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The tornado reached peak intensity in the city of Greenfield, leading the National Weather Service in Des Moines, Iowa to assign a rating of mid-range EF4 on the Enhanced Fujita scale, with maximum wind speeds estimated at 185 mph (298 km/h).
National Weather Service teams are conducting surveys Wednesday after tornadoes hit Iowa. An initial survey showed at least EF3 damage in Greenfield.
After exiting Greenfield, this tornado moved east-northeastward, weakened, and dissipated over open terrain as the other tornado became the dominant circulation within the supercell. [ 82 ] The tornado was on the ground for 48 minutes, traveled 43.07 mi (69.31 km), and had a peak width of 1,600 yd (1.5 km).
At least four people were killed and 35 injured by an EF4 tornado that plowed through the center of Greenfield, Iowa, on Tuesday. Peak winds of 185 mph were estimated by the National Weather ...
The National Weather Service in Des Moines will send three survey crews across the state to search for tornado damage on Wednesday. One team will be focused on just the Greenfield area. One team ...
Iowa: Greenfield: 5 (35 injuries) NWS: 2024 Greenfield tornado — This long-tracked tornado moved through three other counties before destroying several homes at low-end EF4 intensity in rural Adair County. The most severe damage occurred in Greenfield in the central part of the county, where the tornado peaked at mid-range EF4 intensity.
The National Weather Service said initial surveys indicated at least an EF-3 tornado in Greenfield, but additional damage assessment could lead to a more powerful ranking. The tornado appeared to have been on the ground for more than 40 miles (64 kilometers), AccuWeather Chief Meteorologist Jon Porter said.
Deadliest tornadoes in Iowa before 1950. The National Weather Service's tornado records only date back to 1950. Ratings using the Fujita Scale weren't introduced until 1971. The scale was later ...