

837 

WWUS20 KWNS 060041

SEL3

SPC WW 060041

IAZ000-MNZ000-SDZ000-060700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 393

NWS STORM PREDICTION CENTER NORMAN OK

745 PM CDT SUN JUL 5 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EXTREME NORTHWEST IOWA

  SOUTHWEST AND CENTRAL MINNESOTA

  EASTERN SOUTH DAKOTA



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 745 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE



SUMMARY...THUNDERSTORMS WILL INCREASE IN COVERAGE/INTENSITY THIS

EVENING ALONG A COLD FRONT FROM NE SD INTO CENTRAL MN...WHERE SOME

OF THE INITIAL STORMS COULD HAVE SUPERCELL STRUCTURES WITH AN

ATTENDANT RISK FOR LARGE HAIL.  LATER THIS EVENING AND

OVERNIGHT...STORMS WILL GROW INTO A LINE...WITH OTHER STORMS

EXPECTED TO MOVE INTO E/SE SD FROM THE W.  DAMAGING WINDS WILL BE

THE PRIMARY RISK WITH THESE STORMS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTHWEST

OF MITCHELL SOUTH DAKOTA TO 35 MILES NORTHEAST OF SAINT CLOUD

MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 391...WW 392...



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 550. MEAN STORM

MOTION VECTOR 28025.





...THOMPSON

