575
NOUS43 KOAX 200058
PNSOAX
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-201300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
758 PM CDT SAT APR 19 2025
..NWS DAMAGE SURVEY FOR 04/17/25 TORNADO EVENT - UPDATE #1
UPDATE
THE MAXIMUM PATH WIDTH OF THE IMOGENE AND ESSEX, IA TORNADO HAS
BEEN REVISED TO 1917 YARDS. THIS REVISION COMES AFTER FURTHER
REVIEW OF DAMAGE POINTS, INDICATING SOME ORIGINALLY BELIEVED TO BE
INSIDE OF THE TORNADO, WERE LIKELY THUNDERSTORM WIND DAMAGE IN
THE REAR FLANK DOWNDRAFT REGION OF THE STORM.
.IMOGENE AND ESSEX, IA TORNADO
RATING: EF1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH /STATUTE/: 19.72 MILES
PATH WIDTH /MAXIMUM/: 1971 YARDS
FATALITIES: 0
INJURIES: 0
START DATE: 04/17/2025
START TIME: 08:32 PM CDT
START LOCATION: 2 SE RANDOLPH / FREMONT COUNTY / IA
START LAT/LON: 40.8523 / -95.5391
END DATE: 04/17/2025
END TIME: 09:08 PM CDT
END LOCATION: 4 ESE COBURG / PAGE COUNTY / IA
END LAT/LON: 40.8936 / -95.1868
SURVEY SUMMARY:
AT APPROXIMATELY 8:32 PM CDT, A TORNADO FORMED SOUTHEAST OF
RANDOLPH, IA. THE FIRST SIGN OF DAMAGE WAS SNAPPED TREE LIMBS
NEAR LAKE SHAWTEE. AS THE TORNADO PROGRESSED EASTWARD, CONTINUED
TREE DAMAGE WAS OBSERVED ALONG WITH THE DAMAGE OF SMALL OUTDOOR
FARM BUILDINGS AND HOUSE ROOFS. A CONCENTRATED AREA OF THE MOST
EXTENSIVE DAMAGE WAS OBSERVED SOUTH OF IMOGENE, IA. IN THIS AREA,
DAMAGE INCLUDED SNAPPED WOODEN POWER POLES, MINOR DAMAGE TO
HOMES, AND THE CONTINUED DAMAGE OF OUTDOOR BUILDINGS AND TREES.
THE WIDTH OF DAMAGE ALSO REACHED ITS PEAK, APPROXIMATELY
1971 YARDS IN THIS AREA. THE TORNADO TRACKED JUST NORTH OF
ESSEX, IA, WITH MORE WOODEN POWER POLES SNAPPED AND FARM OUTDOOR
BUILDING DAMAGE. AFTER SLIDING NORTH OF ESSEX, IA, THE TORNADO
TRACKED NORTHEAST TOWARDS NYMAN, IA. SIMILAR DAMAGE, INCLUDING
TREES, OUTDOOR BUILDINGS, AND WOODEN POWER POLES WERE OBSERVED
ALONG THIS STRETCH. THE TORNADO LIFTED JUST EAST AT NYMAN, IA AT
APPROXIMATELY 9:08 PM CDT. THE TRACK LENGTH OF THE TORNADO WAS
APPROXIMATELY 19.7 MILES, WITH A MAXIMUM WIND SPEED OF 110 MPH
CLASSIFYING IT AS AN EF1.
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 EVENT AND PUBLICATION IN
NWS STORM DATA.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page