Colorado, 2019Dense Fog in Colorado, February 28, 2019
February 28, 2019 · NWS GJT · 1 event in 1 county or zone
Residual moisture under northwesterly flow aloft led to areas of dense fog in the Upper Yampa River Basin.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
Residual moisture under northwesterly flow aloft led to areas of dense fog in the Upper Yampa River Basin.
What forecasters said that day
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 27, 9:49 PM MST, 6 hours 11 minutes earlier.
Area forecast discussion, Feb 27, 9:49 PM MST, 6 hours 11 minutes before
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</html>Dense Fog, Upper Yampa River Basin
- When
- February 28, 4:00 AM MST to 9:30 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 at the Steamboat Springs-Bob Adams Field Airport with visibility at or below a quarter 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.
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: 800650.