Alert archive / Missouri / McDonald County
Weather alerts in McDonald County, Missouri, 2017
188 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McDonald County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 188
- Warnings
- 66
- Watches
- 33
- Advisories
- 36
- Busiest month
- May48 alerts
- Busiest day
- May 19, 201713 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 3 tornado warnings covering McDonald County in 2017 had a tornado report inside them; 4 of 5 tornado reports fell inside a warning, on average 10 minutes after it went out.
McDonald County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 2 | 33% | 5 | 80% | 10 min |
| Severe thunderstorm warnings | 31 | 22 | 29% | 16 | 94% | 33 min |
| Flash flood warnings | 9 | 7 | 22% | 8 | 100% | 252 min |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Springfield, MO: tornado warnings | 51 | 19 | 63% | 57 | 63% | 17 min |
| NWS Springfield, MO: severe thunderstorm warnings | 365 | 248 | 32% | 740 | 79% | 26 min |
| NWS Springfield, MO: flash flood warnings | 80 | 53 | 34% | 149 | 91% | 244 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 2, 5:47 PM CST | Dense Fog Advisory | SGF | 15 hr |
| Jan 10, 12:05 AM CST | Wind Advisory | SGF | 18 hr |
| Jan 11, 3:41 AM CST | Wind Advisory | SGF | 14 hr |
| Jan 12, 1:21 PM CST | Freezing Rain Advisory | SGF | 23 hr |
| Jan 13, 3:39 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 13, 5:54 PM CST | Dense Fog Advisory | SGF | 14 hr |
| Jan 15, 9:33 AM CST | Dense Fog Advisory | SGF | 22 hr |
| Jan 18, 4:31 AM CST | Dense Fog Advisory | SGF | 6 hr |
| Jan 19, 2:57 PM CST | Dense Fog Advisory | SGF | 18 hr |
| Feb 9, 2:19 PM CST | Fire Weather Watch | SGF | 13 hr |
| Feb 10, 3:31 AM CST | Red Flag Warning | SGF | 14 hr |
| Feb 19, 12:50 AM CST | Dense Fog Advisory | SGF | 8 hr |
| Feb 21, 2:38 PM CST | Dense Fog Advisory | SGF | 18 hr |
| Feb 28, 10:22 AM CST | Wind Advisory | SGF | 8 hr |
| Feb 28, 1:46 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 28, 2:19 PM CST | Tornado Watch | SPC | 7 hr |
| Feb 28, 9:04 PM CST | Tornado Watch | SPC | 7 hr |
| Feb 28, 10:01 PM CST | Mesoscale Discussion | SPC | 119 min |
| Mar 1, 1:20 AM CST | Severe Thunderstorm Warning | SGF | 45 min |
| Mar 3, 1:51 PM CST | Fire Weather Watch | SGF | 13 hr |
| Mar 4, 2:49 AM CST | Red Flag Warning | SGF | 16 hr |
| Mar 6, 3:08 AM CST | Wind Advisory | SGF | 17 hr |
| Mar 6, 2:08 PM CST | Red Flag Warning | SGF | 29 hr |
| Mar 6, 2:50 PM CST | Mesoscale Discussion | SPC | 85 min |
| Mar 6, 6:02 PM CST | Mesoscale Discussion | SPC | 58 min |
| Mar 6, 6:51 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 6, 9:16 PM CST | Mesoscale Discussion | SPC | 119 min |
| Mar 6, 10:14 PM CST | Severe Thunderstorm Warning | SGF | 61 min |
| Mar 6, 10:41 PM CST | Severe Thunderstorm Warning | SGF | 64 min |
| Mar 9, 11:10 AM CST | Severe Thunderstorm Watch | SPC | 10 hr |
| Mar 9, 1:04 PM CST | Mesoscale Discussion | SPC | 86 min |
| Mar 9, 2:26 PM CST | Freeze Warning | SGF | 70 hr |
| Mar 9, 5:36 PM CST | Mesoscale Discussion | SPC | 84 min |
| Mar 9, 7:05 PM CST | Severe Thunderstorm Warning | SGF | 55 min |
| Mar 9, 7:31 PM CST | Severe Thunderstorm Warning | SGF | 59 min |
| Mar 13, 11:49 AM CDT | Freeze Warning | SGF | 23 hr |
| Mar 13, 11:49 AM CDT | Freeze Warning | SGF | 47 hr |
| Mar 21, 6:58 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 21, 11:53 PM CDT | Special Weather Statement | TSA | 22 min |
| Mar 22, 12:01 AM CDT | Special Weather Statement | SGF | 44 min |
| Mar 24, 3:28 AM CDT | Wind Advisory | SGF | 10 hr |
| Mar 24, 3:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Mar 25, 3:32 AM CDT | Special Weather Statement | SGF | 28 min |
| Mar 29, 2:51 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 29, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 29, 6:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 4, 1:48 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 2:31 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 4, 6:04 PM CDT | Severe Thunderstorm Warning | SGF | 56 min |
| Apr 4, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 4, 6:43 PM CDT | Tornado Warning | SGF | 47 min |
| Apr 4, 7:16 PM CDT | Severe Thunderstorm Warning | SGF | 59 min |
| Apr 5, 3:32 AM CDT | Wind Advisory | SGF | 15 hr |
| Apr 6, 2:14 AM CDT | Frost Advisory | SGF | 31 hr |
| Apr 16, 6:15 AM CDT | Special Weather Statement | SGF | 45 min |
| Apr 16, 7:03 AM CDT | Special Weather Statement | SGF | 42 min |
| Apr 16, 10:14 PM CDT | Severe Thunderstorm Warning | SGF | 46 min |
| Apr 16, 10:55 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Apr 16, 11:17 PM CDT | Flash Flood Warning | SGF | 6 hr |
| Apr 17, 4:49 AM CDT | Areal Flood Warning | SGF | 7 hr |
| Apr 19, 3:55 PM CDT | Flood Watch | SGF | 60 hr |
| Apr 21, 5:45 AM CDT | Areal Flood Warning | SGF | 8 hr |
| Apr 21, 8:32 AM CDT | River Flood Warning | SGF | 65 hr |
| Apr 21, 9:16 AM CDT | Flash Flood Warning | SGF | 12 hr |
| Apr 21, 9:13 PM CDT | Areal Flood Warning | SGF | 9 hr |
| Apr 22, 2:01 AM CDT | Areal Flood Warning | SGF | 18 hr |
| Apr 22, 8:45 PM CDT | Areal Flood Advisory | SGF | 18 hr |
| Apr 25, 5:59 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 7:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 25, 10:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 25, 11:32 PM CDT | Flash Flood Watch | SGF | 3 hr |
| Apr 26, 12:18 AM CDT | Severe Thunderstorm Warning | SGF | 42 min |
| Apr 26, 12:59 AM CDT | Severe Thunderstorm Warning | SGF | 46 min |
| Apr 27, 4:09 AM CDT | Flash Flood Watch | SGF | 4 days |
| Apr 28, 9:19 AM CDT | River Flood Warning | SGF | 4 days |
| Apr 28, 10:01 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 28, 11:40 PM CDT | Flash Flood Warning | SGF | 24 hr |
| Apr 29, 3:39 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 29, 3:53 AM CDT | Severe Thunderstorm Warning | SGF | 52 min |
| Apr 29, 8:16 AM CDT | Flash Flood Warning | SGF | 6 hr |
| Apr 29, 11:39 PM CDT | Flash Flood Warning | SGF | 12 hr |
| Apr 30, 11:26 AM CDT | Areal Flood Warning | SGF | 57 hr |
| May 2, 3:14 AM CDT | Flash Flood Watch | SGF | 52 hr |
| May 3, 3:11 AM CDT | Areal Flood Warning | SGF | 24 hr |
| May 3, 4:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| May 11, 12:19 AM CDT | Severe Thunderstorm Warning | SGF | 56 min |
| May 11, 8:53 AM CDT | Severe Thunderstorm Warning | SGF | 28 min |
| May 11, 10:46 AM CDT | Flash Flood Watch | SGF | 13 hr |
| May 11, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 11, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 11, 3:06 PM CDT | Severe Thunderstorm Warning | SGF | 24 min |
| May 11, 3:28 PM CDT | Severe Thunderstorm Warning | SGF | 47 min |
| May 11, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 17, 3:37 AM CDT | Wind Advisory | SGF | 15 hr |
| May 18, 1:43 PM CDT | Flash Flood Watch | SGF | 38 hr |
| May 18, 9:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 18, 10:58 PM CDT | Tornado Watch | SPC | 6 hr |
| May 18, 11:34 PM CDT | Tornado Warning | SGF | 41 min |
| May 18, 11:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 19, 12:14 AM CDT | Tornado Warning | SGF | 46 min |
| May 19, 2:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 19, 2:34 PM CDT | Severe Thunderstorm Warning | SGF | 56 min |
| May 19, 3:03 PM CDT | Flash Flood Warning | SGF | 12 hr |
| May 19, 3:06 PM CDT | Tornado Watch | SPC | 7 hr |
| May 19, 3:23 PM CDT | Severe Thunderstorm Warning | SGF | 67 min |
| May 19, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 19, 6:24 PM CDT | Severe Thunderstorm Warning | SGF | 51 min |
| May 19, 6:55 PM CDT | Severe Thunderstorm Warning | SGF | 65 min |
| May 19, 8:51 PM CDT | Severe Thunderstorm Warning | SGF | 54 min |
| May 19, 9:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 19, 9:42 PM CDT | Tornado Watch | SPC | 7 hr |
| May 20, 2:57 AM CDT | Areal Flood Warning | SGF | 19 hr |
| May 20, 8:57 AM CDT | River Flood Warning | SGF | 53 hr |
| May 20, 9:35 PM CDT | Areal Flood Warning | SGF | 12 hr |
| May 26, 11:29 PM CDT | Severe Thunderstorm Warning | SGF | 61 min |
| May 27, 12:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 27, 2:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| May 27, 11:21 AM CDT | Flash Flood Watch | SGF | 16 hr |
| May 27, 12:13 PM CDT | Tornado Watch | SPC | 7 hr |
| May 27, 1:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 27, 6:58 PM CDT | Severe Thunderstorm Warning | SGF | 47 min |
| May 27, 7:01 PM CDT | Tornado Watch | SPC | 6 hr |
| May 27, 7:25 PM CDT | Flash Flood Warning | SGF | 5 hr |
| May 27, 7:28 PM CDT | Severe Thunderstorm Warning | SGF | 62 min |
| May 27, 8:20 PM CDT | Flash Flood Warning | SGF | 4 hr |
| May 27, 8:23 PM CDT | Severe Thunderstorm Warning | SGF | 52 min |
| May 27, 10:21 PM CDT | Areal Flood Warning | SGF | 12 hr |
| May 28, 12:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 31, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 31, 1:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 15, 7:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 11:11 PM CDT | Special Weather Statement | SGF | 49 min |
| Jun 16, 3:26 AM CDT | Heat Advisory | SGF | 39 hr |
| Jun 17, 12:09 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 5:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 17, 7:10 AM CDT | Special Weather Statement | SGF | 50 min |
| Jun 17, 9:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 17, 11:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 23, 12:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 2:42 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 4:42 AM CDT | Special Weather Statement | SGF | 63 min |
| Jul 2, 6:09 PM CDT | Special Weather Statement | SGF | 81 min |
| Jul 2, 8:00 PM CDT | Areal Flood Advisory | SGF | 4 hr |
| Jul 7, 2:25 PM CDT | Heat Advisory | SGF | 5 hr |
| Jul 7, 6:06 PM CDT | Special Weather Statement | SGF | 54 min |
| Jul 7, 6:14 PM CDT | Severe Thunderstorm Warning | SGF | 46 min |
| Jul 8, 12:04 AM CDT | Special Weather Statement | SGF | 26 min |
| Jul 8, 12:09 AM CDT | Severe Thunderstorm Warning | SGF | 51 min |
| Jul 8, 12:35 AM CDT | Special Weather Statement | SGF | 40 min |
| Jul 8, 12:51 AM CDT | Severe Thunderstorm Warning | SGF | 54 min |
| Jul 8, 12:56 AM CDT | Areal Flood Advisory | SGF | 4 hr |
| Jul 8, 1:45 AM CDT | Special Weather Statement | SGF | 30 min |
| Jul 13, 2:28 AM CDT | Heat Advisory | SGF | 17 hr |
| Jul 18, 2:36 PM CDT | Heat Advisory | SGF | 5 days |
| Jul 25, 2:41 PM CDT | Heat Advisory | SGF | 29 hr |
| Aug 6, 5:52 PM CDT | Dense Fog Advisory | SGF | 15 hr |
| Aug 16, 10:54 AM CDT | Flash Flood Watch | SGF | 16 hr |
| Aug 16, 9:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 18, 2:34 PM CDT | Severe Thunderstorm Warning | SGF | 56 min |
| Aug 18, 3:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 18, 4:11 PM CDT | Severe Thunderstorm Warning | SGF | 33 min |
| Aug 19, 1:44 PM CDT | Heat Advisory | SGF | 5 hr |
| Aug 19, 2:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 20, 3:23 AM CDT | Heat Advisory | SGF | 16 hr |
| Aug 28, 2:40 AM CDT | Dense Fog Advisory | SGF | 6 hr |
| Oct 21, 8:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 21, 10:06 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Oct 21, 10:40 PM CDT | Special Weather Statement | SGF | 80 min |
| Oct 21, 11:17 PM CDT | Severe Thunderstorm Warning | SGF | 58 min |
| Oct 24, 10:44 AM CDT | Wind Advisory | SGF | 7 hr |
| Oct 26, 3:23 AM CDT | Freeze Watch | SGF | 24 hr |
| Oct 27, 3:07 AM CDT | Freeze Warning | SGF | 31 hr |
| Oct 27, 3:07 AM CDT | Freeze Warning | SGF | 54 hr |
| Nov 4, 2:54 AM CDT | Dense Fog Advisory | SGF | 7 hr |
| Nov 4, 10:25 PM CDT | Dense Fog Advisory | SGF | 87 min |
| Nov 17, 2:52 PM CST | Wind Advisory | SGF | 26 hr |
| Nov 20, 9:06 AM CST | Red Flag Warning | SGF | 9 hr |
| Nov 27, 2:35 AM CST | Red Flag Warning | SGF | 16 hr |
| Dec 4, 1:26 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 4, 2:34 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Dec 4, 3:57 PM CST | Mesoscale Discussion | SPC | 93 min |
| Dec 4, 4:43 PM CST | Special Weather Statement | SGF | 47 min |
| Dec 4, 4:58 PM CST | Severe Thunderstorm Warning | SGF | 47 min |
| Dec 11, 3:27 AM CST | Red Flag Warning | SGF | 15 hr |
| Dec 22, 2:33 PM CST | Winter Weather Advisory | SGF | 15 hr |
| Dec 24, 6:33 AM CST | Winter Weather Advisory | SGF | 4 hr |
| Dec 29, 3:35 PM CST | Wind Chill Advisory | SGF | 4 days |
| Dec 30, 6:07 AM CST | Winter Weather Advisory | SGF | 4 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 | 31 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 38 |
| Special Weather Statement | 15 |
| Flooding | |
| Areal Flood Warning | 9 |
| Flash Flood Warning | 9 |
| River Flood Warning | 3 |
| Flash Flood Watch | 7 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.