH OF DE QUEEN ARKANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 664...



DISCUSSION...A BAND OF STRONG/SEVERE THUNDERSTORMS EXTENDS FROM

SOUTHWEST MO/NORTHWEST AR INTO SOUTHEAST OK/NORTHEAST TX.  THESE

STORMS WILL TRACK EAST-NORTHEASTWARD TONIGHT ACROSS THE WATCH AREA.

SLOW AIRMASS STABILIZATION IS OCCURRING WHICH SHOULD TEND OF ALLOW

THE STORMS TO LOSE INTENSITY.  HOWEVER...STRONG WIND FIELDS AND AN

APPROACHING UPPER TROUGH MAY PROVIDE A CONTINUED THREAT OF LOCALLY

DAMAGING WIND GUSTS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 25035.





...HART

