Alert archive / Iowa / Clinton County
Weather alerts in Clinton County, Iowa, 2022
135 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clinton County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 135
- Warnings
- 41
- Watches
- 14
- Advisories
- 36
- Busiest month
- July23 alerts
- Busiest day
- July 23, 20227 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 4 tornado warnings covering Clinton County in 2022 had a tornado report inside them.
Clinton County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 0 | ||
| Severe thunderstorm warnings | 22 | 18 | 18% | 11 | 82% | 10 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 Quad Cities, IA: tornado warnings | 30 | 11 | 63% | 19 | 74% | 16 min |
| NWS Quad Cities, IA: severe thunderstorm warnings | 175 | 91 | 48% | 235 | 78% | 19 min |
| NWS Quad Cities, IA: flash flood warnings | 26 | 13 | 50% | 26 | 77% | 99 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, 2:27 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 4, 3:08 AM CST | Winter Weather Advisory | DVN | 39 hr |
| Jan 5, 3:08 AM CST | Wind Chill Advisory | DVN | 36 hr |
| Jan 6, 2:02 AM CST | Wind Chill Advisory | DVN | 31 hr |
| Jan 7, 2:05 PM CST | Winter Weather Advisory | DVN | 34 hr |
| Jan 13, 2:47 PM CST | Winter Weather Advisory | DVN | 44 hr |
| Jan 16, 8:26 AM CST | Dense Fog Advisory | DVN | 97 min |
| Jan 19, 2:13 AM CST | Wind Chill Advisory | DVN | 34 hr |
| Jan 22, 3:05 AM CST | Winter Weather Advisory | DVN | 27 hr |
| Jan 24, 3:07 AM CST | Wind Chill Advisory | DVN | 57 hr |
| Feb 16, 3:30 AM CST | Winter Weather Advisory | DVN | 39 hr |
| Feb 18, 7:23 PM CST | Special Weather Statement | DVN | 67 min |
| Feb 18, 7:32 PM CST | Snow Squall Warning | DVN | 58 min |
| Feb 18, 8:07 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 18, 8:11 PM CST | Snow Squall Warning | DVN | 64 min |
| Feb 18, 8:27 PM CST | Snow Squall Warning | DVN | 63 min |
| Feb 21, 2:48 AM CST | Winter Weather Advisory | DVN | 39 hr |
| Feb 22, 7:22 AM CST | Special Weather Statement | DVN | 38 min |
| Feb 23, 2:55 PM CST | Winter Weather Advisory | DVN | 36 hr |
| Mar 5, 3:27 AM CST | Wind Advisory | DVN | 27 hr |
| Mar 5, 6:10 PM CST | Tornado Watch | SPC | 4 hr |
| Mar 5, 7:51 PM CST | Mesoscale Discussion | SPC | 114 min |
| Mar 5, 8:26 PM CST | Severe Thunderstorm Warning | DVN | 49 min |
| Mar 5, 8:35 PM CST | Tornado Warning | DVN | 25 min |
| Mar 5, 8:52 PM CST | Tornado Warning | DVN | 38 min |
| Mar 6, 3:05 PM CST | Winter Weather Advisory | DVN | 21 hr |
| Mar 25, 3:10 AM CDT | Wind Advisory | DVN | 19 hr |
| Apr 10, 1:50 PM CDT | Wind Advisory | DVN | 4 hr |
| Apr 13, 2:26 PM CDT | Wind Advisory | DVN | 29 hr |
| Apr 14, 10:35 AM CDT | High Wind Warning | DVN | 8 hr |
| Apr 21, 9:10 PM CDT | River Flood Watch | DVN | 3 days |
| Apr 22, 3:07 AM CDT | Flood Watch | DVN | 12 hr |
| Apr 22, 4:03 PM CDT | Special Weather Statement | DVN | 27 min |
| Apr 22, 4:07 PM CDT | Severe Thunderstorm Warning | DVN | 23 min |
| Apr 22, 4:29 PM CDT | Severe Thunderstorm Warning | DVN | 31 min |
| Apr 25, 3:02 AM CDT | Freeze Warning | DVN | 29 hr |
| Apr 26, 2:39 PM CDT | Freeze Warning | DVN | 17 hr |
| Apr 29, 7:41 PM CDT | River Flood Watch | DVN | 14 hr |
| Apr 30, 12:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 30, 2:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 2, 7:56 PM CDT | River Flood Watch | DVN | 14 hr |
| May 3, 10:04 AM CDT | River Flood Warning | DVN | 4 days |
| May 11, 10:08 AM CDT | Heat Advisory | DVN | 11 hr |
| May 12, 2:48 AM CDT | Heat Advisory | DVN | 17 hr |
| May 25, 6:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 26, 2:41 PM CDT | Severe Thunderstorm Warning | DVN | 21 min |
| May 31, 6:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 6, 3:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 11:52 PM CDT | Severe Thunderstorm Warning | DVN | 23 min |
| Jun 12, 2:40 PM CDT | Heat Advisory | DVN | 3 days |
| Jun 14, 2:58 AM CDT | Excessive Heat Warning | DVN | 41 hr |
| Jun 15, 6:21 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 7:07 PM CDT | Severe Thunderstorm Warning | DVN | 38 min |
| Jun 15, 7:38 PM CDT | Severe Thunderstorm Warning | DVN | 13 min |
| Jun 15, 9:59 PM CDT | Special Weather Statement | DVN | 46 min |
| Jun 15, 10:18 PM CDT | Severe Thunderstorm Warning | DVN | 27 min |
| Jun 20, 2:16 PM CDT | Heat Advisory | DVN | 29 hr |
| Jun 21, 5:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 21, 7:17 PM CDT | Special Weather Statement | DVN | 43 min |
| Jun 21, 7:41 PM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| Jun 21, 8:16 PM CDT | Special Weather Statement | DVN | 44 min |
| Jun 21, 8:18 PM CDT | Severe Thunderstorm Warning | DVN | 42 min |
| Jun 21, 8:43 PM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| Jun 25, 5:44 AM CDT | Special Weather Statement | DVN | 76 min |
| Jun 25, 6:45 AM CDT | Severe Thunderstorm Warning | DVN | 45 min |
| Jun 25, 9:56 AM CDT | River Flood Warning | DVN | 8 days |
| Jul 4, 3:30 AM CDT | Heat Advisory | DVN | 34 hr |
| Jul 4, 10:19 AM CDT | Special Weather Statement | DVN | 41 min |
| Jul 5, 1:09 PM CDT | Excessive Heat Warning | DVN | 7 hr |
| Jul 5, 4:34 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 5, 8:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 5, 10:07 PM CDT | Severe Thunderstorm Warning | DVN | 53 min |
| Jul 5, 10:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 5, 10:54 PM CDT | Severe Thunderstorm Warning | DVN | 44 min |
| Jul 7, 5:38 PM CDT | Special Weather Statement | DVN | 112 min |
| Jul 11, 5:25 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 11, 5:40 AM CDT | Severe Thunderstorm Watch | SPC | 2 hr |
| Jul 11, 6:40 AM CDT | Severe Thunderstorm Warning | DVN | 50 min |
| Jul 11, 7:29 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 22, 3:26 AM CDT | Heat Advisory | DVN | 41 hr |
| Jul 22, 10:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 23, 2:05 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 3:09 AM CDT | Special Weather Statement | DVN | 36 min |
| Jul 23, 3:41 AM CDT | Severe Thunderstorm Warning | DVN | 52 min |
| Jul 23, 3:48 AM CDT | Special Weather Statement | DVN | 42 min |
| Jul 23, 4:19 AM CDT | Severe Thunderstorm Warning | DVN | 26 min |
| Jul 23, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 23, 11:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 2:46 AM CDT | Heat Advisory | DVN | 42 hr |
| Aug 6, 12:22 PM CDT | Excessive Heat Warning | DVN | 9 hr |
| Aug 7, 2:20 AM CDT | Flood Watch | DVN | 29 hr |
| Aug 7, 8:32 AM CDT | Special Weather Statement | DVN | 43 min |
| Aug 7, 9:21 AM CDT | River Flood Watch | DVN | 34 hr |
| Aug 19, 8:37 PM CDT | Special Weather Statement | DVN | 53 min |
| Aug 20, 12:24 PM CDT | Tornado Warning | DVN | 21 min |
| Aug 20, 3:07 PM CDT | Tornado Warning | DVN | 23 min |
| Aug 20, 4:33 PM CDT | Special Weather Statement | DVN | 117 min |
| Aug 21, 1:27 AM CDT | Dense Fog Advisory | DVN | 7 hr |
| Aug 28, 11:57 AM CDT | Special Weather Statement | DVN | 63 min |
| Aug 28, 12:44 PM CDT | Special Weather Statement | DVN | 61 min |
| Aug 28, 1:09 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 29, 9:26 AM CDT | Special Weather Statement | DVN | 34 min |
| Aug 29, 9:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 9:51 AM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Sep 3, 3:19 PM CDT | Special Weather Statement | DVN | 26 min |
| Sep 27, 1:53 PM CDT | Frost Advisory | DVN | 18 hr |
| Sep 28, 3:00 PM CDT | Frost Advisory | DVN | 16 hr |
| Oct 6, 2:32 PM CDT | Freeze Watch | DVN | 12 hr |
| Oct 7, 2:19 AM CDT | Freeze Warning | DVN | 31 hr |
| Oct 22, 10:31 AM CDT | Red Flag Warning | DVN | 8 hr |
| Oct 24, 8:56 PM CDT | Special Weather Statement | DVN | 49 min |
| Nov 4, 2:51 AM CDT | Wind Advisory | DVN | 40 hr |
| Nov 4, 9:00 AM CDT | Special Weather Statement | DVN | 45 min |
| Nov 4, 10:35 AM CDT | Severe Thunderstorm Warning | DVN | 40 min |
| Nov 4, 12:43 PM CDT | Severe Thunderstorm Warning | DVN | 32 min |
| Nov 4, 2:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Nov 4, 3:42 PM CDT | Special Weather Statement | DVN | 78 min |
| Nov 5, 8:01 AM CDT | Severe Thunderstorm Warning | DVN | 29 min |
| Nov 5, 9:27 AM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| Nov 10, 11:47 AM CST | Mesoscale Discussion | SPC | 88 min |
| Nov 14, 2:24 PM CST | Winter Weather Advisory | DVN | 30 hr |
| Dec 2, 2:52 AM CST | Wind Advisory | DVN | 26 hr |
| Dec 7, 3:36 AM CST | Dense Fog Advisory | DVN | 8 hr |
| Dec 9, 9:31 PM CST | Dense Fog Advisory | DVN | 14 hr |
| Dec 12, 2:25 PM CST | Wind Advisory | DVN | 31 hr |
| Dec 19, 2:42 PM CST | Winter Storm Watch | DVN | 37 hr |
| Dec 20, 2:34 PM CST | Winter Storm Warning | DVN | 4 days |
| Dec 21, 11:41 AM CST | Blizzard Warning | DVN | 66 hr |
| Dec 22, 6:16 AM CST | Special Weather Statement | DVN | 89 min |
| Dec 22, 7:41 AM CST | Special Weather Statement | DVN | 49 min |
| Dec 22, 8:29 AM CST | Special Weather Statement | DVN | 46 min |
| Dec 24, 3:10 AM CST | Winter Weather Advisory | DVN | 9 hr |
| Dec 24, 2:01 PM CST | Wind Chill Advisory | DVN | 20 hr |
| Dec 25, 12:16 PM CST | Winter Weather Advisory | DVN | 24 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 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.