

216 

WWUS20 KWNS 281835

SEL5

SPC WW 281835

IAZ000-ILZ000-MNZ000-MOZ000-WIZ000-290200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 225

NWS STORM PREDICTION CENTER NORMAN OK

135 PM CDT SAT MAY 28 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN IOWA

  WEST-CENTRAL AND NORTHWESTERN ILLINOIS

  SOUTHEASTERN MINNESOTA

  NORTHEAST MISSOURI

  SOUTHWEST WISCONSIN



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 135 PM UNTIL

  900 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORMS IN SHORT LINES AND CLUSTERS...SOME OF WHICH

COULD PRODUCE LOCALLY DAMAGING WIND AND HAIL...EXPECTED TO DEVELOP

AND MOVE GENERALLY NORTHEAST ACROSS EASTERN IOWA INTO ADJACENT PARTS

OF ILLINOIS...WISCONSIN...AND SOUTHEAST MINNESOTA THROUGH THIS

EVENING. A LOW RISK ALSO WILL EXIST FOR A TORNADO OR TWO...MAINLY IN

NORTHERN PART OF WATCH.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF

LA CROSSE WISCONSIN TO 45 MILES SOUTHEAST OF BURLINGTON IOWA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 22025.





...CORFIDI

