Thunderstorm Wind, Kossuth
- When
- May 19, 12:30 AM CST
- Where
- Kossuth County, 6 mi NE of Swea City
- Measured
- 59 kt (68 mph)
- Property damage
- $40,000
- Coordinates
- 43.450, -94.220
Very unstable air was over Iowa with lifted indices near -10 and CAPE values of 3000 to 4000 J/kg. Thunderstorms erupted over South Dakota and Minnesota.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS DMX wrote it up.
Very unstable air was over Iowa with lifted indices near -10 and CAPE values of 3000 to 4000 J/kg. Thunderstorms erupted over South Dakota and Minnesota. There were numerous bow echoes assoiated with this convective complex. Iowa was on the south edge of the complex. A few storms skirted the northern edge of the state. One of them moved into Kossuth County and produced 65 to 70 MPH winds. The high winds downed power poles northeast of Swea City at the intersection of County roads A21 and P40.
The Minneapolis radar (KMPX), 164 km away, was scanning. The volume nearest the first event began at 06:30 UTC.
1 thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 1996Every state in 1996This day in weather historyWarnings in Iowa, May 1996
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5544449.