Alert archive / Colorado / Morgan County
Weather alerts in Morgan County, Colorado, 2024
163 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Morgan County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 163
- Warnings
- 57
- Watches
- 22
- Advisories
- 25
- Busiest month
- August51 alerts
- Busiest day
- August 13, 202415 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 3 tornado warnings covering Morgan County in 2024 had a tornado report inside them.
Morgan County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 35 | 13 | 63% | 17 | 76% | 21 min |
| Flash flood warnings | 2 | 2 | 0% | 3 | 100% | 37 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 27 | 2 | 93% | 15 | 20% | 11 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 295 | 119 | 60% | 339 | 79% | 20 min |
| NWS Denver/Boulder, CO: flash flood warnings | 32 | 9 | 72% | 14 | 79% | 40 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 2:25 PM MST | Dense Fog Advisory | BOU | 19 hr |
| Jan 11, 3:10 AM MST | Wind Chill Watch | BOU | 23 hr |
| Jan 12, 2:10 AM MST | Wind Chill Warning | BOU | 4 days |
| Feb 3, 5:53 PM MST | Dense Fog Advisory | BOU | 16 hr |
| Feb 9, 12:47 PM MST | Winter Weather Advisory | BOU | 40 hr |
| Feb 15, 2:22 AM MST | Dense Fog Advisory | BOU | 8 hr |
| Feb 24, 1:43 PM MST | Red Flag Warning | BOU | 34 hr |
| Feb 25, 1:32 PM MST | Red Flag Warning | BOU | 28 hr |
| Feb 27, 9:12 AM MST | Mesoscale Discussion | SPC | 3 hr |
| Feb 29, 12:10 PM MST | Fire Weather Watch | BOU | 19 hr |
| Mar 1, 6:46 AM MST | Red Flag Warning | BOU | 36 hr |
| Mar 7, 1:50 AM MST | Winter Weather Advisory | BOU | 39 hr |
| Apr 2, 2:33 PM MDT | Fire Weather Watch | BOU | 47 hr |
| Apr 4, 4:25 AM MDT | Red Flag Warning | BOU | 41 hr |
| Apr 4, 2:58 PM MDT | High Wind Watch | BOU | 36 hr |
| Apr 5, 11:50 AM MDT | High Wind Warning | BOU | 54 hr |
| Apr 5, 1:37 PM MDT | Red Flag Warning | BOU | 53 hr |
| Apr 14, 3:30 AM MDT | Fire Weather Watch | BOU | 11 hr |
| Apr 14, 2:13 PM MDT | Red Flag Warning | BOU | 30 hr |
| Apr 15, 3:15 AM MDT | High Wind Watch | BOU | 11 hr |
| Apr 15, 2:18 PM MDT | High Wind Warning | BOU | 28 hr |
| Apr 25, 2:54 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| May 6, 1:24 PM MDT | Freeze Watch | BOU | 23 hr |
| May 7, 4:07 PM MDT | Frost Advisory | BOU | 16 hr |
| May 20, 2:47 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 4:07 PM MDT | Tornado Watch | SPC | 7 hr |
| May 20, 6:22 PM MDT | Severe Thunderstorm Warning | BOU | 38 min |
| May 20, 6:53 PM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| May 20, 6:56 PM MDT | Tornado Warning | BOU | 34 min |
| May 20, 7:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| May 20, 7:36 PM MDT | Severe Thunderstorm Warning | BOU | 24 min |
| May 20, 7:51 PM MDT | Severe Thunderstorm Warning | BOU | 39 min |
| May 20, 8:02 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| May 20, 8:08 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| May 21, 7:03 PM MDT | Frost Advisory | BOU | 13 hr |
| May 28, 8:11 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| May 29, 12:18 PM MDT | Mesoscale Discussion | SPC | 117 min |
| May 29, 1:51 PM MDT | Special Weather Statement | BOU | 39 min |
| May 29, 2:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 2:57 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 4:55 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 9:07 PM MDT | Severe Thunderstorm Warning | BOU | 53 min |
| May 31, 2:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 1, 1:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 1, 3:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 2, 1:51 PM MDT | Mesoscale Discussion | SPC | 39 min |
| Jun 8, 11:51 AM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 8, 12:26 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 8, 2:41 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Jun 8, 3:14 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jun 8, 3:24 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Jun 8, 3:34 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 8, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| Jun 8, 4:20 PM MDT | Tornado Warning | BOU | 25 min |
| Jun 8, 4:55 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 10, 5:01 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jun 10, 5:44 PM MDT | Special Weather Statement | BOU | 46 min |
| Jun 10, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jun 10, 6:42 PM MDT | Special Weather Statement | BOU | 33 min |
| Jun 10, 8:00 PM MDT | Special Weather Statement | BOU | 30 min |
| Jun 14, 1:44 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 14, 2:10 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 14, 3:20 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Jun 14, 3:59 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Jun 15, 6:32 PM MDT | Special Weather Statement | BOU | 28 min |
| Jun 16, 2:42 PM MDT | Fire Weather Watch | BOU | 12 hr |
| Jun 16, 2:42 PM MDT | Red Flag Warning | BOU | 30 hr |
| Jun 16, 7:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 1:23 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 20, 7:22 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 28, 2:56 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 3:54 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jul 7, 2:12 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 7, 2:23 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| Jul 7, 2:47 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jul 7, 2:51 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 7, 3:11 PM MDT | Special Weather Statement | BOU | 49 min |
| Jul 10, 12:24 PM MDT | Heat Advisory | BOU | 3 days |
| Jul 10, 12:24 PM MDT | Heat Advisory | BOU | 4 days |
| Jul 11, 4:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 15, 2:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 17, 12:20 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 17, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 17, 4:23 PM MDT | Special Weather Statement | BOU | 52 min |
| Jul 18, 6:12 PM MDT | Special Weather Statement | BOU | 33 min |
| Jul 19, 4:16 PM MDT | Special Weather Statement | BOU | 29 min |
| Jul 19, 4:49 PM MDT | Special Weather Statement | BOU | 41 min |
| Jul 19, 6:51 PM MDT | Special Weather Statement | BOU | 39 min |
| Jul 20, 1:57 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 20, 4:54 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Jul 20, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jul 25, 9:55 AM MDT | Red Flag Warning | BOU | 9 hr |
| Jul 26, 5:02 PM MDT | Special Weather Statement | BOU | 43 min |
| Jul 27, 3:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Aug 2, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Aug 2, 4:39 PM MDT | Special Weather Statement | BOU | 51 min |
| Aug 2, 5:36 PM MDT | Special Weather Statement | BOU | 39 min |
| Aug 2, 6:27 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Aug 4, 4:16 PM MDT | Special Weather Statement | BOU | 44 min |
| Aug 4, 4:43 PM MDT | Special Weather Statement | BOU | 47 min |
| Aug 4, 4:59 PM MDT | Special Weather Statement | BOU | 46 min |
| Aug 4, 5:17 PM MDT | Special Weather Statement | BOU | 43 min |
| Aug 4, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| Aug 4, 5:46 PM MDT | Special Weather Statement | BOU | 44 min |
| Aug 7, 12:57 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 2:18 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 7, 3:15 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Aug 7, 3:45 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Aug 7, 5:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 5:56 PM MDT | Special Weather Statement | BOU | 49 min |
| Aug 12, 1:20 AM MDT | Dense Fog Advisory | BOU | 8 hr |
| Aug 12, 5:34 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Aug 12, 5:54 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| Aug 12, 6:07 PM MDT | Areal Flood Advisory | BOU | 30 min |
| Aug 12, 6:37 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Aug 12, 7:09 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Aug 12, 7:15 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| Aug 12, 7:24 PM MDT | Tornado Warning | BOU | 36 min |
| Aug 12, 7:59 PM MDT | Special Weather Statement | BOU | 46 min |
| Aug 12, 8:02 PM MDT | Special Weather Statement | BOU | 43 min |
| Aug 12, 8:24 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 12, 10:06 PM MDT | Areal Flood Warning | BOU | 3 hr |
| Aug 13, 10:29 AM MDT | Flood Watch | BOU | 10 hr |
| Aug 13, 2:42 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 4:31 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Aug 13, 4:52 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 13, 5:18 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Aug 13, 5:57 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Aug 13, 6:34 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 13, 6:46 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 19, 1:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Aug 19, 1:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 19, 1:54 PM MDT | Special Weather Statement | BOU | 36 min |
| Aug 19, 2:15 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| Aug 19, 3:36 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 19, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| Aug 19, 6:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Aug 19, 7:01 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 19, 7:17 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 19, 8:25 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 23, 4:04 PM MDT | Special Weather Statement | BOU | 26 min |
| Aug 23, 4:45 PM MDT | Special Weather Statement | BOU | 30 min |
| Aug 23, 4:51 PM MDT | Special Weather Statement | BOU | 24 min |
| Aug 23, 4:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Aug 23, 5:21 PM MDT | Severe Thunderstorm Warning | BOU | 39 min |
| Sep 4, 12:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Sep 10, 2:01 PM MDT | Fire Weather Watch | BOU | 24 hr |
| Sep 11, 2:14 PM MDT | Red Flag Warning | BOU | 30 hr |
| Sep 15, 4:00 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 17, 1:08 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 17, 2:54 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 17, 4:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| Sep 17, 4:39 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Oct 3, 2:18 PM MDT | Fire Weather Watch | BOU | 23 hr |
| Oct 4, 1:27 PM MDT | Red Flag Warning | BOU | 30 hr |
| Oct 16, 1:36 PM MDT | Red Flag Warning | BOU | 28 hr |
| Oct 24, 2:56 AM MDT | Frost Advisory | BOU | 30 hr |
| Oct 24, 3:04 AM MDT | Red Flag Warning | BOU | 15 hr |
| Oct 31, 4:41 AM MDT | Dense Fog Advisory | BOU | 4 hr |
| Nov 5, 3:38 AM MST | Winter Weather Advisory | BOU | 61 hr |
| Nov 7, 1:43 PM MST | Winter Weather Advisory | BOU | 46 hr |
| Dec 28, 2:12 PM MST | High Wind Watch | BOU | 24 hr |
| Dec 29, 2:17 PM MST | High Wind Warning | BOU | 27 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 35 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 33 |
| Special Weather Statement | 26 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 3 |
| Fire | |
| Red Flag Warning | 12 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.