Low level moisture remained trapped across portions of western Colorado. This led to the development of dense fog across the Grand Valley.
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The episode as NWS GJT wrote it up.
Low level moisture remained trapped across portions of western Colorado. This led to the development of dense fog across the Grand Valley.
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 29, 4:12 AM MST, 18 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 dense fog. Local standard time, as filed.
Dense fog was observed across the Grand Valley including at the Grand Junction Regional Airport as visibility was reduced to less than one quarter of a mile for a couple hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2022Every state in 2022This day in weather historyWarnings in Colorado, December 2022
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 2026-10-01. Each event’s entry at NCEI: 1062824.