Alert archive / Colorado / Morgan County
Weather alerts in Morgan County, Colorado, 2013
143 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 143
- Warnings
- 59
- Watches
- 22
- Advisories
- 20
- Busiest month
- June40 alerts
- Busiest day
- August 3, 201312 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 13 tornado warnings covering Morgan County in 2013 had a tornado report inside them; 2 of 3 tornado reports fell inside a warning, on average 10 minutes after it went out.
Morgan County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 13 | 2 | 85% | 3 | 67% | 10 min |
| Severe thunderstorm warnings | 27 | 7 | 74% | 8 | 63% | 17 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 61 | 9 | 85% | 16 | 75% | 18 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 227 | 65 | 71% | 173 | 61% | 18 min |
| NWS Denver/Boulder, CO: flash flood warnings | 85 | 19 | 78% | 50 | 82% | 148 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 |
|---|---|---|---|
| Feb 9, 5:32 AM MST | Blizzard Warning | BOU | 29 hr |
| Feb 19, 4:19 AM MST | Winter Storm Watch | BOU | 30 hr |
| Feb 20, 10:14 AM MST | Winter Storm Warning | BOU | 31 hr |
| Feb 22, 3:27 PM MST | Winter Storm Watch | BOU | 24 hr |
| Feb 23, 3:41 PM MST | Winter Storm Warning | BOU | 29 hr |
| Feb 26, 5:55 PM MST | Winter Weather Advisory | BOU | 10 hr |
| Mar 7, 4:21 AM MST | Winter Storm Watch | BOU | 24 hr |
| Mar 8, 4:14 AM MST | Winter Storm Warning | BOU | 37 hr |
| Mar 8, 11:30 AM MST | Blizzard Warning | BOU | 36 hr |
| Mar 9, 6:33 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Mar 21, 4:03 PM MDT | Winter Storm Watch | BOU | 14 hr |
| Mar 22, 6:20 AM MDT | Winter Storm Warning | BOU | 36 hr |
| Apr 7, 4:15 AM MDT | Winter Storm Watch | BOU | 36 hr |
| Apr 8, 11:19 AM MDT | Winter Storm Warning | BOU | 27 hr |
| Apr 8, 4:26 PM MDT | Winter Weather Advisory | BOU | 35 hr |
| Apr 8, 7:03 PM MDT | Severe Thunderstorm Warning | BOU | 27 min |
| Apr 8, 7:34 PM MDT | Tornado Warning | BOU | 26 min |
| Apr 8, 7:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Apr 8, 7:59 PM MDT | Tornado Warning | BOU | 46 min |
| Apr 14, 5:15 AM MDT | Winter Storm Watch | BOU | 26 hr |
| Apr 15, 4:51 AM MDT | Winter Weather Advisory | BOU | 23 hr |
| Apr 16, 3:52 PM MDT | Blizzard Watch | BOU | 16 hr |
| Apr 16, 3:52 PM MDT | Winter Weather Advisory | BOU | 35 hr |
| Apr 22, 5:46 AM MDT | Winter Weather Advisory | BOU | 27 hr |
| May 16, 2:12 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 24, 1:57 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 25, 2:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 26, 2:49 PM MDT | Mesoscale Discussion | SPC | 56 min |
| May 27, 1:00 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 28, 2:08 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 2:51 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 28, 5:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| May 28, 6:52 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 13, 1:14 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 13, 4:04 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 13, 5:00 PM MDT | Special Weather Statement | BOU | 45 min |
| Jun 13, 5:37 PM MDT | Severe Thunderstorm Warning | BOU | 53 min |
| Jun 13, 6:22 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 13, 6:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Jun 15, 1:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 15, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 15, 5:57 PM MDT | Mesoscale Discussion | SPC | 63 min |
| Jun 15, 8:03 PM MDT | Special Weather Statement | BOU | 42 min |
| Jun 15, 8:57 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Jun 16, 1:28 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jun 17, 1:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 17, 2:21 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 4:57 PM MDT | Severe Thunderstorm Warning | BOU | 33 min |
| Jun 17, 5:06 PM MDT | Tornado Warning | BOU | 24 min |
| Jun 17, 5:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 17, 5:26 PM MDT | Tornado Warning | BOU | 34 min |
| Jun 17, 5:28 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| Jun 17, 5:52 PM MDT | Tornado Warning | BOU | 38 min |
| Jun 18, 1:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 18, 1:53 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 3:09 PM MDT | Tornado Warning | BOU | 36 min |
| Jun 18, 5:11 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 18, 7:52 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 22, 12:11 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 4:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 22, 4:18 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 22, 4:31 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jun 22, 4:59 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jun 22, 5:40 PM MDT | Tornado Warning | BOU | 35 min |
| Jun 23, 3:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 23, 4:40 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 7:19 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jun 23, 10:14 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jun 28, 1:54 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 28, 9:22 PM MDT | Severe Thunderstorm Warning | BOU | 38 min |
| Jun 28, 9:26 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Jun 28, 10:03 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Jun 28, 10:12 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Jul 7, 4:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 6:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| Jul 10, 1:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jul 10, 1:29 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 10, 3:54 PM MDT | Severe Thunderstorm Warning | BOU | 51 min |
| Jul 12, 6:17 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jul 20, 4:03 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 6:06 PM MDT | Severe Thunderstorm Warning | BOU | 24 min |
| Jul 20, 6:28 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| Jul 20, 6:31 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Jul 20, 6:53 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| Jul 20, 7:12 PM MDT | Areal Flood Advisory | BOU | 93 min |
| Jul 20, 7:23 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 24, 1:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 5:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 26, 1:21 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jul 26, 3:11 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 26, 6:31 PM MDT | Severe Thunderstorm Warning | BOU | 44 min |
| Jul 26, 7:17 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jul 26, 7:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 28, 4:20 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 4:06 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Aug 1, 4:09 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 2, 10:05 PM MDT | Special Weather Statement | BOU | 40 min |
| Aug 3, 1:35 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Aug 3, 1:50 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Aug 3, 1:53 PM MDT | Tornado Warning | BOU | 37 min |
| Aug 3, 2:11 PM MDT | Tornado Warning | BOU | 34 min |
| Aug 3, 2:15 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Aug 3, 2:28 PM MDT | Tornado Warning | BOU | 32 min |
| Aug 3, 2:35 PM MDT | Tornado Watch | SPC | 6 hr |
| Aug 3, 2:41 PM MDT | Tornado Warning | BOU | 34 min |
| Aug 3, 3:16 PM MDT | Tornado Warning | BOU | 29 min |
| Aug 3, 5:21 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Aug 3, 5:45 PM MDT | Tornado Warning | BOU | 45 min |
| Aug 10, 9:10 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| Aug 12, 2:35 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 14, 8:29 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Aug 14, 9:00 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| Aug 18, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | 27 min |
| Aug 18, 6:38 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Sep 9, 4:09 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 12, 6:09 AM MDT | River Flood Warning | BOU | 6 days |
| Sep 12, 6:09 AM MDT | River Flood Warning | BOU | 8 days |
| Sep 14, 7:47 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Sep 15, 9:10 AM MDT | Areal Flood Warning | BOU | 12 hr |
| Sep 17, 3:40 PM MDT | River Flood Warning | BOU | 5 days |
| Sep 22, 4:10 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 7:20 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Sep 23, 10:22 AM MDT | River Flood Advisory | BOU | 30 hr |
| Sep 23, 10:22 AM MDT | River Flood Advisory | BOU | 30 hr |
| Sep 23, 12:02 PM MDT | Areal Flood Warning | BOU | 6 hr |
| Sep 23, 12:45 PM MDT | Areal Flood Advisory | BOU | 4 hr |
| Sep 23, 5:59 PM MDT | Areal Flood Advisory | BOU | 6 hr |
| Sep 23, 6:00 PM MDT | River Flood Advisory | BOU | 24 hr |
| Sep 23, 6:00 PM MDT | River Flood Advisory | BOU | 24 hr |
| Sep 27, 4:13 AM MDT | Frost Advisory | BOU | 28 hr |
| Oct 3, 10:27 AM MDT | Freeze Watch | BOU | 20 hr |
| Oct 3, 10:27 AM MDT | High Wind Watch | BOU | 5 hr |
| Oct 3, 2:57 PM MDT | High Wind Warning | BOU | 29 hr |
| Oct 4, 6:06 AM MDT | Freeze Warning | BOU | 27 hr |
| Oct 5, 6:05 PM MDT | Freeze Warning | BOU | 15 hr |
| Oct 14, 3:44 PM MDT | Freeze Warning | BOU | 17 hr |
| Oct 15, 9:05 AM MDT | Freeze Warning | BOU | 24 hr |
| Oct 16, 3:42 PM MDT | Winter Weather Advisory | BOU | 41 hr |
| Oct 21, 2:05 AM MDT | Dense Fog Advisory | BOU | 7 hr |
| Oct 29, 8:13 AM MDT | Dense Fog Advisory | BOU | 3 hr |
| Nov 20, 3:07 PM MST | Winter Weather Advisory | BOU | 25 hr |
| Dec 21, 5:15 AM MST | Dense Fog Advisory | BOU | 5 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 archive20122014
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.