

799 

WWUS20 KWNS 130257

SEL7

SPC WW 130257

IAZ000-MNZ000-WIZ000-130900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 407

NWS STORM PREDICTION CENTER NORMAN OK

1000 PM CDT SUN JUL 12 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEASTERN IOWA

  SOUTH-CENTRAL AND SOUTHEASTERN MINNESOTA

  WESTERN WISCONSIN



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1000 PM

  UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80

    MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...SEVERE COMPLEX OF THUNDERSTORMS WILL PROCEED SOUTHEASTWARD

ACROSS THE WATCH AREA ON EITHER SIDE OF A WELL-DEFINED

FRONT...OFFERING MAINLY DAMAGING GUSTS.  SEE SPC MESOSCALE

DISCUSSION 1385 FOR METEOROLOGICAL DETAILS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85

STATUTE MILES EITHER SIDE OF A LINE FROM 40 MILES NORTH NORTHWEST

OF MINNEAPOLIS MINNESOTA TO 50 MILES SOUTH OF LA CROSSE

WISCONSIN.  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...THIS SEVERE THUNDERSTORM WATCH REPLACES

TORNADO WATCH NUMBER 406. WATCH NUMBER 406 WILL NOT BE IN EFFECT

AFTER 1000 PM CDT. CONTINUE...WW 405...



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

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

MOTION VECTOR 32035.





...EDWARDS

