Colorado, 1999

Tornadoes and Hail in Colorado, June 27, 1999

June 27, 1999 · NWS BOU · 4 events in 2 counties and zones

More severe thunderstorms moved across Logan and Sedgwick Counties. Large hail, damaging straight-line winds and tornadoes caused additional damage.

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
1
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.

What happened

The episode as NWS BOU wrote it up.

More severe thunderstorms moved across Logan and Sedgwick Counties. Large hail, damaging straight-line winds and tornadoes caused additional damage. Several trees and power lines were reportedly downed. A tornado overturned an empty cattle truck near Ovid. The driver received only minor injuries.

The radar

The Cheyenne radar (KCYS), 144 km away, was scanning. The volume nearest the first event began at 04:16 UTC.

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Event by event

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

Hail, Logan

When
June 27, 9:15 PM MST
Where
Logan County, Peetz
Measured
2.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.970, -103.100

Hail, Logan

When
June 27, 9:30 PM MST
Where
Logan County, Crook
Measured
1.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.850, -102.800

Tornado, Logan

When
June 27, 9:40 PM MST
Where
Logan County, Peetz
Rating
F0
Path length
0.1 mi
Path width
25 yd
Reported by
TRAINED SPOTTER
Coordinates
40.970, -103.100

Tornado, Sedgwick

When
June 27, 10:30 PM MST
Where
Sedgwick County, Ovid
Rating
F1
Path length
0.2 mi
Path width
50 yd
Injuries
1 direct, 0 indirect
Reported by
LAW ENFORCEMENT
Coordinates
40.950, -102.380

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 Colorado in 1999Every state in 1999This day in weather historyThe tornado archive for Colorado, 1999Warnings in Colorado, June 1999

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: 5704795, 5704796, 5704797, 5704798.