

321 

WWUS20 KWNS 062216

SEL9

SPC WW 062216

IAZ000-MNZ000-WIZ000-LMZ000-070600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 469

NWS STORM PREDICTION CENTER NORMAN OK

520 PM CDT TUE SEP 6 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEASTERN IOWA

  EXTREME SOUTHEASTERN MINNESOTA

  CENTRAL AND SOUTHERN WISCONSIN

  LAKE MICHIGAN



* EFFECTIVE THIS TUESDAY AFTERNOON AND WEDNESDAY MORNING FROM 520

  PM UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...SEVERE-THUNDERSTORM POTENTIAL SHOULD CONTINUE ACROSS THIS

AREA THROUGH THE EVENING AS EXISTING AND ADDITIONAL STORMS CROSS A

FAVORABLE PARAMETER SPACE FOR DAMAGING WINDS AND SPORADIC HAIL;

ALSO...A TORNADO CANNOT BE RULED OUT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH OF LA

CROSSE WISCONSIN TO 30 MILES NORTH NORTHEAST OF OSHKOSH

WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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.



&&



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 27030.





...EDWARDS

