Alert archive / North Dakota / Divide County
Weather alerts in Divide County, North Dakota, 2023
55 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Divide County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 55
- Warnings
- 11
- Watches
- 4
- Advisories
- 34
- Busiest month
- January11 alerts
- Busiest day
- August 31, 20233 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Divide County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 3 | 0% | 1 | 100% | 19 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: tornado warnings | 4 | 1 | 75% | 4 | 25% | 11 min |
| NWS Bismarck, ND: severe thunderstorm warnings | 132 | 89 | 33% | 203 | 86% | 26 min |
| NWS Bismarck, ND: flash flood warnings | 1 | 0 | 100% | 0 |
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 |
|---|---|---|---|
| Jan 3, 2:06 AM CST | Dense Fog Advisory | BIS | 34 hr |
| Jan 4, 5:46 PM CST | Dense Fog Advisory | BIS | 10 hr |
| Jan 5, 9:53 PM CST | Dense Fog Advisory | BIS | 14 hr |
| Jan 11, 6:44 AM CST | Dense Fog Advisory | BIS | 3 hr |
| Jan 11, 11:34 PM CST | Dense Fog Advisory | BIS | 13 hr |
| Jan 15, 6:18 AM CST | Dense Fog Advisory | BIS | 33 hr |
| Jan 18, 9:15 PM CST | Dense Fog Advisory | BIS | 36 hr |
| Jan 25, 4:06 AM CST | Wind Advisory | BIS | 51 hr |
| Jan 27, 1:01 PM CST | Wind Chill Advisory | BIS | 71 hr |
| Jan 28, 1:27 PM CST | Wind Chill Warning | BIS | 46 hr |
| Jan 30, 11:25 AM CST | Wind Chill Advisory | BIS | 25 hr |
| Feb 1, 1:45 PM CST | Wind Chill Advisory | BIS | 46 hr |
| Feb 20, 2:51 AM CST | Winter Weather Advisory | BIS | 43 hr |
| Feb 21, 1:58 PM CST | Wind Chill Warning | BIS | 46 hr |
| Feb 21, 1:58 PM CST | Wind Chill Advisory | BIS | 4 days |
| Mar 9, 10:14 AM CST | Winter Storm Watch | BIS | 16 hr |
| Mar 10, 2:43 AM CST | Blizzard Warning | BIS | 47 hr |
| Mar 10, 2:43 AM CST | Winter Weather Advisory | BIS | 51 hr |
| Mar 10, 11:08 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 11, 4:41 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 17, 2:33 PM CDT | Wind Chill Advisory | BIS | 20 hr |
| Mar 23, 6:42 AM CDT | Dense Fog Advisory | BIS | 5 hr |
| Mar 26, 3:48 AM CDT | Dense Fog Advisory | BIS | 8 hr |
| Apr 18, 2:56 AM CDT | Winter Storm Watch | BIS | 12 hr |
| Apr 18, 2:43 PM CDT | Winter Storm Warning | BIS | 36 hr |
| Apr 20, 3:07 AM CDT | Winter Weather Advisory | BIS | 42 hr |
| May 18, 2:39 PM CDT | Frost Advisory | BIS | 18 hr |
| May 25, 8:43 PM CDT | Severe Thunderstorm Warning | BIS | 29 min |
| Jun 4, 8:45 PM CDT | Special Weather Statement | BIS | 30 min |
| Jun 4, 9:14 PM CDT | Special Weather Statement | BIS | 31 min |
| Aug 16, 3:14 AM CDT | Wind Advisory | BIS | 18 hr |
| Aug 17, 2:25 PM CDT | Heat Advisory | BIS | 30 hr |
| Aug 23, 3:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 30, 10:07 PM CDT | Severe Thunderstorm Warning | BIS | 53 min |
| Aug 30, 10:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 30, 10:58 PM CDT | Severe Thunderstorm Warning | BIS | 62 min |
| Sep 16, 6:18 AM CDT | Dense Fog Advisory | BIS | 5 hr |
| Sep 25, 4:23 AM CDT | Dense Fog Advisory | BIS | 8 hr |
| Oct 1, 9:50 PM CDT | Dense Fog Advisory | BIS | 11 hr |
| Oct 4, 2:15 PM CDT | Freeze Watch | BIS | 24 hr |
| Oct 5, 1:22 PM CDT | Wind Advisory | BIS | 21 hr |
| Oct 5, 2:31 PM CDT | Freeze Warning | BIS | 19 hr |
| Oct 6, 10:03 AM CDT | Freeze Warning | BIS | 23 hr |
| Oct 17, 5:15 PM CDT | High Wind Warning | BIS | 3 hr |
| Oct 23, 11:34 AM CDT | Winter Storm Watch | BIS | 49 hr |
| Oct 24, 4:17 PM CDT | Winter Storm Warning | BIS | 61 hr |
| Nov 4, 1:59 AM CDT | Dense Fog Advisory | BIS | 13 hr |
| Nov 4, 3:31 PM CDT | Dense Fog Advisory | BIS | 14 hr |
| Nov 7, 1:20 AM CST | Dense Fog Advisory | BIS | 11 hr |
| Nov 8, 1:45 AM CST | Wind Advisory | BIS | 16 hr |
| Nov 25, 3:42 AM CST | Wind Advisory | BIS | 32 hr |
| Dec 4, 11:34 PM CST | Dense Fog Advisory | BIS | 11 hr |
| Dec 7, 4:25 AM CST | Winter Weather Advisory | BIS | 56 hr |
| Dec 17, 9:32 AM CST | Wind Advisory | BIS | 10 hr |
| Dec 31, 12:07 AM CST | Dense Fog Advisory | BIS | 13 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 | 3 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 17 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.