Thunderstorm Wind in Greene County, Iowa
Thunderstorm Wind August 5, 2023 · Greene County, Iowa
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Delayed report of tree damage south of Churdan. Damage consisted of broken branches a couple inches thick. Report relayed via social media and time estimated via radar.
The wider storm
Showers and thunderstorms percolated through much of the day along a stationary boundary over northwest Iowa. By evening a more robust shortwave moved across the area, accompanied by 30 kts of shear and 1500-2000 J/kg of MLCAPE. This allowed for storms to strengthen across west central Iowa with gusty winds producing some minor damage to trees and out buildings. Additionally, due to the orientation of the shear, a few weak tornadoes developed and were discovered using high resolution satellite imagery.
Began near Churdan (42.1300, -94.4700).
Other tornadoes from the same storm system
2 more tornadoes the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1129735. Narratives are written by the National Weather Service forecast office that issued the report.
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