Alert archive / Missouri / Nodaway County
Weather alerts in Nodaway County, Missouri, 2017
112 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Nodaway County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 112
- Warnings
- 37
- Watches
- 19
- Advisories
- 26
- Busiest month
- June34 alerts
- Busiest day
- June 29, 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.
3 of 8 tornado warnings covering Nodaway County in 2017 had a tornado report inside them; 2 of 5 tornado reports fell inside a warning, on average 16 minutes after it went out.
Nodaway County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 8 | 3 | 63% | 5 | 40% | 16 min |
| Severe thunderstorm warnings | 17 | 10 | 41% | 16 | 50% | 17 min |
| Flash flood warnings | 3 | 1 | 67% | 2 | 100% | 176 min |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Kansas City, MO: tornado warnings | 40 | 15 | 63% | 40 | 53% | 11 min |
| NWS Kansas City, MO: severe thunderstorm warnings | 220 | 136 | 38% | 750 | 69% | 22 min |
| NWS Kansas City, MO: flash flood warnings | 40 | 28 | 30% | 117 | 96% | 135 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, 5:43 PM CST | Dense Fog Advisory | EAX | 9 hr |
| Jan 4, 3:00 AM CST | Winter Weather Advisory | EAX | 32 hr |
| Jan 10, 9:28 AM CST | Wind Advisory | EAX | 7 hr |
| Jan 12, 3:52 AM CST | Winter Storm Watch | EAX | 10 hr |
| Jan 12, 2:21 PM CST | Ice Storm Warning | EAX | 4 days |
| Jan 15, 9:02 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 15, 1:59 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 16, 3:59 PM CST | Dense Fog Advisory | EAX | 7 hr |
| Jan 19, 3:07 PM CST | Dense Fog Advisory | EAX | 20 hr |
| Jan 20, 10:04 PM CST | Dense Fog Advisory | EAX | 12 hr |
| Feb 7, 2:50 AM CST | Dense Fog Advisory | EAX | 5 hr |
| Feb 23, 9:48 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 27, 12:34 AM CST | Dense Fog Advisory | EAX | 8 hr |
| Mar 3, 1:48 PM CST | Fire Weather Watch | EAX | 13 hr |
| Mar 4, 2:42 AM CST | Red Flag Warning | EAX | 16 hr |
| Mar 6, 3:18 AM CST | Fire Weather Watch | EAX | 11 hr |
| Mar 6, 3:18 AM CST | Red Flag Warning | EAX | 17 hr |
| Mar 6, 3:23 AM CST | Wind Advisory | EAX | 18 hr |
| Mar 6, 1:48 PM CST | Mesoscale Discussion | SPC | 117 min |
| Mar 6, 2:21 PM CST | Red Flag Warning | EAX | 28 hr |
| Mar 6, 2:27 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 6, 5:59 PM CST | Severe Thunderstorm Warning | EAX | 46 min |
| Mar 6, 6:12 PM CST | Tornado Warning | EAX | 33 min |
| Mar 6, 6:22 PM CST | Tornado Warning | EAX | 23 min |
| Mar 6, 6:31 PM CST | Mesoscale Discussion | SPC | 119 min |
| Mar 6, 6:52 PM CST | Severe Thunderstorm Warning | EAX | 38 min |
| Mar 7, 11:07 AM CST | Wind Advisory | EAX | 5 hr |
| Apr 4, 11:34 AM CDT | Flood Watch | EAX | 25 hr |
| Apr 6, 2:58 AM CDT | Frost Advisory | EAX | 30 hr |
| Apr 9, 10:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 11:28 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 9, 11:53 PM CDT | Severe Thunderstorm Warning | EAX | 52 min |
| Apr 10, 3:02 PM CDT | Frost Advisory | EAX | 17 hr |
| Apr 15, 4:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 15, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 15, 7:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 15, 7:30 PM CDT | Tornado Warning | EAX | 30 min |
| Apr 15, 7:59 PM CDT | Tornado Warning | EAX | 16 min |
| Apr 15, 8:28 PM CDT | Special Weather Statement | EAX | 32 min |
| Apr 15, 8:37 PM CDT | Severe Thunderstorm Warning | EAX | 23 min |
| Apr 19, 3:23 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 1:52 PM CDT | Frost Advisory | EAX | 18 hr |
| May 16, 4:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 16, 7:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 16, 10:32 PM CDT | Special Weather Statement | EAX | 28 min |
| May 17, 11:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 17, 12:08 PM CDT | Tornado Watch | SPC | 7 hr |
| May 17, 2:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 27, 8:33 AM CDT | Special Weather Statement | EAX | 27 min |
| Jun 15, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 9:35 PM CDT | Severe Thunderstorm Warning | EAX | 25 min |
| Jun 15, 9:55 PM CDT | Special Weather Statement | EAX | 35 min |
| Jun 16, 6:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 16, 7:52 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 8:36 PM CDT | Severe Thunderstorm Warning | EAX | 39 min |
| Jun 16, 9:12 PM CDT | Severe Thunderstorm Warning | EAX | 48 min |
| Jun 16, 9:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 9:35 PM CDT | Tornado Warning | EAX | 11 min |
| Jun 16, 9:41 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Jun 16, 9:44 PM CDT | Severe Thunderstorm Warning | EAX | 46 min |
| Jun 28, 2:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 2:53 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 28, 4:18 PM CDT | Special Weather Statement | EAX | 27 min |
| Jun 28, 5:00 PM CDT | Tornado Warning | EAX | 30 min |
| Jun 28, 5:25 PM CDT | Severe Thunderstorm Warning | EAX | 35 min |
| Jun 28, 5:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 28, 5:49 PM CDT | Tornado Warning | EAX | 26 min |
| Jun 28, 6:12 PM CDT | Severe Thunderstorm Warning | EAX | 48 min |
| Jun 28, 6:17 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Jun 28, 6:36 PM CDT | Flash Flood Warning | EAX | 9 hr |
| Jun 28, 7:10 PM CDT | Severe Thunderstorm Warning | EAX | 65 min |
| Jun 28, 8:15 PM CDT | Severe Thunderstorm Warning | EAX | 60 min |
| Jun 28, 8:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 28, 8:48 PM CDT | Tornado Warning | EAX | 27 min |
| Jun 28, 9:17 PM CDT | Severe Thunderstorm Warning | EAX | 28 min |
| Jun 28, 9:38 PM CDT | Flash Flood Warning | EAX | 6 hr |
| Jun 28, 10:21 PM CDT | Severe Thunderstorm Warning | EAX | 39 min |
| Jun 28, 10:50 PM CDT | River Flood Warning | EAX | 28 hr |
| Jun 28, 11:00 PM CDT | Special Weather Statement | EAX | 45 min |
| Jun 28, 11:38 PM CDT | Severe Thunderstorm Warning | EAX | 52 min |
| Jun 29, 1:26 AM CDT | Flash Flood Warning | EAX | 3 hr |
| Jun 29, 3:25 AM CDT | Flash Flood Watch | EAX | 28 hr |
| Jun 29, 3:37 AM CDT | Areal Flood Warning | EAX | 48 hr |
| Jul 1, 1:50 AM CDT | Areal Flood Warning | EAX | 48 hr |
| Jul 3, 4:26 PM CDT | Special Weather Statement | EAX | 34 min |
| Jul 3, 5:28 PM CDT | Special Weather Statement | EAX | 47 min |
| Jul 3, 5:38 PM CDT | Special Weather Statement | EAX | 52 min |
| Jul 9, 2:55 PM CDT | Heat Advisory | EAX | 3 days |
| Jul 15, 2:42 PM CDT | Excessive Heat Watch | EAX | 72 hr |
| Jul 17, 2:51 PM CDT | Excessive Heat Warning | EAX | 5 days |
| Jul 19, 6:11 AM CDT | Areal Flood Advisory | EAX | 4 hr |
| Jul 26, 3:25 AM CDT | Flash Flood Watch | EAX | 28 hr |
| Aug 20, 2:55 AM CDT | Special Weather Statement | EAX | 50 min |
| Sep 3, 5:34 AM CDT | Dense Fog Advisory | EAX | 4 hr |
| Sep 18, 10:15 PM CDT | Dense Fog Advisory | EAX | 11 hr |
| Oct 4, 3:14 PM CDT | Flood Watch | EAX | 60 hr |
| Oct 6, 8:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Oct 6, 9:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Oct 15, 12:28 PM CDT | Frost Advisory | EAX | 20 hr |
| Oct 21, 1:23 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 21, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Oct 21, 4:30 PM CDT | Severe Thunderstorm Warning | EAX | 30 min |
| Oct 21, 5:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Oct 26, 8:31 AM CDT | Freeze Watch | EAX | 18 hr |
| Oct 27, 2:35 AM CDT | Freeze Warning | EAX | 31 hr |
| Nov 12, 9:40 PM CST | Dense Fog Advisory | EAX | 8 hr |
| Dec 4, 6:31 PM CST | Wind Advisory | EAX | 5 hr |
| Dec 11, 11:06 AM CST | Wind Advisory | EAX | 7 hr |
| Dec 13, 10:39 AM CST | Wind Advisory | EAX | 6 hr |
| Dec 23, 3:50 AM CST | Winter Weather Advisory | EAX | 31 hr |
| Dec 26, 3:02 AM CST | Wind Chill Advisory | EAX | 31 hr |
| Dec 29, 3:52 PM CST | Wind Chill Advisory | EAX | 56 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 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.