Alert archive / North Dakota / Bowman County
Weather alerts in Bowman County, North Dakota, 2008
178 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Bowman County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 178
- Warnings
- 54
- Watches
- 45
- Advisories
- 55
- Busiest month
- August24 alerts
- Busiest day
- August 10, 20085 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Bowman County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 2 | 80% | 1 | 100% | 38 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: tornado warnings | 60 | 15 | 75% | 24 | 79% | 14 min |
| NWS Bismarck, ND: severe thunderstorm warnings | 432 | 134 | 69% | 216 | 90% | 27 min |
| NWS Bismarck, ND: flash flood warnings | 10 | 3 | 70% | 4 | 75% | 10 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 13, 10:24 PM MST | Dense Fog Advisory | BIS | 11 hr |
| Jan 14, 1:32 PM MST | High Wind Watch | BIS | 17 hr |
| Jan 15, 3:54 AM MST | Wind Advisory | BIS | 23 hr |
| Jan 16, 4:06 AM MST | Winter Storm Watch | BIS | 23 hr |
| Jan 17, 3:29 AM MST | Winter Weather Advisory | BIS | 23 hr |
| Jan 18, 2:29 AM MST | Wind Chill Advisory | BIS | 30 hr |
| Jan 21, 8:43 PM MST | Wind Chill Advisory | BIS | 10 hr |
| Jan 22, 2:42 PM MST | Winter Weather Advisory | BIS | 12 hr |
| Jan 27, 2:02 PM MST | Winter Weather Advisory | BIS | 36 hr |
| Jan 28, 2:39 PM MST | Wind Chill Warning | BIS | 44 hr |
| Feb 2, 2:29 AM MST | Dense Fog Advisory | BIS | 7 hr |
| Feb 3, 3:05 PM MST | Snow Advisory | BIS | 26 hr |
| Feb 7, 2:19 PM MST | Wind Chill Watch | BIS | 25 hr |
| Feb 8, 2:55 PM MST | Winter Weather Advisory | BIS | 20 hr |
| Feb 9, 10:25 AM MST | Wind Chill Advisory | BIS | 22 hr |
| Feb 10, 4:10 AM MST | Snow Advisory | BIS | 11 hr |
| Feb 10, 2:51 PM MST | Winter Weather Advisory | BIS | 20 hr |
| Feb 13, 9:33 AM MST | Winter Weather Advisory | BIS | 11 hr |
| Feb 13, 8:23 PM MST | Wind Chill Advisory | BIS | 15 hr |
| Feb 15, 11:46 PM MST | Freezing Rain Advisory | BIS | 10 hr |
| Feb 17, 2:33 AM MST | Wind Advisory | BIS | 17 hr |
| Mar 2, 3:18 AM MST | Wind Advisory | BIS | 17 hr |
| Mar 12, 2:48 AM MDT | Wind Advisory | BIS | 15 hr |
| Mar 23, 8:55 PM MDT | High Wind Watch | BIS | 6 hr |
| Mar 24, 3:14 AM MDT | High Wind Warning | BIS | 18 hr |
| Mar 24, 4:03 AM MDT | Red Flag Warning | BIS | 17 hr |
| Mar 25, 1:50 PM MDT | Winter Storm Watch | BIS | 46 hr |
| Mar 29, 4:02 AM MDT | Wind Advisory | BIS | 17 hr |
| Apr 4, 3:55 AM MDT | Red Flag Warning | BIS | 16 hr |
| Apr 4, 2:19 PM MDT | Winter Storm Watch | BIS | 14 hr |
| Apr 5, 4:32 AM MDT | Winter Storm Warning | BIS | 24 hr |
| Apr 13, 3:05 AM MDT | Fire Weather Watch | BIS | 25 hr |
| Apr 14, 3:58 AM MDT | Red Flag Warning | BIS | 17 hr |
| Apr 14, 3:08 PM MDT | Fire Weather Watch | BIS | 12 hr |
| Apr 15, 3:24 AM MDT | Red Flag Warning | BIS | 18 hr |
| Apr 17, 3:03 PM MDT | Fire Weather Watch | BIS | 13 hr |
| Apr 18, 3:38 AM MDT | Red Flag Warning | BIS | 16 hr |
| Apr 18, 2:43 PM MDT | Fire Weather Watch | BIS | 13 hr |
| Apr 19, 3:37 AM MDT | Red Flag Warning | BIS | 20 hr |
| Apr 20, 6:05 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Apr 21, 3:19 PM MDT | Fire Weather Watch | BIS | 12 hr |
| Apr 22, 3:45 AM MDT | Red Flag Warning | BIS | 17 hr |
| Apr 27, 3:57 AM MDT | Red Flag Warning | BIS | 16 hr |
| Apr 28, 3:07 AM MDT | Fire Weather Watch | BIS | 24 hr |
| Apr 28, 3:07 AM MDT | Red Flag Warning | BIS | 17 hr |
| Apr 29, 3:07 AM MDT | Red Flag Warning | BIS | 18 hr |
| Apr 30, 3:06 PM MDT | Winter Storm Watch | BIS | 24 hr |
| May 1, 3:10 PM MDT | Snow and Blowing Snow Advisory | BIS | 19 hr |
| May 2, 3:40 AM MDT | Wind Advisory | BIS | 16 hr |
| May 15, 12:00 PM MDT | Fire Weather Watch | BIS | 16 hr |
| May 16, 3:24 AM MDT | Wind Advisory | BIS | 17 hr |
| May 16, 3:37 AM MDT | Red Flag Warning | BIS | 16 hr |
| May 16, 12:45 PM MDT | Fire Weather Watch | BIS | 15 hr |
| May 17, 3:12 AM MDT | Wind Advisory | BIS | 17 hr |
| May 17, 3:21 AM MDT | Red Flag Warning | BIS | 17 hr |
| May 18, 2:45 PM MDT | Fire Weather Watch | BIS | 13 hr |
| May 19, 3:13 AM MDT | Wind Advisory | BIS | 17 hr |
| May 19, 3:29 AM MDT | Red Flag Warning | BIS | 17 hr |
| May 21, 3:15 AM MDT | Wind Advisory | BIS | 17 hr |
| May 22, 3:23 AM MDT | Wind Advisory | BIS | 21 hr |
| May 23, 2:59 AM MDT | Wind Advisory | BIS | 17 hr |
| May 30, 7:18 PM MDT | Severe Thunderstorm Warning | BIS | 42 min |
| Jun 1, 5:26 PM MDT | Severe Thunderstorm Warning | BIS | 64 min |
| Jun 2, 2:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 2, 5:39 PM MDT | Areal Flood Advisory | BIS | 3 hr |
| Jun 3, 6:19 AM MDT | Dense Fog Advisory | BIS | 3 hr |
| Jun 12, 2:47 AM MDT | Wind Advisory | BIS | 16 hr |
| Jun 13, 3:29 AM MDT | Wind Advisory | BIS | 15 hr |
| Jun 13, 4:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 17, 12:40 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jun 17, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 6:29 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 18, 3:59 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 22, 6:00 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 8:30 PM MDT | Mesoscale Discussion | SPC | 60 min |
| Jun 24, 1:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 24, 1:51 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 12:59 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 26, 1:46 PM MDT | Severe Thunderstorm Warning | BIS | 59 min |
| Jun 26, 2:43 PM MDT | Severe Thunderstorm Warning | BIS | 42 min |
| Jul 10, 3:06 PM MDT | High Wind Watch | BIS | 13 hr |
| Jul 10, 3:29 PM MDT | Fire Weather Watch | BIS | 13 hr |
| Jul 11, 3:52 AM MDT | High Wind Warning | BIS | 16 hr |
| Jul 11, 4:18 AM MDT | Red Flag Warning | BIS | 16 hr |
| Jul 11, 2:58 PM MDT | Wind Advisory | BIS | 20 hr |
| Jul 12, 3:12 AM MDT | Red Flag Warning | BIS | 15 hr |
| Jul 12, 10:33 AM MDT | High Wind Warning | BIS | 7 hr |
| Jul 18, 1:33 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 3:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 22, 2:27 AM MDT | Severe Thunderstorm Warning | BIS | 63 min |
| Jul 23, 1:03 AM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 1:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 26, 8:57 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 26, 11:46 PM MDT | Severe Thunderstorm Warning | BIS | 59 min |
| Jul 27, 12:43 AM MDT | Severe Thunderstorm Warning | BIS | 62 min |
| Jul 27, 1:25 AM MDT | Mesoscale Discussion | SPC | 95 min |
| Jul 28, 2:38 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 30, 2:39 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jul 30, 3:07 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 3:14 PM MDT | Severe Thunderstorm Warning | BIS | 46 min |
| Jul 31, 2:53 PM MDT | Fire Weather Watch | BIS | 13 hr |
| Aug 1, 3:28 AM MDT | Red Flag Warning | BIS | 18 hr |
| Aug 2, 8:28 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 2, 11:05 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 3, 8:03 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 3, 9:49 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 1:26 AM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 9, 5:55 PM MDT | Severe Thunderstorm Warning | BIS | 65 min |
| Aug 9, 6:11 PM MDT | Areal Flood Advisory | BIS | 6 hr |
| Aug 9, 6:47 PM MDT | Severe Thunderstorm Warning | BIS | 58 min |
| Aug 10, 12:10 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Aug 10, 12:46 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 10, 4:28 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 13, 10:40 AM MDT | Red Flag Warning | BIS | 9 hr |
| Aug 18, 2:34 AM MDT | Fire Weather Watch | BIS | 24 hr |
| Aug 19, 2:58 AM MDT | Red Flag Warning | BIS | 18 hr |
| Aug 21, 2:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 22, 2:45 AM MDT | Wind Advisory | BIS | 17 hr |
| Aug 22, 12:27 PM MDT | High Wind Warning | BIS | 5 hr |
| Aug 25, 3:40 AM MDT | Red Flag Warning | BIS | 17 hr |
| Aug 26, 3:38 AM MDT | Wind Advisory | BIS | 20 hr |
| Aug 27, 3:41 AM MDT | Red Flag Warning | BIS | 11 hr |
| Aug 28, 3:07 AM MDT | Red Flag Warning | BIS | 16 hr |
| Aug 29, 2:54 AM MDT | Fire Weather Watch | BIS | 24 hr |
| Aug 30, 3:11 AM MDT | Red Flag Warning | BIS | 18 hr |
| Sep 2, 7:30 PM MDT | Frost Advisory | BIS | 11 hr |
| Sep 6, 10:50 PM MDT | Frost Advisory | BIS | 8 hr |
| Sep 7, 3:20 AM MDT | Frost Advisory | BIS | 27 hr |
| Sep 13, 3:08 AM MDT | Wind Advisory | BIS | 15 hr |
| Sep 13, 8:54 PM MDT | Frost Advisory | BIS | 11 hr |
| Sep 17, 2:51 AM MDT | Red Flag Warning | BIS | 17 hr |
| Sep 19, 3:37 AM MDT | Fire Weather Watch | BIS | 24 hr |
| Sep 20, 3:58 AM MDT | Red Flag Warning | BIS | 16 hr |
| Sep 28, 2:07 PM MDT | Freeze Warning | BIS | 18 hr |
| Sep 29, 2:30 PM MDT | Freeze Warning | BIS | 17 hr |
| Oct 2, 3:05 AM MDT | Fire Weather Watch | BIS | 24 hr |
| Oct 3, 3:24 AM MDT | Red Flag Warning | BIS | 16 hr |
| Oct 4, 3:21 AM MDT | Wind Advisory | BIS | 17 hr |
| Oct 7, 3:43 AM MDT | Fire Weather Watch | BIS | 11 hr |
| Oct 7, 2:53 PM MDT | Freeze Watch | BIS | 13 hr |
| Oct 7, 2:56 PM MDT | Red Flag Warning | BIS | 29 hr |
| Oct 8, 3:42 AM MDT | Freeze Warning | BIS | 28 hr |
| Oct 8, 3:42 AM MDT | Wind Advisory | BIS | 14 hr |
| Oct 9, 3:28 AM MDT | Winter Storm Watch | BIS | 12 hr |
| Oct 9, 2:47 PM MDT | Winter Storm Watch | BIS | 37 hr |
| Oct 9, 2:47 PM MDT | Winter Weather Advisory | BIS | 20 hr |
| Oct 11, 3:53 AM MDT | Winter Storm Warning | BIS | 44 hr |
| Oct 11, 10:29 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 13, 1:50 PM MDT | Freeze Warning | BIS | 18 hr |
| Oct 24, 2:33 PM MDT | Fire Weather Watch | BIS | 24 hr |
| Oct 24, 2:33 PM MDT | Red Flag Warning | BIS | 30 hr |
| Oct 24, 3:04 PM MDT | Wind Advisory | BIS | 32 hr |
| Oct 25, 2:44 AM MDT | High Wind Watch | BIS | 24 hr |
| Oct 25, 2:31 PM MDT | Red Flag Warning | BIS | 27 hr |
| Oct 26, 2:14 AM MDT | High Wind Warning | BIS | 16 hr |
| Nov 4, 2:07 AM MST | Winter Storm Watch | BIS | 51 hr |
| Nov 5, 2:24 AM MST | Blizzard Warning | BIS | 55 hr |
| Nov 6, 5:41 PM MST | Winter Weather Advisory | BIS | 20 hr |
| Nov 13, 2:01 PM MST | Wind Advisory | BIS | 27 hr |
| Nov 14, 1:17 PM MST | Mesoscale Discussion | SPC | 58 min |
| Nov 21, 2:50 AM MST | Winter Weather Advisory | BIS | 18 hr |
| Dec 2, 11:29 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 11, 2:07 PM MST | Winter Storm Watch | BIS | 14 hr |
| Dec 12, 3:57 AM MST | Blizzard Watch | BIS | 10 hr |
| Dec 12, 1:45 PM MST | Blizzard Warning | BIS | 57 hr |
| Dec 13, 10:35 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 13, 5:29 PM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 14, 3:36 AM MST | Wind Chill Warning | BIS | 31 hr |
| Dec 15, 11:10 AM MST | Wind Chill Advisory | BIS | 4 hr |
| Dec 18, 2:44 PM MST | Winter Storm Watch | BIS | 12 hr |
| Dec 19, 2:46 AM MST | Winter Weather Advisory | BIS | 24 hr |
| Dec 20, 2:22 AM MST | Wind Chill Advisory | BIS | 3 hr |
| Dec 20, 5:45 AM MST | Wind Chill Warning | BIS | 30 hr |
| Dec 22, 2:57 AM MST | Wind Chill Advisory | BIS | 8 hr |
| Dec 22, 2:57 AM MST | Winter Weather Advisory | BIS | 35 hr |
| Dec 25, 1:50 PM MST | Winter Weather Advisory | BIS | 42 hr |
| Dec 26, 10:56 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 29, 3:56 AM MST | Winter Weather Advisory | BIS | 31 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 archive20072009
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.