Alert archive / Colorado / Lincoln County
Weather alerts in Lincoln County, Colorado, 2011
165 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lincoln County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 165
- Warnings
- 63
- Watches
- 36
- Advisories
- 20
- Busiest month
- June41 alerts
- Busiest day
- June 17, 201110 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 4 tornado warnings covering Lincoln County in 2011 had a tornado report inside them.
Lincoln County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 28 | 9 | 68% | 17 | 47% | 20 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 35 | 6 | 83% | 11 | 73% | 12 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 212 | 85 | 60% | 251 | 65% | 19 min |
| NWS Denver/Boulder, CO: flash flood warnings | 36 | 6 | 83% | 7 | 86% | 68 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 7, 2:53 PM MST | Winter Storm Watch | BOU | 25 hr |
| Jan 8, 3:52 PM MST | Winter Weather Advisory | BOU | 41 hr |
| Jan 30, 3:13 PM MST | Winter Weather Advisory | BOU | 33 hr |
| Jan 31, 4:10 PM MST | Wind Chill Warning | BOU | 44 hr |
| Feb 2, 2:47 PM MST | Wind Chill Advisory | BOU | 17 hr |
| Feb 6, 3:52 PM MST | Winter Weather Advisory | BOU | 44 hr |
| Feb 8, 1:56 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Feb 28, 11:20 AM MST | Red Flag Warning | BOU | 6 hr |
| Mar 10, 4:37 AM MST | Fire Weather Watch | BOU | 11 hr |
| Mar 10, 3:39 PM MST | Red Flag Warning | BOU | 26 hr |
| Mar 15, 2:43 PM MDT | Red Flag Warning | BOU | 29 hr |
| Mar 15, 2:43 PM MDT | Red Flag Warning | BOU | 52 hr |
| Mar 19, 4:16 AM MDT | Red Flag Warning | BOU | 15 hr |
| Mar 20, 3:57 AM MDT | Fire Weather Watch | BOU | 9 hr |
| Mar 20, 12:41 PM MDT | Red Flag Warning | BOU | 33 hr |
| Mar 21, 4:31 AM MDT | Fire Weather Watch | BOU | 10 hr |
| Mar 21, 2:45 PM MDT | Red Flag Warning | BOU | 31 hr |
| Mar 23, 3:43 PM MDT | Fire Weather Watch | BOU | 11 hr |
| Mar 24, 2:38 AM MDT | Red Flag Warning | BOU | 17 hr |
| Mar 25, 9:50 AM MDT | Red Flag Warning | BOU | 10 hr |
| Mar 27, 8:18 PM MDT | Dense Fog Advisory | BOU | 13 hr |
| Apr 1, 4:20 AM MDT | Fire Weather Watch | BOU | 11 hr |
| Apr 1, 3:34 PM MDT | Red Flag Warning | BOU | 44 hr |
| Apr 4, 3:51 PM MDT | Red Flag Warning | BOU | 28 hr |
| Apr 6, 2:28 PM MDT | Fire Weather Watch | BOU | 24 hr |
| Apr 7, 2:47 PM MDT | Fire Weather Watch | BOU | 23 hr |
| Apr 7, 2:47 PM MDT | Red Flag Warning | BOU | 29 hr |
| Apr 8, 2:01 PM MDT | Red Flag Warning | BOU | 31 hr |
| Apr 14, 11:04 AM MDT | High Wind Warning | BOU | 29 hr |
| Apr 17, 9:54 AM MDT | Red Flag Warning | BOU | 10 hr |
| May 6, 2:02 PM MDT | Fire Weather Watch | BOU | 31 hr |
| May 7, 8:51 PM MDT | Red Flag Warning | BOU | 23 hr |
| May 8, 4:02 PM MDT | Red Flag Warning | BOU | 28 hr |
| May 11, 1:50 PM MDT | Special Weather Statement | BOU | 25 min |
| May 11, 2:35 PM MDT | Special Weather Statement | BOU | 40 min |
| May 11, 3:52 PM MDT | Tornado Watch | SPC | 6 hr |
| May 18, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | 58 min |
| May 18, 6:36 PM MDT | Mesoscale Discussion | SPC | 54 min |
| May 18, 9:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 1:24 PM MDT | Mesoscale Discussion | SPC | 66 min |
| May 23, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| May 24, 9:19 AM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| May 24, 9:37 AM MDT | Mesoscale Discussion | SPC | 83 min |
| May 24, 12:01 PM MDT | Special Weather Statement | BOU | 44 min |
| May 28, 8:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| May 28, 8:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 8:45 PM MDT | Severe Thunderstorm Warning | BOU | 45 min |
| May 28, 8:54 PM MDT | Tornado Warning | BOU | 51 min |
| Jun 1, 4:12 PM MDT | Red Flag Warning | BOU | 28 hr |
| Jun 11, 3:35 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 4:30 PM MDT | Severe Thunderstorm Warning | BOU | 60 min |
| Jun 11, 5:12 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Jun 11, 5:19 PM MDT | Tornado Warning | BOU | 22 min |
| Jun 11, 6:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 13, 4:24 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | 16 min |
| Jun 14, 11:36 AM MDT | Special Weather Statement | BOU | 24 min |
| Jun 14, 12:02 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jun 14, 1:19 PM MDT | Special Weather Statement | BOU | 41 min |
| Jun 14, 1:43 PM MDT | Special Weather Statement | BOU | 47 min |
| Jun 14, 1:50 PM MDT | Severe Thunderstorm Warning | BOU | 25 min |
| Jun 15, 6:50 PM MDT | Red Flag Warning | BOU | 25 hr |
| Jun 16, 1:55 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 5:03 PM MDT | Severe Thunderstorm Warning | BOU | 23 min |
| Jun 16, 5:24 PM MDT | Severe Thunderstorm Warning | BOU | 66 min |
| Jun 17, 12:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 17, 12:58 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 2:27 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Jun 17, 3:08 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Jun 17, 3:36 PM MDT | Special Weather Statement | BOU | 39 min |
| Jun 17, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| Jun 17, 4:29 PM MDT | Severe Thunderstorm Warning | BOU | 19 min |
| Jun 17, 4:59 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 17, 5:04 PM MDT | Special Weather Statement | BOU | 26 min |
| Jun 17, 5:20 PM MDT | Severe Thunderstorm Warning | BOU | 22 min |
| Jun 17, 6:03 PM MDT | Special Weather Statement | BOU | 27 min |
| Jun 17, 7:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 18, 11:45 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 12:31 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 1:37 PM MDT | Tornado Warning | BOU | 36 min |
| Jun 18, 2:08 PM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| Jun 18, 2:27 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Jun 18, 2:46 PM MDT | Tornado Warning | BOU | 29 min |
| Jun 18, 3:15 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| Jun 19, 2:04 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 28, 2:29 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 28, 2:59 PM MDT | Fire Weather Watch | BOU | 25 hr |
| Jun 28, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Jun 29, 3:48 PM MDT | Red Flag Warning | BOU | 28 hr |
| Jun 30, 7:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 1:23 AM MDT | Severe Thunderstorm Warning | BOU | 52 min |
| Jul 2, 12:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 3:20 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 2, 5:26 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 5:49 PM MDT | Special Weather Statement | BOU | 26 min |
| Jul 2, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | 62 min |
| Jul 2, 7:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 2:38 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 6, 2:56 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 7, 1:17 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 8, 1:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 8, 3:48 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 4:11 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Jul 8, 4:57 PM MDT | Severe Thunderstorm Warning | BOU | 16 min |
| Jul 8, 6:10 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| Jul 8, 7:57 PM MDT | Mesoscale Discussion | SPC | 63 min |
| Jul 9, 1:52 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 9, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 9, 4:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 9, 7:11 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 10, 3:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 10, 4:58 PM MDT | Severe Thunderstorm Warning | BOU | 53 min |
| Jul 10, 5:29 PM MDT | Severe Thunderstorm Warning | BOU | 54 min |
| Jul 12, 3:49 AM MDT | Flash Flood Watch | BOU | 25 hr |
| Jul 12, 2:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jul 13, 2:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 3:41 PM MDT | Tornado Watch | SPC | 6 hr |
| Jul 13, 6:46 PM MDT | Mesoscale Discussion | SPC | 29 min |
| Jul 14, 5:25 AM MDT | Flash Flood Watch | BOU | 16 hr |
| Jul 14, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 14, 8:05 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 23, 7:12 PM MDT | Areal Flood Advisory | BOU | 93 min |
| Jul 26, 4:25 PM MDT | Areal Flood Advisory | BOU | 75 min |
| Jul 26, 8:09 PM MDT | Special Weather Statement | BOU | 36 min |
| Jul 28, 8:25 PM MDT | Areal Flood Advisory | BOU | 80 min |
| Aug 2, 11:11 PM MDT | Areal Flood Advisory | BOU | 94 min |
| Aug 14, 1:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 17, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 17, 4:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 28, 9:20 PM MDT | Areal Flood Advisory | BOU | 115 min |
| Sep 16, 3:21 PM MDT | Severe Thunderstorm Warning | BOU | 29 min |
| Sep 21, 4:00 PM MDT | Frost Advisory | BOU | 16 hr |
| Sep 26, 10:45 AM MDT | Red Flag Warning | BOU | 8 hr |
| Oct 4, 2:50 AM MDT | Red Flag Warning | BOU | 15 hr |
| Oct 5, 3:49 PM MDT | High Wind Watch | BOU | 11 hr |
| Oct 6, 2:48 AM MDT | High Wind Warning | BOU | 16 hr |
| Oct 6, 4:27 AM MDT | Red Flag Warning | BOU | 16 hr |
| Oct 8, 5:46 AM MDT | Freeze Watch | BOU | 8 hr |
| Oct 8, 2:07 PM MDT | Freeze Warning | BOU | 19 hr |
| Oct 9, 1:45 PM MDT | Frost Advisory | BOU | 18 hr |
| Oct 14, 2:23 PM MDT | Fire Weather Watch | BOU | 14 hr |
| Oct 26, 1:58 PM MDT | Winter Weather Advisory | BOU | 4 hr |
| Oct 31, 5:02 AM MDT | Winter Storm Watch | BOU | 24 hr |
| Nov 1, 5:12 AM MDT | Blizzard Watch | BOU | 6 hr |
| Nov 1, 10:54 AM MDT | Blizzard Warning | BOU | 25 hr |
| Nov 1, 7:13 PM MDT | Mesoscale Discussion | SPC | 5 hr |
| Nov 2, 3:54 AM MDT | Mesoscale Discussion | SPC | 5 hr |
| Nov 2, 6:58 AM MDT | Mesoscale Discussion | SPC | 5 hr |
| Nov 6, 2:14 PM MST | Winter Storm Watch | BOU | 14 hr |
| Nov 7, 4:06 AM MST | Winter Storm Warning | BOU | 27 hr |
| Nov 8, 3:46 AM MST | Winter Weather Advisory | BOU | 4 hr |
| Nov 25, 1:34 PM MST | Fire Weather Watch | BOU | 14 hr |
| Nov 29, 12:14 PM MST | Winter Storm Watch | BOU | 23 hr |
| Nov 30, 5:35 AM MST | Winter Storm Warning | BOU | 33 hr |
| Nov 30, 11:27 AM MST | Winter Weather Advisory | BOU | 27 hr |
| Dec 2, 7:57 PM MST | Winter Weather Advisory | BOU | 18 hr |
| Dec 3, 3:20 PM MST | Winter Weather Advisory | BOU | 32 hr |
| Dec 13, 2:18 AM MST | Dense Fog Advisory | BOU | 9 hr |
| Dec 19, 4:58 AM MST | Winter Weather Advisory | BOU | 23 hr |
| Dec 19, 11:07 AM MST | Winter Storm Warning | BOU | 17 hr |
| Dec 20, 2:00 PM MST | Winter Storm Watch | BOU | 15 hr |
| Dec 21, 4:33 AM MST | Winter Weather Advisory | BOU | 30 hr |
| Dec 29, 3:03 PM MST | High Wind Watch | BOU | 19 hr |
| Dec 30, 10:15 AM MST | High Wind Warning | BOU | 31 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 | 28 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 5 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 3 |
| Blizzard Watch | 1 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 10 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 22 |
| Fire Weather Watch | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.