Alert archive / Colorado / Flash Flood Warnings / 2021

Flash Flood Warnings in Colorado, June 2021

13 flash flood warnings in June 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in June 2021. Tap one for its archive.

Flash Flood Warnings: 13
Busiest day: June 5, 20213 flash flood warnings

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.

Issued	Product	Office	Counties	Lasted
Jun 5, 12:28 PM MDT	Flash Flood Warning	BOU	Larimer	98 min
Jun 5, 1:05 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Costilla, Huerfano	115 min
Jun 5, 1:59 PM MDT	Flash Flood Warning	BOU	Grand	78 min
Jun 6, 10:22 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Prowers	113 min
Jun 15, 3:22 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Costilla, Huerfano	112 min
Jun 19, 5:01 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Custer, Pueblo	3 hr
Jun 19, 5:45 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Chaffee, Fremont, Saguache	110 min
Jun 25, 12:44 PM MDT	Flash Flood Warning Considerable damage threat	PUB	Custer, Fremont, Saguache	73 min
Jun 25, 2:04 PM MDT	Flash Flood Warning	BOU	Larimer	116 min
Jun 26, 3:47 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Eagle, Garfield	118 min
Jun 27, 4:25 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Eagle, Garfield	2 hr
Jun 27, 5:56 PM MDT	Flash Flood Warning	BOU	Boulder	94 min
Jun 29, 5:05 PM MDT	Flash Flood Warning Considerable damage threat	GJT	Eagle, Garfield	3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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. Rebuilt daily.