Colorado, 2017Winter Weather in Colorado, April 3 to 4, 2017
April 3 to 4, 2017 · NWS BOU · 4 events in 4 counties and zones
A storm system brought a period of locally heavy snow to portions of the Front Range Mountains and Foothills. The heaviest snowfall occurred in and near the foothills of Clear Creek, southern Boulder, northern Jefferson and Gilpin Counties.
Every event with a place to put it; 4 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
- 4
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 a period of locally heavy snow to portions of the Front Range Mountains and Foothills. The heaviest snowfall occurred in and near the foothills of Clear Creek, southern Boulder, northern Jefferson and Gilpin Counties. Storm totals in those areas included: 16 inches at Eldorado Springs, 15 inches at Echo Lake, 14 inches at St. Mary's Glacier and Winter Park Ski Area, 13.5 inches at Genesee, 13 inches at Rough and Tumble SNOTEL and near Tiny Town, 12.5 inches near Allenspark and Idaho Springs, 12 inches at Joe Wright SNOTEL, 11 inches near Conifer, 10 inches at Breckenridge. Across the rest of the Front Range mountains and foothills, the western suburbs of Denver and Boulder, storm totals ranged from 4 to 8 inches.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before the first event at Apr 3, 2:37 PM MST, 8 hours 23 minutes earlier.
Area forecast discussion, Apr 3, 2:37 PM MST, 8 hours 23 minutes before
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</html>Hazardous weather outlook, Apr 3, 10:01 AM MST, 12 hours 59 minutes before
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</html>Winter Weather, S & Se Grand / W Central & Sw Boulder / Gilpin / Clear Creek / Summit / N & W Park Counties Above 9000 Feet
- When
- April 3, 11:00 PM MST to April 4, 11:00 PM MST
- Where
- S & Se Grand / W Central & Sw Boulder / Gilpin / Clear Creek / Summit / N & W Park Counties Above 9000 Feet forecast zone
- Reported by
- SNOTEL
- Coordinates
- 39.726, -105.675 (the zone’s center; the record gives no point)
Storm totals included: 15 inches at Echo Lake, 14 inches at Winter Park Ski Area, 13 inches at Rough and Tumble SNOTEL, 12 inches at Joe Wright SNOTEL, 10 inches at Breckenridge. Elsewhere lesser amounts of 4 to 9 inches were recorded.
Winter Weather, Boulder & Jefferson Counties Below 6000 Feet / W Broomfield County
- When
- April 3, 11:00 PM MST to April 4, 11:00 PM MST
- Where
- Boulder & Jefferson Counties Below 6000 Feet / W Broomfield County forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 39.878, -105.220 (the zone’s center; the record gives no point)
Storm totals included: 5.8 inches in Louisville, 5 inches in Wheat Ridge, with 4.5 inches at the Weather Forecast Office in Boulder and Westminster.
Winter Weather, Larimer & Boulder Counties Between 6000 & 9000 Feet
- When
- April 3, 11:00 PM MST to April 4, 11:00 PM MST
- Where
- Larimer & Boulder Counties Between 6000 & 9000 Feet forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 40.380, -105.410 (the zone’s center; the record gives no point)
Storm totals included 16 inches at Eldorado Springs and 12.5 inches near Allenspark, with 4 to 10 inches elsewhere.
Winter Weather, Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet
- When
- April 3, 11:00 PM MST to April 4, 11:00 PM MST
- Where
- Jefferson & W Douglas Counties Above 6000 Feet / Gilpin / Clear Creek / Ne Park Counties Below 9000 Feet forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 39.516, -105.413 (the zone’s center; the record gives no point)
Storm totals included: 13.5 inches at Genesee, 13 inches near Evergreen, Kittredge and Tiny Town, 12.5 inches near Idaho Springs and 11 inches near Conifer. Elsewhere lesser amounts of 5 to 10 inches were reported.
- Winter Weather
- Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Hail in Georgia, April 3, 2017$2.9 million · EF2 · 72 events
- Tornadoes and Damaging Winds in South Carolina, April 3, 20171 death · $315,000 · EF1 · 16 events
- Tornadoes and Hail in Georgia, April 3 to 5, 2017$232,000 · EF2 · 46 events
- Tornado and Hail in Alabama, April 3 to 5, 2017$508,000 · EF2 · 15 events
- Tornado and Flash Flood in Alabama, April 3, 2017$1.1 million · EF0 · 20 events
- Tornadoes and Hail in South Carolina, April 3, 2017$20 · EF2 · 18 events
- Flash Flooding and Hail in Florida, April 3 to 5, 2017$180,000 · 1.25 in hail · 23 events
- Damaging Winds in Arizona, April 3, 2017$100,000 · 56 kt wind · 2 events
- Winter Storm and Heavy Snow in New Mexico, April 3 to 5, 2017$50,000 · 61 kt wind · 14 events
- Strong Wind in American Samoa, April 3 to 4, 2017$53,000 · 1 event
- Damaging Winds in North Carolina, April 3, 2017$35,000 · 50 kt wind · 4 events
- Hail and Damaging Winds in Mississippi, April 3, 2017$28,000 · 1 in hail · 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 2026-09-24. Each event’s entry at NCEI: 691436, 691437, 691439, 691440.