807
NOUS43 KMKX 202022
PNSMKX
WIZ046-047-051-052-056>060-062>072-210800-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
330 PM CDT MON APR 20 2026
..NWS DAMAGE SURVEYS FOR 4/14-4/17 TORNADO EVENTS
UPDATE
16 TOTAL TORNADOES DOCUMENTED FROM LAST WEEK'S 4 SEVERE
THUNDERSTORMS EVENTS LAST WEEK. ADDITIONAL SURVEYS WILL BE
LOOKING AT DAMAGE IN COLUMBIA, IOWA AND DANE COUNTIES AND COULD
ADD TO THE DOCUMENTED TORNADOES.
BEAVER DAM
RATING: EF0
ESTIMATED PEAK WIND: 85 MPH
PATH LENGTH /STATUTE/: 0.27 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 12:44 AM CDT
START LOCATION: 3 S BEAVER DAM / DODGE COUNTY / WI
START LAT/LON: 43.4134 / -88.8432
END DATE: 04/14/2026
END TIME: 12:45 AM CDT
END LOCATION: 3 S BEAVER DAM / DODGE COUNTY / WI
END LAT/LON: 43.4117 / -88.83840000000001
SURVEY SUMMARY:
BRIEF TORNADO STARTED SOUTH OF BEAVER DAM AND WENT THROUGH A
GARAGE NEAR SHAW HILL RD, WEST OF THE SHAW MARSH WILDLIFE AREA.
OTHER WIND DAMAGE WAS NOTED ON THE SOUTHERN SIDE OF THE TORNADO
PATH, ATTRIBUTED TO STRAIGHT LINE WINDS.
SUSSEX
RATING: EF2
ESTIMATED PEAK WIND: 120 MPH
PATH LENGTH /STATUTE/: 3.12 MILES
PATH WIDTH /MAXIMUM/: 150 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 06:24 PM CDT
START LOCATION: 2 ENE MERTON / WAUKESHA COUNTY / WI
START LAT/LON: 43.1466 / -88.2827
END DATE: 04/14/2026
END TIME: 06:28 PM CDT
END LOCATION: 1 NNW SUSSEX / WAUKESHA COUNTY / WI
END LAT/LON: 43.1459 / -88.221
SURVEY SUMMARY:
TORNADO APPEARED TO DEVELOP IN THE LISBON OAKS SUBDIVISION,
CAUSING MAINLY TREE DAMAGE BEFORE INTENSIFYING CLOSER TO HIGHWAY
164. TORNADO WAS AT IT'S MOST INTENSE NEAR INDIAN GRASS LANE
WHERE IT CAUSED DAMAGE AT MULTIPLE BUSINESSES. THE STRONGEST
DAMAGE WAS TO A INSURANCE CAR SHOP PORT THAT HAD A WELL ANCHORED
ROOF THAT WAS COMPLETELY BLOWN OFF AND FOUND APPROXIMATELY 3-
4 BLOCKS TO THE EAST NEAR HIGHWAY 164. DAMAGE THEN OCCURRED TO A
CHURCH NEAR WILDWOOD WAY AND MULTIPLE HOMES ALONG CONSERVANCY
COURT. TORNADO APPEARED TO END AROUND OR JUST TO THE EAST OF THE
BUTLER NATURE PRESERVE.
ENDEAVOR
RATING: EF1
ESTIMATED PEAK WIND: 109 MPH
PATH LENGTH /STATUTE/: 4.87 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 06:26 PM CDT
START LOCATION: 5 E BIG SPRING / MARQUETTE COUNTY / WI
START LAT/LON: 43.6504 / -89.5391
END DATE: 04/14/2026
END TIME: 06:32 PM CDT
END LOCATION: 2 S ENDEAVOR / MARQUETTE COUNTY / WI
END LAT/LON: 43.691 / -89.465
SURVEY SUMMARY:
TORNADO STARTED NEAR GROUSE RD EAST OF BRIGGSVILLE AND THEN
TRACKED TO THE NORTHEAST. THE WORST DAMAGE WAS TO AN ONION FARM
SOUTH OF COUNTY ROAD O. THE TORNADO THEN CROSSED I-39 AND
DISSIPATED NEAR COUNTY RD CX. STORM CHASER VIDEO AND PHOTOS
CONFIRM THE TORNADO.
EAST TROY
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 7.36 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 08:26 PM CDT
START LOCATION: 5 NNE ELKHORN / WALWORTH COUNTY / WI
START LAT/LON: 42.7395 / -88.4862
END DATE: 04/14/2026
END TIME: 08:34 PM CDT
END LOCATION: 4 SE EAST TROY / WALWORTH COUNTY / WI
END LAT/LON: 42.7443 / -88.3423
SURVEY SUMMARY:
TORNADO STARTED NW OF COUNTY RD ES, WEST OF I-43 SOUTH OF EAST
TROY WHERE IT HEAVILY DAMAGED TWO BARNS. CORN STUBBLE WAS NOTED
TO BE DEPOSITED FROM THE CORN FIELD TO THE WEST ALL ALONG A PATH
THROUGH A CEMETERY UP TO I-43. SOME TREE DAMAGE WAS NOTED AT THE
ALPINE VALLEY GOLF COURSE. THE TORNADO THEN MOVED ALONG COUNTY
ROAD D AND CAUSED ADDITIONAL DAMAGE TO SOME BARNS AND
OUTBUILDINGS ALONG WITH TREES. TORNADO ENDED SOMEWHERE SOUTH OF
COUNTY RD D AND NORTHWEST OF VALLEY VIEW RD.
WATERFORD
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 5.23 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 08:38 PM CDT
START LOCATION: 3 SE POTTER LAKE / RACINE COUNTY / WI
START LAT/LON: 42.7822 / -88.302
END DATE: 04/14/2026
END TIME: 08:44 PM CDT
END LOCATION: 1 E WATERFORD / RACINE COUNTY / WI
END LAT/LON: 42.763 / -88.2034
SURVEY SUMMARY:
TORNADO DEVELOPED NW OF HONEY CREEK RD AND THEN HIT A BARN ALONG
THE ROAD, SHIFTING IT OFF OF THE FOUNDATION. THE TORNADO THEN
CONTINUED SOUTHEAST TOWARD WATERFORD, REMOVING SHEET METAL FROM A
SHED ALONG BUENA PARK RD. THE TORNADO THEN CONTINUED THROUGH THE
NORTH SIDE AND DOWNTOWN WATERFORD WHERE MOST OF THE DAMAGE WAS TO
TREES AND HOUSES FROM THE TREES FALLING ON THEM. A FEW TREES
WERE NOTED TO HAVE BEEN LOFTED AND DROPPED INTO THE FOX RIVER.
THE TORNADO THEN CONTINUED THROUGH THE EAST SIDE OF WATERFORD
BEFORE ENDING NEAR HIGHWAY 36.
KANSASVILLE
RATING: EF0
ESTIMATED PEAK WIND: 80 MPH
PATH LENGTH /STATUTE/: 3.84 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 08:42 PM CDT
START LOCATION: 2 SE ROCHESTER / RACINE COUNTY / WI
START LAT/LON: 42.7152 / -88.1939
END DATE: 04/14/2026
END TIME: 08:48 PM CDT
END LOCATION: 1 N EAGLE LAKE / RACINE COUNTY / WI
END LAT/LON: 42.7279 / -88.1217
SURVEY SUMMARY:
SPORADIC DAMAGE PATH ALONG PLANK RD WITH MAINLY TREE DAMAGE.
SOME BARN/OUTBUILDING DAMAGE TO ROOF SHEET METAL PANELS IN
2 SPOTS.
SOMERS
RATING: EF1
ESTIMATED PEAK WIND: 105 MPH
PATH LENGTH /STATUTE/: 3.98 MILES
PATH WIDTH /MAXIMUM/: 150 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/14/2026
START TIME: 09:02 PM CDT
START LOCATION: 3 SSW STURTEVANT / KENOSHA COUNTY / WI
START LAT/LON: 42.6538 / -87.9302
END DATE: 04/14/2026
END TIME: 09:08 PM CDT
END LOCATION: 3 NW KENOSHA / KENOSHA COUNTY / WI
END LAT/LON: 42.6206 / -87.8663
SURVEY SUMMARY:
TORNADO BEGAN NW OF SOMERS EAST OF THE INTERSTATE. IT WENT
THROUGH THE NORTH AND EAST SIDE OF THE CITY, THROUGH THE FIRE
DEPARTMENT AND NEAR SOMERS ELEMENTARY SCHOOL.
ELKHORN
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 2.80 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/15/2026
START TIME: 09:01 PM CDT
START LOCATION: 4 NNW DELAVAN / WALWORTH COUNTY / WI
START LAT/LON: 42.6853 / -88.6442
END DATE: 04/15/2026
END TIME: 09:06 PM CDT
END LOCATION: 3 WSW ELKHORN / WALWORTH COUNTY / WI
END LAT/LON: 42.6653 / -88.5965
SURVEY SUMMARY:
TORNADO BEGAN WEST OF QUINNEY RD AND TRACKED TO THE SOUTHEAST,
HITTING 4 BARNS AS IT TRACKED ACROSS FARMLAND WEST OF ELKHORN.
EMERALD GROVE
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 14.94 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 05:57 PM CDT
START LOCATION: 5 SSE JANESVILLE / ROCK COUNTY / WI
START LAT/LON: 42.6148 / -88.9791
END DATE: 04/17/2026
END TIME: 06:27 PM CDT
END LOCATION: 7 S WHITEWATER / WALWORTH COUNTY / WI
END LAT/LON: 42.7268 / -88.736
SURVEY SUMMARY:
TORNADO PATH COLLABORATED ON VIA NWS STORM SURVEY AND STORM
CHASER REPORTS. THE TORNADO APPEARED TO BEGIN NORTH OF WOODMAN
RD NEAR COUNTY HIGHWAY J. MUCH OF THE WIND DAMAGE IN THIS AREA
APPEARED TO BE DUE TO STRAIGHT LINE WINDS OR THE REAR FLANK
DOWNDRAFT AS DEBRIS FROM FARMS AND IRRIGATION SYSTEMS WERE
WIDESPREAD AND DIRECTED TO THE SOUTHEAST. ONE TREE ALONG MAPLE
LN WAS SNAPPED HALFWAY UP THE TREE WITH THE TOP PART BEING LOFTED
OVER A BUILD AND TREES AND APPEARED TO BE THE ONLY TORNADIC
DAMAGE IN THE AREA. THE TORNADO THEN TRACKED TO THE NORTHEAST
THROUGH MAINLY OPEN FARMLAND UNTIL IT GOT TO EMERALD GROVE, WHERE
IT CAUSED BARN DAMAGE AND EXTENSIVE TREE DAMAGE. SHEET METAL
FROM THE FARM WAS LOFTED AND DEPOSITED TO THE NORTHEAST IN THIS
AREA. THE TORNADO CONTINUED NORTHEAST TOWARD RICHMOND AND WAS
DOCUMENTED BY STORM CHASERS. THE TORNADO APPEARED TO END
SOMEWHERE SOUTH OF LAKE LORRAINE.
DELAVAN 1
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 2.98 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 06:39 PM CDT
START LOCATION: 2 NNW DARIEN / WALWORTH COUNTY / WI
START LAT/LON: 42.6362 / -88.7222
END DATE: 04/17/2026
END TIME: 06:46 PM CDT
END LOCATION: 2 W DELAVAN / WALWORTH COUNTY / WI
END LAT/LON: 42.6322 / -88.6672
SURVEY SUMMARY:
THE TORNADO APPEARED TO START NORTH OF SCHOOL SECTION RD AND WEST
OF OLD 89 RD WITH MAINLY TREE DAMAGE GOING TO THE EAST-NORTHEAST.
THE TORNADO THEN TRACKED ALONG NEAR STATE ROAD 11 GOING EAST
TOWARD DELAVAN. ABOUT 4 FARMSTEADS HAD DAMAGE TO THEM, INCLUDING
ONE EMPTY SILO THAT WAS BLOWN DOWN FROM ABOUT HALFWAY UP. THE
TORNADO THEN CONTINUED EAST-SOUTHEAST ALONG HWY 11 AND ENDED NEAR
REDWOOD CT ON THE WEST SIDE OF DELAVAN WHERE IT CAUSED SOME TREE
DAMAGE.
DELAVAN 2
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 3.07 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 06:43 PM CDT
START LOCATION: 3 WNW DELAVAN / WALWORTH COUNTY / WI
START LAT/LON: 42.6509 / -88.6897
END DATE: 04/17/2026
END TIME: 06:46 PM CDT
END LOCATION: 2 NNW DELAVAN / WALWORTH COUNTY / WI
END LAT/LON: 42.6645 / -88.6396
SURVEY SUMMARY:
TORNADO APPEARED TO BEGIN ALONG TURTLE CREEK WEST OF KLUG RD AND
SOUTH OF COUNTY ROAD M. THE TORNADO DESTROYED AN OPEN FACING
BARN SHED ALONG KLUG RD. IT THEN TRACKED TO THE NORTHEAST AND
CAUSED DAMAGE TO 3 BARNS, A GARAGE AND A HOUSE ALONG COUNTY ROAD
P. IT THEN CONTINUED TO THE NORTHEAST AND CROSSED DAM RD BEFORE
ENDING NEAR TURTLE CREEK AGAIN.
HONEY LAKE
RATING: EF0
ESTIMATED PEAK WIND: 75 MPH
PATH LENGTH /STATUTE/: 1.85 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:22 PM CDT
START LOCATION: 4 WNW BURLINGTON / WALWORTH COUNTY / WI
START LAT/LON: 42.6982 / -88.3661
END DATE: 04/17/2026
END TIME: 07:25 PM CDT
END LOCATION: 3 W BURLINGTON / WALWORTH COUNTY / WI
END LAT/LON: 42.6855 / -88.335
SURVEY SUMMARY:
THE TORNADO BEGAN ALONG SPRING PRAIRIE ROAD AND MOVED TO THE
SOUTHEAST. THIS TORNADO HAD AN INTERMITTENT PATH WITH A FEW TREES
UPROOTED, SOME SHINGLES PEELED FROM THE SOUTH SIDE OF A ROOF,
ANOTHER ROOF PEELED BACK ON THE SOUTHEAST CORNER, AND SIDING
DAMAGE TO A GARAGE. THE TRACK CONTINUED TO THE SOUTHEAST WITH
SEVERAL LIMBS SNAPPED FROM THE TOPS OF TREES, ENDING NEAR OLD
COUNTY HIGHWAY DD NORTH OF HIGHWAY 11.
NW WATERFORD
RATING: EF0
ESTIMATED PEAK WIND: 70 MPH
PATH LENGTH /STATUTE/: 1.43 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:32 PM CDT
START LOCATION: 3 WNW WATERFORD NORTH / RACINE COUNTY / WI
START LAT/LON: 42.8096 / -88.2781
END DATE: 04/17/2026
END TIME: 07:36 PM CDT
END LOCATION: 2 NW WATERFORD NORTH / RACINE COUNTY / WI
END LAT/LON: 42.8134 / -88.2506
SURVEY SUMMARY:
TORNADO STARTED IN A MAINLY OPEN FIELD TO WEST OF HIGHWAY 83. A
FEW BRANCHES WERE DOWNED. ALONG THE INTERMITTENT PATH, MULTIPLE
TREES WERE DOWNED IN DIFFERENT DIRECTIONS. A PORT-A-POTTY WAS
DISPLACED AND PUSHED OVER. THE TORNADO CONTINUED TO NORTHEAST
INTO IN ACCESSIBLE FIELD. NO DAMAGE NOTED ALONG MARSH RD.
MUSKEGO LAKE
RATING: EF0
ESTIMATED PEAK WIND: 70 MPH
PATH LENGTH /STATUTE/: 0.62 MILES
PATH WIDTH /MAXIMUM/: 70 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:52 PM CDT
START LOCATION: 2 N WIND LAKE / WAUKESHA COUNTY / WI
START LAT/LON: 42.8548 / -88.1492
END DATE: 04/17/2026
END TIME: 07:55 PM CDT
END LOCATION: 2 SSW MUSKEGO / WAUKESHA COUNTY / WI
END LAT/LON: 42.8601 / -88.1394
SURVEY SUMMARY:
THE TORNADO BEGAN OVER A FARM FIELD WHERE A FEW SMALL LIMBS WERE
DOWNED. THE TORNADO CONTINUED TO THE NORTHEAST, SNAPPING A FEW
TREES AND DOWNING SEVERAL LARGE LIMBS. FURTHER TO THE NORTHEAST,
THE VIEW WAS NOT ACCESSIBLE WITH THE TORNADO ENDING SOUTHWEST OF
BIG MUSKEGO LAKE, SOUTH OF THE BIG MUSKEGO LAKE WILDLIFE AREA.
TMKE SOUTH
RATING: EF0
ESTIMATED PEAK WIND: 80 MPH
PATH LENGTH /STATUTE/: 3.67 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:55 PM CDT
START LOCATION: 5 ESE WIND LAKE / RACINE COUNTY / WI
START LAT/LON: 42.7898 / -88.0732
END DATE: 04/17/2026
END TIME: 08:00 PM CDT
END LOCATION: 4 S FRANKLIN / RACINE COUNTY / WI
END LAT/LON: 42.8298 / -88.0324
SURVEY SUMMARY:
TORNADO STARTED SOUTH OF THE TERMINAL DOPPLER RADAR AND WENT
JUST EAST OF IT. ENDED UP POSSIBLY MERGING THE THE ONGOING
TORNADO TO THE NORTH.
TMKE NORTH
RATING: EF1
ESTIMATED PEAK WIND: 100 MPH
PATH LENGTH /STATUTE/: 5.23 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:56 PM CDT
START LOCATION: 4 E WIND LAKE / RACINE COUNTY / WI
START LAT/LON: 42.8151 / -88.0808
END DATE: 04/18/2026
END TIME: 08:05 PM CDT
END LOCATION: 2 SSE FRANKLIN / MILWAUKEE COUNTY / WI
END LAT/LON: 42.8514 / -87.9912
SURVEY SUMMARY:
TORNADO STARTED NEAR 6 MILE RD WEST OF RAYNOR AVE AND TRACKED TO
THE NORTHEAST, ENDING IN SOUTHERN MILWAUKEE COUNTY. POSSIBLE
THAT THIS TORNADO MERGED WITH THE OTHER ONE DIRECTLY TO THE
SOUTH.
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES:
EF0.....65 TO 85 MPH
EF1.....86 TO 110 MPH
EF2.....111 TO 135 MPH
EF3.....136 TO 165 MPH
EF4.....166 TO 200 MPH
EF5.....>200 MPH
NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENTS AND PUBLICATION IN
NWS STORM DATA.
HALBACH/HEEREN/BMILLER/CRONCE/GAGAN/PATTERSON
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