Alert archive / Minnesota / Watonwan County
Weather alerts in Watonwan County, Minnesota, 2019
139 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Watonwan County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 139
- Warnings
- 27
- Watches
- 24
- Advisories
- 45
- Busiest month
- June21 alerts
- Busiest day
- June 15, 20198 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Watonwan County in 2019 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Watonwan County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 11 | 5 | 55% | 9 | 89% | 39 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 57 | 11 | 81% | 38 | 50% | 10 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 206 | 102 | 50% | 383 | 74% | 21 min |
| NWS Twin Cities, MN: flash flood warnings | 19 | 9 | 53% | 19 | 74% | 71 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 5, 10:31 PM CST | Dense Fog Advisory | MPX | 10 hr |
| Jan 7, 2:53 PM CST | Wind Advisory | MPX | 30 hr |
| Jan 17, 2:51 AM CST | Winter Weather Advisory | MPX | 45 hr |
| Jan 17, 2:09 PM CST | Winter Storm Warning | MPX | 35 hr |
| Jan 18, 11:07 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 21, 3:09 AM CST | Winter Weather Advisory | MPX | 31 hr |
| Jan 22, 8:42 PM CST | Winter Storm Watch | MPX | 18 hr |
| Jan 23, 2:51 AM CST | Blizzard Warning | MPX | 29 hr |
| Jan 23, 3:03 PM CST | Winter Weather Advisory | MPX | 27 hr |
| Jan 24, 3:37 AM CST | Wind Chill Advisory | MPX | 29 hr |
| Jan 26, 3:26 AM CST | Winter Storm Watch | MPX | 12 hr |
| Jan 26, 3:36 PM CST | Winter Storm Warning | MPX | 44 hr |
| Jan 26, 3:36 PM CST | Winter Weather Advisory | MPX | 44 hr |
| Jan 27, 4:03 AM CST | Wind Chill Watch | MPX | 25 hr |
| Jan 27, 1:44 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 28, 4:33 AM CST | Wind Chill Warning | MPX | 3 days |
| Jan 28, 4:33 AM CST | Wind Chill Advisory | MPX | 31 hr |
| Jan 28, 2:39 PM CST | Winter Weather Advisory | MPX | 27 hr |
| Feb 2, 9:41 AM CST | Dense Fog Advisory | MPX | 38 hr |
| Feb 3, 3:02 AM CST | Winter Weather Advisory | MPX | 33 hr |
| Feb 4, 3:56 PM CST | Winter Weather Advisory | MPX | 32 hr |
| Feb 5, 1:20 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 5, 3:47 PM CST | Winter Weather Advisory | MPX | 56 hr |
| Feb 6, 2:34 PM CST | Blizzard Warning | MPX | 33 hr |
| Feb 7, 3:47 AM CST | Wind Chill Advisory | MPX | 53 hr |
| Feb 9, 2:54 PM CST | Winter Weather Advisory | MPX | 30 hr |
| Feb 11, 3:19 PM CST | Winter Weather Advisory | MPX | 30 hr |
| Feb 14, 3:00 AM CST | Wind Chill Advisory | MPX | 30 hr |
| Feb 14, 12:07 PM CST | Winter Weather Advisory | MPX | 6 hr |
| Feb 15, 2:41 PM CST | Winter Weather Advisory | MPX | 51 hr |
| Feb 18, 3:20 PM CST | Winter Storm Watch | MPX | 12 hr |
| Feb 19, 3:42 AM CST | Winter Storm Warning | MPX | 44 hr |
| Feb 21, 3:31 PM CST | Winter Storm Watch | MPX | 25 hr |
| Feb 22, 4:01 PM CST | Blizzard Warning | MPX | 53 hr |
| Feb 23, 5:26 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 24, 3:01 PM CST | Wind Chill Advisory | MPX | 17 hr |
| Feb 28, 9:42 PM CST | Winter Weather Advisory | MPX | 25 hr |
| Mar 2, 3:11 AM CST | Wind Chill Advisory | MPX | 57 hr |
| Mar 7, 3:09 AM CST | Winter Storm Watch | MPX | 40 hr |
| Mar 8, 3:38 AM CST | Winter Storm Warning | MPX | 53 hr |
| Mar 9, 5:05 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 11, 3:43 PM CDT | Flood Watch | MPX | 71 hr |
| Mar 12, 5:43 PM CDT | Dense Fog Advisory | MPX | 19 hr |
| Mar 13, 3:43 PM CDT | Wind Advisory | MPX | 36 hr |
| Mar 13, 10:38 PM CDT | Dense Fog Advisory | MPX | 11 hr |
| Apr 4, 10:27 PM CDT | Special Weather Statement | MPX | 6 hr |
| Apr 5, 4:37 AM CDT | Dense Fog Advisory | MPX | 4 hr |
| Apr 8, 4:14 AM CDT | Winter Storm Watch | MPX | 48 hr |
| Apr 10, 4:43 AM CDT | Winter Storm Warning | MPX | 56 hr |
| Apr 10, 4:43 AM CDT | Winter Weather Advisory | MPX | 23 hr |
| Apr 10, 5:43 AM CDT | Winter Weather Advisory | MPX | 38 hr |
| Apr 11, 2:34 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 26, 2:35 PM CDT | Winter Storm Warning | MPX | 23 hr |
| Apr 26, 2:35 PM CDT | Winter Weather Advisory | MPX | 23 hr |
| Apr 27, 5:14 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| May 17, 8:50 PM CDT | Special Weather Statement | MPX | 40 min |
| May 19, 2:58 AM CDT | Frost Advisory | MPX | 29 hr |
| May 20, 3:24 PM CDT | Wind Advisory | MPX | 34 hr |
| May 27, 3:24 AM CDT | Flood Watch | MPX | 12 hr |
| Jun 4, 2:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 4, 4:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 4:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 11:37 AM CDT | Special Weather Statement | MPX | 53 min |
| Jun 15, 12:21 PM CDT | Severe Thunderstorm Warning | MPX | 39 min |
| Jun 15, 12:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 15, 1:34 PM CDT | Special Weather Statement | MPX | 41 min |
| Jun 15, 3:40 PM CDT | Special Weather Statement | MPX | 65 min |
| Jun 15, 3:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 15, 3:55 PM CDT | Severe Thunderstorm Warning | MPX | 24 min |
| Jun 20, 5:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 20, 6:29 PM CDT | Severe Thunderstorm Warning | MPX | 46 min |
| Jun 20, 6:43 PM CDT | Tornado Warning | MPX | 32 min |
| Jun 20, 6:46 PM CDT | Severe Thunderstorm Warning | MPX | 29 min |
| Jun 20, 6:56 PM CDT | Tornado Warning | MPX | 34 min |
| Jun 20, 7:14 PM CDT | Severe Thunderstorm Warning | MPX | 46 min |
| Jun 27, 4:01 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 27, 7:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 27, 7:49 AM CDT | Severe Thunderstorm Warning | MPX | 41 min |
| Jun 28, 2:44 PM CDT | Heat Advisory | MPX | 49 hr |
| Jun 30, 11:01 PM CDT | Severe Thunderstorm Watch | SPC | 2 hr |
| Jun 30, 11:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 1, 1:34 PM CDT | Flash Flood Watch | MPX | 7 hr |
| Jul 1, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 1, 3:27 PM CDT | Severe Thunderstorm Warning | MPX | 50 min |
| Jul 1, 5:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 5:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 3:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 17, 2:41 PM CDT | Heat Advisory | MPX | 53 hr |
| Jul 17, 10:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 4:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 18, 5:30 PM CDT | Tornado Watch | SPC | 4 hr |
| Jul 18, 7:32 PM CDT | Severe Thunderstorm Warning | MPX | 43 min |
| Jul 19, 3:31 AM CDT | Excessive Heat Warning | MPX | 18 hr |
| Jul 20, 5:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 20, 6:09 AM CDT | Special Weather Statement | MPX | 66 min |
| Jul 20, 7:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 20, 9:05 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 20, 9:19 AM CDT | Severe Thunderstorm Warning | MPX | 56 min |
| Jul 27, 12:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 5, 1:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 5, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 5, 5:44 PM CDT | Special Weather Statement | MPX | 46 min |
| Aug 10, 3:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:51 AM CDT | Dense Fog Advisory | MPX | 6 hr |
| Aug 17, 10:16 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 17, 10:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 17, 11:26 PM CDT | Severe Thunderstorm Warning | MPX | 49 min |
| Aug 18, 12:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 18, 12:51 AM CDT | Special Weather Statement | MPX | 54 min |
| Aug 20, 5:08 AM CDT | Special Weather Statement | MPX | 52 min |
| Aug 20, 6:02 AM CDT | Special Weather Statement | MPX | 58 min |
| Aug 20, 6:33 AM CDT | Areal Flood Warning | MPX | 117 min |
| Sep 10, 8:11 PM CDT | Flash Flood Watch | MPX | 9 hr |
| Sep 11, 12:46 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 11, 12:57 AM CDT | Special Weather Statement | MPX | 33 min |
| Sep 11, 3:22 PM CDT | Flash Flood Watch | MPX | 30 hr |
| Sep 12, 1:37 AM CDT | Special Weather Statement | MPX | 113 min |
| Sep 18, 10:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 1:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 24, 4:43 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 24, 5:58 PM CDT | Severe Thunderstorm Warning | MPX | 47 min |
| Sep 24, 6:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 30, 4:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 3, 3:28 PM CDT | Frost Advisory | MPX | 9 hr |
| Oct 20, 9:27 PM CDT | Wind Advisory | MPX | 45 hr |
| Oct 21, 3:44 AM CDT | High Wind Warning | MPX | 27 hr |
| Nov 5, 2:14 AM CST | Winter Weather Advisory | MPX | 31 hr |
| Nov 24, 2:25 PM CST | Winter Storm Watch | MPX | 38 hr |
| Nov 25, 2:21 PM CST | Winter Storm Warning | MPX | 46 hr |
| Nov 26, 5:23 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 28, 2:44 AM CST | Winter Weather Advisory | MPX | 3 days |
| Nov 29, 12:09 PM CST | Winter Weather Advisory | MPX | 51 hr |
| Dec 7, 3:38 PM CST | Winter Weather Advisory | MPX | 47 hr |
| Dec 8, 5:47 PM CST | Dense Fog Advisory | MPX | 9 hr |
| Dec 24, 2:18 PM CST | Dense Fog Advisory | MPX | 40 hr |
| Dec 27, 2:40 PM CST | Winter Weather Advisory | MPX | 30 hr |
| Dec 29, 3:00 AM CST | Winter Weather Advisory | MPX | 45 hr |
| Dec 29, 8:35 AM CST | Dense Fog Advisory | MPX | 3 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 | 11 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 31 |
| Special Weather Statement | 12 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Flood Watch | 2 |
| Winter | |
| Blizzard Warning | 3 |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 22 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 2 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.