Colorado, 1977

Tornadoes and Hail in Colorado, May 30, 1977

May 30, 1977 · 4 events in 2 counties and zones

2 tornado, 2 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
4

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, 2 hail. Local standard time, as filed.

Tornado, Cheyenne

When
May 30, 12:10 AM CST
Where
Cheyenne County
Rating
F1
Path length
0.1 mi
Path width
80 yd
Coordinates
38.820, -102.780

Tornado, Cheyenne

When
May 30, 12:55 AM CST
Where
Cheyenne County
Rating
F1
Path length
0.1 mi
Path width
80 yd
Coordinates
38.780, -102.070

Hail, Denver

When
May 30, 8:50 PM CST
Where
Denver County
Measured
1 in hail
Coordinates
39.770, -104.880

Hail, Denver

When
May 30, 10:00 PM CST
Where
Denver County
Measured
2.75 in hail
Coordinates
39.600, -105.080

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 1977Every state in 1977This day in weather historyThe tornado archive for Colorado, 1977

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: 9987506, 9987507, 9987508, 9987509.