Alert archive / Minnesota / Stevens County
Weather alerts in Stevens County, Minnesota, 2008
105 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Stevens County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 105
- Warnings
- 18
- Watches
- 14
- Advisories
- 40
- Busiest month
- July19 alerts
- Busiest day
- December 14, 20086 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 1 tornado reports fell inside a warning.
Stevens County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 5 | 1 | 80% | 1 | 100% | 17 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 46 | 10 | 78% | 31 | 65% | 11 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 293 | 114 | 61% | 430 | 83% | 26 min |
| NWS Twin Cities, MN: flash flood warnings | 3 | 1 | 67% | 4 | 50% | 68 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 3, 2:25 AM CST | Wind Advisory | MPX | 13 hr |
| Jan 14, 4:11 AM CST | Wind Chill Advisory | MPX | 5 hr |
| Jan 14, 9:41 AM CST | Wind Chill Advisory | MPX | 2 hr |
| Jan 17, 3:25 PM CST | Wind Chill Advisory | MPX | 51 hr |
| Jan 18, 4:34 AM CST | Wind Chill Warning | MPX | 29 hr |
| Jan 18, 4:34 AM CST | Wind Chill Advisory | MPX | 37 hr |
| Jan 23, 2:45 PM CST | Wind Chill Advisory | MPX | 18 hr |
| Jan 28, 2:59 PM CST | Winter Weather Advisory | MPX | 27 hr |
| Jan 29, 3:37 AM CST | Wind Chill Advisory | MPX | 16 hr |
| Jan 29, 2:51 PM CST | Wind Chill Warning | MPX | 21 hr |
| Feb 3, 3:39 PM CST | Snow Advisory | MPX | 28 hr |
| Feb 8, 2:27 PM CST | Wind Chill Watch | MPX | 13 hr |
| Feb 8, 2:27 PM CST | Winter Weather Advisory | MPX | 34 hr |
| Feb 9, 3:50 AM CST | Wind Chill Warning | MPX | 32 hr |
| Feb 10, 10:52 AM CST | Wind Chill Advisory | MPX | 7 hr |
| Feb 13, 4:32 AM CST | Snow Advisory | MPX | 25 hr |
| Feb 17, 2:58 PM CST | Wind Advisory | MPX | 7 hr |
| Feb 19, 3:59 AM CST | Wind Chill Advisory | MPX | 32 hr |
| Feb 24, 5:14 AM CST | Dense Fog Advisory | MPX | 5 hr |
| Feb 24, 3:08 PM CST | Dense Fog Advisory | MPX | 18 hr |
| Mar 19, 3:00 PM CDT | Winter Storm Watch | MPX | 22 hr |
| Mar 20, 1:01 PM CDT | Winter Storm Warning | MPX | 30 hr |
| Mar 30, 3:04 PM CDT | Snow Advisory | MPX | 29 hr |
| Mar 31, 9:48 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 6, 3:57 AM CDT | Winter Weather Advisory | MPX | 27 hr |
| Apr 9, 12:46 PM CDT | Winter Storm Watch | MPX | 16 hr |
| Apr 9, 4:02 PM CDT | Winter Storm Warning | MPX | 57 hr |
| Apr 10, 7:49 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 10, 11:33 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 14, 3:54 PM CDT | Wind Advisory | MPX | 30 hr |
| Apr 21, 11:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 5:10 AM CDT | Winter Weather Advisory | MPX | 29 hr |
| Apr 25, 12:38 PM CDT | Winter Storm Warning | MPX | 21 hr |
| May 2, 3:51 AM CDT | Wind Advisory | MPX | 29 hr |
| May 12, 10:30 AM CDT | Wind Advisory | MPX | 9 hr |
| May 24, 9:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 29, 5:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 12:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 30, 3:06 PM CDT | Severe Thunderstorm Warning | MPX | 54 min |
| May 30, 3:14 PM CDT | Severe Thunderstorm Warning | MPX | 46 min |
| Jun 5, 11:36 AM CDT | Flash Flood Watch | MPX | 17 hr |
| Jun 6, 2:41 AM CDT | Wind Advisory | MPX | 15 hr |
| Jun 11, 4:40 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 11, 5:16 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 12, 2:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 12, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 7:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 14, 2:49 PM CDT | Mesoscale Discussion | SPC | 26 min |
| Jun 14, 3:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 14, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 14, 6:23 PM CDT | Severe Thunderstorm Warning | MPX | 82 min |
| Jun 14, 8:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 27, 12:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 3:22 AM CDT | Wind Advisory | MPX | 19 hr |
| Jul 7, 2:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 10, 7:41 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 10, 7:58 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 10, 8:21 AM CDT | Severe Thunderstorm Warning | MPX | 54 min |
| Jul 10, 9:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 10, 11:20 PM CDT | Severe Thunderstorm Warning | MPX | 55 min |
| Jul 11, 12:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 11, 2:26 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 11, 4:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 11, 5:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 12, 3:45 AM CDT | Wind Advisory | MPX | 15 hr |
| Jul 16, 3:34 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 16, 11:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 29, 12:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 29, 12:56 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 2:59 AM CDT | High Wind Warning | MPX | 2 hr |
| Jul 31, 12:50 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 31, 4:51 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 31, 5:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 4, 3:54 AM CDT | Dense Fog Advisory | MPX | 5 hr |
| Aug 27, 2:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 27, 4:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 31, 9:28 AM CDT | Wind Advisory | MPX | 10 hr |
| Sep 1, 3:15 AM CDT | Wind Advisory | MPX | 16 hr |
| Sep 12, 4:03 AM CDT | Dense Fog Advisory | MPX | 4 hr |
| Sep 25, 3:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 28, 3:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Oct 25, 3:32 PM CDT | High Wind Watch | MPX | 12 hr |
| Oct 25, 3:32 PM CDT | Wind Advisory | MPX | 28 hr |
| Oct 26, 3:10 AM CDT | High Wind Warning | MPX | 16 hr |
| Oct 26, 10:47 AM CDT | Winter Weather Advisory | MPX | 5 hr |
| Nov 10, 8:56 PM CST | Winter Weather Advisory | MPX | 21 hr |
| Dec 8, 5:01 AM CST | Winter Weather Advisory | MPX | 28 hr |
| Dec 12, 4:09 AM CST | Blizzard Watch | MPX | 36 hr |
| Dec 13, 4:36 PM CST | Winter Storm Warning | MPX | 31 hr |
| Dec 13, 4:36 PM CST | Winter Weather Advisory | MPX | 37 hr |
| Dec 14, 12:07 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 14, 5:25 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 14, 5:44 AM CST | Blizzard Warning | MPX | 18 hr |
| Dec 14, 5:44 AM CST | Wind Chill Advisory | MPX | 42 hr |
| Dec 14, 12:02 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 14, 4:28 PM CST | Wind Chill Warning | MPX | 26 hr |
| Dec 18, 3:43 PM CST | Blizzard Watch | MPX | 36 hr |
| Dec 19, 11:21 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 20, 3:55 AM CST | Blizzard Warning | MPX | 17 hr |
| Dec 20, 3:55 AM CST | Winter Storm Warning | MPX | 38 hr |
| Dec 20, 8:48 PM CST | Winter Weather Advisory | MPX | 21 hr |
| Dec 21, 3:15 PM CST | Wind Chill Advisory | MPX | 18 hr |
| Dec 22, 3:42 AM CST | Winter Weather Advisory | MPX | 32 hr |
| Dec 26, 12:32 PM CST | Dense Fog Advisory | MPX | 14 hr |
| Dec 29, 7:51 AM CST | Winter Weather Advisory | MPX | 34 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 | 5 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 33 |
| Flooding | |
| Flash Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 5 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 2 |
| Snow Advisory | 3 |
| Winter Weather Advisory | 11 |
| Cold | |
| Wind Chill Warning | 4 |
| Wind Chill Watch | 1 |
| Wind Chill Advisory | 10 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.