Inversions and low level moisture from snow on the ground resulted in areas of dense valley fog in the Grand Valley.
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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.
Inversions and low level moisture from snow on the ground resulted in areas of dense valley fog in the Grand Valley.
The national radar mosaic for the moment the first event began.
1 dense fog. Local standard time, as filed.
Visibilities were reduced to less than a quarter mile along the Colorado River, from the Redlands area to beyond Fruita, as well as the area north of Redlands to I-70 and Fruita northward. In some places, the fog reduced visibilities to about 200 feet.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2010Every state in 2010This day in weather historyWarnings in Colorado, February 2010
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: 204636.