Alert archive / Minnesota / Anoka County
Weather alerts in Anoka County, Minnesota, 2022
101 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Anoka County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 101
- Warnings
- 31
- Watches
- 16
- Advisories
- 30
- Busiest month
- May32 alerts
- Busiest day
- May 9, 202212 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 2 tornado warnings covering Anoka County in 2022 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 4 minutes after it went out.
Anoka County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 2 | 100% | 4 min |
| Severe thunderstorm warnings | 15 | 12 | 20% | 19 | 68% | 16 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Twin Cities, MN: tornado warnings | 56 | 15 | 73% | 37 | 59% | 12 min |
| NWS Twin Cities, MN: severe thunderstorm warnings | 272 | 142 | 48% | 634 | 80% | 23 min |
| NWS Twin Cities, MN: flash flood warnings | 7 | 4 | 43% | 15 | 53% | 38 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, 3:46 AM CST | Wind Chill Advisory | MPX | 30 hr |
| Jan 1, 2:25 PM CST | Wind Chill Warning | MPX | 20 hr |
| Jan 4, 2:46 AM CST | Winter Weather Advisory | MPX | 39 hr |
| Jan 5, 4:07 AM CST | Wind Chill Advisory | MPX | 59 hr |
| Jan 8, 2:48 PM CST | Wind Chill Advisory | MPX | 22 hr |
| Jan 9, 1:36 PM CST | Wind Chill Advisory | MPX | 21 hr |
| Jan 19, 3:05 AM CST | Wind Chill Advisory | MPX | 33 hr |
| Jan 20, 3:01 AM CST | Wind Chill Advisory | MPX | 31 hr |
| Jan 24, 3:20 AM CST | Wind Chill Advisory | MPX | 56 hr |
| Feb 2, 3:11 AM CST | Wind Chill Advisory | MPX | 33 hr |
| Feb 17, 2:30 PM CST | Winter Weather Advisory | MPX | 30 hr |
| Feb 17, 2:31 PM CST | Wind Advisory | MPX | 30 hr |
| Feb 19, 2:19 PM CST | Winter Storm Watch | MPX | 25 hr |
| Feb 20, 2:57 PM CST | Winter Storm Warning | MPX | 57 hr |
| Mar 4, 3:52 AM CST | Winter Weather Advisory | MPX | 50 hr |
| Mar 5, 3:15 AM CST | Winter Weather Advisory | MPX | 12 hr |
| Mar 5, 3:22 PM CST | Winter Storm Warning | MPX | 15 hr |
| Mar 24, 4:00 PM CDT | Wind Advisory | MPX | 30 hr |
| Apr 12, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 12, 9:53 PM CDT | Severe Thunderstorm Warning | MPX | 37 min |
| Apr 13, 4:01 AM CDT | Wind Advisory | MPX | 39 hr |
| Apr 23, 9:07 AM CDT | Special Weather Statement | MPX | 38 min |
| Apr 23, 6:56 PM CDT | Special Weather Statement | MPX | 34 min |
| May 9, 7:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| May 9, 7:55 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 9, 8:33 AM CDT | Special Weather Statement | MPX | 42 min |
| May 9, 9:04 AM CDT | Severe Thunderstorm Warning | MPX | 26 min |
| May 9, 9:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| May 9, 9:26 AM CDT | Severe Thunderstorm Warning | MPX | 34 min |
| May 9, 9:57 AM CDT | Severe Thunderstorm Warning | MPX | 33 min |
| May 9, 1:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 9, 2:50 PM CDT | Tornado Watch | SPC | 7 hr |
| May 9, 4:40 PM CDT | Severe Thunderstorm Warning | MPX | 35 min |
| May 9, 5:03 PM CDT | Severe Thunderstorm Warning | MPX | 42 min |
| May 9, 5:20 PM CDT | Tornado Warning | MPX | 25 min |
| May 11, 5:27 PM CDT | Tornado Watch | SPC | 7 hr |
| May 11, 8:13 PM CDT | Severe Thunderstorm Warning | MPX | 62 min |
| May 11, 8:23 PM CDT | Tornado Warning | MPX | 25 min |
| May 11, 8:58 PM CDT | Special Weather Statement | MPX | 92 min |
| May 12, 10:54 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 12, 12:17 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 12, 5:35 PM CDT | Tornado Watch | SPC | 6 hr |
| May 12, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | 60 min |
| May 12, 8:25 PM CDT | Severe Thunderstorm Warning | MPX | 39 min |
| May 13, 2:50 PM CDT | River Flood Warning | MPX | 21 days |
| May 16, 9:01 PM CDT | River Flood Warning | MPX | 5 days |
| May 18, 4:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 19, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 19, 3:31 PM CDT | Special Weather Statement | MPX | 44 min |
| May 19, 3:41 PM CDT | Severe Thunderstorm Warning | MPX | 34 min |
| May 29, 5:41 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 30, 2:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 30, 2:37 PM CDT | Tornado Watch | SPC | 7 hr |
| May 30, 6:41 PM CDT | Severe Thunderstorm Warning | MPX | 34 min |
| May 30, 7:48 PM CDT | Severe Thunderstorm Warning | MPX | 32 min |
| Jun 13, 3:16 AM CDT | Excessive Heat Warning | MPX | 41 hr |
| Jun 17, 10:23 AM CDT | Excessive Heat Watch | MPX | 28 hr |
| Jun 18, 2:23 PM CDT | Excessive Heat Warning | MPX | 59 hr |
| Jun 20, 11:14 PM CDT | Severe Thunderstorm Warning | MPX | 26 min |
| Jun 28, 1:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 11, 1:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 15, 1:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 2:33 AM CDT | Heat Advisory | MPX | 27 hr |
| Jul 31, 4:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 1, 3:31 AM CDT | Heat Advisory | MPX | 41 hr |
| Aug 2, 3:13 AM CDT | Excessive Heat Warning | MPX | 18 hr |
| Aug 2, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Aug 2, 11:52 PM CDT | Severe Thunderstorm Warning | MPX | 38 min |
| Aug 17, 5:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 17, 6:32 PM CDT | Special Weather Statement | MPX | 28 min |
| Aug 20, 11:52 PM CDT | Dense Fog Advisory | MPX | 10 hr |
| Aug 27, 9:08 PM CDT | Severe Thunderstorm Warning | MPX | 52 min |
| Aug 28, 5:58 PM CDT | Tornado Watch | SPC | 6 hr |
| Aug 28, 6:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 9, 2:29 AM CDT | Special Weather Statement | MPX | 46 min |
| Sep 9, 3:36 AM CDT | Special Weather Statement | MPX | 54 min |
| Sep 18, 9:25 PM CDT | Dense Fog Advisory | MPX | 13 hr |
| Sep 20, 12:19 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 20, 4:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 27, 2:19 PM CDT | Frost Advisory | MPX | 18 hr |
| Nov 5, 2:52 PM CDT | Wind Advisory | MPX | 28 hr |
| Nov 5, 3:04 PM CDT | Red Flag Warning | MPX | 28 hr |
| Nov 14, 2:29 AM CST | Winter Weather Advisory | MPX | 16 hr |
| Nov 28, 2:35 PM CST | Winter Weather Advisory | MPX | 30 hr |
| Nov 28, 8:27 PM CST | Winter Storm Warning | MPX | 25 hr |
| Nov 29, 9:45 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 1, 1:50 PM CST | Wind Advisory | MPX | 36 hr |
| Dec 9, 10:08 PM CST | Winter Weather Advisory | MPX | 12 hr |
| Dec 12, 2:51 PM CST | Winter Weather Advisory | MPX | 45 hr |
| Dec 14, 9:00 AM CST | Winter Storm Watch | MPX | 5 hr |
| Dec 14, 9:00 AM CST | Winter Storm Warning | MPX | 36 hr |
| Dec 14, 1:47 PM CST | Winter Weather Advisory | MPX | 70 hr |
| Dec 19, 2:10 PM CST | Winter Storm Watch | MPX | 45 hr |
| Dec 20, 3:50 AM CST | Wind Chill Warning | MPX | 4 days |
| Dec 20, 2:58 PM CST | Winter Storm Warning | MPX | 45 hr |
| Dec 21, 10:33 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 21, 11:34 AM CST | Winter Storm Warning | MPX | 50 hr |
| Dec 22, 3:18 AM CST | Wind Chill Advisory | MPX | 3 days |
| Dec 22, 6:21 PM CST | Wind Chill Advisory | MPX | 64 hr |
| Dec 23, 1:28 PM CST | Winter Weather Advisory | MPX | 26 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 | 15 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 16 |
| Special Weather Statement | 8 |
| Flooding | |
| River Flood Warning | 2 |
| Winter | |
| Winter Storm Warning | 6 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 10 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Wind Chill Warning | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 10 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.