Alert archive / North Dakota / Burleigh County
Weather alerts in Burleigh County, North Dakota, 2012
143 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Burleigh County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 143
- Warnings
- 46
- Watches
- 28
- Advisories
- 53
- Busiest month
- March22 alerts
- Busiest day
- May 22, 20125 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Burleigh County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 18 | 11 | 39% | 18 | 83% | 34 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: tornado warnings | 6 | 0 | 100% | 1 | 0% | |
| NWS Bismarck, ND: severe thunderstorm warnings | 186 | 92 | 51% | 202 | 84% | 25 min |
| NWS Bismarck, ND: flash flood warnings | 5 | 1 | 80% | 2 | 50% | 70 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 31, 7:13 PM CST | Wind Advisory | BIS | 263 days |
| Jan 4, 2:57 PM CST | Fire Weather Watch | BIS | 14 hr |
| Jan 5, 4:52 AM CST | Red Flag Warning | BIS | 14 hr |
| Jan 5, 5:03 AM CST | Wind Advisory | BIS | 14 hr |
| Jan 10, 3:38 PM CST | Winter Weather Advisory | BIS | 28 hr |
| Jan 14, 3:51 PM CST | Areal Flood Warning | BIS | 66 hr |
| Jan 17, 3:29 AM CST | Extreme Cold Watch | BIS | 12 hr |
| Jan 17, 3:04 PM CST | Extreme Cold Warning | BIS | 61 hr |
| Jan 21, 4:13 AM CST | Winter Weather Advisory | BIS | 44 hr |
| Feb 2, 3:31 PM CST | Dense Fog Advisory | BIS | 44 hr |
| Feb 5, 12:03 AM CST | Dense Fog Advisory | BIS | 7 hr |
| Feb 22, 4:00 PM CST | Winter Weather Advisory | BIS | 22 hr |
| Feb 23, 2:46 PM CST | Winter Storm Watch | BIS | 24 hr |
| Feb 24, 2:50 PM CST | Winter Weather Advisory | BIS | 60 hr |
| Feb 26, 5:01 AM CST | Winter Storm Watch | BIS | 35 hr |
| Feb 26, 3:10 PM CST | Blizzard Watch | BIS | 25 hr |
| Feb 27, 4:27 PM CST | Winter Storm Warning | BIS | 46 hr |
| Mar 8, 3:31 AM CST | Wind Advisory | BIS | 14 hr |
| Mar 12, 2:49 AM CDT | Wind Advisory | BIS | 16 hr |
| Mar 12, 8:10 AM CDT | Dense Fog Advisory | BIS | 109 min |
| Mar 12, 3:05 PM CDT | Red Flag Warning | BIS | 4 hr |
| Mar 12, 3:39 PM CDT | Red Flag Warning | BIS | 27 hr |
| Mar 14, 12:17 AM CDT | Wind Advisory | BIS | 7 hr |
| Mar 14, 3:54 PM CDT | Fire Weather Watch | BIS | 24 hr |
| Mar 15, 3:46 PM CDT | Red Flag Warning | BIS | 29 hr |
| Mar 18, 4:45 AM CDT | Red Flag Warning | BIS | 40 hr |
| Mar 18, 3:42 PM CDT | High Wind Watch | BIS | 13 hr |
| Mar 18, 3:48 PM CDT | Fire Weather Watch | BIS | 21 hr |
| Mar 19, 4:23 AM CDT | Wind Advisory | BIS | 17 hr |
| Mar 23, 1:34 AM CDT | Dense Fog Advisory | BIS | 10 hr |
| Mar 25, 4:02 PM CDT | High Wind Watch | BIS | 23 hr |
| Mar 26, 3:59 AM CDT | Wind Advisory | BIS | 17 hr |
| Mar 26, 3:07 PM CDT | High Wind Warning | BIS | 25 hr |
| Mar 26, 6:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 26, 9:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Mar 26, 11:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 27, 4:12 PM CDT | Wind Advisory | BIS | 3 hr |
| Mar 30, 3:27 PM CDT | Fire Weather Watch | BIS | 25 hr |
| Mar 31, 3:58 PM CDT | Red Flag Warning | BIS | 30 hr |
| Apr 2, 3:01 AM CDT | Wind Advisory | BIS | 16 hr |
| Apr 6, 12:11 AM CDT | Wind Advisory | BIS | 19 hr |
| Apr 6, 4:34 AM CDT | Red Flag Warning | BIS | 15 hr |
| Apr 6, 11:38 PM CDT | Wind Advisory | BIS | 21 hr |
| Apr 7, 3:02 AM CDT | Red Flag Warning | BIS | 17 hr |
| Apr 8, 2:33 AM CDT | Red Flag Warning | BIS | 17 hr |
| Apr 8, 2:39 AM CDT | Wind Advisory | BIS | 17 hr |
| Apr 9, 3:00 AM CDT | Red Flag Warning | BIS | 17 hr |
| Apr 10, 3:00 AM CDT | Fire Weather Watch | BIS | 12 hr |
| Apr 12, 2:51 AM CDT | Wind Advisory | BIS | 17 hr |
| Apr 21, 4:21 AM CDT | Wind Advisory | BIS | 15 hr |
| Apr 26, 3:27 PM CDT | Wind Advisory | BIS | 30 hr |
| Apr 29, 3:19 AM CDT | Frost Advisory | BIS | 31 hr |
| May 5, 12:22 AM CDT | Dense Fog Advisory | BIS | 11 hr |
| May 10, 4:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 10, 5:34 PM CDT | Wind Advisory | BIS | 7 hr |
| May 11, 2:55 PM CDT | Frost Advisory | BIS | 17 hr |
| May 21, 7:33 PM CDT | Severe Thunderstorm Warning | BIS | 42 min |
| May 21, 8:41 PM CDT | Severe Thunderstorm Warning | BIS | 64 min |
| May 22, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 22, 4:03 PM CDT | Tornado Watch | SPC | 7 hr |
| May 22, 6:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 29, 4:16 AM CDT | Frost Advisory | BIS | 29 hr |
| May 30, 1:24 PM CDT | Frost Advisory | BIS | 20 hr |
| Jun 1, 3:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 6, 3:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 1:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 4:09 AM CDT | Wind Advisory | BIS | 38 hr |
| Jun 13, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 13, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | 54 min |
| Jun 13, 10:50 PM CDT | Severe Thunderstorm Warning | BIS | 40 min |
| Jun 13, 10:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 13, 11:19 PM CDT | Severe Thunderstorm Warning | BIS | 41 min |
| Jun 15, 10:19 PM CDT | Severe Thunderstorm Warning | BIS | 56 min |
| Jun 20, 1:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 24, 9:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 24, 9:31 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 24, 12:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 3:07 PM CDT | Heat Advisory | BIS | 29 hr |
| Jun 30, 8:05 AM CDT | Severe Thunderstorm Warning | BIS | 40 min |
| Jun 30, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 3, 6:52 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 3, 10:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 11, 9:47 PM CDT | Severe Thunderstorm Warning | BIS | 58 min |
| Jul 11, 10:37 PM CDT | Severe Thunderstorm Warning | BIS | 38 min |
| Jul 11, 11:10 PM CDT | Severe Thunderstorm Warning | BIS | 27 min |
| Jul 18, 2:37 PM CDT | Heat Advisory | BIS | 31 hr |
| Jul 24, 8:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 2, 4:50 PM CDT | Severe Thunderstorm Warning | BIS | 55 min |
| Aug 2, 5:42 PM CDT | Severe Thunderstorm Warning | BIS | 42 min |
| Aug 24, 3:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 5:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 24, 5:50 PM CDT | Severe Thunderstorm Warning | BIS | 55 min |
| Aug 24, 6:10 PM CDT | Severe Thunderstorm Warning | BIS | 49 min |
| Aug 24, 6:30 PM CDT | Severe Thunderstorm Warning | BIS | 45 min |
| Aug 24, 7:08 PM CDT | Severe Thunderstorm Warning | BIS | 67 min |
| Aug 24, 7:33 PM CDT | Severe Thunderstorm Warning | BIS | 57 min |
| Aug 24, 7:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Aug 24, 8:28 PM CDT | Severe Thunderstorm Warning | BIS | 62 min |
| Aug 25, 12:02 AM CDT | Red Flag Warning | BIS | 21 hr |
| Aug 27, 3:22 PM CDT | Fire Weather Watch | BIS | 24 hr |
| Aug 28, 1:27 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 28, 3:15 PM CDT | Red Flag Warning | BIS | 36 hr |
| Aug 31, 3:53 AM CDT | Fire Weather Watch | BIS | 11 hr |
| Aug 31, 3:12 PM CDT | Red Flag Warning | BIS | 31 hr |
| Sep 8, 4:17 AM CDT | Frost Advisory | BIS | 29 hr |
| Sep 10, 3:01 PM CDT | Red Flag Warning | BIS | 31 hr |
| Sep 11, 3:59 AM CDT | Frost Advisory | BIS | 29 hr |
| Sep 11, 2:43 PM CDT | Red Flag Warning | BIS | 30 hr |
| Sep 12, 3:11 PM CDT | Frost Advisory | BIS | 18 hr |
| Sep 13, 3:07 PM CDT | Frost Advisory | BIS | 18 hr |
| Sep 17, 2:17 PM CDT | Frost Advisory | BIS | 17 hr |
| Sep 18, 3:26 AM CDT | Fire Weather Watch | BIS | 25 hr |
| Sep 19, 4:02 AM CDT | Red Flag Warning | BIS | 16 hr |
| Sep 21, 3:33 AM CDT | Freeze Warning | BIS | 31 hr |
| Sep 22, 3:13 AM CDT | Freeze Warning | BIS | 30 hr |
| Sep 29, 3:44 AM CDT | Red Flag Warning | BIS | 15 hr |
| Oct 1, 4:03 AM CDT | Fire Weather Watch | BIS | 24 hr |
| Oct 1, 3:47 PM CDT | Red Flag Warning | BIS | 27 hr |
| Oct 3, 4:16 AM CDT | Winter Weather Advisory | BIS | 25 hr |
| Oct 11, 1:49 PM CDT | Fire Weather Watch | BIS | 14 hr |
| Oct 12, 11:42 AM CDT | Wind Advisory | BIS | 7 hr |
| Oct 15, 4:26 AM CDT | High Wind Watch | BIS | 33 hr |
| Oct 15, 11:28 AM CDT | Fire Weather Watch | BIS | 26 hr |
| Oct 16, 1:20 PM CDT | High Wind Warning | BIS | 56 hr |
| Oct 16, 1:36 PM CDT | Red Flag Warning | BIS | 53 hr |
| Oct 18, 6:53 PM CDT | Wind Advisory | BIS | 3 hr |
| Nov 1, 4:07 AM CDT | Winter Weather Advisory | BIS | 56 hr |
| Nov 3, 3:48 PM CDT | Freezing Rain Advisory | BIS | 22 hr |
| Nov 7, 4:17 AM CST | Winter Storm Watch | BIS | 34 hr |
| Nov 7, 4:17 AM CST | Winter Weather Advisory | BIS | 4 days |
| Nov 8, 3:21 AM CST | Winter Storm Warning | BIS | 72 hr |
| Nov 9, 4:42 AM CST | Freezing Rain Advisory | BIS | 13 hr |
| Nov 9, 6:17 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Nov 13, 11:25 PM CST | Dense Fog Advisory | BIS | 12 hr |
| Nov 17, 9:30 PM CST | Dense Fog Advisory | BIS | 16 hr |
| Nov 21, 3:27 AM CST | Wind Advisory | BIS | 42 hr |
| Nov 28, 4:54 AM CST | Dense Fog Advisory | BIS | 4 hr |
| Dec 1, 9:40 PM CST | Dense Fog Advisory | BIS | 12 hr |
| Dec 7, 3:59 PM CST | Winter Weather Advisory | BIS | 38 hr |
| Dec 8, 3:27 AM CST | Blizzard Warning | BIS | 30 hr |
| Dec 14, 8:06 PM CST | Dense Fog Advisory | BIS | 9 hr |
| Dec 17, 4:41 PM CST | Dense Fog Advisory | BIS | 10 hr |
| Dec 23, 3:34 PM CST | Wind Chill Advisory | BIS | 44 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 | 18 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 16 |
| Flooding | |
| Areal Flood Warning | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Blizzard Watch | 1 |
| Winter Storm Watch | 3 |
| Freezing Rain Advisory | 2 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 2 |
| Extreme Cold Watch | 1 |
| Frost Advisory | 9 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 3 |
| Wind Advisory | 20 |
| Fire | |
| Red Flag Warning | 19 |
| Fire Weather Watch | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.