Alert archive / Iowa / Allamakee County
Weather alerts in Allamakee County, Iowa, 2024
121 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Allamakee County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 121
- Warnings
- 29
- Watches
- 16
- Advisories
- 37
- Busiest month
- June27 alerts
- Busiest day
- May 21, 20249 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 3 tornado warnings covering Allamakee County in 2024 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 16 minutes after it went out.
Allamakee County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 1 | 100% | 16 min |
| Severe thunderstorm warnings | 11 | 7 | 36% | 7 | 86% | 15 min |
| Flash flood warnings | 3 | 2 | 33% | 3 | 67% | 46 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 21 | 7 | 67% | 20 | 60% | 17 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 136 | 75 | 45% | 265 | 71% | 20 min |
| NWS La Crosse, WI: flash flood warnings | 21 | 12 | 43% | 40 | 53% | 82 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 7, 3:05 AM CST | Winter Storm Watch | ARX | 23 hr |
| Jan 8, 2:34 AM CST | Winter Storm Warning | ARX | 45 hr |
| Jan 10, 2:28 PM CST | Winter Storm Watch | ARX | 24 hr |
| Jan 11, 2:25 AM CST | Winter Storm Warning | ARX | 46 hr |
| Jan 12, 2:29 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 12, 2:49 PM CST | Winter Weather Advisory | ARX | 36 hr |
| Jan 13, 3:05 AM CST | Wind Chill Advisory | ARX | 4 days |
| Jan 18, 2:59 AM CST | Wind Chill Advisory | ARX | 31 hr |
| Jan 19, 2:10 AM CST | Wind Chill Advisory | ARX | 31 hr |
| Jan 20, 3:11 AM CST | Wind Chill Advisory | ARX | 30 hr |
| Jan 23, 2:33 PM CST | Dense Fog Advisory | ARX | 18 hr |
| Jan 24, 9:49 PM CST | Dense Fog Advisory | ARX | 14 hr |
| Jan 25, 2:22 PM CST | Dense Fog Advisory | ARX | 20 hr |
| Jan 26, 1:44 PM CST | Dense Fog Advisory | ARX | 21 hr |
| Jan 27, 1:33 PM CST | Dense Fog Advisory | ARX | 41 hr |
| Jan 31, 2:01 PM CST | Dense Fog Advisory | ARX | 21 hr |
| Feb 8, 1:35 AM CST | Wind Advisory | ARX | 16 hr |
| Feb 25, 1:34 PM CST | Red Flag Warning | ARX | 28 hr |
| Mar 3, 8:15 AM CST | Wind Advisory | ARX | 10 hr |
| Mar 3, 8:39 AM CST | Red Flag Warning | ARX | 9 hr |
| Mar 21, 3:21 AM CDT | Winter Weather Advisory | ARX | 32 hr |
| Mar 23, 1:34 PM CDT | Winter Weather Advisory | ARX | 35 hr |
| Apr 2, 3:55 AM CDT | Winter Weather Advisory | ARX | 32 hr |
| Apr 2, 2:36 PM CDT | Wind Advisory | ARX | 30 hr |
| Apr 16, 3:53 PM CDT | Special Weather Statement | ARX | 22 min |
| Apr 16, 5:22 PM CDT | Areal Flood Advisory | ARX | 3 hr |
| Apr 18, 1:57 PM CDT | Frost Advisory | ARX | 18 hr |
| Apr 19, 1:47 PM CDT | Freeze Warning | ARX | 18 hr |
| Apr 20, 1:37 PM CDT | Freeze Warning | ARX | 18 hr |
| Apr 27, 7:54 PM CDT | Special Weather Statement | ARX | 36 min |
| May 7, 5:03 PM CDT | Severe Thunderstorm Warning | ARX | 42 min |
| May 7, 5:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 9, 4:44 PM CDT | Special Weather Statement | ARX | 16 min |
| May 10, 6:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 12, 2:42 PM CDT | Special Weather Statement | ARX | 33 min |
| May 12, 3:15 PM CDT | Special Weather Statement | ARX | 45 min |
| May 21, 1:31 AM CDT | Flood Watch | ARX | 19 hr |
| May 21, 12:30 PM CDT | Special Weather Statement | ARX | 45 min |
| May 21, 12:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 21, 1:14 PM CDT | Tornado Watch | SPC | 8 hr |
| May 21, 5:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 21, 6:28 PM CDT | Severe Thunderstorm Warning | ARX | 62 min |
| May 21, 6:41 PM CDT | Severe Thunderstorm Warning | ARX | 52 min |
| May 21, 6:49 PM CDT | Flash Flood Warning | ARX | 3 hr |
| May 21, 6:49 PM CDT | Tornado Warning | ARX | 15 min |
| May 24, 7:13 AM CDT | Special Weather Statement | ARX | 32 min |
| May 28, 1:02 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 1, 9:32 PM CDT | Dense Fog Advisory | ARX | 11 hr |
| Jun 3, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 4:10 PM CDT | Special Weather Statement | ARX | 35 min |
| Jun 3, 4:47 PM CDT | Special Weather Statement | ARX | 28 min |
| Jun 3, 4:52 PM CDT | Flash Flood Warning | ARX | 3 hr |
| Jun 12, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 12, 2:56 PM CDT | Severe Thunderstorm Warning | ARX | 49 min |
| Jun 12, 3:11 PM CDT | Special Weather Statement | ARX | 64 min |
| Jun 12, 3:32 PM CDT | Severe Thunderstorm Warning | ARX | 58 min |
| Jun 17, 3:09 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 5:08 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 20, 3:07 PM CDT | Flood Watch | ARX | 52 hr |
| Jun 21, 12:07 PM CDT | River Flood Watch | ARX | 21 days |
| Jun 21, 1:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 4:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 21, 11:30 PM CDT | River Flood Warning | ARX | 3 days |
| Jun 22, 11:34 AM CDT | River Flood Warning | ARX | 26 days |
| Jun 22, 12:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 3:13 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 22, 4:38 PM CDT | Severe Thunderstorm Warning | ARX | 67 min |
| Jun 22, 5:19 PM CDT | Areal Flood Advisory | ARX | 71 min |
| Jun 22, 5:19 PM CDT | Severe Thunderstorm Warning | ARX | 56 min |
| Jun 22, 5:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 22, 6:22 PM CDT | Flash Flood Warning | ARX | 3 hr |
| Jun 24, 5:37 PM CDT | Mesoscale Discussion | SPC | 98 min |
| Jun 28, 11:09 AM CDT | River Flood Watch | ARX | 11 hr |
| Jun 28, 10:04 PM CDT | River Flood Warning | ARX | 21 days |
| Jul 4, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 5:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 13, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 13, 7:44 PM CDT | Severe Thunderstorm Warning | ARX | 61 min |
| Jul 13, 8:15 PM CDT | Severe Thunderstorm Warning | ARX | 60 min |
| Jul 14, 2:50 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 14, 3:41 AM CDT | Special Weather Statement | ARX | 49 min |
| Jul 14, 4:05 AM CDT | Special Weather Statement | ARX | 40 min |
| Jul 15, 3:18 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 23, 12:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 31, 8:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 8:17 AM CDT | Special Weather Statement | ARX | 43 min |
| Aug 5, 2:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 5, 5:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 5, 5:24 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 5, 9:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 5, 10:13 PM CDT | Tornado Warning | ARX | 47 min |
| Aug 5, 10:43 PM CDT | Tornado Warning | ARX | 27 min |
| Aug 24, 1:58 PM CDT | Heat Advisory | ARX | 30 hr |
| Aug 25, 2:47 AM CDT | Excessive Heat Warning | ARX | 41 hr |
| Aug 26, 1:57 PM CDT | Heat Advisory | ARX | 29 hr |
| Aug 29, 7:46 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Aug 29, 8:18 PM CDT | Severe Thunderstorm Warning | ARX | 27 min |
| Aug 29, 11:14 PM CDT | Areal Flood Advisory | ARX | 3 hr |
| Sep 20, 3:24 AM CDT | Dense Fog Advisory | ARX | 3 hr |
| Sep 21, 10:34 AM CDT | Special Weather Statement | ARX | 41 min |
| Sep 21, 11:15 AM CDT | Special Weather Statement | ARX | 45 min |
| Sep 21, 4:47 PM CDT | Severe Thunderstorm Warning | ARX | 58 min |
| Oct 14, 3:22 AM CDT | Frost Advisory | ARX | 30 hr |
| Oct 14, 3:22 AM CDT | Freeze Watch | ARX | 11 hr |
| Oct 14, 2:20 PM CDT | Freeze Warning | ARX | 43 hr |
| Oct 16, 2:45 PM CDT | Fire Weather Watch | ARX | 11 hr |
| Oct 16, 2:45 PM CDT | Red Flag Warning | ARX | 28 hr |
| Oct 24, 5:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 24, 9:02 PM CDT | Special Weather Statement | ARX | 88 min |
| Oct 29, 2:21 AM CDT | Wind Advisory | ARX | 19 hr |
| Nov 3, 8:30 PM CST | Dense Fog Advisory | ARX | 10 hr |
| Nov 15, 1:55 AM CST | Dense Fog Advisory | ARX | 7 hr |
| Dec 3, 2:03 PM CST | Wind Advisory | ARX | 32 hr |
| Dec 13, 3:47 AM CST | Winter Weather Advisory | ARX | 47 hr |
| Dec 14, 4:58 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 14, 8:16 PM CST | Dense Fog Advisory | ARX | 36 hr |
| Dec 18, 1:25 PM CST | Winter Weather Advisory | ARX | 38 hr |
| Dec 26, 2:10 AM CST | Dense Fog Advisory | ARX | 34 hr |
| Dec 26, 3:56 AM CST | Winter Weather Advisory | ARX | 8 hr |
| Dec 28, 6:09 PM CST | Dense Fog Advisory | ARX | 18 hr |
| Dec 29, 5:11 PM CST | Dense Fog Advisory | ARX | 31 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 archive20232025
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.