A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >
Overview
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Between February 11th and February 15th multiple winter storms impacted Wyoming bringing significant snow across the west, high winds, and multiple long duration road closures. Some roads were closed and reopened several times through the entire event due to winter conditions, and multiple roads closures lasted 24 hours or more. Several car accidents were reported and more than one blow over occurred in the state with one happening in western/central Wyoming. This blow over occurred over South Pass in the Red Canyon area on 2/13; a sensor at that location measured a 91 mph wind gust which was a record for that site. The Bridger-Teton Avalanche Center issued an avalanche warning for Wednesday (2/13) night through Friday (2/15) afternoon. At least 7 avalanches are known to have happened, one of which briefly closed a local highway. 2 vehicles were reported damaged by these avalanches. A total of 60 local, state, and federal agencies collaborated together ahead of and during this multi-day event. |
 Blow Over in Red Canyon on South Pass |
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| Avalanche near Meadowbrook Apartments in Jackson blew the surface ice off of Flat Creek, throwing a chunk of the ice into this pickup truck. | Avalanche Aftermath on South Highway 89 near Lockhart Ranch |
Prone avalanche slope on Nelson Knoll in Jackson. The slide on the hill's west face was triggered by a dog. |
Wind:
Top wind reports from Tuesday night into Wednesday:
Snow:
Snow total maps for February 13th and 14th and 14th-16th. 20-30 inches of snow fell in many locations across the west.
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Photos:
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| Pile UP on I-80 between Rock Springs Rawlins Photo Courtesy WYDOT |
Pile UP on I-80 between Rock Springs Rawlins Photo Courtesy WYDOT |
Pile UP on I-80 between Rock Springs Rawlins Photo Courtesy WYDOT |
Pile UP on I-80 between Rock Springs Rawlins |
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| Avalanche near Meadowbrook Apartments in Jackson | Avalanche near Meadowbrook Apartments in Jackson | Avalanche near Meadowbrook Apartments in Jackson |
Taco Bell chute slide |
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| Avalanche on Teton Pass | Semi stuck in snow on the closed highway between Moose and Moran | Semi stuck in snow on the closed highway between Moose and Moran |
Semi stuck in snow on the closed highway between Moose and Moran |
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