Colorado, 1975

Tornadoes and Hail in Colorado, May 18, 1975

May 18, 1975 · 3 events in 3 counties and zones

2 tornado, 1 hail, 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
None recorded
Crop damage
None recorded
Events
3

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

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

Tornado, Arapahoe

When
May 18, 1:40 PM CST
Where
Arapahoe County
Rating
F1
Path length
0.5 mi
Path width
110 yd
Coordinates
39.670, -104.730

Tornado, Adams

When
May 18, 1:55 PM CST
Where
Adams County
Rating
F3
Path length
4.1 mi
Path width
440 yd
Coordinates
39.800, -104.730

Hail, Weld

When
May 18, 2:45 PM CST
Where
Weld County
Measured
0.75 in hail
Coordinates
40.050, -104.330

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Colorado in 1975Every state in 1975This day in weather historyThe tornado archive for Colorado, 1975

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: 9988620, 9988621, 9985206.