Lingering low level moisture from a departing winter storm led to dense fog that formed across the Central Gunnison and Uncompahgre River Basin.
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The episode as NWS GJT wrote it up.
Lingering low level moisture from a departing winter storm led to dense fog that formed across the Central Gunnison and Uncompahgre River Basin.
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 Feb 12, 4:36 PM MST, 6 hours 54 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 with visibilities down to a quarter mile or less lingered for several hours across the area, including Blake Field Airport in Delta and the Montrose Regional Airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2018Every state in 2018This day in weather historyWarnings in Colorado, February 2018
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 2026-09-30. Each event’s entry at NCEI: 732365.