Alert archive / Minnesota / Dakota County
Weather alerts in Dakota County, Minnesota, 2014
123 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Dakota County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 123
- Warnings
- 27
- Watches
- 20
- Advisories
- 44
- Busiest month
- June22 alerts
- Busiest day
- May 8, 20147 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Dakota County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 8 | 5 | 38% | 25 | 80% | 20 min |
| Flash flood warnings | 3 | 2 | 33% | 3 | 67% | 92 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 24 | 7 | 71% | 21 | 62% | 16 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 137 | 81 | 41% | 243 | 76% | 20 min |
| NWS Twin Cities, MN: flash flood warnings | 20 | 12 | 40% | 37 | 89% | 113 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, 2:46 PM CST | Wind Chill Advisory | MPX | 21 hr |
| Jan 2, 3:17 PM CST | Wind Chill Advisory | MPX | 19 hr |
| Jan 3, 2:54 AM CST | Wind Chill Warning | MPX | 4 days |
| Jan 3, 2:54 AM CST | Winter Weather Advisory | MPX | 30 hr |
| Jan 7, 3:04 AM CST | Wind Chill Advisory | MPX | 9 hr |
| Jan 7, 3:48 PM CST | Wind Chill Advisory | MPX | 17 hr |
| Jan 8, 3:46 PM CST | Wind Chill Advisory | MPX | 14 hr |
| Jan 13, 3:51 AM CST | Winter Weather Advisory | MPX | 38 hr |
| Jan 15, 3:38 AM CST | Winter Weather Advisory | MPX | 39 hr |
| Jan 17, 3:56 AM CST | Winter Weather Advisory | MPX | 35 hr |
| Jan 20, 4:11 AM CST | Wind Chill Advisory | MPX | 32 hr |
| Jan 22, 4:10 AM CST | Wind Chill Advisory | MPX | 48 hr |
| Jan 22, 11:04 AM CST | Wind Chill Warning | MPX | 25 hr |
| Jan 25, 2:57 PM CST | Winter Weather Advisory | MPX | 33 hr |
| Jan 25, 7:03 PM CST | Wind Chill Watch | MPX | 11 hr |
| Jan 26, 4:23 AM CST | Wind Chill Warning | MPX | 56 hr |
| Jan 28, 4:32 AM CST | Wind Chill Advisory | MPX | 28 hr |
| Jan 29, 8:17 PM CST | Winter Storm Warning | MPX | 19 hr |
| Jan 30, 3:23 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 30, 4:44 AM CST | Wind Chill Advisory | MPX | 27 hr |
| Feb 1, 2:36 PM CST | Wind Chill Advisory | MPX | 17 hr |
| Feb 5, 3:31 AM CST | Wind Chill Advisory | MPX | 31 hr |
| Feb 6, 11:11 AM CST | Wind Chill Advisory | MPX | 22 hr |
| Feb 9, 2:54 AM CST | Wind Chill Advisory | MPX | 31 hr |
| Feb 15, 8:24 PM CST | Winter Storm Watch | MPX | 7 hr |
| Feb 16, 3:53 AM CST | Winter Storm Warning | MPX | 35 hr |
| Feb 17, 3:29 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 18, 4:02 AM CST | Winter Storm Watch | MPX | 25 hr |
| Feb 19, 4:35 AM CST | Winter Storm Warning | MPX | 53 hr |
| Feb 20, 10:45 AM CST | Winter Weather Advisory | MPX | 28 hr |
| Feb 20, 11:20 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 25, 2:49 AM CST | Wind Chill Advisory | MPX | 32 hr |
| Feb 25, 3:46 PM CST | Winter Weather Advisory | MPX | 35 hr |
| Feb 26, 2:27 PM CST | Wind Chill Advisory | MPX | 22 hr |
| Feb 27, 2:42 PM CST | Wind Chill Advisory | MPX | 18 hr |
| Mar 1, 2:17 PM CST | Wind Chill Advisory | MPX | 38 hr |
| Mar 2, 11:25 AM CST | Wind Chill Advisory | MPX | 22 hr |
| Mar 17, 4:25 AM CDT | Winter Storm Watch | MPX | 11 hr |
| Mar 17, 3:54 PM CDT | Winter Weather Advisory | MPX | 42 hr |
| Mar 20, 5:46 AM CDT | Freezing Fog Advisory | MPX | 3 hr |
| Mar 31, 6:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 1, 4:04 PM CDT | Winter Storm Watch | MPX | 44 hr |
| Apr 2, 3:26 PM CDT | Winter Storm Warning | MPX | 49 hr |
| Apr 26, 3:29 PM CDT | Wind Advisory | MPX | 30 hr |
| May 7, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 7, 8:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 7, 11:37 PM CDT | Severe Thunderstorm Warning | MPX | 38 min |
| May 8, 7:08 AM CDT | Special Weather Statement | MPX | 37 min |
| May 8, 1:46 PM CDT | Tornado Watch | SPC | 7 hr |
| May 8, 3:07 PM CDT | Severe Thunderstorm Warning | MPX | 23 min |
| May 8, 3:23 PM CDT | Severe Thunderstorm Warning | MPX | 52 min |
| May 8, 5:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 16, 2:25 PM CDT | Frost Advisory | MPX | 17 hr |
| May 19, 1:53 PM CDT | Special Weather Statement | MPX | 52 min |
| May 31, 2:05 PM CDT | Flash Flood Watch | MPX | 37 hr |
| May 31, 2:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 1, 4:05 AM CDT | Flash Flood Warning | MPX | 6 hr |
| Jun 7, 6:47 AM CDT | Special Weather Statement | MPX | 43 min |
| Jun 7, 7:27 AM CDT | Special Weather Statement | MPX | 2 hr |
| Jun 14, 11:18 AM CDT | High Wind Warning | MPX | 4 hr |
| Jun 14, 3:22 PM CDT | Flash Flood Watch | MPX | 19 hr |
| Jun 16, 4:19 PM CDT | High Wind Warning | MPX | 9 hr |
| Jun 17, 7:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 10:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 18, 1:33 PM CDT | River Flood Warning | MPX | 21 days |
| Jun 18, 2:41 PM CDT | Flash Flood Watch | MPX | 29 hr |
| Jun 19, 8:45 AM CDT | Areal Flood Warning | MPX | 3 days |
| Jun 19, 9:53 AM CDT | Flash Flood Warning | MPX | 4 hr |
| Jun 19, 10:45 AM CDT | Special Weather Statement | MPX | 2 hr |
| Jun 19, 12:07 PM CDT | River Flood Warning | MPX | 16 days |
| Jun 19, 12:07 PM CDT | River Flood Warning | MPX | 17 days |
| Jun 19, 11:04 PM CDT | Dense Fog Advisory | MPX | 10 hr |
| Jun 22, 4:26 AM CDT | Flash Flood Watch | MPX | 15 hr |
| Jun 28, 1:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 2:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 28, 5:40 PM CDT | Areal Flood Warning | MPX | 6 hr |
| Jun 28, 6:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 29, 2:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 4:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 7, 1:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 7, 4:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 7, 5:12 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 5:38 PM CDT | Special Weather Statement | MPX | 37 min |
| Jul 7, 5:50 PM CDT | Severe Thunderstorm Warning | MPX | 40 min |
| Jul 7, 6:13 PM CDT | Severe Thunderstorm Warning | MPX | 47 min |
| Jul 7, 6:40 PM CDT | Severe Thunderstorm Warning | MPX | 49 min |
| Jul 11, 10:38 AM CDT | Special Weather Statement | MPX | 112 min |
| Jul 12, 1:21 PM CDT | Special Weather Statement | MPX | 114 min |
| Jul 19, 4:28 AM CDT | Excessive Heat Watch | MPX | 23 hr |
| Jul 20, 3:00 AM CDT | Excessive Heat Warning | MPX | 52 hr |
| Aug 17, 6:23 PM CDT | Special Weather Statement | MPX | 112 min |
| Aug 17, 6:53 PM CDT | Flash Flood Warning | MPX | 4 hr |
| Aug 21, 2:33 AM CDT | Flash Flood Watch | MPX | 4 hr |
| Aug 21, 3:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 21, 7:16 AM CDT | Heat Advisory | MPX | 13 hr |
| Aug 24, 3:45 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 24, 5:24 PM CDT | Special Weather Statement | MPX | 51 min |
| Aug 24, 6:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 24, 9:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Aug 29, 2:38 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 31, 6:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 3, 12:19 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 9, 4:00 AM CDT | Flash Flood Watch | MPX | 27 hr |
| Sep 12, 2:08 PM CDT | Frost Advisory | MPX | 18 hr |
| Sep 20, 1:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 20, 3:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 20, 5:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Sep 20, 5:33 PM CDT | Severe Thunderstorm Warning | MPX | 42 min |
| Sep 20, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | 43 min |
| Oct 1, 10:48 PM CDT | Dense Fog Advisory | MPX | 9 hr |
| Oct 4, 1:29 PM CDT | Frost Advisory | MPX | 19 hr |
| Oct 9, 2:40 PM CDT | Frost Advisory | MPX | 18 hr |
| Oct 23, 5:02 PM CDT | Dense Fog Advisory | MPX | 14 hr |
| Nov 8, 2:43 PM CST | Winter Storm Watch | MPX | 25 hr |
| Nov 8, 9:03 PM CST | Winter Storm Warning | MPX | 63 hr |
| Nov 9, 3:17 PM CST | Winter Weather Advisory | MPX | 45 hr |
| Nov 22, 8:06 PM CST | Dense Fog Advisory | MPX | 28 hr |
| Nov 25, 3:42 PM CST | Winter Weather Advisory | MPX | 26 hr |
| Nov 30, 3:42 AM CST | Wind Chill Advisory | MPX | 30 hr |
| Dec 12, 9:16 PM CST | Dense Fog Advisory | MPX | 69 hr |
| Dec 26, 4:00 AM CST | Winter Weather Advisory | MPX | 31 hr |
| Dec 29, 3:41 AM CST | Wind Chill Advisory | MPX | 31 hr |
| Dec 30, 2:18 PM CST | Wind Chill Advisory | MPX | 20 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 archive20132015
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.