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364 

WWUS20 KWNS 021917

SEL7

SPC WW 021917

LAZ000-MSZ000-030200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 387

NWS STORM PREDICTION CENTER NORMAN OK

215 PM CDT WED JUL 2 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL AND NORTHERN LOUISIANA

  WESTERN AND CENTRAL MISSISSIPPI



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 215 PM

  UNTIL 900 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EITHER SIDE OF A LINE FROM 15 MILES WEST OF FORT

POLK LOUISIANA TO 55 MILES EAST SOUTHEAST 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 384...WW 385...WW 386...



DISCUSSION...TSTMS NOW FORMING ALONG MCS OUTFLOW BOUNDARY IN NRN

LA/W CNTRL MS...AND IN APPARENT UPR-LVL DEFORMATION ZONE-INDUCED

AXIS OF CONFLUENCE FARTHER S...WILL HAVE ACCESS TO VERY STRONG

INSTABILITY AND RICH MOISTURE IN THE PRESENCE OF WEAK DEEP SHEAR

/REF MCD 1255/. SETUP MAY SUPPORT WDLY SCTD WET MICROBURSTS/POCKETS

OF DMGG WIND AS STORMS MERGE AND THE RESULTING CLUSTERS MOVE/DEVELOP

MAINLY SSE AND...EVENTUALLY...SSW THROUGH EARLY EVE.



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

TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM

MOTION VECTOR 32015.





...CORFIDI

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