Iowa, 1996

Damaging Wind in Iowa, May 19, 1996

May 19, 1996 · NWS DMX · 1 event in 1 county or zone

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.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$40,000
Crop damage
None recorded
Events
1

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.

What happened

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 radar

The Minneapolis radar (KMPX), 164 km away, was scanning. The volume nearest the first event began at 06:30 UTC.

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Event by event

1 thunderstorm wind. Local standard time, as filed.

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

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Iowa in 1996Every state in 1996This day in weather historyWarnings in Iowa, May 1996

Sources

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.