

973 

WWUS20 KWNS 070423

SEL6

SPC WW 070423

SDZ000-070900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 396

NWS STORM PREDICTION CENTER NORMAN OK

1125 PM CDT SUN JUL 6 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTH CENTRAL SOUTH DAKOTA



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1125 PM

  UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTH OF

MOBRIDGE SOUTH DAKOTA TO 85 MILES EAST OF MOBRIDGE SOUTH DAKOTA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 395...



DISCUSSION...PERSISTENT CLUSTER OF INTENSE THUNDERSTORMS OVER SOUTH

CENTRAL ND WILL CONTINUE TO TRACK SOUTHEASTWARD ACROSS THE WATCH

AREA OVERNIGHT.  STORMS HAVE SHOWN SOME SIGNS OF WEAKENING...BUT

DEGREE OF MESOSCALE ORGANIZATION MAY MAINTAIN A THREAT OF LOCALLY

DAMAGING WINDS AND HAIL FOR ANOTHER FEW HOURS.



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 31045.





...HART

