Flooding in Wyoming, April 29 to 30, 1999

Name: Flooding in Wyoming, April 29 to 30, 1999
Start: 1999-04-29T09:30
End: 1999-04-30T22:00
Location: Wyoming

April 29 to 30, 1999 · NWS CYS · 2 events in 2 counties and zones

Minor flooding occured in parts of the Laramie range into the Cheyenne foothills as a result ofsnowmelt and around 2 inches of rainfall. Flooding was reported along parts of Crow Creek insouth Cheyenne with other minor flooding reported along Lodgepole Creek northwest of Cheyenne.

The toll

Deaths: 0
Injuries: 0
Property damage: $20,000
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 CYS wrote it up.

Event by event

2 flood. Local standard time, as filed.

Flood, Cheyenne Foothills / C Laramie

When: April 29, 9:30 AM MST to April 30, 10:00 PM MST
Where: Cheyenne Foothills / C Laramie forecast zone
Property damage: $15,000
Reported by: NEWSPAPER

Flood, Laramie Range / Se Albany / W Laramie

When: April 29, 9:30 AM MST to April 30, 10:00 PM MST
Where: Laramie Range / Se Albany / W Laramie forecast zone
Property damage: $5,000
Reported by: NEWSPAPER

What these are

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

Every storm in Wyoming in 1999 Every state in 1999 This day in weather history Warnings in Wyoming, April 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: 5692841, 5692842.