Alert archive / Colorado / Jackson County

Weather alerts in Jackson County, Colorado, 2025

68 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Jackson County and its neighbors

Each county as a circle sized by its count in 2025. Tap one for its archive.

Alerts
68
Warnings
19
Watches
16
Advisories
25
Busiest month
December16 alerts
Busiest day
December 4, 20253 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Jackson County, 2025

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings10100%0
Flash flood warnings00

Each office's whole area, 2025

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Denver/Boulder, CO: tornado warnings321069%2556%13 min
NWS Denver/Boulder, CO: severe thunderstorm warnings36312665%36975%20 min
NWS Denver/Boulder, CO: flash flood warnings22291%560%42 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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
Jan 1, 3:06 AM MSTWinter Storm WarningBOU38 hr
Jan 3, 1:49 PM MSTWinter Weather AdvisoryBOU49 hr
Jan 9, 2:07 PM MSTWinter Weather AdvisoryBOU57 hr
Jan 16, 1:51 PM MSTWinter Weather AdvisoryBOU51 hr
Jan 19, 3:28 AM MSTExtreme Cold WatchBOU23 hr
Jan 20, 2:46 AM MSTExtreme Cold WarningBOU30 hr
Jan 23, 1:53 PM MSTWinter Weather AdvisoryBOU63 hr
Jan 31, 2:37 PM MSTWinter Weather AdvisoryBOU37 hr
Feb 1, 7:57 PM MSTHigh Wind WatchBOU8 hr
Feb 2, 4:02 AM MSTHigh Wind WarningBOU25 hr
Feb 6, 2:42 PM MSTWinter Weather AdvisoryBOU40 hr
Feb 10, 2:11 PM MSTWinter Weather AdvisoryBOU43 hr
Feb 12, 2:22 PM MSTWinter Storm WatchBOU13 hr
Feb 13, 2:55 AM MSTWinter Storm WarningBOU65 hr
Feb 13, 2:55 AM MSTWinter Weather AdvisoryBOU65 hr
Feb 15, 2:13 PM MSTWinter Storm WatchBOU12 hr
Feb 16, 2:22 AM MSTWinter Storm WarningBOU51 hr
Mar 2, 2:34 AM MSTWinter Storm WatchBOU33 hr
Mar 2, 2:38 PM MSTWinter Weather AdvisoryBOU50 hr
Mar 3, 2:16 AM MSTWinter Storm WarningBOU25 hr
Mar 5, 1:48 PM MSTWinter Weather AdvisoryBOU54 hr
Mar 13, 2:02 PM MDTWinter Weather AdvisoryBOU24 hr
Mar 17, 12:38 PM MDTWinter Weather AdvisoryBOU44 hr
Mar 20, 2:29 PM MDTWinter Weather AdvisoryBOU58 hr
Mar 30, 4:22 AM MDTWinter Storm WatchBOU23 hr
Mar 31, 3:44 AM MDTWinter Weather AdvisoryBOU50 hr
Apr 16, 2:33 PM MDTWinter Storm WatchBOU12 hr
Apr 16, 2:33 PM MDTWinter Weather AdvisoryBOU63 hr
May 4, 2:26 PM MDTWinter Storm WatchBOU24 hr
May 5, 2:14 PM MDTWinter Storm WarningBOU43 hr
May 17, 2:33 PM MDTWinter Weather AdvisoryBOU37 hr
May 30, 11:35 AM MDTRiver Flood WatchBOU3 days
Jun 12, 1:28 PM MDTSpecial Weather StatementBOU47 min
Jun 12, 1:45 PM MDTSevere Thunderstorm WarningBOU45 min
Jun 17, 10:54 AM MDTSpecial Weather StatementBOU36 min
Jun 17, 11:11 AM MDTSpecial Weather StatementBOU49 min
Jul 3, 5:15 PM MDTSpecial Weather StatementBOU45 min
Jul 16, 12:41 PM MDTMesoscale DiscussionSPC2 hr
Jul 16, 1:36 PM MDTMesoscale DiscussionSPC84 min
Jul 30, 12:10 PM MDTMesoscale DiscussionSPC2 hr
Aug 4, 2:09 PM MDTRed Flag WarningBOU30 hr
Aug 5, 2:04 PM MDTRed Flag WarningBOU30 hr
Aug 6, 2:47 PM MDTFire Weather WatchBOU18 hr
Aug 6, 2:47 PM MDTRed Flag WarningBOU29 hr
Aug 7, 9:07 AM MDTRed Flag WarningBOU35 hr
Aug 12, 2:33 PM MDTFire Weather WatchBOU24 hr
Aug 13, 2:50 PM MDTRed Flag WarningBOU29 hr
Aug 23, 1:21 PM MDTMesoscale DiscussionSPC114 min
Sep 22, 2:13 PM MDTWinter Weather AdvisoryBOU28 hr
Nov 16, 2:27 AM MSTWinter Weather AdvisoryBOU39 hr
Nov 28, 2:29 AM MSTWinter Weather AdvisoryBOU32 hr
Nov 29, 2:03 PM MSTWinter Weather AdvisoryBOU39 hr
Dec 4, 2:20 AM MSTWinter Storm WatchBOU12 hr
Dec 4, 2:20 AM MSTWinter Weather AdvisoryBOU45 hr
Dec 4, 2:21 PM MSTWinter Storm WarningBOU57 hr
Dec 5, 1:35 PM MSTWinter Weather AdvisoryBOU24 hr
Dec 7, 12:57 PM MSTHigh Wind WatchBOU20 hr
Dec 8, 9:12 AM MSTHigh Wind WarningBOU39 hr
Dec 10, 3:39 AM MSTHigh Wind WarningBOU31 hr
Dec 15, 12:55 PM MSTHigh Wind WatchBOU13 hr
Dec 16, 1:51 AM MSTHigh Wind WarningBOU58 hr
Dec 16, 2:06 PM MSTWinter Weather AdvisoryBOU33 hr
Dec 17, 2:26 PM MSTHigh Wind WatchBOU51 hr
Dec 18, 6:01 PM MSTHigh Wind WarningBOU26 hr
Dec 19, 2:07 AM MSTWinter Weather AdvisoryBOU43 hr
Dec 25, 1:44 PM MSTWinter Storm WatchBOU17 hr
Dec 26, 7:13 AM MSTWinter Storm WarningBOU46 hr
Dec 26, 2:40 PM MSTWinter Weather AdvisoryBOU44 hr

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20242026

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.