Alert archive / Colorado / Jefferson County / 2021

Weather alerts in Jefferson County, Colorado, July 2021

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

Alerts
13
Warnings
2
Watches
3
Advisories
6
Busiest day
July 1, 20214 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
Jul 1, 8:46 AM MDTFlash Flood WatchBOU12 hr
Jul 1, 4:27 PM MDTAreal Flood AdvisoryBOU93 min
Jul 1, 4:36 PM MDTFlash Flood WarningBOU84 min
Jul 1, 5:57 PM MDTAreal Flood AdvisoryBOU93 min
Jul 1, 6:21 PM MDTFlash Flood WarningBOU114 min
Jul 2, 5:13 PM MDTSpecial Weather StatementBOU32 min
Jul 22, 2:15 PM MDTFlash Flood WatchBOU30 hr
Jul 22, 6:51 PM MDTAreal Flood AdvisoryBOU84 min
Jul 25, 6:36 PM MDTSpecial Weather StatementBOU24 min
Jul 25, 6:49 PM MDTAreal Flood AdvisoryBOU86 min
Jul 29, 2:03 PM MDTFlash Flood WatchBOU55 hr
Jul 30, 8:19 PM MDTAreal Flood AdvisoryBOU42 min
Jul 30, 9:34 PM MDTAreal Flood AdvisoryBOU56 min

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.