

551 

WWUS20 KWNS 091642

SEL7

SPC WW 091642

ARZ000-LAZ000-MSZ000-100000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 267

NWS STORM PREDICTION CENTER NORMAN OK

1140 AM CDT MON JUN 9 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHERN AND EASTERN ARKANSAS

  NORTHERN LOUISIANA

  NORTHERN AND WEST-CENTRAL MISSISSIPPI



* EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1140 AM UNTIL

  700 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES WEST

SOUTHWEST OF EL DORADO ARKANSAS TO 15 MILES EAST OF GREENWOOD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



DISCUSSION...AN EAST-NORTHEASTWARD MOVING SQUALL LINE IS EXPECTED TO

INTENSIFY THIS AFTERNOON...WITH OTHER SEMI-DISCRETE STORMS/BRIEF

SUPERCELLS POSSIBLE AHEAD OF IT. THESE STORMS WILL BE SEMI-FOCUSED

ALONG A RESIDUAL /BUT MODIFYING/ WEST-EAST OUTFLOW BOUNDARY AND

ALONG A NORTHWARD-MOVING SYNOPTIC WARM FRONT. PRE-SQUALL LINE

HEATING AND MODERATE INSTABILITY WILL CONTRIBUTE TO A PRIMARY

POTENTIAL FOR DAMAGING WINDS.



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.





...GUYER

