Alert archive / Minnesota / Stearns County
Weather alerts in Stearns County, Minnesota, 2009
88 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Stearns County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 88
- Warnings
- 29
- Watches
- 12
- Advisories
- 28
- Busiest month
- March17 alerts
- Busiest day
- July 14, 200910 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 5 tornado warnings covering Stearns County in 2009 had a tornado report inside them.
Stearns County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 0 | ||
| Severe thunderstorm warnings | 9 | 7 | 22% | 12 | 92% | 24 min |
| Flash flood warnings | 1 | 1 | 0% | 3 | 33% | 123 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 51 | 17 | 67% | 44 | 59% | 11 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 94 | 49 | 48% | 135 | 62% | 22 min |
| NWS Twin Cities, MN: flash flood warnings | 11 | 7 | 36% | 24 | 58% | 73 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, 3:39 AM CST | Winter Storm Watch | MPX | 13 hr |
| Jan 2, 4:14 PM CST | Winter Storm Warning | MPX | 22 hr |
| Jan 2, 4:14 PM CST | Winter Weather Advisory | MPX | 36 hr |
| Jan 3, 9:27 PM CST | Wind Chill Advisory | MPX | 15 hr |
| Jan 8, 3:29 AM CST | Winter Weather Advisory | MPX | 39 hr |
| Jan 11, 3:30 PM CST | Winter Weather Advisory | MPX | 33 hr |
| Jan 12, 4:53 AM CST | Wind Chill Advisory | MPX | 31 hr |
| Jan 14, 4:29 AM CST | Wind Chill Warning | MPX | 56 hr |
| Jan 23, 4:06 AM CST | Wind Chill Advisory | MPX | 32 hr |
| Jan 24, 3:03 PM CST | Wind Chill Advisory | MPX | 21 hr |
| Feb 2, 2:52 PM CST | Wind Chill Advisory | MPX | 19 hr |
| Feb 8, 3:27 PM CST | Freezing Rain Advisory | MPX | 15 hr |
| Feb 24, 3:12 PM CST | Winter Storm Watch | MPX | 24 hr |
| Feb 25, 3:15 PM CST | Winter Storm Warning | MPX | 33 hr |
| Feb 26, 6:33 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 8, 5:28 AM CDT | Winter Storm Watch | MPX | 35 hr |
| Mar 9, 2:47 PM CDT | Winter Storm Warning | MPX | 37 hr |
| Mar 10, 9:53 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 11, 3:46 AM CDT | Wind Chill Advisory | MPX | 9 hr |
| Mar 16, 11:32 PM CDT | Dense Fog Advisory | MPX | 7 hr |
| Mar 21, 3:54 AM CDT | Dense Fog Advisory | MPX | 8 hr |
| Mar 22, 3:42 AM CDT | Wind Advisory | MPX | 24 hr |
| Mar 22, 2:17 PM CDT | Flood Watch | MPX | 29 hr |
| Mar 22, 11:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 23, 2:14 AM CDT | Areal Flood Advisory | MPX | 6 hr |
| Mar 23, 6:36 AM CDT | Areal Flood Warning | MPX | 6 hr |
| Mar 23, 1:34 PM CDT | River Flood Warning | MPX | 10 days |
| Mar 23, 1:34 PM CDT | River Flood Warning | MPX | 16 days |
| Mar 24, 4:19 PM CDT | Areal Flood Warning | MPX | 18 hr |
| Mar 28, 2:22 PM CDT | Winter Storm Watch | MPX | 39 hr |
| Mar 29, 3:16 PM CDT | Winter Storm Warning | MPX | 47 hr |
| Mar 31, 7:02 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 15, 3:32 PM CDT | Fire Weather Watch | MPX | 12 hr |
| Apr 16, 3:11 AM CDT | Red Flag Warning | MPX | 16 hr |
| Apr 23, 3:38 AM CDT | Red Flag Warning | MPX | 15 hr |
| May 13, 3:26 AM CDT | Wind Advisory | MPX | 19 hr |
| May 15, 1:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 15, 2:08 PM CDT | Special Weather Statement | MPX | 67 min |
| May 19, 3:50 PM CDT | Wind Advisory | MPX | 27 hr |
| Jun 13, 2:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 18, 1:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 3:12 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 18, 3:33 PM CDT | Special Weather Statement | MPX | 57 min |
| Jun 18, 3:41 PM CDT | Severe Thunderstorm Warning | MPX | 64 min |
| Jun 18, 4:47 PM CDT | Severe Thunderstorm Warning | MPX | 43 min |
| Jun 18, 5:13 PM CDT | Severe Thunderstorm Warning | MPX | 62 min |
| Jun 18, 7:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 18, 8:37 PM CDT | Special Weather Statement | MPX | 38 min |
| Jun 18, 8:51 PM CDT | Severe Thunderstorm Warning | MPX | 54 min |
| Jun 18, 9:43 PM CDT | Severe Thunderstorm Warning | MPX | 47 min |
| Jun 18, 10:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 19, 1:00 AM CDT | Severe Thunderstorm Warning | MPX | 45 min |
| Jun 19, 4:50 PM CDT | Special Weather Statement | MPX | 55 min |
| Jul 9, 3:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 14, 2:19 PM CDT | Special Weather Statement | MPX | 41 min |
| Jul 14, 2:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 14, 4:36 PM CDT | Severe Thunderstorm Warning | MPX | 39 min |
| Jul 14, 4:44 PM CDT | Tornado Warning | MPX | 46 min |
| Jul 14, 4:48 PM CDT | Tornado Warning | MPX | 42 min |
| Jul 14, 5:00 PM CDT | Tornado Warning | MPX | 45 min |
| Jul 14, 5:32 PM CDT | Tornado Warning | MPX | 28 min |
| Jul 14, 6:11 PM CDT | Severe Thunderstorm Warning | MPX | 52 min |
| Jul 14, 6:18 PM CDT | Tornado Warning | MPX | 42 min |
| Jul 14, 6:41 PM CDT | Areal Flood Warning | MPX | 4 hr |
| Jul 21, 12:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 31, 7:07 PM CDT | Special Weather Statement | MPX | 68 min |
| Aug 3, 6:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 4:11 AM CDT | Severe Thunderstorm Warning | MPX | 38 min |
| Aug 8, 5:02 AM CDT | Areal Flood Advisory | MPX | 3 hr |
| Aug 8, 12:47 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 8, 3:27 PM CDT | Mesoscale Discussion | SPC | 33 min |
| Aug 8, 5:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 16, 1:26 AM CDT | Areal Flood Advisory | MPX | 6 hr |
| Aug 16, 2:57 AM CDT | Flash Flood Warning | MPX | 4 hr |
| Sep 10, 12:55 AM CDT | Dense Fog Advisory | MPX | 7 hr |
| Sep 13, 3:37 AM CDT | Dense Fog Advisory | MPX | 5 hr |
| Sep 28, 8:14 AM CDT | Wind Advisory | MPX | 11 hr |
| Sep 29, 4:30 AM CDT | Frost Advisory | MPX | 28 hr |
| Oct 8, 3:20 AM CDT | Freeze Warning | MPX | 30 hr |
| Oct 10, 3:18 PM CDT | Winter Storm Watch | MPX | 24 hr |
| Nov 20, 1:41 AM CST | Dense Fog Advisory | MPX | 6 hr |
| Dec 7, 4:22 PM CST | Winter Weather Advisory | MPX | 47 hr |
| Dec 9, 10:13 AM CST | Wind Chill Advisory | MPX | 24 hr |
| Dec 13, 3:19 AM CST | Winter Weather Advisory | MPX | 30 hr |
| Dec 14, 3:04 PM CST | Wind Chill Advisory | MPX | 20 hr |
| Dec 21, 3:51 PM CST | Winter Storm Watch | MPX | 21 hr |
| Dec 22, 12:23 PM CST | Winter Storm Warning | MPX | 4 days |
| Dec 25, 3:07 PM CST | Winter Weather Advisory | MPX | 13 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 archive20082010
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.