Clear skies allowed efficient surface cooling to occur which helped in the formation of dense fog across portions of the Grand Valley.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS GJT wrote it up.
Clear skies allowed efficient surface cooling to occur which helped in the formation of dense fog across portions of the Grand Valley.
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 Nov 24, 2:43 PM MST, 9 hours 52 minutes earlier.
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</html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
The national radar mosaic for the moment the first event began.
2 dense fog. Local standard time, as filed.
Dense fog formed in portions of western Montrose County, including Hopkins Field Airport near Nucla where the visibility dropped down to a quarter mile or less.
Dense fog occurred across portions of the Grand Valley, with visibilities down to a quarter mile or less.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2013Every state in 2013This day in weather historyWarnings in Colorado, November 2013
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: 518750, 516692.