Alert archive / Minnesota / Carlton County
Weather alerts in Carlton County, Minnesota, 2017
183 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Carlton County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 183
- Warnings
- 32
- Watches
- 8
- Advisories
- 52
- Busiest month
- September40 alerts
- Busiest day
- July 6, 201711 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Carlton County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 22 | 13 | 41% | 8 | 100% | 30 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Duluth, MN: tornado warnings | 7 | 0 | 100% | 1 | 0% | |
| NWS Duluth, MN: severe thunderstorm warnings | 166 | 73 | 56% | 191 | 79% | 19 min |
| NWS Duluth, MN: flash flood warnings | 8 | 3 | 63% | 12 | 92% | 125 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, 3:56 PM CST | Winter Weather Advisory | DLH | 38 hr |
| Jan 3, 3:00 PM CST | Wind Chill Advisory | DLH | 21 hr |
| Jan 4, 2:55 PM CST | Wind Chill Advisory | DLH | 21 hr |
| Jan 5, 3:01 PM CST | Wind Chill Advisory | DLH | 21 hr |
| Jan 6, 2:10 PM CST | Wind Chill Advisory | DLH | 22 hr |
| Jan 7, 3:54 PM CST | Wind Chill Advisory | DLH | 17 hr |
| Jan 9, 3:43 AM CST | Winter Weather Advisory | DLH | 38 hr |
| Jan 11, 3:00 PM CST | Wind Chill Advisory | DLH | 19 hr |
| Jan 12, 12:06 PM CST | Wind Chill Advisory | DLH | 24 hr |
| Jan 17, 8:10 AM CST | Dense Fog Advisory | DLH | 3 hr |
| Jan 17, 11:04 AM CST | Dense Fog Advisory | DLH | 116 min |
| Jan 19, 1:37 AM CST | Dense Fog Advisory | DLH | 7 hr |
| Jan 19, 9:04 AM CST | Dense Fog Advisory | DLH | 3 hr |
| Jan 20, 8:36 AM CST | Freezing Rain Advisory | DLH | 3 hr |
| Jan 20, 6:47 PM CST | Winter Weather Advisory | DLH | 15 hr |
| Jan 21, 3:41 AM CST | Dense Fog Advisory | DLH | 6 hr |
| Jan 21, 10:18 AM CST | Dense Fog Advisory | DLH | 3 hr |
| Jan 21, 9:24 PM CST | Dense Fog Advisory | DLH | 15 hr |
| Jan 29, 3:23 PM CST | Winter Weather Advisory | DLH | 27 hr |
| Jan 30, 9:31 AM CST | Special Weather Statement | DLH | 59 min |
| Jan 30, 10:15 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 6, 3:07 AM CST | Winter Weather Advisory | DLH | 36 hr |
| Feb 22, 3:31 PM CST | Special Weather Statement | DLH | 14 min |
| Mar 6, 4:25 AM CST | Wind Advisory | DLH | 59 hr |
| Mar 6, 5:03 PM CST | Mesoscale Discussion | SPC | 57 min |
| Mar 9, 2:57 AM CST | Wind Chill Advisory | DLH | 30 hr |
| Mar 11, 4:15 PM CST | Winter Weather Advisory | DLH | 46 hr |
| Mar 13, 2:49 AM CDT | Lake Effect Snow Warning | DLH | 12 hr |
| Mar 23, 4:06 AM CDT | Winter Weather Advisory | DLH | 23 hr |
| Apr 3, 5:20 AM CDT | Dense Fog Advisory | DLH | 7 hr |
| Apr 9, 3:29 PM CDT | Winter Weather Advisory | DLH | 38 hr |
| Apr 17, 3:17 PM CDT | Winter Weather Advisory | DLH | 21 hr |
| Apr 25, 4:01 AM CDT | Winter Storm Watch | DLH | 10 hr |
| Apr 25, 2:21 PM CDT | Winter Weather Advisory | DLH | 50 hr |
| Apr 30, 3:48 AM CDT | Winter Weather Advisory | DLH | 44 hr |
| Apr 30, 4:36 PM CDT | Winter Storm Warning | DLH | 18 hr |
| May 15, 1:57 AM CDT | Special Weather Statement | DLH | 33 min |
| May 15, 2:34 AM CDT | Special Weather Statement | DLH | 26 min |
| May 16, 2:29 PM CDT | Dense Fog Advisory | DLH | 5 hr |
| May 16, 4:56 PM CDT | Special Weather Statement | DLH | 34 min |
| May 18, 3:08 PM CDT | Freeze Warning | DLH | 15 hr |
| May 26, 4:12 PM CDT | Special Weather Statement | DLH | 33 min |
| May 26, 4:24 PM CDT | Special Weather Statement | DLH | 21 min |
| May 26, 4:39 PM CDT | Special Weather Statement | DLH | 21 min |
| May 26, 5:03 PM CDT | Special Weather Statement | DLH | 12 min |
| May 28, 9:54 AM CDT | Special Weather Statement | DLH | 36 min |
| May 28, 10:30 AM CDT | Special Weather Statement | DLH | 30 min |
| May 28, 7:00 PM CDT | Special Weather Statement | DLH | 30 min |
| Jun 4, 5:06 PM CDT | Special Weather Statement | DLH | 24 min |
| Jun 9, 4:06 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jun 10, 4:39 AM CDT | Special Weather Statement | DLH | 21 min |
| Jun 13, 4:14 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jun 13, 10:59 AM CDT | Special Weather Statement | DLH | 31 min |
| Jun 13, 11:30 AM CDT | Special Weather Statement | DLH | 30 min |
| Jun 14, 12:42 AM CDT | Special Weather Statement | DLH | 33 min |
| Jun 14, 1:13 AM CDT | Special Weather Statement | DLH | 32 min |
| Jun 14, 3:53 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jun 17, 3:00 PM CDT | Special Weather Statement | DLH | 30 min |
| Jun 17, 3:35 PM CDT | Special Weather Statement | DLH | 25 min |
| Jun 17, 5:29 PM CDT | Special Weather Statement | DLH | 16 min |
| Jun 17, 7:53 PM CDT | Special Weather Statement | DLH | 37 min |
| Jun 28, 4:03 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jun 28, 8:12 PM CDT | Areal Flood Advisory | DLH | 3 hr |
| Jul 6, 12:36 AM CDT | Severe Thunderstorm Warning | DLH | 24 min |
| Jul 6, 12:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 6, 12:59 AM CDT | Severe Thunderstorm Warning | DLH | 46 min |
| Jul 6, 1:37 AM CDT | Severe Thunderstorm Warning | DLH | 23 min |
| Jul 6, 3:26 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 6, 4:28 AM CDT | Special Weather Statement | DLH | 32 min |
| Jul 6, 4:44 AM CDT | Severe Thunderstorm Warning | DLH | 46 min |
| Jul 6, 4:55 AM CDT | Flash Flood Warning | DLH | 4 hr |
| Jul 6, 5:31 AM CDT | Severe Thunderstorm Warning | DLH | 44 min |
| Jul 6, 5:43 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 7:30 AM CDT | Areal Flood Warning | DLH | 6 hr |
| Jul 7, 12:27 PM CDT | Special Weather Statement | DLH | 18 min |
| Jul 12, 12:20 AM CDT | Special Weather Statement | DLH | 25 min |
| Jul 12, 12:44 AM CDT | Special Weather Statement | DLH | 31 min |
| Jul 12, 8:38 AM CDT | Beach Hazards Statement | DLH | 11 hr |
| Jul 13, 4:04 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Jul 16, 10:18 AM CDT | Beach Hazards Statement | DLH | 10 hr |
| Jul 17, 2:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 17, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 17, 6:34 PM CDT | Special Weather Statement | DLH | 86 min |
| Jul 17, 6:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 6:43 PM CDT | Severe Thunderstorm Warning | DLH | 62 min |
| Jul 17, 7:17 PM CDT | Severe Thunderstorm Warning | DLH | 43 min |
| Jul 18, 11:17 AM CDT | Special Weather Statement | DLH | 28 min |
| Jul 21, 5:34 AM CDT | Beach Hazards Statement | DLH | 14 hr |
| Jul 21, 3:07 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 21, 6:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 21, 7:09 PM CDT | Severe Thunderstorm Warning | DLH | 51 min |
| Jul 21, 7:14 PM CDT | Severe Thunderstorm Warning | DLH | 46 min |
| Jul 21, 7:37 PM CDT | Flash Flood Warning | DLH | 6 hr |
| Jul 21, 7:49 PM CDT | Severe Thunderstorm Warning | DLH | 41 min |
| Jul 21, 7:59 PM CDT | Severe Thunderstorm Warning | DLH | 46 min |
| Jul 21, 8:29 PM CDT | Severe Thunderstorm Warning | DLH | 33 min |
| Jul 21, 8:45 PM CDT | Special Weather Statement | DLH | 30 min |
| Jul 22, 3:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 8:13 PM CDT | Special Weather Statement | DLH | 32 min |
| Aug 2, 3:24 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Aug 3, 3:17 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Aug 4, 1:48 PM CDT | Special Weather Statement | DLH | 12 min |
| Aug 4, 2:01 PM CDT | Special Weather Statement | DLH | 14 min |
| Aug 4, 3:28 PM CDT | Special Weather Statement | DLH | 17 min |
| Aug 4, 7:34 PM CDT | Special Weather Statement | DLH | 41 min |
| Aug 10, 4:06 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Aug 14, 9:57 AM CDT | Beach Hazards Statement | DLH | 9 hr |
| Aug 15, 3:14 AM CDT | Dense Fog Advisory | DLH | 6 hr |
| Aug 15, 3:54 PM CDT | Beach Hazards Statement | DLH | 4 hr |
| Aug 16, 5:08 AM CDT | Beach Hazards Statement | DLH | 15 hr |
| Aug 17, 5:17 AM CDT | Beach Hazards Statement | DLH | 15 hr |
| Aug 18, 5:42 PM CDT | Special Weather Statement | DLH | 33 min |
| Aug 18, 6:15 PM CDT | Special Weather Statement | DLH | 15 min |
| Aug 24, 9:32 AM CDT | Beach Hazards Statement | DLH | 10 hr |
| Aug 25, 3:50 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Aug 30, 7:31 AM CDT | Special Weather Statement | DLH | 14 min |
| Aug 30, 10:07 AM CDT | Beach Hazards Statement | DLH | 10 hr |
| Aug 31, 3:24 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Sep 2, 5:08 PM CDT | Special Weather Statement | DLH | 37 min |
| Sep 3, 6:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 3, 9:50 PM CDT | Severe Thunderstorm Warning | DLH | 25 min |
| Sep 3, 10:21 PM CDT | Special Weather Statement | DLH | 24 min |
| Sep 4, 12:16 PM CDT | Special Weather Statement | DLH | 29 min |
| Sep 8, 10:04 AM CDT | Beach Hazards Statement | DLH | 10 hr |
| Sep 8, 3:15 PM CDT | Frost Advisory | DLH | 16 hr |
| Sep 9, 3:44 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 14, 3:16 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Sep 14, 9:27 AM CDT | Dense Fog Advisory | DLH | 78 min |
| Sep 15, 3:55 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 16, 3:58 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 19, 3:40 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 20, 1:22 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 20, 2:00 AM CDT | Severe Thunderstorm Warning | DLH | 30 min |
| Sep 20, 2:29 AM CDT | Severe Thunderstorm Warning | DLH | 46 min |
| Sep 20, 2:46 AM CDT | Special Weather Statement | DLH | 14 min |
| Sep 20, 3:10 AM CDT | Severe Thunderstorm Warning | DLH | 35 min |
| Sep 20, 3:16 AM CDT | Severe Thunderstorm Warning | DLH | 44 min |
| Sep 21, 3:15 AM CDT | Beach Hazards Statement | DLH | 17 hr |
| Sep 22, 1:25 AM CDT | Severe Thunderstorm Warning | DLH | 26 min |
| Sep 22, 1:52 AM CDT | Special Weather Statement | DLH | 38 min |
| Sep 22, 3:40 AM CDT | Special Weather Statement | DLH | 35 min |
| Sep 22, 4:10 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 22, 5:26 AM CDT | Severe Thunderstorm Warning | DLH | 49 min |
| Sep 22, 6:22 AM CDT | Severe Thunderstorm Warning | DLH | 23 min |
| Sep 22, 6:41 AM CDT | Severe Thunderstorm Warning | DLH | 34 min |
| Sep 22, 8:13 AM CDT | Special Weather Statement | DLH | 17 min |
| Sep 22, 8:23 AM CDT | Severe Thunderstorm Warning | DLH | 37 min |
| Sep 22, 8:49 AM CDT | Special Weather Statement | DLH | 26 min |
| Sep 22, 10:02 AM CDT | Beach Hazards Statement | DLH | 10 hr |
| Sep 23, 5:45 PM CDT | Special Weather Statement | DLH | 30 min |
| Sep 24, 4:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 24, 5:35 PM CDT | Special Weather Statement | DLH | 25 min |
| Sep 24, 6:24 PM CDT | Special Weather Statement | DLH | 36 min |
| Sep 24, 6:51 PM CDT | Special Weather Statement | DLH | 24 min |
| Sep 24, 7:19 PM CDT | Special Weather Statement | DLH | 26 min |
| Sep 24, 7:37 PM CDT | Special Weather Statement | DLH | 23 min |
| Sep 26, 3:42 AM CDT | Beach Hazards Statement | DLH | 16 hr |
| Sep 29, 3:14 AM CDT | Frost Advisory | DLH | 29 hr |
| Oct 2, 3:28 AM CDT | Flash Flood Watch | DLH | 30 hr |
| Oct 3, 4:33 AM CDT | Areal Flood Advisory | DLH | 4 hr |
| Oct 5, 3:16 PM CDT | Frost Advisory | DLH | 18 hr |
| Oct 8, 3:01 PM CDT | Freeze Watch | DLH | 24 hr |
| Oct 9, 3:27 AM CDT | Freeze Warning | DLH | 30 hr |
| Oct 18, 4:17 AM CDT | Red Flag Warning | DLH | 15 hr |
| Oct 23, 3:35 PM CDT | Wind Advisory | DLH | 26 hr |
| Oct 26, 4:14 AM CDT | Winter Weather Advisory | DLH | 35 hr |
| Oct 27, 4:01 AM CDT | Wind Advisory | DLH | 8 hr |
| Oct 27, 12:06 PM CDT | Winter Weather Advisory | DLH | 3 hr |
| Oct 31, 4:04 AM CDT | Winter Storm Watch | DLH | 11 hr |
| Oct 31, 3:09 PM CDT | Winter Weather Advisory | DLH | 36 hr |
| Nov 3, 3:42 AM CDT | Winter Weather Advisory | DLH | 42 hr |
| Nov 14, 3:20 AM CST | Dense Fog Advisory | DLH | 9 hr |
| Nov 14, 7:36 PM CST | Dense Fog Advisory | DLH | 12 hr |
| Nov 28, 1:21 PM CST | Wind Advisory | DLH | 5 hr |
| Dec 4, 3:22 AM CST | Winter Weather Advisory | DLH | 33 hr |
| Dec 20, 3:44 AM CST | Winter Weather Advisory | DLH | 28 hr |
| Dec 21, 5:28 PM CST | Winter Weather Advisory | DLH | 5 hr |
| Dec 24, 1:24 PM CST | Wind Chill Warning | DLH | 47 hr |
| Dec 24, 1:24 PM CST | Wind Chill Advisory | DLH | 70 hr |
| Dec 25, 2:14 PM CST | Wind Chill Advisory | DLH | 46 hr |
| Dec 28, 3:04 PM CST | Wind Chill Advisory | DLH | 20 hr |
| Dec 29, 3:21 AM CST | Wind Chill Warning | DLH | 3 days |
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 | 22 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 51 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Lake Effect Snow Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 18 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 11 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 13 |
| Coast and beach | |
| Beach Hazards Statement | 28 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.