

982 

WWUS20 KWNS 090145

SEL5

SPC WW 090145

ARZ000-LAZ000-MSZ000-TXZ000-090900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 265

NWS STORM PREDICTION CENTER NORMAN OK

840 PM CDT SUN JUN 8 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHERN ARKANSAS

  NORTHERN AND CENTRAL LOUISIANA

  WESTERN AND CENTRAL MISSISSIPPI

  NORTHEAST TEXAS



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 840 PM

  UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH

SOUTHWEST OF TEXARKANA ARKANSAS TO 40 MILES EAST OF GREENWOOD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 259...WW 261...WW

262...WW 263...WW 264...



DISCUSSION...WDLY SCTD TSTMS...INCLUDING A FEW SUSTAINED

STORMS/LOOSELY-ORGANIZED SUPERCELLS...EXPECTED TO PERSIST THROUGH

LATE TNGT IN MODESTLY STRONG BUT MOIST/CONFLUENT LOW-LVL SSW FLOW ON

SRN FRINGE OF DIFFUSE MCV OVER AR. AS THE MCV CONTINUES ENEWD...BAND

OF 40 KT 700-500 MB WSWLY WINDS ON ITS SRN FLANK WILL MAINTAIN

APPRECIABLE DEEP WSWLY SHEAR ALONG AND N OF

STALLED...SIMILARLY-ORIENTED OUTFLOW BOUNDARY/FRONT OVER THE REGION.

THIS SETUP MAY SUPPORT A CONDITIONAL RISK FOR SVR HAIL...LOCALLY

DMGG WIND..AND PERHAPS A TORNADO OR TWO. THE LATTER THREAT SHOULD BE

GREATEST ALONG OR JUST N OF OUTFLOW BOUNDARY.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 26025.





...CORFIDI

