Alert archive / Nebraska / Butler County
Weather alerts in Butler County, Nebraska, 2018
135 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Butler County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 135
- Warnings
- 31
- Watches
- 25
- Advisories
- 32
- Busiest month
- June40 alerts
- Busiest day
- May 1, 20189 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Butler County in 2018 had a tornado report inside them.
Butler County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 21 | 10 | 52% | 13 | 100% | 29 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Omaha, NE: tornado warnings | 33 | 8 | 76% | 12 | 58% | 13 min |
| NWS Omaha, NE: severe thunderstorm warnings | 289 | 129 | 55% | 310 | 83% | 22 min |
| NWS Omaha, NE: flash flood warnings | 23 | 12 | 48% | 26 | 81% | 92 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 9, 2:48 AM CST | Winter Storm Watch | OAX | 35 hr |
| Jan 10, 3:29 AM CST | Winter Weather Advisory | OAX | 34 hr |
| Jan 14, 3:47 AM CST | Wind Chill Advisory | OAX | 56 hr |
| Jan 19, 3:49 AM CST | Winter Storm Watch | OAX | 48 hr |
| Jan 21, 3:58 AM CST | Blizzard Warning | OAX | 41 hr |
| Jan 21, 3:58 AM CST | Winter Weather Advisory | OAX | 41 hr |
| Jan 22, 2:02 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 22, 9:20 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 2:11 PM CST | Winter Weather Advisory | OAX | 7 hr |
| Feb 9, 3:20 PM CST | Winter Weather Advisory | OAX | 15 hr |
| Feb 18, 3:36 AM CST | Wind Advisory | OAX | 11 hr |
| Feb 18, 3:43 AM CST | Winter Weather Advisory | OAX | 31 hr |
| Feb 19, 3:47 AM CST | Winter Weather Advisory | OAX | 29 hr |
| Feb 21, 3:36 PM CST | Winter Weather Advisory | OAX | 33 hr |
| Feb 23, 4:02 AM CST | Winter Weather Advisory | OAX | 37 hr |
| Mar 3, 4:26 PM CST | Areal Flood Advisory | OAX | 24 hr |
| Mar 4, 2:24 PM CST | Winter Weather Advisory | OAX | 52 hr |
| Mar 4, 7:48 PM CST | Areal Flood Advisory | OAX | 24 hr |
| Mar 5, 3:54 AM CST | Wind Advisory | OAX | 25 hr |
| Mar 23, 11:29 PM CDT | Special Weather Statement | OAX | 46 min |
| Mar 31, 4:04 AM CDT | Winter Weather Advisory | OAX | 34 hr |
| Apr 2, 3:39 PM CDT | Winter Weather Advisory | OAX | 27 hr |
| Apr 2, 3:42 PM CDT | Wind Advisory | OAX | 28 hr |
| Apr 5, 3:56 AM CDT | Winter Weather Advisory | OAX | 38 hr |
| Apr 11, 3:30 PM CDT | Winter Storm Watch | OAX | 48 hr |
| Apr 12, 3:14 PM CDT | Blizzard Warning | OAX | 55 hr |
| Apr 13, 3:19 PM CDT | Winter Weather Advisory | OAX | 33 hr |
| Apr 29, 3:52 AM CDT | Wind Advisory | OAX | 39 hr |
| Apr 30, 2:13 PM CDT | Dust Storm Warning | OAX | 4 hr |
| May 1, 1:10 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 1, 2:47 PM CDT | Tornado Watch | SPC | 9 hr |
| May 1, 3:58 PM CDT | Severe Thunderstorm Warning | OAX | 32 min |
| May 1, 4:27 PM CDT | Severe Thunderstorm Warning | OAX | 33 min |
| May 1, 4:55 PM CDT | Severe Thunderstorm Warning | OAX | 50 min |
| May 1, 5:01 PM CDT | Tornado Warning | OAX | 29 min |
| May 1, 5:02 PM CDT | Severe Thunderstorm Warning | OAX | 43 min |
| May 1, 5:40 PM CDT | Severe Thunderstorm Warning | OAX | 50 min |
| May 1, 6:28 PM CDT | Severe Thunderstorm Warning | OAX | 32 min |
| May 1, 7:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 7:38 AM CDT | Special Weather Statement | OAX | 37 min |
| May 11, 1:13 AM CDT | Mesoscale Discussion | SPC | 92 min |
| May 11, 1:50 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 11, 1:57 AM CDT | Severe Thunderstorm Warning | OAX | 33 min |
| May 11, 4:24 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 22, 6:12 AM CDT | Special Weather Statement | OAX | 48 min |
| Jun 1, 2:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 3:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 1, 9:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 1, 10:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 1, 10:44 PM CDT | Severe Thunderstorm Warning | OAX | 61 min |
| Jun 6, 2:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 6, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 6, 6:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 6, 7:05 PM CDT | Special Weather Statement | OAX | 40 min |
| Jun 6, 7:32 PM CDT | Severe Thunderstorm Warning | OAX | 43 min |
| Jun 6, 7:56 PM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jun 6, 8:41 PM CDT | Severe Thunderstorm Warning | OAX | 34 min |
| Jun 6, 8:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 9, 1:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 9, 2:38 AM CDT | Severe Thunderstorm Warning | OAX | 52 min |
| Jun 9, 2:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 9, 2:53 AM CDT | Severe Thunderstorm Warning | OAX | 37 min |
| Jun 9, 3:00 AM CDT | Severe Thunderstorm Warning | OAX | 30 min |
| Jun 11, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 3:42 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 17, 3:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 18, 1:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 18, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 3:28 PM CDT | Flash Flood Watch | OAX | 13 hr |
| Jun 18, 5:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 18, 9:43 PM CDT | Special Weather Statement | OAX | 32 min |
| Jun 19, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 5:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 3:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 24, 9:54 PM CDT | Flash Flood Watch | OAX | 24 hr |
| Jun 25, 12:17 PM CDT | Areal Flood Warning | OAX | 9 hr |
| Jun 25, 5:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 11:11 PM CDT | River Flood Warning | OAX | 16 hr |
| Jun 26, 10:19 AM CDT | Areal Flood Warning | OAX | 9 hr |
| Jun 26, 3:30 PM CDT | Heat Advisory | OAX | 3 days |
| Jun 28, 7:20 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 8:12 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 12:40 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 30, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 6:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 30, 7:03 PM CDT | Severe Thunderstorm Warning | OAX | 42 min |
| Jun 30, 7:18 PM CDT | Severe Thunderstorm Warning | OAX | 31 min |
| Jun 30, 8:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 1, 12:14 AM CDT | Severe Thunderstorm Warning | OAX | 31 min |
| Jul 1, 12:39 AM CDT | Severe Thunderstorm Warning | OAX | 36 min |
| Jul 1, 12:48 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 8:41 AM CDT | River Flood Warning | OAX | 24 hr |
| Jul 4, 3:42 AM CDT | Heat Advisory | OAX | 16 hr |
| Jul 4, 8:26 PM CDT | Special Weather Statement | OAX | 49 min |
| Jul 5, 1:14 AM CDT | Special Weather Statement | OAX | 31 min |
| Jul 10, 3:25 PM CDT | Heat Advisory | OAX | 53 hr |
| Jul 13, 3:53 AM CDT | Flash Flood Watch | OAX | 17 hr |
| Jul 14, 4:47 AM CDT | Dense Fog Advisory | OAX | 5 hr |
| Jul 18, 6:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 9:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 19, 12:47 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 19, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 19, 1:19 AM CDT | Special Weather Statement | OAX | 26 min |
| Jul 25, 7:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 27, 9:22 PM CDT | Severe Thunderstorm Warning | OAX | 23 min |
| Jul 27, 9:44 PM CDT | Severe Thunderstorm Warning | OAX | 16 min |
| Aug 5, 9:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 10:04 PM CDT | Severe Thunderstorm Warning | OAX | 26 min |
| Aug 6, 2:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 19, 2:00 PM CDT | Flash Flood Watch | OAX | 25 hr |
| Aug 24, 6:36 AM CDT | Special Weather Statement | OAX | 24 min |
| Aug 24, 7:04 AM CDT | Special Weather Statement | OAX | 26 min |
| Aug 31, 8:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 1, 2:30 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 1, 5:15 PM CDT | Flash Flood Watch | OAX | 44 hr |
| Sep 18, 3:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 20, 2:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 20, 3:11 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 20, 4:29 PM CDT | Special Weather Statement | OAX | 31 min |
| Sep 20, 5:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Oct 3, 12:09 PM CDT | Wind Advisory | OAX | 9 hr |
| Oct 6, 3:30 PM CDT | Flood Watch | OAX | 3 days |
| Oct 10, 3:16 AM CDT | Freeze Watch | OAX | 13 hr |
| Oct 10, 3:54 PM CDT | Freeze Warning | OAX | 18 hr |
| Oct 13, 3:27 PM CDT | Freeze Watch | OAX | 12 hr |
| Oct 14, 3:10 AM CDT | Freeze Warning | OAX | 31 hr |
| Nov 23, 3:15 AM CST | Winter Storm Watch | OAX | 24 hr |
| Nov 23, 9:49 PM CST | Winter Weather Advisory | OAX | 38 hr |
| Nov 28, 2:20 PM CST | Winter Storm Watch | OAX | 49 hr |
| Nov 29, 9:45 PM CST | Dense Fog Advisory | OAX | 14 hr |
| Nov 30, 3:24 PM CST | Winter Weather Advisory | OAX | 51 hr |
| Dec 8, 2:11 AM CST | Dense Fog Advisory | OAX | 8 hr |
| Dec 25, 12:06 PM CST | Dense Fog Advisory | OAX | 3 hr |
| Dec 25, 6:18 PM CST | Dense Fog Advisory | OAX | 10 hr |
| Dec 26, 3:23 AM CST | Winter Weather Advisory | OAX | 57 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 | 21 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 36 |
| Special Weather Statement | 11 |
| Flooding | |
| Areal Flood Warning | 2 |
| River Flood Warning | 2 |
| Flash Flood Watch | 5 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 16 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Dust Storm Warning | 1 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.