Alert archive / Kansas / Ottawa County
Weather alerts in Ottawa County, Kansas, 2013
140 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ottawa County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 140
- Warnings
- 37
- Watches
- 24
- Advisories
- 28
- Busiest month
- May35 alerts
- Busiest day
- May 28, 201312 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 Ottawa County in 2013 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 12 minutes after it went out.
Ottawa County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 2 | 100% | 12 min |
| Severe thunderstorm warnings | 19 | 15 | 21% | 20 | 85% | 20 min |
| Flash flood warnings | 2 | 1 | 50% | 3 | 100% | 69 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Topeka, KS: tornado warnings | 16 | 7 | 56% | 13 | 77% | 14 min |
| NWS Topeka, KS: severe thunderstorm warnings | 161 | 92 | 43% | 234 | 78% | 19 min |
| NWS Topeka, KS: flash flood warnings | 20 | 13 | 35% | 27 | 100% | 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 10, 7:42 PM CST | Dense Fog Advisory | TOP | 11 hr |
| Jan 28, 3:18 AM CST | Dense Fog Advisory | TOP | 11 hr |
| Jan 29, 5:49 AM CST | Winter Weather Advisory | TOP | 28 hr |
| Jan 29, 8:29 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 8, 6:23 AM CST | Dense Fog Advisory | TOP | 4 hr |
| Feb 9, 3:31 PM CST | Wind Advisory | TOP | 26 hr |
| Feb 18, 3:15 PM CST | Winter Storm Watch | TOP | 25 hr |
| Feb 19, 3:54 PM CST | Winter Storm Warning | TOP | 53 hr |
| Feb 21, 3:16 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 23, 4:04 AM CST | Winter Storm Watch | TOP | 37 hr |
| Feb 24, 4:58 AM CST | Winter Storm Warning | TOP | 55 hr |
| Feb 24, 4:59 PM CST | Winter Weather Advisory | TOP | 46 hr |
| Mar 10, 4:40 AM CDT | Winter Weather Advisory | TOP | 14 hr |
| Mar 21, 3:57 PM CDT | Winter Storm Watch | TOP | 37 hr |
| Mar 22, 3:53 PM CDT | Winter Storm Warning | TOP | 42 hr |
| Mar 23, 1:59 PM CDT | Winter Weather Advisory | TOP | 17 hr |
| Apr 7, 5:09 PM CDT | Special Weather Statement | TOP | 51 min |
| Apr 7, 5:45 PM CDT | Severe Thunderstorm Warning | TOP | 45 min |
| Apr 9, 1:33 PM CDT | Winter Weather Advisory | TOP | 28 hr |
| Apr 9, 3:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 7:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 8:34 PM CDT | Special Weather Statement | TOP | 56 min |
| Apr 9, 8:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 9, 11:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 10, 5:12 AM CDT | Winter Storm Warning | TOP | 8 hr |
| Apr 10, 6:02 PM CDT | Winter Weather Advisory | TOP | 4 hr |
| Apr 17, 12:41 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 17, 2:26 PM CDT | Special Weather Statement | TOP | 34 min |
| Apr 17, 3:00 PM CDT | Special Weather Statement | TOP | 45 min |
| Apr 17, 9:18 PM CDT | Special Weather Statement | TOP | 27 min |
| Apr 18, 3:36 AM CDT | Freeze Warning | TOP | 28 hr |
| Apr 19, 3:46 AM CDT | Freeze Warning | TOP | 28 hr |
| Apr 22, 3:09 AM CDT | Winter Weather Advisory | TOP | 33 hr |
| Apr 23, 3:41 AM CDT | Freeze Warning | TOP | 30 hr |
| Apr 24, 3:59 AM CDT | Freeze Warning | TOP | 29 hr |
| Apr 29, 6:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 2, 3:47 AM CDT | Freeze Watch | TOP | 12 hr |
| May 2, 3:34 PM CDT | Freeze Warning | TOP | 17 hr |
| May 18, 7:29 PM CDT | Tornado Watch | SPC | 5 hr |
| May 18, 7:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 18, 9:21 PM CDT | Special Weather Statement | TOP | 39 min |
| May 18, 9:30 PM CDT | Severe Thunderstorm Warning | TOP | 30 min |
| May 18, 9:55 PM CDT | Severe Thunderstorm Warning | TOP | 35 min |
| May 19, 1:47 PM CDT | Tornado Watch | SPC | 10 hr |
| May 19, 2:51 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| May 19, 4:56 PM CDT | Severe Thunderstorm Warning | TOP | 49 min |
| May 19, 7:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 27, 4:49 PM CDT | Tornado Watch | SPC | 7 hr |
| May 27, 6:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 8:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 27, 9:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 28, 1:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 28, 2:23 PM CDT | Tornado Watch | SPC | 8 hr |
| May 28, 3:27 PM CDT | Wind Advisory | TOP | 26 hr |
| May 28, 5:00 PM CDT | Special Weather Statement | TOP | 30 min |
| May 28, 5:23 PM CDT | Severe Thunderstorm Warning | TOP | 52 min |
| May 28, 5:31 PM CDT | Tornado Warning | TOP | 29 min |
| May 28, 5:51 PM CDT | Tornado Warning | TOP | 39 min |
| May 28, 6:29 PM CDT | Tornado Warning | TOP | 31 min |
| May 28, 6:36 PM CDT | Flash Flood Warning | TOP | 4 hr |
| May 28, 6:58 PM CDT | Severe Thunderstorm Warning | TOP | 47 min |
| May 28, 7:06 PM CDT | Tornado Warning | TOP | 24 min |
| May 29, 10:08 AM CDT | Special Weather Statement | TOP | 37 min |
| May 29, 12:49 PM CDT | Flash Flood Watch | TOP | 25 hr |
| May 29, 3:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 3:33 PM CDT | Tornado Watch | SPC | 7 hr |
| May 29, 4:16 PM CDT | Severe Thunderstorm Warning | TOP | 44 min |
| May 29, 4:39 PM CDT | Flash Flood Warning | TOP | 4 hr |
| May 29, 4:55 PM CDT | Severe Thunderstorm Warning | TOP | 50 min |
| May 30, 7:33 AM CDT | Areal Flood Advisory | TOP | 117 min |
| May 31, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 4, 9:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 11:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 5, 2:04 AM CDT | Special Weather Statement | TOP | 26 min |
| Jun 5, 3:24 AM CDT | Areal Flood Advisory | TOP | 2 hr |
| Jun 8, 3:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 8, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 8, 4:59 PM CDT | Severe Thunderstorm Warning | TOP | 46 min |
| Jun 8, 5:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 8, 5:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 8, 5:42 PM CDT | Special Weather Statement | TOP | 33 min |
| Jun 16, 8:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 16, 10:07 PM CDT | Severe Thunderstorm Warning | TOP | 53 min |
| Jun 18, 3:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 23, 3:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 6:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 24, 9:43 PM CDT | Special Weather Statement | TOP | 32 min |
| Jun 25, 2:07 AM CDT | Severe Thunderstorm Warning | TOP | 38 min |
| Jun 25, 2:43 AM CDT | Severe Thunderstorm Warning | TOP | 47 min |
| Jun 25, 3:15 AM CDT | Areal Flood Advisory | TOP | 2 hr |
| Jun 25, 3:29 AM CDT | Severe Thunderstorm Warning | TOP | 46 min |
| Jun 25, 4:08 AM CDT | Severe Thunderstorm Warning | TOP | 37 min |
| Jun 26, 3:43 PM CDT | Heat Advisory | TOP | 28 hr |
| Jun 27, 8:28 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 11:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 27, 2:29 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 3:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 27, 4:14 PM CDT | Severe Thunderstorm Warning | TOP | 31 min |
| Jul 8, 3:21 PM CDT | Heat Advisory | TOP | 29 hr |
| Jul 9, 6:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 9, 9:14 PM CDT | Severe Thunderstorm Warning | TOP | 46 min |
| Jul 9, 10:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 8:24 PM CDT | Special Weather Statement | TOP | 36 min |
| Jul 23, 7:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 24, 4:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 28, 4:09 AM CDT | Flood Watch | TOP | 46 hr |
| Jul 30, 1:56 PM CDT | Dense Fog Advisory | TOP | 16 hr |
| Aug 1, 11:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 2, 2:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 2, 11:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 3, 4:03 PM CDT | Flood Watch | TOP | 21 hr |
| Aug 5, 3:55 AM CDT | Flood Watch | TOP | 20 hr |
| Aug 8, 4:43 AM CDT | Flash Flood Watch | TOP | 16 hr |
| Aug 15, 3:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 15, 3:32 PM CDT | Severe Thunderstorm Warning | TOP | 43 min |
| Aug 15, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 15, 4:12 PM CDT | Severe Thunderstorm Warning | TOP | 48 min |
| Aug 31, 3:45 AM CDT | Heat Advisory | TOP | 16 hr |
| Oct 14, 6:53 PM CDT | Special Weather Statement | TOP | 37 min |
| Oct 14, 7:23 PM CDT | Special Weather Statement | TOP | 22 min |
| Oct 18, 2:11 PM CDT | Freeze Warning | TOP | 19 hr |
| Oct 24, 4:00 AM CDT | Frost Advisory | TOP | 29 hr |
| Oct 30, 6:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 1, 6:08 PM CDT | Special Weather Statement | TOP | 22 min |
| Nov 1, 6:36 PM CDT | Special Weather Statement | TOP | 24 min |
| Nov 2, 3:29 PM CDT | Wind Advisory | TOP | 28 hr |
| Nov 8, 9:18 AM CST | Wind Advisory | TOP | 9 hr |
| Nov 16, 3:34 AM CST | Fire Weather Watch | TOP | 9 hr |
| Nov 16, 12:55 PM CST | Red Flag Warning | TOP | 29 hr |
| Nov 17, 3:28 AM CST | Wind Advisory | TOP | 14 hr |
| Nov 17, 11:54 AM CST | High Wind Warning | TOP | 3 hr |
| Nov 20, 3:43 PM CST | Winter Weather Advisory | TOP | 35 hr |
| Dec 4, 5:18 AM CST | Winter Weather Advisory | TOP | 4 hr |
| Dec 8, 1:17 AM CST | Winter Weather Advisory | TOP | 17 hr |
| Dec 19, 1:59 PM CST | Freezing Rain Advisory | TOP | 19 hr |
| Dec 21, 4:05 AM CST | Winter Weather Advisory | TOP | 23 hr |
| Dec 21, 2:35 PM CST | Mesoscale Discussion | SPC | 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 | 19 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 16 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Flood Watch | 3 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 3 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 11 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.