Alert archive / Minnesota / Roseau County
Weather alerts in Roseau County, Minnesota, 2013
99 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Roseau County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 99
- Warnings
- 22
- Watches
- 17
- Advisories
- 44
- Busiest month
- December20 alerts
- Busiest day
- July 12, 20134 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 warnings covering Roseau County in 2013 had a tornado report inside them.
Roseau County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 9 | 8 | 11% | 7 | 86% | 28 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Forks, ND: tornado warnings | 17 | 7 | 59% | 16 | 69% | 20 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 125 | 99 | 21% | 264 | 74% | 25 min |
| NWS Grand Forks, ND: flash flood warnings | 5 | 5 | 0% | 12 | 100% | 67 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, 1:39 AM CST | Wind Chill Advisory | FGF | 7 hr |
| Jan 9, 1:11 AM CST | Wind Advisory | FGF | 5 hr |
| Jan 9, 3:42 PM CST | Winter Storm Watch | FGF | 36 hr |
| Jan 10, 4:07 AM CST | Freezing Rain Advisory | FGF | 32 hr |
| Jan 10, 9:46 AM CST | Wind Advisory | FGF | 5 hr |
| Jan 11, 4:01 AM CST | Winter Storm Warning | FGF | 31 hr |
| Jan 11, 5:54 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 12, 3:15 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Jan 16, 3:24 PM CST | Wind Chill Advisory | FGF | 12 hr |
| Jan 18, 4:11 AM CST | Blizzard Watch | FGF | 25 hr |
| Jan 19, 4:50 AM CST | Winter Weather Advisory | FGF | 16 hr |
| Jan 19, 3:16 PM CST | Wind Chill Advisory | FGF | 27 hr |
| Jan 20, 4:22 AM CST | Wind Chill Warning | FGF | 51 hr |
| Jan 21, 10:51 AM CST | Wind Chill Advisory | FGF | 24 hr |
| Jan 22, 3:20 PM CST | Wind Chill Advisory | FGF | 48 hr |
| Jan 24, 3:14 PM CST | Winter Weather Advisory | FGF | 19 hr |
| Jan 30, 3:40 PM CST | Wind Chill Advisory | FGF | 44 hr |
| Feb 8, 4:17 AM CST | Winter Storm Watch | FGF | 48 hr |
| Feb 9, 2:31 PM CST | Winter Storm Warning | FGF | 45 hr |
| Feb 10, 12:57 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 17, 4:48 AM CST | Blizzard Watch | FGF | 17 hr |
| Feb 17, 3:39 PM CST | Winter Storm Warning | FGF | 24 hr |
| Feb 17, 3:39 PM CST | Winter Weather Advisory | FGF | 29 hr |
| Feb 18, 8:43 PM CST | Wind Chill Advisory | FGF | 38 hr |
| Feb 23, 8:19 PM CST | Freezing Fog Advisory | FGF | 15 hr |
| Mar 2, 4:02 AM CST | Winter Storm Watch | FGF | 41 hr |
| Mar 3, 5:05 AM CST | Winter Storm Warning | FGF | 49 hr |
| Mar 16, 4:37 AM CDT | Winter Storm Watch | FGF | 26 hr |
| Mar 16, 7:49 PM CDT | Winter Storm Warning | FGF | 47 hr |
| Mar 19, 3:31 PM CDT | Wind Chill Advisory | FGF | 18 hr |
| Apr 12, 4:07 AM CDT | Winter Storm Watch | FGF | 26 hr |
| Apr 13, 6:25 AM CDT | Winter Storm Warning | FGF | 55 hr |
| Apr 25, 4:43 PM CDT | River Flood Warning | FGF | 7 days |
| Apr 26, 9:30 AM CDT | Flood Watch | FGF | 4 days |
| May 11, 9:25 AM CDT | Wind Advisory | FGF | 4 hr |
| May 14, 4:15 AM CDT | Wind Advisory | FGF | 17 hr |
| May 14, 4:59 AM CDT | Red Flag Warning | FGF | 16 hr |
| May 19, 8:24 PM CDT | Wind Advisory | FGF | 35 hr |
| May 20, 7:15 AM CDT | Flood Watch | FGF | 29 hr |
| Jun 2, 3:19 PM CDT | Frost Advisory | FGF | 16 hr |
| Jun 10, 7:29 PM CDT | Special Weather Statement | FGF | 61 min |
| Jun 20, 1:18 PM CDT | Flash Flood Watch | FGF | 39 hr |
| Jun 22, 4:27 AM CDT | Flash Flood Watch | FGF | 26 hr |
| Jun 25, 11:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 25, 11:39 PM CDT | Severe Thunderstorm Warning | FGF | 51 min |
| Jun 26, 6:30 PM CDT | Special Weather Statement | FGF | 60 min |
| Jul 12, 3:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 12, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 12, 4:41 PM CDT | Special Weather Statement | FGF | 64 min |
| Jul 12, 6:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 12, 11:46 PM CDT | Dense Fog Advisory | FGF | 8 hr |
| Jul 18, 10:04 PM CDT | Special Weather Statement | FGF | 56 min |
| Jul 24, 4:05 PM CDT | Severe Thunderstorm Warning | FGF | 40 min |
| Jul 24, 4:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 18, 7:09 PM CDT | Severe Thunderstorm Warning | FGF | 66 min |
| Aug 18, 7:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 19, 7:19 AM CDT | Dense Fog Advisory | FGF | 4 hr |
| Aug 24, 1:13 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 24, 5:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 24, 6:47 PM CDT | Special Weather Statement | FGF | 58 min |
| Aug 24, 7:02 PM CDT | Tornado Warning | FGF | 43 min |
| Aug 24, 7:27 PM CDT | Severe Thunderstorm Warning | FGF | 48 min |
| Aug 24, 7:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 24, 8:07 PM CDT | Severe Thunderstorm Warning | FGF | 53 min |
| Aug 29, 6:12 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 30, 6:02 AM CDT | Dense Fog Advisory | FGF | 4 hr |
| Aug 31, 2:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 31, 2:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 31, 6:22 PM CDT | Severe Thunderstorm Warning | FGF | 38 min |
| Aug 31, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | 56 min |
| Aug 31, 7:31 PM CDT | Severe Thunderstorm Warning | FGF | 59 min |
| Aug 31, 7:58 PM CDT | Severe Thunderstorm Warning | FGF | 62 min |
| Sep 8, 3:30 PM CDT | Flood Watch | FGF | 15 hr |
| Sep 18, 8:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 18, 11:25 PM CDT | Dense Fog Advisory | FGF | 10 hr |
| Sep 20, 3:42 PM CDT | Frost Advisory | FGF | 17 hr |
| Sep 30, 3:25 PM CDT | Wind Advisory | FGF | 27 hr |
| Oct 12, 3:40 PM CDT | Frost Advisory | FGF | 18 hr |
| Oct 25, 10:02 AM CDT | Wind Advisory | FGF | 12 hr |
| Dec 1, 3:46 PM CST | Winter Storm Watch | FGF | 37 hr |
| Dec 1, 3:46 PM CST | Winter Weather Advisory | FGF | 37 hr |
| Dec 3, 4:54 AM CST | Winter Storm Warning | FGF | 49 hr |
| Dec 5, 3:58 AM CST | Wind Chill Advisory | FGF | 3 days |
| Dec 6, 3:29 PM CST | Wind Chill Warning | FGF | 21 hr |
| Dec 8, 3:06 PM CST | Wind Chill Advisory | FGF | 22 hr |
| Dec 9, 3:24 PM CST | Wind Chill Advisory | FGF | 20 hr |
| Dec 10, 2:24 PM CST | Wind Chill Advisory | FGF | 25 hr |
| Dec 12, 3:27 PM CST | Wind Chill Advisory | FGF | 30 hr |
| Dec 14, 7:11 PM CST | Wind Chill Advisory | FGF | 11 hr |
| Dec 18, 3:39 PM CST | Wind Chill Advisory | FGF | 20 hr |
| Dec 18, 3:39 PM CST | Winter Weather Advisory | FGF | 8 hr |
| Dec 18, 11:53 PM CST | Wind Chill Advisory | FGF | 12 hr |
| Dec 22, 4:06 AM CST | Wind Chill Advisory | FGF | 50 hr |
| Dec 23, 3:51 PM CST | Wind Chill Advisory | FGF | 14 hr |
| Dec 23, 3:51 PM CST | Winter Weather Advisory | FGF | 24 hr |
| Dec 28, 4:10 AM CST | Winter Weather Advisory | FGF | 17 hr |
| Dec 28, 6:46 PM CST | Wind Chill Warning | FGF | 17 hr |
| Dec 29, 11:51 AM CST | Wind Chill Advisory | FGF | 10 hr |
| Dec 30, 9:58 AM CST | Wind Chill Advisory | FGF | 32 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 | 9 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 5 |
| Flooding | |
| River Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 3 |
| Winter | |
| Winter Storm Warning | 7 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 6 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 7 |
| Cold | |
| Wind Chill Warning | 3 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 21 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.