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The Dexes / Avalanche / 799967

Eventdex · Avalanche

S & SE GRAND / W CENTRAL & SW BOULDER / GILPIN / CLEAR CREEK / SUMMIT / N & W PARK COUNTIES ABOVE 9000 FEET

799967

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

event_typeAvalanche
ncei_event_id799,967
episode_id133,679
begin_utc2019-03-07T23:00:00+00:00
end_utc2019-03-07T23:00:00+00:00
stateCOLORADO
cz_typeZ
cz_nameS & SE GRAND / W CENTRAL & SW BOULDER / GILPIN / CLEAR CREEK / SUMMIT / N & W PARK COUNTIES ABOVE 9000 FEET
deaths_direct0
deaths_indirect0
injuries_direct0
injuries_indirect0
damage_property0.00K
damage_crops0.00K
wfo_sourceBroadcast Media
episode_narrativeA prolonged period of heavy snowfall during the first week of March produced historic avalanche conditions across the northern and central mountains of Colorado. Mountain highways including a large section of I-70 was closed on the 7th due to high to extreme avalanche danger. The snow was heaviest during the overnight hours when a concentrated band of heavy snow remained stationary over a large stretch of the Interstate 70 corridor, producing snowfall rates up to 2 inches per hour. Storm totals included: 24 inches near Mount Zirkel; 17 inches near Loveland Pass; 15.5 inches near Berthoud Falls; 15 inches near Silverthorne; 14.5 inches near Climax; 13 inches near Cameron Pass, Glendevey, Longs Peak and Mount Audubon; 12 inches near Alma, Gould and Guanella Pass; 11 inches near Frisco; with 6 to 10 inches elsewhere.||An avalanche that ruptured a natural gas line behind the Conoco station at Copper Mountain; and several other avalanches led to the closure of I-70 in both directions between Copper Mountain and Vail. The ruptured gas line created a power outage at the Eisenhower Tunnel. Colorado Department of Transportation (CDOT) crews were escorting 100 vehicles through the tunnel when the outage occurred. Interstate 70 between Silverthorne and Empire Junction was closed for about three hours in the area for avalanche mitigation. Arapahoe Basin ski area did not open on the 7th because of high avalanche danger on nearby Loveland Pass. The Colorado Avalanche Information Center deemed several of the backcountry zones EXTREME (5 of 5), including Vail and Summit County. This was the first time this designation has been used since they converted to a ten-zone forecast format back in 2006. The warning comes after multiple avalanches over the previous weekend and an avalanche that has shut down Interstate 70 between Frisco and Vail early on the morning of the 7th.
event_narrativeAn avalanche hit a portion of Interstate 70 and trapped several vehicles. No injuries were reported.
year2,019

Provenance

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Storage: spine

S & SE GRAND / W CENTRAL & SW BOULDER / GILPIN / CLEAR CREEK / SUMMIT / N & W PARK COUNTIES ABOVE 9000 FEET — Avalanche — TerraPulse