Wyoming, 1999Winter Storm in Wyoming, April 22 to 24, 1999
April 22 to 24, 1999 · NWS RIW · 9 events in 9 counties and zones
Second major spring storm of the month in the Lander foothills and Wind River Basin area, with record one-day snowfall at Lander of 29 inches on the 22nd. Storm total at Lander was 53 inches, which was also a record.
Every event with a place to put it; 9 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
- 9
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.
Second major spring storm of the month in the Lander foothills and Wind River Basin area, with record one-day snowfall at Lander of 29 inches on the 22nd. Storm total at Lander was 53 inches, which was also a record. More than 4 feet of snow fell in Sinks Canyon west of Lander. Other storm totals included 23 inches in Hudson and 22 inches in Riverton. Many roads were closed due to poor visibility caused by falling and blowing snow. Downed power lines and power outages were widespread.
Winter Storm, Cody Foothills / Part of E Park
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Cody Foothills / Part of E Park forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.524, -108.791 (the zone’s center; the record gives no point)
Winter Storm, Dubois / Part of Nw Fremont
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Dubois / Part of Nw Fremont forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.039, -106.585 (the zone’s center; the record gives no point)
Winter Storm, Green Mountains / S Fremont
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Green Mountains / S Fremont forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.904, -109.273 (the zone’s center; the record gives no point)
Winter Storm, Kemmerer / S Lincoln
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Kemmerer / S Lincoln forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 43.041, -108.630 (the zone’s center; the record gives no point)
Winter Storm, Lander Foothills / C Fremont
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Lander Foothills / C Fremont forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 43.002, -109.948 (the zone’s center; the record gives no point)
Winter Storm, South Big Horn Basin / N Hot Springs / W Washakie
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- South Big Horn Basin / N Hot Springs / W Washakie forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 43.635, -107.022 (the zone’s center; the record gives no point)
Winter Storm, Wind River Basin / Nc and E Fremont
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Wind River Basin / Nc and E Fremont forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 43.100, -110.623 (the zone’s center; the record gives no point)
Winter Storm, Wind River Mtns East / Wc Fremont
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Wind River Mtns East / Wc Fremont forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.039, -106.585 (the zone’s center; the record gives no point)
Winter Storm, Rock Springs/Green River / Sw Sweetwater
- When
- April 22, 4:00 AM MST to April 24, 10:00 AM MST
- Where
- Rock Springs/Green River / Sw Sweetwater forecast zone
- Reported by
- NEWSPAPER
- Coordinates
- 42.962, -106.798 (the zone’s center; the record gives no point)
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- High Wind in Utah, April 22 to 23, 1999$11 million · 2 events
- Flooding in Missouri, April 22 to 30, 1999$2.5 million · 12 events
- Flooding in Iowa, April 22 to 27, 1999$370,000 · 33 events
- Tornadoes and Flash Flooding in Oklahoma, April 22, 1999$15,000 · F1 · 51 events
- Flooding in Kansas, April 22, 1999$50,000 · 2 events
- High Wind in Colorado, April 22 to 23, 1999$30,000 · 80 kt wind · 1 event
- Flash Flooding and Flood in Missouri, April 22, 1999$25,000 · 3 events
- High Wind in California, April 22 to 23, 1999$20,000 · 3 events
- Flooding and Hail in Indiana, April 22, 1999$8,000 · 60 kt wind · 13 events
- Winter Storm in Colorado, April 22 to 23, 19996 events
- Hail and Damaging Wind in Arkansas, April 22, 199952 kt wind · 6 events
- Heavy Snow in Colorado, April 22 to 24, 19996 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: 5691056, 5691057, 5691058, 5691122, 5691123, 5691124, 5691125, 5691126, 5691127.