Colorado, 2023Dense Fog in Colorado, December 14 to 15, 2023
December 14 to 15, 2023 · NWS GJT · 2 events in 2 counties and zones
As precipitation wound down across northwest Colorado on the afternoon of the 14th, clearing skies and trapped low level moisture led to the development of dense fog along the Yampa River Basin.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
As precipitation wound down across northwest Colorado on the afternoon of the 14th, clearing skies and trapped low level moisture led to the development of dense fog along the Yampa River Basin.
Dense Fog, Central Yampa River Basin
- When
- December 14, 7:00 PM MST to December 15, 6:00 AM MST
- Where
- Central Yampa River Basin forecast zone
- Reported by
- ASOS
- Coordinates
- 40.361, -107.805 (the zone’s center; the record gives no point)
Dense fog was observed across the Lower Yampa River Basin, including at the Craig-Moffat County Airport where visibility was reduced to less than one quarter of a mile for several hours. The AWOS at Hayden - Yampa Valley Airport also reported several hours of visibility less than one quarter of a mile during the period.
Dense Fog, Upper Yampa River Basin
- When
- December 14, 7:00 PM MST to December 15, 6:00 AM MST
- Where
- Upper Yampa River Basin forecast zone
- Reported by
- AWOS
- Coordinates
- 40.485, -106.991 (the zone’s center; the record gives no point)
Dense fog was observed across the Upper Yampa River basin, including at the Steamboat Springs Airport - Bob Adams Field AWOS where visibility was reduced to less than one quarter of a mile.
- Dense Fog
- Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- High Surf in Puerto Rico, December 14, 20231 death · 1 event
- Flash Flooding and Damaging Wind in American Samoa, December 14 to 16, 2023$167,000 · 7 events
- Heavy Snow in Alaska, December 14, 20232 events
- Drought in Arkansas, December 14 to 31, 20231 event
- Freezing Fog in Idaho, December 14, 20231 event
- Marine High Wind in Lake Superior, December 14, 202350 kt wind · 1 event
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: 1149268, 1149269.