Alert archive / Iowa / Fayette County
Weather alerts in Fayette County, Iowa, 2019
128 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Fayette County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 128
- Warnings
- 21
- Watches
- 25
- Advisories
- 36
- Busiest month
- June21 alerts
- Busiest day
- June 27, 20196 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 2 tornado warnings covering Fayette County in 2019 had a tornado report inside them.
Fayette County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 2 | 0% | 0 | ||
| Severe thunderstorm warnings | 6 | 4 | 33% | 5 | 100% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS La Crosse, WI: tornado warnings | 24 | 5 | 79% | 27 | 48% | 15 min |
| NWS La Crosse, WI: severe thunderstorm warnings | 122 | 72 | 41% | 209 | 83% | 23 min |
| NWS La Crosse, WI: flash flood warnings | 30 | 17 | 43% | 54 | 81% | 117 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, 2:33 PM CST | Wind Advisory | ARX | 30 hr |
| Jan 14, 11:45 AM CST | Winter Weather Advisory | ARX | 21 hr |
| Jan 15, 11:45 AM CST | Winter Weather Advisory | ARX | 9 hr |
| Jan 17, 10:54 AM CST | Winter Storm Watch | ARX | 3 hr |
| Jan 17, 2:23 PM CST | Winter Storm Warning | ARX | 40 hr |
| Jan 18, 11:07 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 18, 6:58 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 21, 3:23 AM CST | Winter Storm Watch | ARX | 12 hr |
| Jan 21, 3:01 PM CST | Winter Storm Warning | ARX | 45 hr |
| Jan 21, 3:01 PM CST | Winter Weather Advisory | ARX | 45 hr |
| Jan 23, 2:54 PM CST | Winter Weather Advisory | ARX | 27 hr |
| Jan 24, 3:18 AM CST | Wind Chill Advisory | ARX | 33 hr |
| Jan 26, 3:36 AM CST | Winter Storm Watch | ARX | 12 hr |
| Jan 26, 3:10 PM CST | Winter Storm Warning | ARX | 48 hr |
| Jan 27, 3:42 AM CST | Wind Chill Watch | ARX | 25 hr |
| Jan 28, 4:27 AM CST | Wind Chill Warning | ARX | 3 days |
| Jan 28, 4:27 AM CST | Wind Chill Advisory | ARX | 32 hr |
| Feb 2, 9:28 AM CST | Dense Fog Advisory | ARX | 43 hr |
| Feb 5, 2:45 AM CST | Winter Weather Advisory | ARX | 21 hr |
| Feb 6, 3:12 AM CST | Winter Weather Advisory | ARX | 45 hr |
| Feb 7, 2:09 PM CST | Wind Chill Advisory | ARX | 22 hr |
| Feb 8, 11:58 AM CST | Wind Chill Advisory | ARX | 21 hr |
| Feb 10, 3:00 PM CST | Winter Storm Watch | ARX | 13 hr |
| Feb 11, 3:30 AM CST | Winter Storm Warning | ARX | 45 hr |
| Feb 14, 5:18 PM CST | Winter Weather Advisory | ARX | 4 hr |
| Feb 15, 2:13 AM CST | Wind Chill Advisory | ARX | 7 hr |
| Feb 15, 3:16 PM CST | Winter Weather Advisory | ARX | 57 hr |
| Feb 19, 3:35 AM CST | Winter Storm Warning | ARX | 40 hr |
| Feb 22, 4:06 AM CST | Winter Weather Advisory | ARX | 32 hr |
| Feb 23, 2:56 AM CST | Blizzard Warning | ARX | 42 hr |
| Feb 23, 2:56 AM CST | Winter Weather Advisory | ARX | 42 hr |
| Feb 24, 9:15 PM CST | Wind Chill Advisory | ARX | 12 hr |
| Feb 25, 2:47 PM CST | Winter Weather Advisory | ARX | 39 hr |
| Mar 2, 3:10 AM CST | Wind Chill Advisory | ARX | 57 hr |
| Mar 11, 2:58 PM CDT | Flood Watch | ARX | 4 days |
| Mar 13, 7:48 AM CDT | Dense Fog Advisory | ARX | 8 hr |
| Mar 13, 8:54 PM CDT | Areal Flood Warning | ARX | 34 hr |
| Mar 14, 12:24 AM CDT | Dense Fog Advisory | ARX | 13 hr |
| Mar 15, 6:56 AM CDT | Areal Flood Warning | ARX | 12 hr |
| Apr 5, 4:54 AM CDT | Dense Fog Advisory | ARX | 5 hr |
| Apr 10, 3:10 PM CDT | Wind Advisory | ARX | 28 hr |
| Apr 10, 10:53 PM CDT | Special Weather Statement | ARX | 22 min |
| Apr 17, 5:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 22, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 4:02 AM CDT | Winter Storm Watch | ARX | 11 hr |
| Apr 26, 3:05 PM CDT | Winter Storm Warning | ARX | 24 hr |
| Apr 27, 2:48 PM CDT | Winter Weather Advisory | ARX | 4 hr |
| Apr 27, 7:05 PM CDT | Freeze Warning | ARX | 14 hr |
| Apr 28, 10:40 PM CDT | Special Weather Statement | ARX | 50 min |
| May 17, 8:05 PM CDT | Special Weather Statement | ARX | 115 min |
| May 21, 10:11 AM CDT | Wind Advisory | ARX | 15 hr |
| May 24, 3:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 24, 7:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 7:49 PM CDT | Tornado Watch | SPC | 3 hr |
| May 24, 9:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 29, 11:26 PM CDT | Severe Thunderstorm Warning | ARX | 34 min |
| Jun 4, 2:27 PM CDT | Special Weather Statement | ARX | 78 min |
| Jun 4, 4:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 4:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 4, 7:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 1:11 AM CDT | Special Weather Statement | ARX | 64 min |
| Jun 15, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 15, 3:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 27, 11:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 27, 12:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 1:17 PM CDT | Special Weather Statement | ARX | 118 min |
| Jun 27, 1:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 27, 4:43 PM CDT | Special Weather Statement | ARX | 62 min |
| Jun 27, 5:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 28, 3:21 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 5:47 AM CDT | Severe Thunderstorm Warning | ARX | 58 min |
| Jun 30, 4:20 AM CDT | Heat Advisory | ARX | 13 hr |
| Jun 30, 3:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 30, 3:20 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 30, 4:09 PM CDT | Severe Thunderstorm Warning | ARX | 51 min |
| Jun 30, 4:31 PM CDT | Severe Thunderstorm Warning | ARX | 44 min |
| Jun 30, 5:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 1, 12:59 AM CDT | Flash Flood Watch | ARX | 8 hr |
| Jul 2, 7:22 PM CDT | Special Weather Statement | ARX | 38 min |
| Jul 9, 3:33 PM CDT | Special Weather Statement | ARX | 57 min |
| Jul 13, 9:07 AM CDT | Special Weather Statement | ARX | 53 min |
| Jul 15, 3:20 PM CDT | Excessive Heat Watch | ARX | 45 hr |
| Jul 16, 4:01 PM CDT | Special Weather Statement | ARX | 44 min |
| Jul 16, 4:34 PM CDT | Special Weather Statement | ARX | 41 min |
| Jul 17, 3:23 AM CDT | Flash Flood Watch | ARX | 28 hr |
| Jul 17, 9:09 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 17, 12:34 PM CDT | Excessive Heat Warning | ARX | 3 days |
| Jul 17, 10:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 9:05 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 20, 12:12 PM CDT | Severe Thunderstorm Warning | ARX | 63 min |
| Jul 28, 8:50 PM CDT | Special Weather Statement | ARX | 55 min |
| Aug 5, 6:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 3:25 AM CDT | Dense Fog Advisory | ARX | 6 hr |
| Aug 13, 7:34 PM CDT | Special Weather Statement | ARX | 56 min |
| Aug 18, 12:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 18, 2:29 AM CDT | Special Weather Statement | ARX | 61 min |
| Sep 2, 6:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Sep 9, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 9, 3:32 PM CDT | Tornado Watch | SPC | 6 hr |
| Sep 9, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Sep 9, 6:13 PM CDT | Special Weather Statement | ARX | 32 min |
| Sep 9, 6:45 PM CDT | Severe Thunderstorm Warning | ARX | 60 min |
| Sep 9, 7:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 12, 2:12 AM CDT | Flash Flood Watch | ARX | 22 hr |
| Sep 12, 1:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 12, 2:19 PM CDT | Tornado Watch | SPC | 6 hr |
| Sep 12, 3:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 12, 4:39 PM CDT | Tornado Warning | ARX | 36 min |
| Sep 12, 4:45 PM CDT | Tornado Warning | ARX | 30 min |
| Sep 14, 3:14 AM CDT | Flash Flood Watch | ARX | 26 hr |
| Sep 15, 8:25 PM CDT | Dense Fog Advisory | ARX | 14 hr |
| Sep 18, 7:38 PM CDT | Flash Flood Watch | ARX | 16 hr |
| Sep 21, 5:24 AM CDT | Flash Flood Watch | ARX | 38 hr |
| Sep 22, 3:16 AM CDT | Special Weather Statement | ARX | 59 min |
| Sep 27, 4:21 PM CDT | Special Weather Statement | ARX | 54 min |
| Sep 30, 2:49 PM CDT | Flash Flood Watch | ARX | 38 hr |
| Oct 1, 5:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Oct 1, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 10, 2:20 PM CDT | Freeze Watch | ARX | 13 hr |
| Oct 11, 3:22 AM CDT | Freeze Warning | ARX | 30 hr |
| Oct 12, 9:07 AM CDT | Wind Advisory | ARX | 9 hr |
| Oct 19, 11:57 PM CDT | Dense Fog Advisory | ARX | 11 hr |
| Oct 21, 11:01 AM CDT | Wind Advisory | ARX | 31 hr |
| Oct 28, 2:51 PM CDT | Winter Weather Advisory | ARX | 12 hr |
| Nov 26, 9:42 AM CST | Wind Advisory | ARX | 32 hr |
| Dec 8, 2:24 PM CST | Winter Weather Advisory | ARX | 28 hr |
| Dec 9, 11:18 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 29, 3:54 AM CST | Winter Weather Advisory | ARX | 44 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 archive20182020
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.