Iowa, 1986

Tornado and Hail in Iowa, May 10, 1986

May 10, 1986 · NWS DSM · 2 events in 2 counties and zones

1 hail, 1 tornado, as filed by the National Weather Service.

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
$3,000
Crop damage
None recorded
Events
2

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.

Event by event

1 hail, 1 tornado. Local standard time, as filed.

Hail, Pottawattamie

When
May 10, 12:45 AM CST
Where
Pottawattamie County
Measured
1.5 in hail
Coordinates
41.230, -95.620

Tornado, Decatur

When
May 10, 6:52 PM CST
Where
Decatur County
Rating
F0
Path length
0.1 mi
Path width
10 yd
Property damage
$3,000
Coordinates
40.820, -93.600

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

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

The same day elsewhere

More

Every storm in Iowa in 1986Every state in 1986This day in weather historyThe tornado archive for Iowa, 1986Warnings in Iowa, May 1986

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: 10013971, 10013972.