760
NOUS43 KDVN 190601
PNSDVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-191815-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
101 AM CDT SUN APR 19 2026
...NWS DAMAGE SURVEY FOR 04/17/2026 TORNADOES AND STRAIGHT LINE
WIND...
UPDATE
IN COORDINATION WITH EMERGENCY MANAGEMENT, AN NWS STORM
SURVEY IN MCDONOUGH AND HANCOCK COUNTIES FOUND EVIDENCE OF TWO
TORNADOES AND SWATHS OF STRAIGHT LINE WIND DAMAGE THAT OCCURRED ON
FRIDAY, APRIL 17TH.
DENVER ILLINOIS TORNADO
RATING: EF-1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH /STATUTE/: 5.7 MILES
PATH WIDTH /MAXIMUM/: 150 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 06:55 PM CDT
START LOCATION: 1.7 NE WEST POINT / HANCOCK COUNTY / IL
START LAT/LON: 40.2718 / -91.1602
END DATE: 04/17/2026
END TIME: 07:03 PM CDT
END LOCATION: 2.7 NNE DENVER / HANCOCK COUNTY / IL
END LAT/LON: 40.3216 / -91.0781
A HIGH-END EF1 TORNADO DEVELOPED SOUTHWEST OF DENVER IL AND
TRACKED THROUGH TOWN. THROUGH THE PATH OF THE TORNADO, THERE WERE
DOZENS OF UTILITY POLES DAMAGED. WHEN FACTORING IN THE REAR FLANK
DOWNDRAFT (RFD), OVER 50 POLES WERE BROKEN OR BENT. MANY TREES
WERE SNAPPED, SOME IN DENVER WITH HIGH CONCENTRATION. SOME
STRUCTURAL DAMAGE WAS ALSO SEEN, LARGELY TO FACADES, WINDOWS, AND
ROOFS IN DENVER. IN ADDITION TO THE TORNADO, A SWATH OF REAR FLANK
DOWNDRAFT (RFD) WINDS WERE IDENTIFIED JUST SOUTH OF THE TORNADO.
COLMAR ILLINOIS TORNADO
RATING: EF-1
ESTIMATED PEAK WIND: 105 MPH
PATH LENGTH /STATUTE/: 6.0 MILES
PATH WIDTH /MAXIMUM/: 75 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:13 PM CDT
START LOCATION: 4.2 E MIDDLE CREEK / HANCOCK COUNTY / IL
START LAT/LON: 40.3701 / -90.9554
END DATE: 04/17/2026
END TIME: 07:21 PM CDT
END LOCATION: 2.4 ENE COLMAR / MCDONOUGH COUNTY / IL
END LAT/LON: 40.3491 / -90.8451
AN EF-1 TORNADO STARTING IN HANCOCK COUNTY TRACKED EAST-SOUTHEAST
BEFORE TURNING EAST THROUGH WESTERN MCDONOUGH COUNTY. IT TRACKED
JUST NORTH OF COLMAR. ALONG THE PATH WAS CONCENTRATED TREE
SNAPPING, MANY AT THE BASE, AND SOME UPROOTED. STRUCTURAL DAMAGE
WAS NOTED AT SEVERAL OUTBUILDINGS, INCLUDING ONE DESTROYED.
SEVERAL POWER POLES WERE SNAPPED OR HEAVILY LEANING ON THE NEARBY
RAILROAD TRACK.
LENA ILLINOIS TORNADO
RATING: EF2
ESTIMATED PEAK WIND: 130 MPH
PATH LENGTH /STATUTE/: 8.47 MILES
PATH WIDTH /MAXIMUM/: 750 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 03:32 PM CDT
START LOCATION: 3 NNE KENT / STEPHENSON COUNTY / IL
START LAT/LON: 42.3547 / -89.8738
END DATE: 04/17/2026
END TIME: 03:55 PM CDT
END LOCATION: 1 S MC CONNELL / STEPHENSON COUNTY / IL
END LAT/LON: 42.4184 / -89.7382
SURVEY SUMMARY:
A HIGH-END EF2, POSSIBLE MULTI-VORTEX, TORNADO WITH ESTIMATED
PEAK WINDS AROUND 130 MPH STARTED ALONG HIGHWAY 20, SOUTHWEST OF
LENA IL, AND TRACKED THROUGH LENA BEFORE LIFTING JUST SOUTHWEST
OF MCCONNELL. THE TORNADO CAUSED SIGNIFICANT DAMAGE TO TREES
ALONG ITS 8.5 MILE LONG PATH, INCLUDING UPROOTING AND SNAPPING
TREES. WHEN THE TORNADO BEGUN IT IMMEDIATELY CAUSED EF1 DAMAGE
TO TREES, GAINING STRENGTH TO AN EF2 TORNADO SNAPPING MANY POWER
POLES SOUTHWEST OF LENA. THE TORNADO TURNED TO THE RIGHT, INTO
TOWN CAUSING A LOT OF ROOF DAMAGE AND TREE DAMAGE. A LOT OF
HOUSES HAD SHINGLE AND SIDING DAMAGE. THE MOST SIGNIFICANT
DAMAGE OCCURRED ON GROVE STREET, WHERE THREE HOUSES LOST THEIR
ENTIRE ROOF STRUCTURE. TWO OF THE HOMES EXPERIENCED PARTIAL
EXTERIOR WALL COLLAPSES. DAMAGE IN THIS AREA IS CONSISTENT WITH
130 MPH WINDS. AS THE TORNADO MOVED TO THE NORTHEAST, DAMAGE TO
FARM STRUCTURES WAS NOTED. EVEN TOWARDS THE END OF THE PATH, THE
TORNADO WAS CAUSING EF1 DAMAGE TO TREES.
SOUTHERN MCDONOUGH COUNTY STRAIGHT LINE WIND
PEAK WIND ESTIMATED: 100 MPH
PATH LENGTH /STATUTE/: 19.9 MILES
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2026
START TIME: 07:13 PM CDT
START LOCATION: 2.8 W COLMAR/MCDONOUGH/IL
START LAT/LON: 40.346, -90.936
END DATE: 04/17/2026
END TIME: 07:33 PM CDT
END LOCATION: 2.3 NE INDUSTRY/MCDONOUGH/IL
END LAT/LON: 40.343, -90.571
SURVEY SUMMARY:
A SWATH OF 80-100 MPH WIND GUSTS WAS FOUND WITH A LOT OF DAMAGE
TO TREES, POWER POLES, GRAIN BINS, AND OTHER STRUCTURES.
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.
GROSS/ELLINGWORTH/GUNKEL
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