Thunderstorm gust to 65 mph reported 16 miles southwest of Cody.
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.
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 episode as NWS RIW wrote it up.
Thunderstorm gust to 65 mph reported 16 miles southwest of Cody.
The Riverton/Lander radar (KRIW), 13 km away, was scanning. The volume nearest the first event began at 01:55 UTC.
1 flash flood, 1 thunderstorm wind. Local standard time, as filed.
Flash flooding near and on Muddy Creek and Dry Cottonwood Creek northeast of Pavillion. Estimated 2 to 3 inches of rain in less than 2 hours. Damage to gravel road in several areas between Muddy and Dry Cottonwood Creeks.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 1997Every state in 1997This day in weather historyWarnings in Wyoming, May 1997
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: 5600145, 5600146.