Alert archive / Colorado

Weather alerts in Delta County, Colorado

2,293 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Delta County and its neighbors

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

Alerts
2,293
Warnings
738
Watches
572
Advisories
768
Busiest year
2014130 alerts
Average year
72over 32 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 19, 3:07 PM MDTSevere Thunderstorm WarningGJT23 min
Sep 14, 7:53 PM MDTSevere Thunderstorm WarningGJT37 min
Aug 30, 6:44 PM MDTSevere Thunderstorm WarningGJT31 min
Aug 30, 6:15 PM MDTSevere Thunderstorm WarningGJT30 min
Aug 5, 9:41 PM MDTRed Flag WarningGJT22 hr
Aug 4, 12:19 PM MDTRed Flag WarningGJT32 hr
Jul 20, 7:40 PM MDTFlash Flood Warning Considerable damage threatGJT3 hr
Jul 2, 12:46 PM MDTRed Flag WarningGJT31 hr
Jul 1, 12:34 PM MDTRed Flag WarningGJT31 hr
Jun 30, 1:19 PM MDTRed Flag WarningGJT31 hr
Jun 29, 11:43 AM MDTRed Flag WarningGJT33 hr
Jun 28, 10:04 PM MDTRed Flag WarningGJT22 hr

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.