Alert archive / Minnesota / Roseau County
Weather alerts in Roseau County, Minnesota, 2008
100 weather alerts in 2008, 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 2008. Tap one for its archive.
- Alerts
- 100
- Warnings
- 25
- Watches
- 15
- Advisories
- 45
- Busiest month
- July25 alerts
- Busiest day
- July 11, 200812 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 3 tornado warnings covering Roseau County in 2008 had a tornado report inside them.
Roseau County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 11 | 2 | 82% | 2 | 50% | 56 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 Grand Forks, ND: tornado warnings | 58 | 26 | 55% | 53 | 75% | 21 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 217 | 91 | 58% | 196 | 76% | 26 min |
| NWS Grand Forks, ND: flash flood warnings | 9 | 7 | 22% | 17 | 82% | 112 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 2, 10:40 PM CST | Wind Advisory | FGF | 7 hr |
| Jan 13, 9:14 PM CST | Wind Chill Advisory | FGF | 7 hr |
| Jan 14, 4:27 AM CST | Wind Chill Advisory | FGF | 4 hr |
| Jan 14, 9:46 PM CST | Wind Chill Advisory | FGF | 10 hr |
| Jan 16, 1:04 AM CST | Winter Weather Advisory | FGF | 11 hr |
| Jan 17, 3:46 AM CST | Wind Chill Advisory | FGF | 56 hr |
| Jan 17, 3:18 PM CST | Wind Chill Warning | FGF | 21 hr |
| Jan 27, 2:54 PM CST | Winter Storm Watch | FGF | 24 hr |
| Jan 28, 4:19 AM CST | Winter Weather Advisory | FGF | 35 hr |
| Jan 28, 3:20 PM CST | Wind Chill Warning | FGF | 45 hr |
| Jan 30, 11:54 AM CST | Wind Chill Advisory | FGF | 8 hr |
| Feb 7, 3:47 AM CST | Blizzard Watch | FGF | 42 hr |
| Feb 8, 3:37 PM CST | Winter Weather Advisory | FGF | 26 hr |
| Feb 9, 3:12 PM CST | Wind Chill Warning | FGF | 21 hr |
| Feb 10, 3:41 PM CST | Wind Chill Advisory | FGF | 20 hr |
| Feb 13, 3:24 PM CST | Wind Chill Advisory | FGF | 21 hr |
| Feb 13, 4:09 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 4:11 AM CST | Winter Weather Advisory | FGF | 17 hr |
| Feb 17, 9:47 AM CST | Snow and Blowing Snow Advisory | FGF | 10 hr |
| Feb 17, 7:40 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Feb 19, 3:56 AM CST | Wind Chill Advisory | FGF | 6 hr |
| Feb 19, 10:13 AM CST | Wind Chill Warning | FGF | 18 hr |
| Feb 20, 3:26 PM CST | Wind Chill Advisory | FGF | 19 hr |
| Mar 2, 9:16 AM CST | Winter Weather Advisory | FGF | 12 hr |
| Mar 4, 3:56 AM CST | Winter Weather Advisory | FGF | 15 hr |
| Mar 29, 11:12 PM CDT | Wind Advisory | FGF | 11 hr |
| Apr 14, 10:30 AM CDT | Wind Advisory | FGF | 11 hr |
| Apr 25, 4:54 AM CDT | Snow Advisory | FGF | 7 hr |
| Apr 25, 4:54 AM CDT | Winter Storm Warning | FGF | 38 hr |
| Apr 25, 11:53 AM CDT | Winter Weather Advisory | FGF | 24 hr |
| May 16, 4:19 AM CDT | Wind Advisory | FGF | 17 hr |
| May 17, 3:44 AM CDT | Wind Advisory | FGF | 17 hr |
| May 17, 2:56 PM CDT | Frost Advisory | FGF | 17 hr |
| May 20, 3:04 PM CDT | Freeze Warning | FGF | 16 hr |
| May 24, 8:07 PM CDT | Tornado Watch | SPC | 3 hr |
| May 24, 9:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 3:12 PM CDT | Freeze Warning | FGF | 16 hr |
| May 27, 2:52 PM CDT | Frost Advisory | FGF | 16 hr |
| May 31, 2:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 5, 5:12 AM CDT | Flash Flood Watch | FGF | 22 hr |
| Jun 6, 10:09 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 6, 10:28 AM CDT | Tornado Watch | SPC | 5 hr |
| Jun 11, 11:24 AM CDT | Wind Advisory | FGF | 8 hr |
| Jun 11, 7:10 PM CDT | Wind Advisory | FGF | 110 min |
| Jun 12, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 6:48 PM CDT | Severe Thunderstorm Warning | FGF | 57 min |
| Jun 12, 7:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 12, 7:46 PM CDT | Severe Thunderstorm Warning | FGF | 59 min |
| Jun 12, 8:27 PM CDT | Severe Thunderstorm Warning | FGF | 49 min |
| Jun 28, 3:57 AM CDT | Wind Advisory | FGF | 16 hr |
| Jul 1, 3:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 1, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 1, 5:11 PM CDT | Severe Thunderstorm Warning | FGF | 64 min |
| Jul 1, 5:54 PM CDT | Severe Thunderstorm Warning | FGF | 66 min |
| Jul 1, 6:13 PM CDT | Severe Thunderstorm Warning | FGF | 62 min |
| Jul 5, 5:08 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 5, 8:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 5, 10:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 5, 11:42 PM CDT | Severe Thunderstorm Warning | FGF | 33 min |
| Jul 7, 6:30 PM CDT | Severe Thunderstorm Warning | FGF | 60 min |
| Jul 9, 3:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 10, 11:19 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 11, 4:11 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 11, 5:01 AM CDT | Severe Thunderstorm Warning | FGF | 59 min |
| Jul 11, 6:36 AM CDT | Mesoscale Discussion | SPC | 24 min |
| Jul 11, 6:40 AM CDT | Severe Thunderstorm Warning | FGF | 63 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, 3:22 PM CDT | Severe Thunderstorm Warning | FGF | 53 min |
| Jul 11, 3:41 PM CDT | Tornado Warning | FGF | 64 min |
| Jul 11, 4:16 PM CDT | Tornado Warning | FGF | 59 min |
| Jul 11, 4:44 PM CDT | Tornado Warning | FGF | 61 min |
| Jul 11, 5:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 12, 4:20 AM CDT | Wind Advisory | FGF | 18 hr |
| Jul 29, 12:56 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 21, 3:48 AM CDT | Wind Advisory | FGF | 17 hr |
| Aug 26, 4:12 AM CDT | Wind Advisory | FGF | 16 hr |
| Sep 1, 5:58 PM CDT | Areal Flood Advisory | FGF | 13 hr |
| Sep 22, 7:35 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 22, 10:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Sep 23, 1:37 AM CDT | Mesoscale Discussion | SPC | 23 min |
| Oct 2, 3:33 PM CDT | Frost Advisory | FGF | 18 hr |
| Oct 13, 3:20 PM CDT | Frost Advisory | FGF | 18 hr |
| Oct 25, 4:13 AM CDT | Wind Advisory | FGF | 39 hr |
| Oct 25, 3:37 PM CDT | Winter Weather Advisory | FGF | 24 hr |
| Nov 4, 1:38 PM CST | Flood Watch | FGF | 52 hr |
| Nov 12, 2:00 AM CST | Winter Weather Advisory | FGF | 8 hr |
| Dec 12, 3:39 AM CST | Blizzard Watch | FGF | 25 hr |
| Dec 13, 4:03 AM CST | Blizzard Warning | FGF | 48 hr |
| Dec 15, 12:04 AM CST | Wind Chill Warning | FGF | 12 hr |
| Dec 15, 11:28 AM CST | Wind Chill Advisory | FGF | 6 hr |
| Dec 18, 2:48 PM CST | Winter Storm Watch | FGF | 24 hr |
| Dec 19, 4:01 AM CST | Winter Storm Warning | FGF | 38 hr |
| Dec 20, 3:18 PM CST | Wind Chill Warning | FGF | 20 hr |
| Dec 20, 3:18 PM CST | Winter Weather Advisory | FGF | 20 hr |
| Dec 21, 11:04 AM CST | Wind Chill Advisory | FGF | 10 hr |
| Dec 22, 3:25 PM CST | Winter Weather Advisory | FGF | 24 hr |
| Dec 26, 2:48 PM CST | Winter Weather Advisory | FGF | 20 hr |
| Dec 28, 2:53 PM CST | Winter Weather Advisory | FGF | 17 hr |
| Dec 30, 2:40 PM CST | Wind Chill Advisory | FGF | 4 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 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.