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The Dexes / Dense & Freezing Fog / 1302442

Eventdex · Dense & Freezing Fog

SAN JUAN RIVER BASIN

1302442

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

Event typeevent_typeDense Fog
NOAA NCEI event IDncei_event_id1,302,442
Episode IDepisode_id208,879
Begin UTCbegin_utc2025-12-07T15:15:00+00:00
End UTCend_utc2025-12-07T15:45:00+00:00
StatestateCOLORADO
County/zone typecz_typeZ
County/zone namecz_nameSAN JUAN RIVER BASIN
Deaths directdeaths_direct0
Deaths indirectdeaths_indirect0
Injuries directinjuries_direct0
Injuries indirectinjuries_indirect0
Damage propertydamage_property0.00K
Damage cropsdamage_crops0.00K
Weather forecast office sourcewfo_sourceAWOS
Episode narrativeepisode_narrativeA strong plume of atmospheric river moisture arrived on the morning of December 6 from the northwest, bringing rain and snow showers to portions of the Colorado west slope. Overnight, the moisture plume descended southwards, leaving west-central and southwestern Colorado valleys to saturate. Dense fog was able to develop before and near sunrise in these valleys as a result, though poor radiational cooling from cloudy skies kept fog relatively localized and short-lived.
Event narrativeevent_narrativeLocalized dense fog developed in the San Juan River Basin during the morning of December 7. The KPSO AWOS at the Stevens-Pagosa Springs Airfield reported about thirty minutes of freezing fog reducing visibility to 1/4 mile shortly after sunrise. No reports of injuries, damages, or fatalities were received.
Yearyear2,025

Provenance

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Storage: spine

SAN JUAN RIVER BASIN — Dense & Freezing Fog — TerraPulse