Alert archive / Colorado / Lincoln County
Weather alerts in Lincoln County, Colorado, 2015
171 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 171
- Warnings
- 53
- Watches
- 32
- Advisories
- 23
- Busiest month
- June44 alerts
- Busiest day
- May 9, 201511 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 5 tornado warnings covering Lincoln County in 2015 had a tornado report inside them; 0 of 7 tornado reports fell inside a warning.
Lincoln County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 0 | 100% | 7 | 0% | |
| Severe thunderstorm warnings | 31 | 7 | 77% | 10 | 80% | 17 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 59 | 12 | 80% | 29 | 52% | 13 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 193 | 70 | 64% | 208 | 67% | 15 min |
| NWS Denver/Boulder, CO: flash flood warnings | 33 | 5 | 85% | 9 | 100% | 37 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 2, 3:37 PM MST | Winter Weather Advisory | BOU | 29 hr |
| Jan 3, 9:12 PM MST | Wind Chill Advisory | BOU | 12 hr |
| Jan 8, 3:08 PM MST | Winter Weather Advisory | BOU | 17 hr |
| Jan 21, 2:28 AM MST | Winter Weather Advisory | BOU | 18 hr |
| Feb 19, 2:26 PM MST | Winter Storm Watch | BOU | 22 hr |
| Feb 20, 4:25 AM MST | Winter Storm Warning | BOU | 67 hr |
| Feb 20, 12:53 PM MST | Winter Weather Advisory | BOU | 58 hr |
| Mar 16, 3:39 AM MDT | Red Flag Warning | BOU | 14 hr |
| Mar 22, 2:56 PM MDT | Fire Weather Watch | BOU | 24 hr |
| Mar 23, 2:40 PM MDT | Red Flag Warning | BOU | 27 hr |
| Apr 6, 4:58 AM MDT | Red Flag Warning | BOU | 13 hr |
| Apr 6, 1:34 PM MDT | Fire Weather Watch | BOU | 15 hr |
| Apr 7, 4:36 AM MDT | Fire Weather Watch | BOU | 15 hr |
| Apr 7, 4:36 AM MDT | Red Flag Warning | BOU | 15 hr |
| Apr 7, 7:15 PM MDT | Red Flag Warning | BOU | 25 hr |
| Apr 13, 5:25 AM MDT | Fire Weather Watch | BOU | 9 hr |
| Apr 13, 2:45 PM MDT | Red Flag Warning | BOU | 29 hr |
| Apr 15, 6:03 AM MDT | Red Flag Warning | BOU | 14 hr |
| Apr 23, 1:10 PM MDT | Mesoscale Discussion | SPC | 95 min |
| May 5, 4:21 AM MDT | Flash Flood Watch | BOU | 13 hr |
| May 5, 8:28 AM MDT | Dense Fog Advisory | BOU | 4 hr |
| May 6, 4:55 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| May 6, 5:31 PM MDT | Mesoscale Discussion | SPC | 89 min |
| May 7, 1:00 PM MDT | Special Weather Statement | BOU | 45 min |
| May 7, 2:11 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 7, 3:38 PM MDT | Severe Thunderstorm Warning | BOU | 67 min |
| May 7, 4:44 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| May 7, 5:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 5:10 AM MDT | Flash Flood Watch | BOU | 15 hr |
| May 9, 5:15 AM MDT | Winter Storm Warning | BOU | 25 hr |
| May 9, 8:56 AM MDT | Areal Flood Advisory | BOU | 3 hr |
| May 9, 9:09 AM MDT | Winter Storm Watch | BOU | 4 hr |
| May 9, 11:43 AM MDT | Areal Flood Advisory | BOU | 3 hr |
| May 9, 11:55 AM MDT | Tornado Watch | SPC | 11 hr |
| May 9, 2:34 PM MDT | Mesoscale Discussion | SPC | 56 min |
| May 9, 4:17 PM MDT | Tornado Warning | BOU | 17 min |
| May 9, 4:37 PM MDT | Tornado Warning | BOU | 23 min |
| May 9, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| May 9, 5:36 PM MDT | Special Weather Statement | BOU | 54 min |
| May 9, 7:49 PM MDT | Areal Flood Warning | BOU | 18 hr |
| May 10, 5:26 AM MDT | Frost Advisory | BOU | 26 hr |
| May 10, 5:56 AM MDT | Winter Storm Warning | BOU | 3 hr |
| May 19, 6:52 AM MDT | Areal Flood Advisory | BOU | 8 hr |
| May 22, 2:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| May 22, 6:08 PM MDT | Special Weather Statement | BOU | 37 min |
| May 23, 5:41 AM MDT | Flash Flood Watch | BOU | 18 hr |
| May 23, 12:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 12:54 PM MDT | Tornado Watch | SPC | 6 hr |
| May 23, 4:11 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 4:44 AM MDT | Flash Flood Watch | BOU | 14 hr |
| May 24, 12:22 PM MDT | Mesoscale Discussion | SPC | 83 min |
| May 27, 5:43 PM MDT | Severe Thunderstorm Warning | BOU | 32 min |
| May 28, 12:39 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 1:18 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 2:04 PM MDT | Severe Thunderstorm Warning | BOU | 31 min |
| May 28, 3:07 PM MDT | Severe Thunderstorm Warning | BOU | 14 min |
| May 28, 3:38 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| May 31, 2:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| May 31, 4:15 PM MDT | Special Weather Statement | BOU | 45 min |
| May 31, 4:39 PM MDT | Special Weather Statement | BOU | 51 min |
| May 31, 5:37 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 3, 7:14 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 3, 10:28 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Jun 3, 10:43 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| Jun 3, 10:59 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 11:29 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jun 4, 1:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 4, 2:20 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 4, 6:58 PM MDT | Tornado Warning | BOU | 32 min |
| Jun 5, 12:52 AM MDT | Severe Thunderstorm Warning | BOU | 23 min |
| Jun 5, 2:21 AM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 5, 3:03 AM MDT | Flash Flood Warning | BOU | 3 hr |
| Jun 5, 4:27 AM MDT | Flash Flood Watch | BOU | 18 hr |
| Jun 5, 12:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 5, 1:09 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 5, 3:41 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Jun 5, 4:34 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| Jun 5, 4:36 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jun 6, 2:14 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 6, 3:59 PM MDT | Tornado Warning | BOU | 31 min |
| Jun 6, 4:25 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 6, 5:29 PM MDT | Special Weather Statement | BOU | 46 min |
| Jun 6, 6:55 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 6, 9:33 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jun 7, 1:36 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 11:41 AM MDT | Flash Flood Watch | BOU | 39 hr |
| Jun 10, 4:52 PM MDT | Severe Thunderstorm Warning | BOU | 38 min |
| Jun 10, 5:25 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| Jun 11, 11:56 AM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 11, 12:14 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 11, 2:26 PM MDT | Severe Thunderstorm Warning | BOU | 34 min |
| Jun 11, 2:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 11, 6:10 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 16, 2:44 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 7:29 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jun 16, 8:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 16, 9:28 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Jun 23, 7:09 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Jun 23, 7:32 PM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jun 24, 2:34 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 24, 7:19 PM MDT | Severe Thunderstorm Warning | BOU | 14 min |
| Jun 25, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 25, 4:25 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 25, 7:04 PM MDT | Severe Thunderstorm Warning | BOU | 41 min |
| Jun 28, 8:59 PM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jul 1, 2:43 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 2, 10:53 PM MDT | Special Weather Statement | BOU | 52 min |
| Jul 3, 10:54 PM MDT | Special Weather Statement | BOU | 51 min |
| Jul 3, 11:19 PM MDT | Special Weather Statement | BOU | 41 min |
| Jul 14, 2:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 15, 5:15 PM MDT | Special Weather Statement | BOU | 60 min |
| Jul 15, 5:38 PM MDT | Special Weather Statement | BOU | 52 min |
| Jul 18, 6:32 PM MDT | Special Weather Statement | BOU | 58 min |
| Jul 19, 1:18 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 19, 2:28 PM MDT | Special Weather Statement | BOU | 47 min |
| Jul 19, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 19, 2:45 PM MDT | Severe Thunderstorm Warning | BOU | 14 min |
| Jul 19, 3:10 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| Jul 19, 5:02 PM MDT | Special Weather Statement | BOU | 43 min |
| Jul 19, 6:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jul 21, 12:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 21, 6:03 PM MDT | Special Weather Statement | BOU | 27 min |
| Jul 21, 6:48 PM MDT | Special Weather Statement | BOU | 42 min |
| Jul 26, 12:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 1:07 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 26, 4:22 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 30, 6:46 PM MDT | Special Weather Statement | BOU | 29 min |
| Jul 30, 7:12 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Aug 3, 2:47 PM MDT | Areal Flood Advisory | BOU | 118 min |
| Aug 7, 2:12 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 7, 3:05 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 9, 11:48 PM MDT | Special Weather Statement | BOU | 27 min |
| Aug 10, 3:55 AM MDT | Special Weather Statement | BOU | 35 min |
| Aug 15, 8:51 PM MDT | Severe Thunderstorm Warning | BOU | 24 min |
| Aug 15, 9:09 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| Aug 15, 9:23 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Aug 15, 9:40 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| Aug 15, 10:14 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Aug 16, 5:42 AM MDT | Flash Flood Watch | BOU | 15 hr |
| Aug 16, 12:08 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 16, 2:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 8:18 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 16, 8:23 PM MDT | Special Weather Statement | BOU | 37 min |
| Aug 17, 1:59 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 2:32 PM MDT | Tornado Watch | SPC | 7 hr |
| Aug 17, 3:47 PM MDT | Severe Thunderstorm Warning | BOU | 43 min |
| Aug 17, 4:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| Aug 17, 4:33 PM MDT | Flash Flood Warning | BOU | 3 hr |
| Aug 17, 4:38 PM MDT | Tornado Warning | BOU | 37 min |
| Aug 17, 4:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 17, 5:07 PM MDT | Severe Thunderstorm Warning | BOU | 38 min |
| Aug 17, 5:42 PM MDT | Severe Thunderstorm Warning | BOU | 48 min |
| Sep 13, 2:44 PM MDT | Fire Weather Watch | BOU | 25 hr |
| Sep 14, 3:47 PM MDT | Red Flag Warning | BOU | 28 hr |
| Oct 6, 7:44 PM MDT | Special Weather Statement | BOU | 46 min |
| Oct 14, 12:25 PM MDT | Freeze Watch | BOU | 16 hr |
| Oct 15, 4:25 AM MDT | Frost Advisory | BOU | 29 hr |
| Oct 23, 3:54 AM MDT | Frost Advisory | BOU | 28 hr |
| Oct 27, 3:13 AM MDT | Frost Advisory | BOU | 29 hr |
| Nov 2, 3:42 PM MST | Red Flag Warning | BOU | 25 hr |
| Nov 9, 3:05 PM MST | Blizzard Watch | BOU | 14 hr |
| Nov 10, 5:05 AM MST | Blizzard Warning | BOU | 30 hr |
| Nov 11, 1:27 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 3:36 PM MST | Blizzard Watch | BOU | 14 hr |
| Nov 16, 5:57 AM MST | Blizzard Warning | BOU | 32 hr |
| Nov 16, 5:57 AM MST | Winter Weather Advisory | BOU | 26 hr |
| Nov 17, 4:32 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Nov 17, 9:27 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Nov 25, 10:25 AM MST | Winter Weather Advisory | BOU | 42 hr |
| Dec 14, 3:45 AM MST | Winter Weather Advisory | BOU | 37 hr |
| Dec 23, 3:14 AM MST | Dense Fog Advisory | BOU | 7 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 archive20142016
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.