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WWUS20 KWNS 122226

SEL6

SPC WW 122226

IAZ000-MNZ000-SDZ000-WIZ000-130600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 406

NWS STORM PREDICTION CENTER NORMAN OK

520 PM CDT SUN JUL 12 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHWESTERN AND NORTH-CENTRAL IOWA

  CENTRAL AND SOUTHERN MINNESOTA

  EXTREME EASTERN SOUTH DAKOTA

  EXTREME WESTERN WISCONSIN



* EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 520 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES POSSIBLE

  WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS

    TO 80 MPH POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3

    INCHES IN DIAMETER POSSIBLE



SUMMARY...COMBINATION OF:

1. EXISTING SEVERE THUNDERSTORMS IN THE SOUTHERN PART OF SPC WATCH

405 AND

2. ADDITIONAL DEVELOPMENT OVER NORTHEASTERN SOUTH DAKOTA

...IS EXPECTED TO RESULT IN AN INITIAL THREAT OF SUPERCELLS FROM

THOSE AREAS INTO WESTERN MINNESOTA.  DAMAGING HAIL...SEVERE GUSTS

AND A FEW TORNADOES ARE EXPECTED.  WITH TIME...STORMS SHOULD MERGE

AND GROW INTO A LARGE BOWING COMPLEX...OFFERING MAINLY DAMAGING

WIND...WITH SOME GUSTS LOCALLY REACHING HURRICANE FORCE.  SUCH

STORMS STILL MAY POSE A RISK OF A TORNADO OR TWO AS WELL AS ISOLATED

LARGE HAIL...AS THEY CROSS MUCH OF SOUTHERN MINNESOTA AND EVENTUALLY

PARTS OF WESTERN WISCONSIN AND NORTHERN IOWA.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 120 STATUTE

MILES EITHER SIDE OF A LINE FROM 15 MILES NORTH NORTHEAST OF

ALEXANDRIA MINNESOTA TO 60 MILES SOUTHWEST OF ROCHESTER

MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 405...



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

650. MEAN STORM MOTION VECTOR 30030.





...EDWARDS

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