Alert archive / Colorado

Weather alerts in Washington County, Colorado

4,664 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Washington County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
4,664
Warnings
2,113
Watches
747
Advisories
466
Busiest year
2026299 alerts
Average year
114over 41 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

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

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 7, 5:39 PM MDTSevere Thunderstorm WarningBOU51 min
Aug 26, 7:29 PM MDTSevere Thunderstorm WarningBOU14 min
Aug 26, 7:08 PM MDTSevere Thunderstorm WarningBOU32 min
Aug 26, 6:25 PM MDTSevere Thunderstorm WarningBOU50 min
Aug 26, 5:42 PM MDTSevere Thunderstorm WarningBOU44 min
Aug 18, 10:51 PM MDTSevere Thunderstorm WarningBOU39 min
Aug 14, 7:37 PM MDTFlash Flood WarningBOU100 min
Aug 13, 6:28 PM MDTSevere Thunderstorm WarningBOU32 min
Aug 13, 5:41 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU34 min
Aug 13, 5:14 PM MDTSevere Thunderstorm WarningBOU31 min
Aug 12, 5:26 PM MDTSevere Thunderstorm WarningBOU49 min
Aug 12, 4:04 PM MDTSevere Thunderstorm WarningBOU26 min

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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.