Alert archive / Kansas / Harper County
Weather alerts in Harper County, Kansas, 2009
196 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Harper County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 196
- Warnings
- 53
- Watches
- 41
- Advisories
- 44
- Busiest month
- April38 alerts
- Busiest day
- April 26, 200915 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 4 tornado warnings covering Harper County in 2009 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 14 minutes after it went out.
Harper County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 1 | 75% | 2 | 100% | 14 min |
| Severe thunderstorm warnings | 28 | 18 | 36% | 24 | 67% | 26 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wichita, KS: tornado warnings | 61 | 15 | 75% | 35 | 80% | 12 min |
| NWS Wichita, KS: severe thunderstorm warnings | 379 | 201 | 47% | 581 | 77% | 26 min |
| NWS Wichita, KS: flash flood warnings | 29 | 24 | 17% | 74 | 92% | 158 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, 9:01 PM CST | Dense Fog Advisory | ICT | 13 hr |
| Jan 9, 3:26 AM CST | Wind Advisory | ICT | 20 hr |
| Jan 11, 3:39 PM CST | Wind Advisory | ICT | 30 hr |
| Jan 12, 3:08 AM CST | Red Flag Warning | ICT | 15 hr |
| Jan 26, 3:53 AM CST | Winter Weather Advisory | ICT | 36 hr |
| Jan 30, 3:14 PM CST | Fire Weather Watch | ICT | 12 hr |
| Jan 31, 2:53 AM CST | Red Flag Warning | ICT | 15 hr |
| Feb 5, 2:59 PM CST | Fire Weather Watch | ICT | 13 hr |
| Feb 6, 3:47 AM CST | Wind Advisory | ICT | 14 hr |
| Feb 6, 3:54 AM CST | Red Flag Warning | ICT | 14 hr |
| Feb 8, 4:12 AM CST | Fire Weather Watch | ICT | 23 hr |
| Feb 8, 3:38 PM CST | Wind Advisory | ICT | 26 hr |
| Feb 9, 3:10 AM CST | Red Flag Warning | ICT | 15 hr |
| Feb 10, 3:26 PM CST | Wind Advisory | ICT | 17 hr |
| Feb 13, 10:14 AM CST | Wind Advisory | ICT | 8 hr |
| Feb 16, 3:13 AM CST | Fire Weather Watch | ICT | 24 hr |
| Feb 16, 3:35 PM CST | Red Flag Warning | ICT | 26 hr |
| Feb 17, 2:38 AM CST | Wind Advisory | ICT | 15 hr |
| Feb 20, 3:39 PM CST | Wind Advisory | ICT | 14 hr |
| Feb 26, 5:45 AM CST | Dense Fog Advisory | ICT | 4 hr |
| Mar 4, 3:34 AM CST | Fire Weather Watch | ICT | 12 hr |
| Mar 4, 3:59 PM CST | Red Flag Warning | ICT | 27 hr |
| Mar 7, 2:32 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 7, 5:57 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 7:12 PM CST | Tornado Warning | ICT | 33 min |
| Mar 7, 8:27 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 7, 9:51 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 7, 11:11 PM CST | Severe Thunderstorm Warning | ICT | 23 min |
| Mar 9, 7:24 PM CDT | Severe Thunderstorm Warning | ICT | 36 min |
| Mar 12, 10:12 PM CDT | Winter Weather Advisory | ICT | 7 hr |
| Mar 20, 10:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 21, 1:14 PM CDT | Wind Advisory | ICT | 31 hr |
| Mar 22, 3:27 AM CDT | Fire Weather Watch | ICT | 24 hr |
| Mar 22, 3:27 AM CDT | Red Flag Warning | ICT | 17 hr |
| Mar 22, 3:25 PM CDT | Wind Advisory | ICT | 36 hr |
| Mar 23, 3:34 AM CDT | Red Flag Warning | ICT | 16 hr |
| Mar 23, 10:32 AM CDT | High Wind Warning | ICT | 8 hr |
| Mar 23, 12:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 23, 1:03 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 23, 3:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Mar 23, 5:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 23, 6:47 PM CDT | Tornado Watch | SPC | 5 hr |
| Mar 23, 11:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Mar 23, 11:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 23, 11:43 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 24, 6:32 AM CDT | Wind Advisory | ICT | 12 hr |
| Mar 25, 3:02 PM CDT | Winter Storm Watch | ICT | 46 hr |
| Mar 26, 3:47 PM CDT | Blizzard Warning | ICT | 47 hr |
| Mar 27, 8:04 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 27, 12:30 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 27, 7:12 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 27, 10:59 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 28, 2:18 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 30, 3:55 AM CDT | Wind Advisory | ICT | 18 hr |
| Apr 1, 3:19 AM CDT | Wind Advisory | ICT | 31 hr |
| Apr 3, 4:27 PM CDT | Wind Advisory | ICT | 52 hr |
| Apr 4, 3:46 AM CDT | Red Flag Warning | ICT | 17 hr |
| Apr 4, 11:42 AM CDT | High Wind Warning | ICT | 7 hr |
| Apr 9, 10:27 AM CDT | Wind Advisory | ICT | 15 hr |
| Apr 9, 12:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Apr 18, 2:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 18, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 23, 4:02 PM CDT | Wind Advisory | ICT | 27 hr |
| Apr 25, 1:23 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 25, 3:28 PM CDT | Flood Watch | ICT | 44 hr |
| Apr 25, 3:36 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 25, 3:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 25, 5:42 PM CDT | Severe Thunderstorm Warning | ICT | 63 min |
| Apr 25, 6:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 7:19 PM CDT | Severe Thunderstorm Warning | ICT | 56 min |
| Apr 25, 9:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 25, 10:39 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 25, 11:46 PM CDT | High Wind Warning | ICT | 3 hr |
| Apr 26, 1:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 26, 2:39 AM CDT | Tornado Watch | SPC | 3 hr |
| Apr 26, 10:19 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 26, 10:54 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 26, 11:07 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 2:19 PM CDT | Wind Advisory | ICT | 6 hr |
| Apr 26, 2:41 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 26, 5:24 PM CDT | Severe Thunderstorm Warning | ICT | 51 min |
| Apr 26, 5:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 26, 5:54 PM CDT | Severe Thunderstorm Warning | ICT | 36 min |
| Apr 26, 6:16 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 26, 7:06 PM CDT | Areal Flood Warning | ICT | 5 hr |
| Apr 26, 7:32 PM CDT | Flash Flood Warning | ICT | 4 hr |
| Apr 26, 8:27 PM CDT | Severe Thunderstorm Warning | ICT | 33 min |
| Apr 26, 8:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 9:27 PM CDT | Severe Thunderstorm Warning | ICT | 33 min |
| Apr 26, 10:56 PM CDT | Flash Flood Warning | ICT | 6 hr |
| Apr 29, 3:11 AM CDT | Flash Flood Watch | ICT | 4 days |
| Apr 29, 4:47 AM CDT | Severe Thunderstorm Warning | ICT | 34 min |
| May 7, 10:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 12:02 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 8, 2:50 AM CDT | Mesoscale Discussion | SPC | 55 min |
| May 8, 4:31 AM CDT | Mesoscale Discussion | SPC | 59 min |
| May 12, 9:10 AM CDT | Mesoscale Discussion | SPC | 65 min |
| May 13, 3:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 15, 2:44 PM CDT | Mesoscale Discussion | SPC | 31 min |
| May 15, 3:02 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 3:29 PM CDT | Flood Watch | ICT | 8 hr |
| May 15, 4:52 PM CDT | Severe Thunderstorm Warning | ICT | 53 min |
| May 15, 5:30 PM CDT | Severe Thunderstorm Warning | ICT | 60 min |
| May 15, 5:48 PM CDT | Tornado Warning | ICT | 42 min |
| May 15, 5:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 15, 6:24 PM CDT | Severe Thunderstorm Warning | ICT | 66 min |
| Jun 2, 3:20 AM CDT | Flood Watch | ICT | 20 hr |
| Jun 7, 4:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 7, 5:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 7, 5:43 PM CDT | Severe Thunderstorm Warning | ICT | 62 min |
| Jun 7, 6:38 PM CDT | Severe Thunderstorm Warning | ICT | 63 min |
| Jun 7, 7:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 7, 9:53 PM CDT | Severe Thunderstorm Warning | ICT | 52 min |
| Jun 7, 11:31 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 9, 1:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 9, 2:34 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 9, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 12, 1:01 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 12, 2:04 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 6:23 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 12, 6:35 AM CDT | Severe Thunderstorm Warning | ICT | 85 min |
| Jun 13, 7:43 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 13, 10:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 14, 1:29 AM CDT | Areal Flood Warning | ICT | 6 hr |
| Jun 14, 10:15 PM CDT | Severe Thunderstorm Warning | ICT | 60 min |
| Jun 14, 10:38 PM CDT | Tornado Warning | ICT | 50 min |
| Jun 14, 10:54 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 15, 3:51 PM CDT | Flash Flood Watch | ICT | 15 hr |
| Jun 15, 6:01 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 15, 7:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 15, 8:19 PM CDT | Severe Thunderstorm Warning | ICT | 56 min |
| Jun 15, 8:54 PM CDT | Severe Thunderstorm Warning | ICT | 47 min |
| Jun 16, 4:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 16, 8:26 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 20, 2:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 23, 1:16 PM CDT | Heat Advisory | ICT | 38 hr |
| Jun 25, 2:21 PM CDT | Heat Advisory | ICT | 5 hr |
| Jun 27, 2:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 5:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 9:59 AM CDT | Heat Advisory | ICT | 10 hr |
| Jul 10, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 11, 12:32 PM CDT | Heat Advisory | ICT | 7 hr |
| Jul 12, 4:02 AM CDT | Excessive Heat Warning | ICT | 65 hr |
| Jul 15, 11:13 PM CDT | Severe Thunderstorm Warning | ICT | 47 min |
| Jul 20, 3:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 5:53 PM CDT | Tornado Watch | SPC | 8 hr |
| Jul 20, 7:46 PM CDT | Tornado Warning | ICT | 44 min |
| Jul 20, 8:12 PM CDT | Severe Thunderstorm Warning | ICT | 63 min |
| Jul 20, 8:38 PM CDT | Severe Thunderstorm Warning | ICT | 37 min |
| Jul 21, 12:30 AM CDT | Severe Thunderstorm Warning | ICT | 60 min |
| Jul 21, 1:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 28, 3:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 28, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 5:06 PM CDT | Severe Thunderstorm Warning | ICT | 39 min |
| Jul 28, 5:39 PM CDT | Severe Thunderstorm Warning | ICT | 11 min |
| Aug 10, 2:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 15, 5:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 17, 7:43 AM CDT | Severe Thunderstorm Warning | ICT | 62 min |
| Aug 17, 11:48 AM CDT | Flood Watch | ICT | 38 hr |
| Aug 17, 9:09 PM CDT | Severe Thunderstorm Warning | ICT | 47 min |
| Aug 19, 4:02 PM CDT | Tornado Watch | SPC | 7 hr |
| Aug 19, 9:18 PM CDT | Mesoscale Discussion | SPC | 27 min |
| Aug 26, 2:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 26, 7:45 PM CDT | Severe Thunderstorm Warning | ICT | 45 min |
| Sep 4, 9:48 PM CDT | Dense Fog Advisory | ICT | 10 hr |
| Sep 5, 10:07 PM CDT | Dense Fog Advisory | ICT | 12 hr |
| Sep 8, 6:10 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 8, 6:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 3:52 PM CDT | Dense Fog Advisory | ICT | 18 hr |
| Sep 11, 4:16 PM CDT | Areal Flood Warning | ICT | 4 hr |
| Sep 12, 8:30 AM CDT | Areal Flood Warning | ICT | 7 hr |
| Sep 25, 1:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 25, 11:53 PM CDT | Dense Fog Advisory | ICT | 9 hr |
| Sep 30, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 30, 7:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 8, 2:51 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 23, 2:14 AM CDT | Frost Advisory | ICT | 31 hr |
| Oct 30, 2:42 PM CDT | Frost Advisory | ICT | 18 hr |
| Nov 4, 3:49 AM CST | Frost Advisory | ICT | 28 hr |
| Nov 12, 11:15 AM CST | Wind Advisory | ICT | 7 hr |
| Nov 17, 6:07 AM CST | Freeze Watch | ICT | 3 hr |
| Nov 20, 3:44 PM CST | Dense Fog Advisory | ICT | 15 hr |
| Nov 22, 8:24 PM CST | Dense Fog Advisory | ICT | 18 hr |
| Nov 23, 4:01 PM CST | Wind Advisory | ICT | 11 hr |
| Dec 5, 3:50 PM CST | Winter Weather Advisory | ICT | 31 hr |
| Dec 7, 4:12 AM CST | Winter Weather Advisory | ICT | 39 hr |
| Dec 12, 7:27 PM CST | Freezing Fog Advisory | ICT | 8 hr |
| Dec 13, 3:12 AM CST | Dense Fog Advisory | ICT | 10 hr |
| Dec 21, 4:21 AM CST | Blizzard Watch | ICT | 35 hr |
| Dec 21, 3:00 PM CST | Winter Storm Watch | ICT | 38 hr |
| Dec 23, 4:50 AM CST | Blizzard Watch | ICT | 11 hr |
| Dec 23, 5:25 AM CST | Dense Fog Advisory | ICT | 7 hr |
| Dec 23, 10:03 AM CST | Winter Storm Warning | ICT | 46 hr |
| Dec 24, 10:25 AM CST | Winter Weather Advisory | ICT | 17 hr |
| Dec 25, 3:31 AM CST | Wind Advisory | ICT | 13 hr |
| Dec 30, 10:16 AM CST | Dense Fog Advisory | ICT | 2 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 | 28 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 13 |
| Mesoscale Discussion | 58 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Flood Watch | 4 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 1 |
| Blizzard Watch | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 3 |
| Wind Advisory | 20 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.