Alert archive / Colorado / Grand County / 2021

Weather alerts in Grand County, Colorado, August 2021

23 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
23
Warnings
4
Watches
4
Advisories
13
Busiest day
August 13, 20216 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Aug 1, 2:04 PM MDTFlash Flood WatchBOU32 hr
Aug 2, 2:40 PM MDTAreal Flood AdvisoryBOU95 min
Aug 2, 3:38 PM MDTAreal Flood AdvisoryBOU82 min
Aug 2, 4:16 PM MDTAreal Flood AdvisoryBOU89 min
Aug 2, 5:08 PM MDTAreal Flood AdvisoryBOU82 min
Aug 2, 5:40 PM MDTAreal Flood AdvisoryBOU95 min
Aug 3, 3:41 AM MDTFlash Flood WatchBOU18 hr
Aug 3, 8:10 AM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 1:20 PM MDTAreal Flood AdvisoryBOU85 min
Aug 13, 1:42 PM MDTAreal Flood AdvisoryBOU2 hr
Aug 13, 2:27 PM MDTFlash Flood WarningBOU2 hr
Aug 13, 3:36 PM MDTAreal Flood AdvisoryBOU69 min
Aug 13, 5:39 PM MDTFlash Flood WarningBOU2 hr
Aug 13, 5:40 PM MDTMesoscale DiscussionSPC2 hr
Aug 13, 6:10 PM MDTAreal Flood AdvisoryBOU99 min
Aug 15, 2:32 PM MDTAreal Flood AdvisoryBOU88 min
Aug 16, 4:06 PM MDTAreal Flood AdvisoryBOU18 min
Aug 16, 4:24 PM MDTFlash Flood WarningBOU111 min
Aug 16, 5:02 PM MDTAreal Flood AdvisoryBOU88 min
Aug 23, 1:05 PM MDTFire Weather WatchBOU14 hr
Aug 23, 2:52 PM MDTFire Weather WatchBOU37 hr
Aug 26, 9:00 PM MDTSpecial Weather StatementBOU30 min
Aug 28, 3:24 AM MDTRed Flag WarningBOU16 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20202022

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.