Colorado, 2024

Dense Fog in Colorado, March 27, 2024

March 27, 2024 · NWS GJT · 1 event in 1 county or zone

Clearing skies in the wake of a trough combined with moisture trapped in the Grand Valley to produce a small but dense area of fog along the Colorado River.

Where it happened

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The toll

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.

What happened

The episode as NWS GJT wrote it up.

Clearing skies in the wake of a trough combined with moisture trapped in the Grand Valley to produce a small but dense area of fog along the Colorado River.

The radar

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

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Event by event

1 dense fog. Local standard time, as filed.

Dense Fog, Grand Valley

When
March 27, 7:45 AM MST to 8:45 AM MST
Where
Grand Valley forecast zone
Reported by
ASOS
Coordinates
39.308, -108.185 (the zone’s center; the record gives no point)

Patches of dense fog were reported across the Grand Valley, with the KGJT ASOS reporting visibilities between 1/2 SM and 1/4 SM. In addition, webcam imagery and numerous public reports indicated areas with visibility less than 100 yards in and around the Colorado River near Fruita and the Redlands area of Grand Junction.

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 Colorado in 2024Every state in 2024This day in weather historyWarnings in Colorado, March 2024

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 2026-10-01. Each event’s entry at NCEI: 1168903.