Alert archive / Kansas / Jefferson County
Weather alerts in Jefferson County, Kansas, 2008
172 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jefferson County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 172
- Warnings
- 36
- Watches
- 38
- Advisories
- 44
- Busiest month
- June50 alerts
- Busiest day
- June 12, 20089 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 1 tornado warnings covering Jefferson County in 2008 had a tornado report inside them.
Jefferson County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 25 | 17 | 32% | 25 | 88% | 25 min |
| Flash flood warnings | 3 | 2 | 33% | 1 | 0% |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Topeka, KS: tornado warnings | 34 | 21 | 38% | 42 | 90% | 17 min |
| NWS Topeka, KS: severe thunderstorm warnings | 256 | 162 | 37% | 457 | 87% | 21 min |
| NWS Topeka, KS: flash flood warnings | 42 | 18 | 57% | 35 | 74% | 48 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 15, 3:21 PM CST | Snow Advisory | TOP | 36 hr |
| Jan 21, 2:15 PM CST | Winter Weather Advisory | TOP | 7 hr |
| Jan 28, 3:31 AM CST | Wind Advisory | TOP | 14 hr |
| Jan 28, 9:58 PM CST | Wind Advisory | TOP | 17 hr |
| Jan 30, 4:17 AM CST | Snow and Blowing Snow Advisory | TOP | 34 hr |
| Jan 31, 4:00 AM CST | Snow Advisory | TOP | 11 hr |
| Feb 3, 9:37 PM CST | Dense Fog Advisory | TOP | 6 hr |
| Feb 4, 3:56 AM CST | Winter Storm Watch | TOP | 24 hr |
| Feb 5, 3:59 AM CST | Winter Storm Warning | TOP | 30 hr |
| Feb 5, 7:07 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 5, 5:26 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 6, 12:30 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 3:18 PM CST | Winter Storm Watch | TOP | 24 hr |
| Feb 16, 3:02 PM CST | Snow and Blowing Snow Advisory | TOP | 5 hr |
| Feb 16, 5:54 PM CST | Wind Advisory | TOP | 24 hr |
| Feb 16, 7:49 PM CST | Winter Weather Advisory | TOP | 16 hr |
| Feb 20, 3:18 PM CST | Winter Weather Advisory | TOP | 24 hr |
| Mar 1, 11:25 AM CST | Wind Advisory | TOP | 5 hr |
| Mar 2, 4:19 AM CST | Wind Advisory | TOP | 11 hr |
| Mar 2, 4:27 AM CST | Flood Watch | TOP | 19 hr |
| Mar 2, 4:39 AM CST | Winter Weather Advisory | TOP | 20 hr |
| Mar 2, 2:31 PM CST | Mesoscale Discussion | SPC | 104 min |
| Mar 14, 4:48 AM CDT | Dense Fog Advisory | TOP | 5 hr |
| Mar 30, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 30, 11:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Mar 31, 4:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 9, 2:55 PM CDT | Flood Watch | TOP | 19 hr |
| Apr 10, 2:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 10, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 10, 6:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 10, 7:00 PM CDT | Severe Thunderstorm Warning | TOP | 14 min |
| Apr 10, 7:21 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| Apr 14, 3:39 PM CDT | Wind Advisory | TOP | 48 hr |
| Apr 17, 4:07 AM CDT | Flood Watch | TOP | 10 hr |
| Apr 17, 3:46 PM CDT | Severe Thunderstorm Warning | TOP | 29 min |
| Apr 21, 6:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 21, 7:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 21, 10:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 11:40 PM CDT | Severe Thunderstorm Warning | TOP | 26 min |
| Apr 23, 12:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 23, 2:50 PM CDT | Severe Thunderstorm Warning | TOP | 26 min |
| Apr 23, 3:37 PM CDT | Flash Flood Watch | TOP | 10 hr |
| Apr 24, 10:20 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 24, 11:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 25, 12:55 AM CDT | Mesoscale Discussion | SPC | 35 min |
| May 1, 11:47 AM CDT | Wind Advisory | TOP | 4 hr |
| May 1, 4:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 1, 5:36 PM CDT | Tornado Watch | SPC | 7 hr |
| May 1, 7:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 1, 10:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 1, 11:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 2, 12:53 AM CDT | Tornado Watch | SPC | 6 hr |
| May 2, 12:53 AM CDT | Severe Thunderstorm Warning | TOP | 52 min |
| May 2, 1:04 AM CDT | Tornado Warning | TOP | 27 min |
| May 2, 1:23 AM CDT | Severe Thunderstorm Warning | TOP | 19 min |
| May 3, 3:37 PM CDT | Frost Advisory | TOP | 17 hr |
| May 10, 3:28 AM CDT | Wind Advisory | TOP | 28 hr |
| May 10, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 3:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 22, 6:22 AM CDT | Areal Flood Advisory | TOP | 13 days |
| May 22, 7:02 AM CDT | Flash Flood Warning | TOP | 4 hr |
| May 22, 1:31 PM CDT | Areal Flood Warning | TOP | 18 days |
| May 22, 7:40 PM CDT | Areal Flood Warning | TOP | 79 days |
| May 24, 1:16 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 25, 4:10 AM CDT | Flash Flood Watch | TOP | 19 hr |
| May 25, 8:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 25, 8:46 PM CDT | Tornado Watch | SPC | 3 hr |
| May 26, 3:48 PM CDT | Flash Flood Watch | TOP | 21 hr |
| Jun 2, 7:22 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 2, 7:49 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 2, 11:17 AM CDT | Severe Thunderstorm Warning | TOP | 43 min |
| Jun 2, 11:28 AM CDT | Severe Thunderstorm Warning | TOP | 62 min |
| Jun 2, 11:33 AM CDT | Flash Flood Warning | TOP | 4 hr |
| Jun 2, 10:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 3, 2:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 5, 3:02 AM CDT | Wind Advisory | TOP | 16 hr |
| Jun 5, 1:41 PM CDT | Flash Flood Watch | TOP | 11 hr |
| Jun 5, 4:38 PM CDT | Mesoscale Discussion | SPC | 37 min |
| Jun 5, 4:50 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 5, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 5, 8:17 PM CDT | Severe Thunderstorm Warning | TOP | 43 min |
| Jun 5, 8:52 PM CDT | Severe Thunderstorm Warning | TOP | 38 min |
| Jun 5, 9:28 PM CDT | Severe Thunderstorm Warning | TOP | 47 min |
| Jun 7, 4:02 PM CDT | Flash Flood Watch | TOP | 35 hr |
| Jun 8, 12:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 1:34 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 8, 4:33 PM CDT | Severe Thunderstorm Warning | TOP | 42 min |
| Jun 8, 5:12 PM CDT | Severe Thunderstorm Warning | TOP | 48 min |
| Jun 8, 5:53 PM CDT | Severe Thunderstorm Warning | TOP | 38 min |
| Jun 8, 6:05 PM CDT | Severe Thunderstorm Warning | TOP | 28 min |
| Jun 11, 8:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 11, 9:46 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 11, 11:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 12, 12:41 AM CDT | Severe Thunderstorm Warning | TOP | 49 min |
| Jun 12, 2:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 12, 3:06 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 12, 3:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 12, 6:18 PM CDT | Severe Thunderstorm Warning | TOP | 57 min |
| Jun 12, 6:36 PM CDT | Flash Flood Warning | TOP | 4 hr |
| Jun 12, 7:21 PM CDT | Severe Thunderstorm Warning | TOP | 39 min |
| Jun 12, 8:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 15, 8:44 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 15, 9:09 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 15, 11:54 AM CDT | Severe Thunderstorm Warning | TOP | 51 min |
| Jun 15, 1:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 15, 8:25 PM CDT | Severe Thunderstorm Warning | TOP | 13 min |
| Jun 16, 2:24 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 1:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 19, 1:27 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 19, 3:31 PM CDT | Severe Thunderstorm Warning | TOP | 44 min |
| Jun 19, 3:59 PM CDT | Severe Thunderstorm Warning | TOP | 30 min |
| Jun 19, 6:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 24, 3:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 26, 3:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 26, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 27, 1:37 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 4:04 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 27, 8:13 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 5:59 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 2, 6:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 7:10 PM CDT | Severe Thunderstorm Warning | TOP | 23 min |
| Jul 2, 9:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 8, 5:02 PM CDT | Areal Flood Advisory | TOP | 2 hr |
| Jul 9, 3:36 AM CDT | Dense Fog Advisory | TOP | 5 hr |
| Jul 24, 3:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 24, 5:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 24, 7:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 25, 1:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 26, 1:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 26, 2:13 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 26, 5:03 PM CDT | Mesoscale Discussion | SPC | 27 min |
| Jul 26, 7:05 PM CDT | Areal Flood Advisory | TOP | 85 min |
| Jul 26, 7:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 30, 5:01 AM CDT | Areal Flood Advisory | TOP | 3 hr |
| Jul 31, 12:55 AM CDT | Dense Fog Advisory | TOP | 8 hr |
| Jul 31, 3:52 PM CDT | Heat Advisory | TOP | 4 days |
| Aug 3, 10:59 AM CDT | Excessive Heat Warning | TOP | 55 hr |
| Aug 23, 2:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 28, 2:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 28, 3:22 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 28, 6:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 1:17 PM CDT | Areal Flood Advisory | TOP | 118 min |
| Sep 5, 4:36 AM CDT | Dense Fog Advisory | TOP | 5 hr |
| Sep 8, 4:50 AM CDT | Severe Thunderstorm Warning | TOP | 30 min |
| Sep 8, 5:17 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 6:05 AM CDT | Areal Flood Advisory | TOP | 82 min |
| Sep 11, 3:41 AM CDT | Flood Watch | TOP | 71 hr |
| Sep 12, 10:45 AM CDT | Areal Flood Advisory | TOP | 2 hr |
| Sep 12, 4:28 PM CDT | Tornado Watch | SPC | 6 hr |
| Sep 12, 5:34 PM CDT | Areal Flood Warning | TOP | 3 hr |
| Oct 25, 3:31 AM CDT | Freeze Watch | TOP | 36 hr |
| Oct 26, 3:30 PM CDT | Freeze Warning | TOP | 18 hr |
| Oct 26, 3:30 PM CDT | Wind Advisory | TOP | 4 hr |
| Oct 27, 1:57 PM CDT | Freeze Warning | TOP | 20 hr |
| Oct 31, 10:08 PM CDT | Dense Fog Advisory | TOP | 11 hr |
| Nov 2, 1:00 AM CST | Dense Fog Advisory | TOP | 8 hr |
| Nov 5, 4:00 AM CST | Wind Advisory | TOP | 10 hr |
| Nov 5, 5:06 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Nov 5, 7:08 PM CST | Mesoscale Discussion | SPC | 97 min |
| Nov 6, 3:56 AM CST | Wind Advisory | TOP | 13 hr |
| Dec 8, 4:16 PM CST | Winter Weather Advisory | TOP | 26 hr |
| Dec 12, 3:27 PM CST | Wind Advisory | TOP | 45 hr |
| Dec 14, 2:22 PM CST | Wind Chill Advisory | TOP | 20 hr |
| Dec 15, 3:44 PM CST | Winter Weather Advisory | TOP | 24 hr |
| Dec 17, 3:51 PM CST | Freezing Rain Advisory | TOP | 35 hr |
| Dec 18, 11:35 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 18, 6:46 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 20, 3:22 PM CST | Wind Chill Advisory | TOP | 21 hr |
| Dec 23, 4:04 AM CST | Winter Weather Advisory | TOP | 26 hr |
| Dec 26, 6:47 PM CST | Mesoscale Discussion | SPC | 58 min |
| Dec 26, 9:51 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 27, 5:59 AM CST | Freezing Rain Advisory | TOP | 4 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 archive20072009
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.