Alert archive / Iowa / Ringgold County
Weather alerts in Ringgold County, Iowa, 2018
117 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ringgold County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 117
- Warnings
- 30
- Watches
- 19
- Advisories
- 28
- Busiest month
- June28 alerts
- Busiest day
- May 3, 20187 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 8 tornado warnings covering Ringgold County in 2018 had a tornado report inside them; 1 of 2 tornado reports fell inside a warning, on average 21 minutes after it went out.
Ringgold County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 8 | 1 | 88% | 2 | 50% | 21 min |
| Severe thunderstorm warnings | 12 | 5 | 58% | 1 | 100% | 36 min |
| Flash flood warnings | 3 | 1 | 67% | 1 | 0% |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Des Moines, IA: tornado warnings | 72 | 23 | 68% | 69 | 55% | 15 min |
| NWS Des Moines, IA: severe thunderstorm warnings | 308 | 143 | 54% | 427 | 74% | 22 min |
| NWS Des Moines, IA: flash flood warnings | 39 | 20 | 49% | 70 | 74% | 86 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 3, 3:46 AM CST | Wind Chill Advisory | DMX | 30 hr |
| Jan 10, 2:08 PM CST | Winter Weather Advisory | DMX | 28 hr |
| Jan 14, 3:47 AM CST | Wind Chill Advisory | DMX | 56 hr |
| Jan 14, 3:10 PM CST | Wind Chill Warning | DMX | 43 hr |
| Jan 26, 10:53 AM CST | Wind Advisory | DMX | 5 hr |
| Feb 6, 2:09 PM CST | Winter Weather Advisory | DMX | 10 hr |
| Feb 9, 3:05 PM CST | Winter Weather Advisory | DMX | 16 hr |
| Feb 10, 2:10 PM CST | Winter Weather Advisory | DMX | 16 hr |
| Feb 18, 3:27 AM CST | Wind Advisory | DMX | 11 hr |
| Feb 18, 3:45 AM CST | Winter Storm Watch | DMX | 24 hr |
| Feb 18, 3:45 AM CST | Winter Weather Advisory | DMX | 56 hr |
| Feb 21, 3:42 PM CST | Winter Weather Advisory | DMX | 35 hr |
| Feb 23, 3:24 PM CST | Winter Weather Advisory | DMX | 30 hr |
| Feb 28, 7:35 AM CST | Dense Fog Advisory | DMX | 3 hr |
| Mar 31, 3:34 PM CDT | Winter Weather Advisory | DMX | 24 hr |
| Apr 3, 4:19 AM CDT | Wind Advisory | DMX | 21 hr |
| Apr 7, 3:05 PM CDT | Winter Weather Advisory | DMX | 40 hr |
| Apr 13, 2:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 2:19 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 13, 7:59 PM CDT | Severe Thunderstorm Warning | DMX | 36 min |
| Apr 27, 2:42 PM CDT | Red Flag Warning | DMX | 4 hr |
| May 1, 10:24 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 2, 5:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 2, 5:27 PM CDT | Tornado Watch | SPC | 8 hr |
| May 2, 6:15 PM CDT | Severe Thunderstorm Warning | DMX | 45 min |
| May 2, 6:28 PM CDT | Tornado Warning | DMX | 17 min |
| May 2, 7:47 PM CDT | Flash Flood Warning | DMX | 6 hr |
| May 2, 8:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 2, 8:05 PM CDT | Severe Thunderstorm Warning | DMX | 40 min |
| May 2, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | 47 min |
| May 3, 2:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 3, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 3, 5:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 3, 7:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 12, 6:52 AM CDT | Special Weather Statement | DMX | 53 min |
| May 28, 2:31 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 3:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 2, 2:24 AM CDT | Special Weather Statement | DMX | 66 min |
| Jun 2, 3:38 AM CDT | Special Weather Statement | DMX | 52 min |
| Jun 6, 2:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 6, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 6, 6:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 6, 8:40 PM CDT | Special Weather Statement | DMX | 35 min |
| Jun 6, 8:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 11, 12:21 AM CDT | Severe Thunderstorm Warning | DMX | 39 min |
| Jun 11, 12:43 AM CDT | Severe Thunderstorm Warning | DMX | 62 min |
| Jun 11, 3:42 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 11, 8:51 PM CDT | Severe Thunderstorm Warning | DMX | 54 min |
| Jun 11, 9:14 PM CDT | Special Weather Statement | DMX | 61 min |
| Jun 14, 3:00 PM CDT | Heat Advisory | DMX | 4 days |
| Jun 24, 3:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 25, 4:56 PM CDT | Tornado Warning | DMX | 34 min |
| Jun 25, 5:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 5:19 PM CDT | Tornado Warning | DMX | 26 min |
| Jun 25, 5:21 PM CDT | Tornado Warning | DMX | 24 min |
| Jun 25, 5:26 PM CDT | Tornado Warning | DMX | 34 min |
| Jun 25, 5:40 PM CDT | Tornado Watch | SPC | 3 hr |
| Jun 25, 5:58 PM CDT | Tornado Warning | DMX | 32 min |
| Jun 27, 3:29 PM CDT | Heat Advisory | DMX | 54 hr |
| Jun 28, 8:12 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 28, 10:57 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 11:26 AM CDT | Severe Thunderstorm Warning | DMX | 64 min |
| Jun 28, 12:04 PM CDT | Severe Thunderstorm Warning | DMX | 56 min |
| Jun 30, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 4:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 30, 8:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 3, 2:39 PM CDT | Heat Advisory | DMX | 29 hr |
| Jul 10, 3:30 PM CDT | Heat Advisory | DMX | 53 hr |
| Jul 15, 6:08 AM CDT | Dense Fog Advisory | DMX | 3 hr |
| Aug 6, 6:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 28, 4:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 31, 1:10 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 31, 8:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 1, 4:38 AM CDT | Flash Flood Watch | DMX | 24 hr |
| Sep 1, 5:22 AM CDT | Flash Flood Warning | DMX | 4 hr |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Sep 1, 8:20 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 1, 10:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Sep 2, 9:45 AM CDT | Flash Flood Watch | DMX | 36 hr |
| Sep 2, 2:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 3, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Sep 5, 7:12 AM CDT | Flash Flood Watch | DMX | 20 hr |
| Sep 5, 12:08 PM CDT | Flash Flood Warning | DMX | 3 hr |
| Sep 6, 3:01 PM CDT | Flash Flood Watch | DMX | 36 hr |
| Sep 18, 3:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 18, 3:22 PM CDT | Severe Thunderstorm Warning | DMX | 38 min |
| Sep 18, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | 40 min |
| Sep 18, 5:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Sep 18, 6:09 PM CDT | Special Weather Statement | DMX | 81 min |
| Oct 3, 12:07 PM CDT | Wind Advisory | DMX | 13 hr |
| Oct 5, 12:24 PM CDT | Special Weather Statement | DMX | 36 min |
| Oct 5, 1:35 PM CDT | Special Weather Statement | DMX | 25 min |
| Oct 5, 2:39 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 7, 3:52 PM CDT | Flood Watch | DMX | 60 hr |
| Oct 8, 5:33 PM CDT | Tornado Watch | SPC | 4 hr |
| Oct 8, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | 40 min |
| Oct 8, 6:47 PM CDT | Tornado Warning | DMX | 43 min |
| Oct 8, 7:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Oct 9, 1:48 AM CDT | Areal Flood Warning | DMX | 24 hr |
| Oct 9, 1:46 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 9, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 4:28 PM CDT | Tornado Warning | DMX | 47 min |
| Oct 13, 3:23 PM CDT | Freeze Watch | DMX | 23 hr |
| Oct 14, 3:45 AM CDT | Freeze Warning | DMX | 30 hr |
| Oct 15, 2:44 PM CDT | Freeze Warning | DMX | 18 hr |
| Oct 27, 3:47 AM CDT | Dense Fog Advisory | DMX | 6 hr |
| Nov 17, 11:01 AM CST | Winter Weather Advisory | DMX | 16 hr |
| Nov 23, 3:30 AM CST | Winter Storm Watch | DMX | 24 hr |
| Nov 24, 3:40 AM CST | Winter Storm Warning | DMX | 11 hr |
| Nov 24, 2:34 PM CST | Blizzard Warning | DMX | 30 hr |
| Nov 25, 3:54 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 25, 10:59 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Nov 30, 2:34 AM CST | Dense Fog Advisory | DMX | 7 hr |
| Nov 30, 3:18 PM CST | Winter Weather Advisory | DMX | 45 hr |
| Dec 1, 6:56 AM CST | Wind Advisory | DMX | 7 hr |
| Dec 1, 12:55 PM CST | Dense Fog Advisory | DMX | 16 hr |
| Dec 31, 3:26 AM CST | Winter Weather Advisory | DMX | 20 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 | 12 |
| Tornado Warning | 8 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 12 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.