Trapped low level moisture led to areas of dense fog across the lower valleys in eastern Utah.
Every event with a place to put it; 3 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.
Trapped low level moisture led to areas of dense fog across the lower valleys in eastern Utah.
The national radar mosaic for the moment the first event began.
3 dense fog. Local standard time, as filed.
Dense fog was observed across southeast Utah including at the Blanding Municipal Airport as visibility was reduced to less than one quarter of a mile for several hours.
Dense fog was observed across the region as visibility was reduced to less than one quarter of a mile for several hours.
Dense fog was observed across the region as visibility was reduced to less than one quarter of a mile for several hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2020Every state in 2020This day in weather historyWarnings in Utah, January 2020
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: 865673, 865674, 865675.