Wyoming, 2023

Flood in Wyoming, July 31, 2023

July 31, 2023 · NWS CYS · 1 event in 1 county or zone

Stationary thunderstorms with heavy rainfall resulted in localized minor flooding south of Laramie off of US Highway 287.

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
1

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.

Stationary thunderstorms with heavy rainfall resulted in localized minor flooding south of Laramie off of US Highway 287.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before the first event at Jul 31, 4:25 PM MST, 35 minutes earlier.

Area forecast discussion, Jul 31, 4:25 PM MST, 35 minutes before
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Hazardous weather outlook, Jul 31, 4:37 AM MST, 12 hours 23 minutes before
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In the hours before

Special weather statement, Jul 31, 1:54 PM MST, 3 hours 6 minutes before
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Special weather statement, Jul 31, 3:14 PM MST, 1 hour 46 minutes before
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Special weather statement, Jul 31, 3:58 PM MST, 1 hour 2 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 flood. Local standard time, as filed.

Flood, Albany

When
July 31, 5:00 PM MST to 6:00 PM MST
Where
Albany County, 0.86 mi SE of Red Buttes to 1.07 mi W of The Buttes
Cause
Heavy Rain
Reported by
Law Enforcement
Coordinates
41.170, -105.590

Flooded county roads with a neighborhood entrance blocked due to a clogged culvert.

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

More

Every storm in Wyoming in 2023Every state in 2023This day in weather historyWarnings in Wyoming, July 2023

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: 1105246.