Colorado, 1999

Tornadoes in Colorado, May 31, 1999

May 31, 1999 · NWS BOU · 2 events in 1 county or zone

Two tornadoes touched down causing extensive damage north of Genoa. The first tornado, an F2, caused minor damage to a home, but substantial damage to trees in the area.

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
$4.0 million
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.

What happened

The episode as NWS BOU wrote it up.

Two tornadoes touched down causing extensive damage north of Genoa. The first tornado, an F2, caused minor damage to a home, but substantial damage to trees in the area. The second tornado, an F3, destroyed 2 mobile homes and several grain bins. It also caused moderate damage to 2 framed houses. At one farm, several dogs that were boarded in kennels were killed. Several trees and dozens of power poles were also snapped, and a pickup truck was tossed over a quonset hut. Damage was estimated to be $3-4 million.

The radar

The Denver radar (KFTG), 101 km away, was scanning. The volume nearest the first event began at 00:46 UTC.

Open the radar archive at this moment

Event by event

2 tornado. Local standard time, as filed.

Tornado, Lincoln

When
May 31, 5:45 PM MST
Where
Lincoln County, Genoa to 3 mi NE of Genoa
Rating
F2
Path length
7 mi
Path width
100 yd
Reported by
STORM CHASER
Coordinates
39.320, -103.530

Tornado, Lincoln

When
May 31, 5:47 PM MST to 6:15 PM MST
Where
Lincoln County, Genoa to 6 mi NE of Genoa
Rating
F3
Path length
7 mi
Path width
200 yd
Property damage
$4.0 million
Reported by
STORM CHASER
Coordinates
39.350, -103.580

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.

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, May 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: 5699025, 5699026.