Tornado in Sac County, Iowa
Tornado August 5, 2023 · Sac County, Iowa
NOAA records this tornado county by county. Its path ran through Sac County → Sac County; the totals above are for the whole tornado.
The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.
What the National Weather Service wrote
Tornado was found using high resolution satellite imagery. Tornado had a curved path through open agricultural fields. There was no damage to damage indicators, hence the EFU rating.
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 Auburn (42.2235, -94.9021).
Other tornadoes from the same storm system
1 more tornado the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1124847. Narratives are written by the National Weather Service forecast office that issued the report.
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