Alert archive / Minnesota / Otter Tail County
Weather alerts in Otter Tail County, Minnesota, 2023
103 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Otter Tail County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 103
- Warnings
- 31
- Watches
- 13
- Advisories
- 36
- Busiest month
- August19 alerts
- Busiest day
- July 13, 20236 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Otter Tail County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 17 | 13 | 24% | 14 | 79% | 33 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 Grand Forks, ND: tornado warnings | 17 | 7 | 59% | 19 | 53% | 30 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 146 | 74 | 49% | 152 | 75% | 25 min |
| NWS Grand Forks, ND: flash flood warnings | 4 | 4 | 0% | 8 | 63% | 37 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 9, 9:06 PM CST | Dense Fog Advisory | FGF | 15 hr |
| Jan 16, 8:14 AM CST | Winter Weather Advisory | FGF | 28 hr |
| Jan 21, 9:26 PM CST | Dense Fog Advisory | FGF | 15 hr |
| Jan 26, 3:59 AM CST | Winter Weather Advisory | FGF | 32 hr |
| Jan 27, 12:56 PM CST | Wind Chill Advisory | FGF | 53 hr |
| Jan 28, 1:50 PM CST | Wind Chill Warning | FGF | 46 hr |
| Jan 30, 1:19 AM CST | Wind Chill Advisory | FGF | 35 hr |
| Feb 1, 1:53 PM CST | Wind Chill Advisory | FGF | 46 hr |
| Feb 12, 4:44 AM CST | Dense Fog Advisory | FGF | 5 hr |
| Feb 13, 3:23 AM CST | Winter Storm Watch | FGF | 23 hr |
| Feb 14, 2:39 AM CST | Blizzard Warning | FGF | 32 hr |
| Feb 20, 2:28 PM CST | Winter Storm Watch | FGF | 23 hr |
| Feb 20, 2:28 PM CST | Winter Weather Advisory | FGF | 70 hr |
| Feb 21, 1:08 PM CST | Blizzard Warning | FGF | 47 hr |
| Feb 21, 1:08 PM CST | Winter Storm Warning | FGF | 47 hr |
| Feb 23, 12:05 PM CST | Wind Chill Advisory | FGF | 22 hr |
| Feb 23, 12:05 PM CST | Winter Weather Advisory | FGF | 6 hr |
| Feb 26, 2:43 PM CST | Winter Weather Advisory | FGF | 20 hr |
| Feb 28, 2:52 AM CST | Winter Storm Warning | FGF | 36 hr |
| Feb 28, 2:52 AM CST | Winter Weather Advisory | FGF | 36 hr |
| Mar 3, 2:55 PM CST | Winter Storm Watch | FGF | 37 hr |
| Mar 5, 3:31 AM CST | Winter Weather Advisory | FGF | 23 hr |
| Mar 8, 2:37 PM CST | Winter Weather Advisory | FGF | 39 hr |
| Mar 9, 1:49 PM CST | Winter Storm Watch | FGF | 37 hr |
| Mar 10, 1:47 PM CST | Blizzard Warning | FGF | 40 hr |
| Mar 10, 1:47 PM CST | Winter Storm Warning | FGF | 46 hr |
| Mar 11, 2:23 AM CST | Winter Weather Advisory | FGF | 34 hr |
| Mar 20, 3:53 AM CDT | Winter Storm Watch | FGF | 24 hr |
| Mar 21, 3:50 AM CDT | Winter Weather Advisory | FGF | 27 hr |
| Mar 21, 3:57 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 30, 3:47 AM CDT | Winter Storm Watch | FGF | 11 hr |
| Mar 30, 3:47 AM CDT | Winter Weather Advisory | FGF | 44 hr |
| Mar 30, 2:52 PM CDT | Winter Storm Warning | FGF | 33 hr |
| Apr 2, 3:29 AM CDT | Winter Storm Watch | FGF | 33 hr |
| Apr 3, 12:03 PM CDT | Winter Storm Warning | FGF | 47 hr |
| Apr 5, 10:55 AM CDT | Winter Weather Advisory | FGF | 19 hr |
| Apr 20, 4:01 AM CDT | Winter Weather Advisory | FGF | 41 hr |
| Apr 27, 3:53 AM CDT | Dense Fog Advisory | FGF | 6 hr |
| Apr 30, 3:19 AM CDT | Wind Advisory | FGF | 17 hr |
| May 1, 3:03 AM CDT | Red Flag Warning | FGF | 17 hr |
| May 1, 2:36 PM CDT | Fire Weather Watch | FGF | 12 hr |
| May 2, 2:52 AM CDT | Red Flag Warning | FGF | 17 hr |
| May 27, 1:22 PM CDT | Fire Weather Watch | FGF | 14 hr |
| May 27, 1:22 PM CDT | Red Flag Warning | FGF | 8 hr |
| May 28, 2:55 AM CDT | Red Flag Warning | FGF | 18 hr |
| May 30, 4:50 PM CDT | Special Weather Statement | FGF | 40 min |
| May 30, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | 45 min |
| May 30, 5:45 PM CDT | Severe Thunderstorm Warning | FGF | 20 min |
| Jun 6, 7:28 PM CDT | Special Weather Statement | FGF | 32 min |
| Jun 23, 2:23 PM CDT | Special Weather Statement | FGF | 52 min |
| Jun 24, 2:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 3:42 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 24, 4:42 PM CDT | Severe Thunderstorm Warning | FGF | 35 min |
| Jul 7, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 2:48 PM CDT | Severe Thunderstorm Warning | FGF | 42 min |
| Jul 7, 3:57 PM CDT | Special Weather Statement | FGF | 48 min |
| Jul 7, 4:36 PM CDT | Special Weather Statement | FGF | 54 min |
| Jul 9, 8:11 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 9, 8:45 PM CDT | Severe Thunderstorm Warning | FGF | 45 min |
| Jul 13, 2:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 13, 4:46 PM CDT | Severe Thunderstorm Warning | FGF | 59 min |
| Jul 13, 4:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 13, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 5:36 PM CDT | Severe Thunderstorm Warning | FGF | 54 min |
| Jul 13, 6:18 PM CDT | Severe Thunderstorm Warning | FGF | 35 min |
| Jul 26, 2:20 AM CDT | Special Weather Statement | FGF | 25 min |
| Jul 26, 2:39 AM CDT | Severe Thunderstorm Warning | FGF | 22 min |
| Jul 26, 3:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 27, 12:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 3:52 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 1, 5:04 PM CDT | Special Weather Statement | FGF | 41 min |
| Aug 1, 5:37 PM CDT | Special Weather Statement | FGF | 38 min |
| Aug 1, 5:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 1, 6:18 PM CDT | Special Weather Statement | FGF | 57 min |
| Aug 1, 7:31 PM CDT | Special Weather Statement | FGF | 59 min |
| Aug 1, 8:23 PM CDT | Severe Thunderstorm Warning | FGF | 34 min |
| Aug 6, 12:38 PM CDT | Areal Flood Advisory | FGF | 3 hr |
| Aug 6, 2:27 PM CDT | Areal Flood Advisory | FGF | 6 hr |
| Aug 8, 5:11 PM CDT | Severe Thunderstorm Warning | FGF | 34 min |
| Aug 8, 6:09 PM CDT | Special Weather Statement | FGF | 51 min |
| Aug 8, 6:58 PM CDT | Special Weather Statement | FGF | 62 min |
| Aug 8, 7:20 PM CDT | Severe Thunderstorm Warning | FGF | 55 min |
| Aug 8, 8:08 PM CDT | Severe Thunderstorm Warning | FGF | 39 min |
| Aug 8, 10:24 PM CDT | Areal Flood Advisory | FGF | 3 hr |
| Aug 9, 4:34 PM CDT | Special Weather Statement | FGF | 26 min |
| Aug 11, 5:38 PM CDT | Severe Thunderstorm Warning | FGF | 52 min |
| Aug 11, 6:15 PM CDT | Severe Thunderstorm Warning | FGF | 45 min |
| Aug 21, 2:51 PM CDT | Heat Advisory | FGF | 32 hr |
| Sep 13, 7:02 AM CDT | Dense Fog Advisory | FGF | 2 hr |
| Sep 17, 5:06 AM CDT | Dense Fog Advisory | FGF | 5 hr |
| Sep 25, 3:40 AM CDT | Dense Fog Advisory | FGF | 8 hr |
| Sep 29, 7:41 AM CDT | Severe Thunderstorm Warning | FGF | 49 min |
| Sep 29, 8:22 AM CDT | Severe Thunderstorm Warning | FGF | 38 min |
| Sep 29, 8:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 29, 8:49 PM CDT | Dense Fog Advisory | FGF | 13 hr |
| Oct 5, 2:33 PM CDT | Freeze Watch | FGF | 24 hr |
| Oct 6, 10:39 AM CDT | Frost Advisory | FGF | 23 hr |
| Oct 9, 2:06 PM CDT | Freeze Warning | FGF | 20 hr |
| Dec 4, 4:01 AM CST | Dense Fog Advisory | FGF | 3 hr |
| Dec 16, 2:07 PM CST | Dense Fog Advisory | FGF | 10 hr |
| Dec 22, 1:58 AM CST | Dense Fog Advisory | FGF | 35 hr |
| Dec 24, 2:44 PM CST | Winter Weather Advisory | FGF | 61 hr |
| Dec 28, 3:17 PM CST | Dense Fog Advisory | FGF | 15 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 | 17 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Advisory | 3 |
| Winter | |
| Blizzard Warning | 3 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 14 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
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.