Dense fog formed in the Gunnison River Valley as low level moisture remained behind a departing winter storm.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS GJT wrote it up.
Dense fog formed in the Gunnison River Valley as low level moisture remained behind a departing winter storm.
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 Grand Junction, CO wrote its last area forecast discussion before the first event at Dec 10, 4:36 AM MST, 2 hours 24 minutes earlier.
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</html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
The national radar mosaic for the moment the first event began.
1 dense fog. Local standard time, as filed.
Dense fog occurred in the Gunnison area where visibilities dropped to a quarter mile or less.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2016Every state in 2016This day in weather historyWarnings in Colorado, December 2016
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: 679521.