Dense Fog in Central Yampa River Basin, Colorado

Patchy dense fog developed within the Central Yampa River Basin on the morning of January 3. The KCAG ASOS at the Craig-Moffat County Airport reported brief 1/4-mile visibility from freezing fog just before sunrise. No reports of injuries, damages, or fatalities were received.

Potent surface moisture lingered within Colorado valleys overnight on January 2 and 3 resulting from widespread rain and snow over the prior two days. A deep upper-level ridge moving overhead made way for clear skies though. With the resulting radiational cooling, overnight surface conditions became saturated and supported widespread dense fog development.