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Tornado #422 • April 26, 2024 – Harlan/Defiance, Iowa

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Harlan/Defiance, IA

EF-3
COUNTY / STATE:  Shelby County, IA
ERA / AFFILIATION:  AccuWeather
PEAK WINDS:   mph
PATH DIMENSIONS:   mi length • yd width
CASUALTIES:   Fatalities • Injuries

Tornado Descriptor & Rating Analysis

DOW Measured Wind Speed of 224MPH; Wall-to-wall live on AccuWeather for nearly 30 minutes.

full chase log

Chase Log: April 26, 2024

The Biggest Tornado Outbreak of 2024!
Eastern NE/Western IA (683 miles)
Ed Grubb and myself chased the largest tornado outbreak of 2024, documenting 8 tornadoes across Nebraska and Iowa, and covered a large tornado live for 30 minutes straight.
• TORNADOES: 8
• MAX HAIL: 1.50"
• FLOODING: Observed
• DAMAGE: Observed
Full Write-Up