Alert archive / Minnesota / Douglas County
Weather alerts in Douglas County, Minnesota, 2010
136 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Douglas County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 136
- Warnings
- 43
- Watches
- 22
- Advisories
- 36
- Busiest month
- July30 alerts
- Busiest day
- June 17, 20109 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 14 tornado warnings covering Douglas County in 2010 had a tornado report inside them; 5 of 6 tornado reports fell inside a warning, on average 16 minutes after it went out.
Douglas County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 14 | 3 | 79% | 6 | 83% | 16 min |
| Severe thunderstorm warnings | 13 | 6 | 54% | 17 | 53% | 40 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 97 | 33 | 66% | 103 | 68% | 19 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 269 | 149 | 45% | 542 | 68% | 26 min |
| NWS Twin Cities, MN: flash flood warnings | 25 | 15 | 40% | 86 | 60% | 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 1, 2:22 PM CST | Wind Chill Advisory | MPX | 19 hr |
| Jan 5, 3:54 PM CST | Winter Weather Advisory | MPX | 56 hr |
| Jan 7, 1:57 PM CST | Wind Chill Warning | MPX | 22 hr |
| Jan 13, 10:07 AM CST | Dense Fog Advisory | MPX | 4 hr |
| Jan 18, 2:55 AM CST | Dense Fog Advisory | MPX | 9 hr |
| Jan 18, 3:44 PM CST | Dense Fog Advisory | MPX | 23 hr |
| Jan 22, 3:27 AM CST | Winter Storm Watch | MPX | 8 hr |
| Jan 22, 11:50 AM CST | Winter Storm Warning | MPX | 28 hr |
| Jan 23, 3:33 PM CST | Winter Weather Advisory | MPX | 2 hr |
| Jan 24, 2:46 PM CST | Winter Weather Advisory | MPX | 27 hr |
| Jan 25, 9:20 AM CST | Blizzard Warning | MPX | 19 hr |
| Jan 27, 2:30 PM CST | Wind Chill Advisory | MPX | 20 hr |
| Feb 4, 2:10 PM CST | Winter Weather Advisory | MPX | 25 hr |
| Feb 6, 3:53 AM CST | Winter Storm Watch | MPX | 35 hr |
| Feb 6, 3:08 PM CST | Winter Storm Warning | MPX | 69 hr |
| Feb 12, 3:55 PM CST | Dense Fog Advisory | MPX | 20 hr |
| Mar 7, 2:55 PM CST | Dense Fog Advisory | MPX | 18 hr |
| Mar 9, 4:10 PM CST | Dense Fog Advisory | MPX | 41 hr |
| Mar 11, 2:41 PM CST | Dense Fog Advisory | MPX | 21 hr |
| Mar 12, 9:30 PM CST | Dense Fog Advisory | MPX | 13 hr |
| Apr 10, 6:07 AM CDT | Fire Weather Watch | MPX | 4 hr |
| Apr 10, 10:06 AM CDT | Red Flag Warning | MPX | 9 hr |
| Apr 12, 10:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 3:52 AM CDT | Wind Advisory | MPX | 20 hr |
| Apr 16, 4:16 AM CDT | Red Flag Warning | MPX | 16 hr |
| Apr 27, 3:17 PM CDT | Fire Weather Watch | MPX | 12 hr |
| Apr 28, 3:27 AM CDT | Red Flag Warning | MPX | 17 hr |
| Apr 28, 9:21 AM CDT | Wind Advisory | MPX | 11 hr |
| May 8, 3:48 AM CDT | Freeze Warning | MPX | 29 hr |
| May 22, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 23, 12:53 AM CDT | Special Weather Statement | MPX | 37 min |
| May 23, 1:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| May 23, 1:47 AM CDT | Special Weather Statement | MPX | 43 min |
| May 23, 2:10 AM CDT | Severe Thunderstorm Warning | MPX | 55 min |
| May 24, 4:21 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 15, 12:07 PM CDT | Special Weather Statement | MPX | 113 min |
| Jun 17, 8:11 AM CDT | Special Weather Statement | MPX | 49 min |
| Jun 17, 9:15 AM CDT | Special Weather Statement | MPX | 90 min |
| Jun 17, 1:54 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 17, 2:20 PM CDT | Special Weather Statement | MPX | 55 min |
| Jun 17, 2:27 PM CDT | Severe Thunderstorm Warning | MPX | 63 min |
| Jun 17, 2:51 PM CDT | Tornado Warning | MPX | 39 min |
| Jun 17, 3:25 PM CDT | Tornado Warning | MPX | 20 min |
| Jun 17, 3:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 17, 3:45 PM CDT | Tornado Warning | MPX | 30 min |
| Jun 25, 6:07 AM CDT | Special Weather Statement | MPX | 68 min |
| Jun 25, 6:45 AM CDT | Special Weather Statement | MPX | 60 min |
| Jul 10, 4:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 10, 4:48 PM CDT | Tornado Watch | SPC | 3 hr |
| Jul 10, 5:02 PM CDT | Tornado Warning | MPX | 58 min |
| Jul 10, 5:58 PM CDT | Tornado Warning | MPX | 62 min |
| Jul 10, 6:00 PM CDT | Tornado Warning | MPX | 60 min |
| Jul 10, 6:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 10, 6:55 PM CDT | Tornado Warning | MPX | 65 min |
| Jul 10, 6:58 PM CDT | Severe Thunderstorm Warning | MPX | 41 min |
| Jul 14, 3:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 14, 3:50 AM CDT | Tornado Watch | SPC | 5 hr |
| Jul 14, 6:19 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 14, 6:23 AM CDT | Severe Thunderstorm Warning | MPX | 67 min |
| Jul 14, 7:29 AM CDT | Severe Thunderstorm Warning | MPX | 19 min |
| Jul 14, 2:27 PM CDT | Severe Thunderstorm Warning | MPX | 63 min |
| Jul 17, 11:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 17, 12:28 PM CDT | Tornado Watch | SPC | 11 hr |
| Jul 17, 1:49 PM CDT | Severe Thunderstorm Warning | MPX | 56 min |
| Jul 17, 1:58 PM CDT | Tornado Warning | MPX | 47 min |
| Jul 17, 5:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 22, 6:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 22, 8:05 PM CDT | Special Weather Statement | MPX | 40 min |
| Jul 22, 8:13 PM CDT | Tornado Warning | MPX | 32 min |
| Jul 27, 1:24 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 27, 7:01 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 27, 1:43 PM CDT | Mesoscale Discussion | SPC | 32 min |
| Jul 27, 3:29 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 27, 4:19 PM CDT | Tornado Warning | MPX | 41 min |
| Jul 27, 4:28 PM CDT | Severe Thunderstorm Warning | MPX | 36 min |
| Jul 27, 5:08 PM CDT | Areal Flood Advisory | MPX | 3 hr |
| Jul 27, 5:16 PM CDT | Tornado Warning | MPX | 44 min |
| Aug 1, 1:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 2:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 1, 6:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 2:03 AM CDT | Dense Fog Advisory | MPX | 7 hr |
| Aug 7, 1:01 PM CDT | Flash Flood Watch | MPX | 14 hr |
| Aug 7, 3:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 5:27 PM CDT | Tornado Watch | SPC | 8 hr |
| Aug 7, 7:08 PM CDT | Special Weather Statement | MPX | 67 min |
| Aug 7, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | 60 min |
| Aug 7, 7:53 PM CDT | Tornado Warning | MPX | 52 min |
| Aug 7, 8:39 PM CDT | Tornado Warning | MPX | 51 min |
| Aug 7, 8:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 12, 6:40 AM CDT | Severe Thunderstorm Warning | MPX | 26 min |
| Aug 12, 2:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 12, 3:22 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 12, 5:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 12, 6:19 PM CDT | Severe Thunderstorm Warning | MPX | 56 min |
| Aug 12, 6:58 PM CDT | Tornado Warning | MPX | 47 min |
| Aug 12, 7:36 PM CDT | Severe Thunderstorm Warning | MPX | 24 min |
| Aug 12, 10:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 18, 10:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 19, 10:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 21, 3:44 AM CDT | Dense Fog Advisory | MPX | 6 hr |
| Aug 30, 6:44 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 30, 9:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Aug 30, 9:31 PM CDT | Special Weather Statement | MPX | 74 min |
| Sep 2, 12:13 AM CDT | Severe Thunderstorm Warning | MPX | 47 min |
| Sep 6, 3:35 AM CDT | Wind Advisory | MPX | 35 hr |
| Sep 22, 4:00 AM CDT | Flood Watch | MPX | 46 hr |
| Oct 1, 2:36 PM CDT | Frost Advisory | MPX | 16 hr |
| Oct 2, 3:14 AM CDT | Frost Advisory | MPX | 30 hr |
| Oct 20, 3:41 AM CDT | Wind Advisory | MPX | 15 hr |
| Oct 24, 3:57 PM CDT | High Wind Watch | MPX | 24 hr |
| Oct 25, 3:58 PM CDT | High Wind Warning | MPX | 47 hr |
| Oct 26, 3:57 PM CDT | Winter Weather Advisory | MPX | 20 hr |
| Oct 27, 3:10 PM CDT | Wind Advisory | MPX | 10 hr |
| Nov 20, 3:04 PM CST | Freezing Rain Advisory | MPX | 24 hr |
| Nov 23, 3:23 PM CST | Winter Weather Advisory | MPX | 32 hr |
| Nov 28, 3:02 PM CST | Winter Storm Watch | MPX | 14 hr |
| Nov 29, 4:46 AM CST | Winter Storm Warning | MPX | 31 hr |
| Nov 29, 4:46 AM CST | Winter Weather Advisory | MPX | 40 hr |
| Dec 2, 3:20 AM CST | Winter Storm Watch | MPX | 12 hr |
| Dec 2, 3:17 PM CST | Winter Storm Warning | MPX | 39 hr |
| Dec 2, 3:17 PM CST | Winter Weather Advisory | MPX | 39 hr |
| Dec 10, 5:02 AM CST | Winter Weather Advisory | MPX | 43 hr |
| Dec 11, 4:13 PM CST | Wind Chill Advisory | MPX | 20 hr |
| Dec 12, 3:59 PM CST | Wind Chill Advisory | MPX | 17 hr |
| Dec 15, 3:29 AM CST | Winter Weather Advisory | MPX | 36 hr |
| Dec 15, 11:30 AM CST | Winter Storm Warning | MPX | 14 hr |
| Dec 19, 3:28 AM CST | Winter Storm Watch | MPX | 11 hr |
| Dec 19, 2:12 PM CST | Winter Storm Warning | MPX | 38 hr |
| Dec 23, 3:39 AM CST | Winter Weather Advisory | MPX | 32 hr |
| Dec 29, 4:59 AM CST | Winter Storm Watch | MPX | 34 hr |
| Dec 29, 4:59 AM CST | Winter Weather Advisory | MPX | 47 hr |
| Dec 29, 11:33 AM CST | Dense Fog Advisory | MPX | 15 hr |
| Dec 30, 11:06 AM CST | Winter Storm Warning | MPX | 8 hr |
| Dec 30, 11:35 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 30, 2:53 PM CST | Winter Storm Warning | MPX | 33 hr |
| Dec 30, 6:36 PM CST | Blizzard Warning | MPX | 9 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 archive20092011
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.