Dense Fog, Upper Green River Basin
- When
- December 1, 7:30 PM MST to December 2, 4:00 AM MST
- Where
- Upper Green River Basin forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 42.433, -109.520 (the zone’s center; the record gives no point)
Dense Fog in Wyoming, December 1 to 2, 2003
Visibilities dropped to one-quarter of a mile at times during this period.
Where it happened
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.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
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.
What happened
The episode as NWS RIW wrote it up.
Visibilities dropped to one-quarter of a mile at times during this period.
The radar
The national radar mosaic for the moment the first event began.
Event by event
3 dense fog. Local standard time, as filed.
Dense Fog, Rock Springs & Green River
- When
- December 1, 7:30 PM MST to December 2, 4:00 AM MST
- Where
- Rock Springs & Green River forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 41.660, -108.879 (the zone’s center; the record gives no point)
Dense Fog, Flaming Gorge
- When
- December 1, 7:30 PM MST to December 2, 4:00 AM MST
- Where
- Flaming Gorge forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 41.660, -108.879 (the zone’s center; the record gives no point)
What these are
- 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.
The same day elsewhere
- Drought in Texas, December 1 to 31, 2003
- Drought in Colorado, December 1 to 31, 2003
- Drought in Wisconsin, December 1 to 9, 2003
- High Wind in Alaska, December 1 to 2, 2003
- Drought in Utah, December 1 to 31, 2003
- High Wind in New York, December 1, 2003
- Flood in Illinois, December 1 to 5, 2003
- Heavy Snow in Michigan, December 1 to 2, 2003
- Heavy Rain in Hawaii, December 1, 2003
- Heavy Rain in Hawaii, December 1, 2003
- Heavy Rain in Hawaii, December 1, 2003
- Heavy Snow in Washington, December 1, 2003
More
Every storm in Wyoming in 2003Every state in 2003This day in weather historyWarnings in Wyoming, December 2003
Sources
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: 5332110, 5332111, 5332112.