Alert archive / North Dakota / Billings County
Weather alerts in Billings County, North Dakota, 2021
117 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Billings County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 117
- Warnings
- 43
- Watches
- 22
- Advisories
- 34
- Busiest month
- June22 alerts
- Busiest day
- June 6, 20217 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Billings County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 7 | 30% | 3 | 100% | 33 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: tornado warnings | 12 | 5 | 58% | 7 | 86% | 8 min |
| NWS Bismarck, ND: severe thunderstorm warnings | 169 | 113 | 33% | 250 | 84% | 25 min |
| NWS Bismarck, ND: flash flood warnings | 7 | 5 | 29% | 6 | 100% | 92 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 3, 1:40 PM MST | Wind Advisory | BIS | 10 hr |
| Jan 12, 3:03 AM MST | High Wind Watch | BIS | 33 hr |
| Jan 13, 1:53 AM MST | High Wind Warning | BIS | 48 hr |
| Jan 15, 1:26 AM MST | Wind Advisory | BIS | 14 hr |
| Jan 20, 2:09 AM MST | Wind Advisory | BIS | 16 hr |
| Jan 25, 5:38 AM MST | Dense Fog Advisory | BIS | 3 hr |
| Jan 29, 8:39 PM MST | Dense Fog Advisory | BIS | 14 hr |
| Jan 31, 6:35 AM MST | Dense Fog Advisory | BIS | 4 hr |
| Feb 5, 2:14 AM MST | Wind Chill Warning | BIS | 10 days |
| Feb 5, 2:14 AM MST | Wind Chill Advisory | BIS | 6 days |
| Feb 15, 10:47 AM MST | Wind Chill Advisory | BIS | 24 hr |
| Feb 21, 1:51 PM MST | Wind Advisory | BIS | 27 hr |
| Feb 22, 8:43 PM MST | Wind Advisory | BIS | 20 hr |
| Feb 25, 1:11 AM MST | Red Flag Warning | BIS | 17 hr |
| Mar 5, 12:31 PM MST | Fire Weather Watch | BIS | 14 hr |
| Mar 6, 2:23 AM MST | Red Flag Warning | BIS | 14 hr |
| Mar 26, 1:33 PM MDT | Fire Weather Watch | BIS | 44 hr |
| Mar 27, 1:26 PM MDT | Red Flag Warning | BIS | 55 hr |
| Mar 28, 2:19 PM MDT | Wind Advisory | BIS | 3 hr |
| Mar 28, 5:44 PM MDT | High Wind Warning | BIS | 36 hr |
| Mar 30, 2:25 AM MDT | Wind Advisory | BIS | 19 hr |
| Mar 30, 2:50 AM MDT | Red Flag Warning | BIS | 16 hr |
| Mar 31, 3:03 AM MDT | Fire Weather Watch | BIS | 11 hr |
| Mar 31, 1:42 PM MDT | Red Flag Warning | BIS | 31 hr |
| Apr 2, 2:48 AM MDT | Red Flag Warning | BIS | 16 hr |
| Apr 3, 2:08 AM MDT | Red Flag Warning | BIS | 18 hr |
| Apr 4, 2:41 AM MDT | Red Flag Warning | BIS | 17 hr |
| Apr 8, 1:41 PM MDT | Wind Advisory | BIS | 27 hr |
| Apr 8, 1:51 PM MDT | Fire Weather Watch | BIS | 14 hr |
| Apr 9, 3:24 AM MDT | Red Flag Warning | BIS | 18 hr |
| Apr 10, 1:31 PM MDT | Wind Advisory | BIS | 55 hr |
| Apr 28, 2:34 PM MDT | Fire Weather Watch | BIS | 23 hr |
| Apr 29, 1:38 PM MDT | Red Flag Warning | BIS | 30 hr |
| May 1, 2:18 AM MDT | Red Flag Warning | BIS | 17 hr |
| May 7, 2:37 AM MDT | Red Flag Warning | BIS | 17 hr |
| May 24, 8:19 PM MDT | Wind Advisory | BIS | 21 hr |
| May 27, 2:39 AM MDT | Freeze Watch | BIS | 11 hr |
| Jun 5, 8:15 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 8:25 PM MDT | Special Weather Statement | BIS | 50 min |
| Jun 5, 9:16 PM MDT | Special Weather Statement | BIS | 44 min |
| Jun 5, 9:21 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 5, 9:58 PM MDT | Special Weather Statement | BIS | 47 min |
| Jun 5, 10:11 PM MDT | Severe Thunderstorm Warning | BIS | 37 min |
| Jun 6, 2:09 AM MDT | Red Flag Warning | BIS | 18 hr |
| Jun 8, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 8, 7:02 PM MDT | Special Weather Statement | BIS | 43 min |
| Jun 8, 7:22 PM MDT | Severe Thunderstorm Warning | BIS | 38 min |
| Jun 8, 7:35 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 10, 12:12 PM MDT | Wind Advisory | BIS | 5 hr |
| Jun 10, 1:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 10, 2:30 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 10, 4:36 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 7:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 8:54 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 10, 9:35 PM MDT | Severe Thunderstorm Warning | BIS | 40 min |
| Jun 10, 10:01 PM MDT | Severe Thunderstorm Warning | BIS | 59 min |
| Jun 11, 4:19 AM MDT | Wind Advisory | BIS | 16 hr |
| Jun 19, 5:41 PM MDT | Special Weather Statement | BIS | 34 min |
| Jun 19, 8:32 PM MDT | Special Weather Statement | BIS | 28 min |
| Jul 8, 2:34 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 8, 3:38 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 8, 4:56 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 5:51 PM MDT | Severe Thunderstorm Warning | BIS | 54 min |
| Jul 8, 5:52 PM MDT | Severe Thunderstorm Warning | BIS | 68 min |
| Jul 8, 6:11 PM MDT | Severe Thunderstorm Warning | BIS | 64 min |
| Jul 8, 6:44 PM MDT | Severe Thunderstorm Warning | BIS | 61 min |
| Jul 8, 6:50 PM MDT | Severe Thunderstorm Warning | BIS | 55 min |
| Jul 19, 3:23 AM MDT | Heat Advisory | BIS | 17 hr |
| Jul 20, 2:47 AM MDT | Red Flag Warning | BIS | 19 hr |
| Jul 22, 2:15 PM MDT | Special Weather Statement | BIS | 30 min |
| Jul 22, 2:24 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 22, 3:02 PM MDT | Special Weather Statement | BIS | 28 min |
| Jul 26, 1:05 PM MDT | Heat Advisory | BIS | 31 hr |
| Aug 7, 1:31 AM MDT | Special Weather Statement | BIS | 44 min |
| Aug 10, 3:02 AM MDT | Red Flag Warning | BIS | 17 hr |
| Aug 16, 2:07 AM MDT | Red Flag Warning | BIS | 20 hr |
| Aug 16, 1:25 PM MDT | Fire Weather Watch | BIS | 14 hr |
| Aug 17, 3:17 AM MDT | Red Flag Warning | BIS | 17 hr |
| Aug 22, 8:40 AM MDT | Wind Advisory | BIS | 10 hr |
| Aug 27, 2:55 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 9:04 AM MDT | Severe Thunderstorm Warning | BIS | 41 min |
| Sep 4, 2:49 PM MDT | Fire Weather Watch | BIS | 23 hr |
| Sep 5, 2:16 PM MDT | Red Flag Warning | BIS | 29 hr |
| Sep 9, 8:16 AM MDT | Red Flag Warning | BIS | 11 hr |
| Sep 14, 12:20 PM MDT | Fire Weather Watch | BIS | 14 hr |
| Sep 15, 2:14 AM MDT | Red Flag Warning | BIS | 17 hr |
| Sep 16, 1:31 PM MDT | Frost Advisory | BIS | 17 hr |
| Sep 17, 1:59 AM MDT | Red Flag Warning | BIS | 17 hr |
| Sep 17, 1:27 PM MDT | Fire Weather Watch | BIS | 6 hr |
| Sep 17, 7:50 PM MDT | Red Flag Warning | BIS | 23 hr |
| Sep 27, 2:35 AM MDT | Fire Weather Watch | BIS | 11 hr |
| Sep 27, 1:29 PM MDT | Red Flag Warning | BIS | 31 hr |
| Sep 30, 6:18 PM MDT | Frost Advisory | BIS | 14 hr |
| Oct 5, 2:50 AM MDT | Fire Weather Watch | BIS | 10 hr |
| Oct 5, 1:07 PM MDT | Red Flag Warning | BIS | 30 hr |
| Oct 12, 2:03 PM MDT | Winter Weather Advisory | BIS | 30 hr |
| Oct 12, 2:07 PM MDT | Wind Advisory | BIS | 30 hr |
| Oct 14, 12:54 PM MDT | Freeze Warning | BIS | 19 hr |
| Oct 24, 5:59 PM MDT | Wind Advisory | BIS | 32 hr |
| Nov 10, 1:17 PM MST | High Wind Watch | BIS | 13 hr |
| Nov 11, 2:16 AM MST | Wind Advisory | BIS | 18 hr |
| Nov 11, 7:52 PM MST | Wind Advisory | BIS | 12 hr |
| Nov 12, 1:23 PM MST | High Wind Watch | BIS | 13 hr |
| Nov 13, 2:17 AM MST | High Wind Warning | BIS | 18 hr |
| Nov 15, 12:59 AM MST | High Wind Watch | BIS | 13 hr |
| Nov 15, 1:40 PM MST | High Wind Warning | BIS | 51 hr |
| Nov 16, 8:38 AM MST | Red Flag Warning | BIS | 8 hr |
| Nov 30, 7:47 PM MST | Wind Advisory | BIS | 20 hr |
| Dec 4, 2:33 AM MST | High Wind Watch | BIS | 11 hr |
| Dec 4, 1:17 PM MST | High Wind Warning | BIS | 23 hr |
| Dec 5, 11:53 AM MST | Wind Advisory | BIS | 8 hr |
| Dec 15, 1:55 AM MST | Winter Weather Advisory | BIS | 24 hr |
| Dec 17, 1:08 PM MST | Wind Chill Advisory | BIS | 22 hr |
| Dec 26, 2:50 AM MST | Winter Weather Advisory | BIS | 30 hr |
| Dec 27, 8:52 AM MST | Wind Chill Advisory | BIS | 3 days |
| Dec 30, 12:59 PM MST | Wind Chill Warning | BIS | 70 hr |
| Dec 30, 12:59 PM MST | Wind Chill Advisory | BIS | 24 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 | 10 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 9 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 5 |
| Wind Advisory | 19 |
| Fire | |
| Red Flag Warning | 25 |
| Fire Weather Watch | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.