Wyoming, 2002Heavy Snow in Wyoming, May 21 to 22, 2002
May 21 to 22, 2002 · NWS RIW · 2 events in 2 counties and zones
A storm system brought heavy snow to the northwest mountains of Wyoming. Snowfall amounts ranged from 10 to 12 inches.
Every event with a place to put it; 2 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
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- 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.
A storm system brought heavy snow to the northwest mountains of Wyoming. Snowfall amounts ranged from 10 to 12 inches.
Heavy Snow, Yellowstone National Park Mt Id / W Park / N Teton
- When
- May 21, 10:00 PM MST to May 22, 1:00 PM MST
- Where
- Yellowstone National Park Mt Id / W Park / N Teton forecast zone
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 44.228, -110.089 (the zone’s center; the record gives no point)
Heavy Snow, Teton/Moutains / Teton Except N and Sc
- When
- May 21, 10:00 PM MST to May 22, 1:00 PM MST
- Where
- Teton/Moutains / Teton Except N and Sc forecast zone
- Reported by
- GENERAL PUBLIC
- Coordinates
- 43.905, -107.683 (the zone’s center; the record gives no point)
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flooding in Alaska, May 21 to 31, 2002$1.0 million · 2 events
- High Wind in Nebraska, May 21, 20025 injured · $50,000 · 1 event
- High Wind in Colorado, May 21, 20021 injured · $60,000 · 66 kt wind · 12 events
- Wildfire in Arizona, May 21 to 31, 2002$100,000 · 1 event
- High Wind in Colorado, May 21, 2002$100,000 · 65 kt wind · 1 event
- Damaging Winds in Montana, May 21, 2002$75,000 · 62 kt wind · 4 events
- High Wind in Colorado, May 21, 20022 injured · 61 kt wind · 9 events
- High Wind in Nebraska, May 21, 2002$8,000 · 57 kt wind · 18 events
- High Wind in Kansas, May 21, 200260 kt wind · 9 events
- High Wind in Colorado, May 21, 200261 kt wind · 6 events
- Heavy Snow in Montana, May 21 to 22, 20026 events
- High Wind in South Dakota, May 21, 200252 kt wind · 5 events
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 2026-09-30. Each event’s entry at NCEI: 5293952, 5293953.