1 thunderstorm wind, as filed by the National Weather Service.
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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 Cheyenne radar (KCYS), 23 km away, was scanning. The volume nearest the first event began at 22:16 UTC.
1 thunderstorm wind. Local standard time, as filed.
A large severe thunderstorm 45 mile northeast of Cheyenne, developed a strong outflow which spread 70 mph winds across Laramie County.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 1998Every state in 1998This day in weather historyWarnings in Wyoming, July 1998
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: 5662036.