Colorado, 1999Heavy Snow in Colorado, May 1, 1999
May 1, 1999 · NWS BOU · 2 events in 2 counties and zones
Heavy snow developed in the Front Range Foothills above 7000 feet. Overnight totals included: 10 inches at Rollinsville and 1 mile northwest of Allenspark, 7 inches, 8 miles west of Conifer, with 6 inches at Conifer and Crow Hill.
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.
Heavy snow developed in the Front Range Foothills above 7000 feet. Overnight totals included: 10 inches at Rollinsville and 1 mile northwest of Allenspark, 7 inches, 8 miles west of Conifer, with 6 inches at Conifer and Crow Hill.
Heavy Snow, Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins / C Boulder / Ne Gilpin / C Larimer
- When
- May 1, 12:00 AM MST to 9:00 AM MST
- Where
- Northern Front Range Foothills/Upper Laramie and Cache la Poudre River Basins / C Boulder / Ne Gilpin / C Larimer forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 40.380, -105.410 (the zone’s center; the record gives no point)
Heavy Snow, Southern Front Range Foothills/Clear Creek Basin / W Jefferson / Ne Park / E Clear Creek / Se Gilpin / Sw Douglas
- When
- May 1, 12:00 AM MST to 9:00 AM MST
- Where
- Southern Front Range Foothills/Clear Creek Basin / W Jefferson / Ne Park / E Clear Creek / Se Gilpin / Sw Douglas forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.516, -105.413 (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.
- High Wind in New Mexico, May 1, 19997 deaths · 1 event
- Flooding in Colorado, May 1 to 5, 1999$7.8 million · 11 events
- Drought in Georgia, May 1 to 31, 199990 events
- Flooding in Colorado, May 1 to 3, 1999$200,000 · 2 events
- Tornado and Flash Flood in Texas, May 1, 1999$5,000 · F1 · 2 events
- Drought in Virginia, May 1 to 31, 199923 events
- Drought in New Jersey, May 1 to 31, 199920 events
- Drought in West Virginia, May 1 to 31, 199914 events
- Drought in Maryland, May 1 to 31, 199914 events
- Tornado and Flash Flooding in Texas, May 1 to 2, 1999F0 · 11 events
- Drought in Pennsylvania, May 1 to 31, 199910 events
- Tornadoes and Flash Flood in Texas, May 1, 1999F0 · 10 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 2026-09-24. Each event’s entry at NCEI: 5699838, 5699839.