Wyoming, 2003

Dense Fog in Wyoming, December 22 to 23, 2003

December 22 to 23, 2003 · NWS RIW · 8 events in 8 counties and zones

Visibilities dropped to as low as one-quarter of a mile at times through this period.

Where it happened

Every event with a place to put it; 8 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
8

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 as low as one-quarter of a mile at times through this period.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

8 dense fog. Local standard time, as filed.

Dense Fog, Jackson Hole

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Jackson Hole forecast zone
Reported by
GENERAL PUBLIC
Coordinates
43.100, -110.623 (the zone’s center; the record gives no point)

Dense Fog, Star Valley

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Star Valley forecast zone
Reported by
GENERAL PUBLIC
Coordinates
42.264, -110.656 (the zone’s center; the record gives no point)

Dense Fog, Upper Green River Basin Foothills

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Upper Green River Basin Foothills forecast zone
Reported by
GENERAL PUBLIC
Coordinates
42.767, -109.915 (the zone’s center; the record gives no point)

Dense Fog, Upper Green River Basin

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Upper Green River Basin forecast zone
Reported by
GENERAL PUBLIC
Coordinates
42.433, -109.520 (the zone’s center; the record gives no point)

Dense Fog, South Lincoln County

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
South Lincoln County forecast zone
Reported by
GENERAL PUBLIC
Coordinates
42.264, -110.656 (the zone’s center; the record gives no point)

Dense Fog, Rock Springs & Green River

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Rock Springs & Green River forecast zone
Reported by
GENERAL PUBLIC
Coordinates
41.660, -108.879 (the zone’s center; the record gives no point)

Dense Fog, Wind River Basin

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Wind River Basin forecast zone
Reported by
GENERAL PUBLIC
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

Dense Fog, Lander Foothills

When
December 22, 7:00 PM MST to December 23, 11:00 AM MST
Where
Lander Foothills forecast zone
Reported by
GENERAL PUBLIC
Coordinates
43.041, -108.630 (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

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: 5332122, 5332123, 5332124, 5332125, 5332247, 5332248, 5332341, 5332342.