Alert archive / North Dakota / Cavalier County
Weather alerts in Cavalier County, North Dakota, 2024
121 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cavalier County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 121
- Warnings
- 30
- Watches
- 10
- Advisories
- 60
- Busiest month
- June24 alerts
- Busiest day
- June 16, 20248 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Cavalier County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 13 | 5 | 62% | 2 | 50% | 0 min |
| Flash flood warnings | 4 | 1 | 75% | 1 | 100% | 220 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Forks, ND: tornado warnings | 20 | 5 | 75% | 6 | 83% | 13 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 154 | 91 | 41% | 197 | 76% | 24 min |
| NWS Grand Forks, ND: flash flood warnings | 12 | 6 | 50% | 7 | 86% | 104 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 |
|---|---|---|---|
| Jan 4, 9:50 PM CST | Winter Weather Advisory | FGF | 36 hr |
| Jan 10, 10:18 AM CST | Wind Chill Advisory | FGF | 26 hr |
| Jan 11, 6:31 AM CST | Winter Weather Advisory | FGF | 11 hr |
| Jan 11, 9:01 AM CST | Blizzard Warning | FGF | 9 hr |
| Jan 11, 3:18 PM CST | Wind Chill Advisory | FGF | 27 hr |
| Jan 12, 3:37 PM CST | Winter Weather Advisory | FGF | 32 hr |
| Jan 13, 3:30 AM CST | Blizzard Warning | FGF | 15 hr |
| Jan 13, 3:30 AM CST | Wind Chill Warning | FGF | 57 hr |
| Jan 13, 3:25 PM CST | Wind Chill Advisory | FGF | 72 hr |
| Jan 15, 2:11 PM CST | Winter Weather Advisory | FGF | 7 hr |
| Jan 16, 2:57 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Jan 17, 1:32 PM CST | Wind Chill Advisory | FGF | 22 hr |
| Jan 18, 2:30 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Jan 19, 2:25 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Jan 21, 4:41 PM CST | Winter Weather Advisory | FGF | 13 hr |
| Jan 24, 5:31 PM CST | Dense Fog Advisory | FGF | 20 hr |
| Jan 25, 4:47 PM CST | Dense Fog Advisory | FGF | 19 hr |
| Jan 26, 2:42 AM CST | Winter Weather Advisory | FGF | 12 hr |
| Feb 1, 7:00 PM CST | Dense Fog Advisory | FGF | 41 hr |
| Feb 3, 5:48 PM CST | Dense Fog Advisory | FGF | 42 hr |
| Feb 5, 7:36 PM CST | Dense Fog Advisory | FGF | 19 hr |
| Feb 7, 12:28 AM CST | Dense Fog Advisory | FGF | 12 hr |
| Feb 7, 7:03 PM CST | Winter Weather Advisory | FGF | 17 hr |
| Feb 8, 12:53 PM CST | Winter Weather Advisory | FGF | 14 hr |
| Feb 16, 3:01 PM CST | Wind Advisory | FGF | 27 hr |
| Feb 26, 12:27 PM CST | Winter Weather Advisory | FGF | 30 hr |
| Feb 27, 5:56 PM CST | Wind Chill Advisory | FGF | 15 hr |
| Mar 2, 3:06 AM CST | Winter Weather Advisory | FGF | 55 hr |
| Mar 5, 3:17 PM CST | Winter Weather Advisory | FGF | 24 hr |
| Mar 15, 3:03 AM CDT | Wind Advisory | FGF | 18 hr |
| Mar 15, 11:18 PM CDT | Wind Advisory | FGF | 3 hr |
| Apr 5, 3:04 PM CDT | Fire Weather Watch | FGF | 12 hr |
| Apr 6, 2:48 AM CDT | Wind Advisory | FGF | 16 hr |
| Apr 6, 2:58 AM CDT | Red Flag Warning | FGF | 16 hr |
| Apr 17, 10:01 PM CDT | Wind Advisory | FGF | 23 hr |
| Apr 25, 12:45 PM CDT | Red Flag Warning | FGF | 7 hr |
| Apr 25, 1:08 PM CDT | Wind Advisory | FGF | 7 hr |
| May 5, 2:19 PM CDT | Wind Advisory | FGF | 32 hr |
| May 11, 4:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 12, 2:07 PM CDT | Frost Advisory | FGF | 18 hr |
| May 17, 5:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 17, 5:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 18, 2:16 AM CDT | Wind Advisory | FGF | 17 hr |
| May 18, 2:49 PM CDT | High Wind Warning | FGF | 4 hr |
| May 24, 2:48 PM CDT | Frost Advisory | FGF | 16 hr |
| May 25, 1:35 PM CDT | Frost Advisory | FGF | 17 hr |
| Jun 2, 3:04 PM CDT | Special Weather Statement | FGF | 41 min |
| Jun 2, 4:44 PM CDT | Severe Thunderstorm Warning | FGF | 46 min |
| Jun 2, 5:26 PM CDT | Severe Thunderstorm Warning | FGF | 49 min |
| Jun 2, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | 44 min |
| Jun 2, 9:04 PM CDT | Special Weather Statement | FGF | 26 min |
| Jun 3, 2:34 AM CDT | Dense Fog Advisory | FGF | 6 hr |
| Jun 4, 2:16 PM CDT | Wind Advisory | FGF | 31 hr |
| Jun 5, 2:14 PM CDT | High Wind Warning | FGF | 7 hr |
| Jun 6, 2:40 AM CDT | Wind Advisory | FGF | 17 hr |
| Jun 15, 5:27 PM CDT | Severe Thunderstorm Warning | FGF | 48 min |
| Jun 15, 6:05 PM CDT | Severe Thunderstorm Warning | FGF | 40 min |
| Jun 15, 6:47 PM CDT | Special Weather Statement | FGF | 13 min |
| Jun 15, 11:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 15, 11:59 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 16, 1:23 AM CDT | Severe Thunderstorm Warning | FGF | 52 min |
| Jun 16, 2:12 AM CDT | Severe Thunderstorm Warning | FGF | 48 min |
| Jun 16, 2:51 AM CDT | Special Weather Statement | FGF | 39 min |
| Jun 16, 2:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 16, 6:05 AM CDT | Wind Advisory | FGF | 13 hr |
| Jun 16, 4:37 PM CDT | Flood Watch | FGF | 38 hr |
| Jun 22, 6:16 PM CDT | Special Weather Statement | FGF | 29 min |
| Jun 22, 6:58 PM CDT | Special Weather Statement | FGF | 32 min |
| Jun 22, 7:16 PM CDT | Severe Thunderstorm Warning | FGF | 25 min |
| Jun 24, 9:00 AM CDT | Severe Thunderstorm Warning | FGF | 30 min |
| Jul 12, 8:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 12, 10:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 14, 4:59 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 22, 3:12 PM CDT | Severe Thunderstorm Warning | FGF | 63 min |
| Jul 22, 4:11 PM CDT | Severe Thunderstorm Warning | FGF | 49 min |
| Jul 22, 4:21 PM CDT | Severe Thunderstorm Warning | FGF | 54 min |
| Jul 22, 4:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 27, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 28, 6:00 AM CDT | Dense Fog Advisory | FGF | 4 hr |
| Aug 29, 12:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 12, 1:56 AM CDT | Wind Advisory | FGF | 17 hr |
| Sep 16, 6:04 AM CDT | Special Weather Statement | FGF | 41 min |
| Sep 16, 1:41 PM CDT | Special Weather Statement | FGF | 49 min |
| Sep 16, 2:51 PM CDT | Flash Flood Warning | FGF | 10 hr |
| Sep 16, 3:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 16, 5:35 PM CDT | Severe Thunderstorm Warning | FGF | 55 min |
| Sep 16, 7:06 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 16, 7:23 PM CDT | Flash Flood Warning | FGF | 6 hr |
| Sep 16, 7:23 PM CDT | Flash Flood Warning | FGF | 6 hr |
| Sep 16, 9:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Sep 16, 11:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 17, 9:03 AM CDT | River Flood Warning | FGF | 5 hr |
| Sep 18, 9:17 AM CDT | Flash Flood Warning | FGF | 3 hr |
| Sep 18, 6:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 26, 3:15 AM CDT | Wind Advisory | FGF | 16 hr |
| Sep 29, 2:24 PM CDT | Wind Advisory | FGF | 31 hr |
| Oct 2, 2:06 PM CDT | Frost Advisory | FGF | 19 hr |
| Oct 3, 1:31 PM CDT | Freeze Warning | FGF | 18 hr |
| Oct 4, 2:50 AM CDT | High Wind Watch | FGF | 24 hr |
| Oct 5, 2:59 AM CDT | High Wind Warning | FGF | 22 hr |
| Oct 5, 2:59 AM CDT | Wind Advisory | FGF | 27 hr |
| Nov 5, 5:51 AM CST | Dense Fog Advisory | FGF | 6 hr |
| Nov 14, 4:16 AM CST | Dense Fog Advisory | FGF | 6 hr |
| Nov 14, 10:02 AM CST | Dense Fog Advisory | FGF | 118 min |
| Nov 18, 2:53 AM CST | Winter Storm Watch | FGF | 25 hr |
| Nov 19, 3:31 AM CST | Winter Storm Warning | FGF | 30 hr |
| Nov 20, 9:37 AM CST | Blizzard Warning | FGF | 8 hr |
| Nov 29, 1:30 PM CST | Cold Weather Advisory | FGF | 21 hr |
| Dec 3, 12:33 PM CST | Winter Storm Watch | FGF | 15 hr |
| Dec 3, 12:33 PM CST | Winter Weather Advisory | FGF | 29 hr |
| Dec 7, 1:57 PM CST | Winter Weather Advisory | FGF | 34 hr |
| Dec 9, 2:49 AM CST | Winter Weather Advisory | FGF | 12 hr |
| Dec 10, 3:38 AM CST | Cold Weather Advisory | FGF | 54 hr |
| Dec 14, 1:40 PM CST | Winter Weather Advisory | FGF | 22 hr |
| Dec 17, 1:52 PM CST | Winter Storm Watch | FGF | 23 hr |
| Dec 18, 1:16 PM CST | Winter Storm Warning | FGF | 29 hr |
| Dec 22, 10:53 AM CST | Dense Fog Advisory | FGF | 3 hr |
| Dec 23, 2:48 AM CST | Dense Fog Advisory | FGF | 33 hr |
| Dec 24, 2:30 PM CST | Dense Fog Advisory | FGF | 22 hr |
| Dec 26, 1:42 PM CST | Dense Fog Advisory | FGF | 22 hr |
| Dec 28, 8:40 PM CST | Dense Fog Advisory | FGF | 46 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 archive20232025
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.