Wyoming, 1997

Flood and Hail in Wyoming, August 16, 1997

August 16, 1997 · NWS CYS · 5 events in 1 county or zone

2 thunderstorm wind, 2 hail, 1 flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$2,000
Crop damage
None recorded
Events
5

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.

The radar

The Cheyenne radar (KCYS), 3 km away, was scanning. The volume nearest the first event began at 00:01 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind, 2 hail, 1 flood. Local standard time, as filed.

Thunderstorm Wind, Laramie

When
August 16, 5:01 PM MST to 5:02 PM MST
Where
Laramie County, Cheyenne
Measured
52 kt (60 mph)
Property damage
$500
Coordinates
41.130, -104.820

Large cottonwood tree blown down at F.E. Warren Air Force Base.

Hail, Laramie

When
August 16, 5:06 PM MST to 5:07 PM MST
Where
Laramie County, Cheyenne
Measured
0.75 in hail
Coordinates
41.130, -104.820

Flood, Laramie

When
August 16, 5:10 PM MST to 5:40 PM MST
Where
Laramie County, Cheyenne
Property damage
$1,000
Coordinates
41.307, -104.690 (the zone’s center; the record gives no point)

Two to three feet of water flooded intersections in southern Cheyenne.

Hail, Laramie

When
August 16, 5:20 PM MST to 5:21 PM MST
Where
Laramie County, Cheyenne
Measured
0.75 in hail
Coordinates
41.130, -104.820

Thunderstorm Wind, Laramie

When
August 16, 6:15 PM MST to 6:16 PM MST
Where
Laramie County, 4 mi W of Carpenter
Measured
52 kt (60 mph)
Coordinates
41.030, -104.450

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Wyoming in 1997Every state in 1997This day in weather historyWarnings in Wyoming, August 1997

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: 5609684, 5609686, 5609687, 5609688, 5609685.