Alert archive / Nebraska / Seward County
Weather alerts in Seward County, Nebraska, 2025
156 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Seward County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 156
- Warnings
- 45
- Watches
- 32
- Advisories
- 46
- Busiest month
- July27 alerts
- Busiest day
- September 1, 20257 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Seward County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 22 | 17 | 23% | 20 | 95% | 28 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Omaha, NE: tornado warnings | 23 | 10 | 57% | 31 | 74% | 20 min |
| NWS Omaha, NE: severe thunderstorm warnings | 271 | 127 | 53% | 461 | 87% | 24 min |
| NWS Omaha, NE: flash flood warnings | 17 | 6 | 65% | 11 | 64% | 58 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, 1:43 AM CST | Winter Storm Watch | OAX | 37 hr |
| Jan 3, 2:33 PM CST | Winter Weather Advisory | OAX | 47 hr |
| Jan 17, 1:13 PM CST | Cold Weather Advisory | OAX | 4 days |
| Feb 4, 1:44 PM CST | Winter Weather Advisory | OAX | 31 hr |
| Feb 7, 1:14 PM CST | Winter Weather Advisory | OAX | 17 hr |
| Feb 11, 2:49 AM CST | Winter Weather Advisory | OAX | 39 hr |
| Feb 12, 2:31 AM CST | Cold Weather Advisory | OAX | 31 hr |
| Feb 14, 1:14 PM CST | Winter Weather Advisory | OAX | 29 hr |
| Feb 16, 3:36 AM CST | Extreme Cold Watch | OAX | 59 hr |
| Feb 16, 3:37 AM CST | Winter Weather Advisory | OAX | 62 hr |
| Feb 17, 2:51 AM CST | Cold Weather Advisory | OAX | 57 hr |
| Feb 17, 2:51 AM CST | Extreme Cold Warning | OAX | 33 hr |
| Feb 18, 2:21 PM CST | Extreme Cold Warning | OAX | 43 hr |
| Feb 20, 3:21 AM CST | Cold Weather Advisory | OAX | 30 hr |
| Feb 26, 2:42 PM CST | Fire Weather Watch | OAX | 23 hr |
| Feb 27, 1:36 PM CST | Red Flag Warning | OAX | 29 hr |
| Mar 2, 1:50 PM CST | High Wind Watch | OAX | 25 hr |
| Mar 3, 3:51 AM CST | Winter Storm Watch | OAX | 11 hr |
| Mar 3, 2:45 PM CST | Winter Weather Advisory | OAX | 36 hr |
| Mar 3, 3:06 PM CST | High Wind Warning | OAX | 45 hr |
| Mar 4, 5:06 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 9, 3:05 AM CDT | Fire Weather Watch | OAX | 12 hr |
| Mar 9, 2:51 PM CDT | Red Flag Warning | OAX | 29 hr |
| Mar 14, 10:50 AM CDT | Wind Advisory | OAX | 26 hr |
| Mar 14, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 14, 4:09 PM CDT | Severe Thunderstorm Warning | OAX | 51 min |
| Mar 14, 4:38 PM CDT | Dust Storm Advisory | OAX | 52 min |
| Mar 14, 5:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 16, 11:58 AM CDT | Fire Weather Watch | OAX | 15 hr |
| Mar 16, 3:10 PM CDT | Winter Storm Watch | OAX | 36 hr |
| Mar 17, 2:40 AM CDT | Red Flag Warning | OAX | 16 hr |
| Mar 17, 3:24 PM CDT | High Wind Watch | OAX | 12 hr |
| Mar 18, 3:07 AM CDT | High Wind Warning | OAX | 40 hr |
| Mar 18, 3:13 AM CDT | Blizzard Warning | OAX | 41 hr |
| Mar 19, 5:54 AM CDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 27, 2:22 PM CDT | Fire Weather Watch | OAX | 12 hr |
| Mar 28, 2:03 AM CDT | Red Flag Warning | OAX | 18 hr |
| Mar 31, 2:03 PM CDT | Wind Advisory | OAX | 28 hr |
| Apr 1, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 1, 8:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 10, 2:44 AM CDT | Red Flag Warning | OAX | 17 hr |
| Apr 13, 2:33 AM CDT | Fire Weather Watch | OAX | 12 hr |
| Apr 13, 2:35 PM CDT | Red Flag Warning | OAX | 30 hr |
| Apr 17, 2:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 4:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 17, 5:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 17, 5:53 PM CDT | Severe Thunderstorm Warning | OAX | 52 min |
| Apr 17, 6:33 PM CDT | Severe Thunderstorm Warning | OAX | 42 min |
| Apr 20, 2:26 PM CDT | Frost Advisory | OAX | 18 hr |
| Apr 24, 4:33 PM CDT | Severe Thunderstorm Warning | OAX | 42 min |
| Apr 28, 3:19 AM CDT | Red Flag Warning | OAX | 18 hr |
| May 14, 2:15 PM CDT | Wind Advisory | OAX | 30 hr |
| May 15, 1:54 PM CDT | Wind Advisory | OAX | 31 hr |
| May 19, 12:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 19, 1:11 PM CDT | Tornado Watch | SPC | 7 hr |
| May 19, 3:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 5:48 PM CDT | Severe Thunderstorm Warning | OAX | 29 min |
| May 19, 6:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 2:56 AM CDT | Dense Fog Advisory | OAX | 7 hr |
| Jun 2, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 2, 11:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 16, 4:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 16, 5:11 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 7:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 16, 9:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 18, 1:42 PM CDT | Extreme Heat Watch | OAX | 24 hr |
| Jun 19, 1:42 PM CDT | Extreme Heat Warning | OAX | 3 days |
| Jun 19, 11:33 PM CDT | Severe Thunderstorm Warning | OAX | 42 min |
| Jun 21, 10:53 AM CDT | Wind Advisory | OAX | 9 hr |
| Jun 22, 2:04 AM CDT | Wind Advisory | OAX | 18 hr |
| Jun 23, 2:34 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 11:08 AM CDT | Flood Watch | OAX | 20 hr |
| Jul 2, 5:37 AM CDT | Special Weather Statement | OAX | 23 min |
| Jul 7, 3:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 7, 7:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 7, 9:04 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 10, 1:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 3:12 AM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Jul 10, 3:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 10, 6:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 7:46 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 10:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 15, 8:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 15, 10:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 10:51 PM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Jul 15, 11:29 PM CDT | Severe Thunderstorm Warning | OAX | 31 min |
| Jul 16, 4:20 AM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jul 20, 2:40 PM CDT | Heat Advisory | OAX | 23 hr |
| Jul 23, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 25, 2:59 AM CDT | Dense Fog Advisory | OAX | 4 hr |
| Jul 25, 7:55 AM CDT | Dense Fog Advisory | OAX | 64 min |
| Jul 26, 2:46 AM CDT | Extreme Heat Watch | OAX | 11 hr |
| Jul 26, 2:46 AM CDT | Extreme Heat Watch | OAX | 11 hr |
| Jul 26, 1:55 PM CDT | Extreme Heat Warning | OAX | 55 hr |
| Jul 28, 2:42 PM CDT | Heat Advisory | OAX | 29 hr |
| Jul 29, 2:39 PM CDT | Flood Watch | OAX | 14 hr |
| Jul 29, 8:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 29, 9:48 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 11:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 7:17 AM CDT | Special Weather Statement | OAX | 28 min |
| Aug 6, 8:02 AM CDT | Special Weather Statement | OAX | 28 min |
| Aug 7, 2:19 PM CDT | Heat Advisory | OAX | 30 hr |
| Aug 9, 2:17 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 4:10 AM CDT | Severe Thunderstorm Warning | OAX | 50 min |
| Aug 9, 4:22 AM CDT | Severe Thunderstorm Warning | OAX | 38 min |
| Aug 9, 4:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 9, 4:57 AM CDT | Severe Thunderstorm Warning | OAX | 48 min |
| Aug 9, 5:49 AM CDT | Areal Flood Advisory | OAX | 3 hr |
| Aug 9, 7:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 9, 8:46 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 10, 1:43 AM CDT | Severe Thunderstorm Warning | OAX | 62 min |
| Aug 10, 1:52 AM CDT | Areal Flood Advisory | OAX | 2 hr |
| Aug 10, 3:55 AM CDT | Areal Flood Warning | OAX | 5 hr |
| Aug 14, 3:20 AM CDT | Heat Advisory | OAX | 41 hr |
| Aug 14, 3:20 AM CDT | Heat Advisory | OAX | 65 hr |
| Aug 18, 1:50 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 22, 4:34 PM CDT | Severe Thunderstorm Warning | OAX | 41 min |
| Aug 22, 5:04 PM CDT | Severe Thunderstorm Warning | OAX | 41 min |
| Aug 22, 5:37 PM CDT | Severe Thunderstorm Warning | OAX | 38 min |
| Sep 1, 2:09 AM CDT | Flash Flood Warning | OAX | 3 hr |
| Sep 1, 2:41 AM CDT | Flood Watch | OAX | 9 hr |
| Sep 1, 3:13 AM CDT | Flash Flood Warning | OAX | 3 hr |
| Sep 1, 5:03 AM CDT | Areal Flood Warning | OAX | 5 hr |
| Sep 1, 6:05 AM CDT | Areal Flood Advisory | OAX | 97 min |
| Sep 1, 7:40 AM CDT | Areal Flood Warning | OAX | 4 hr |
| Sep 1, 9:46 AM CDT | Areal Flood Advisory | OAX | 119 min |
| Sep 9, 2:12 AM CDT | Severe Thunderstorm Warning | OAX | 30 min |
| Sep 14, 2:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 14, 2:47 PM CDT | Severe Thunderstorm Warning | OAX | 25 min |
| Sep 14, 2:52 PM CDT | Severe Thunderstorm Warning | OAX | 38 min |
| Sep 14, 2:58 PM CDT | Severe Thunderstorm Warning | OAX | 32 min |
| Sep 14, 3:16 PM CDT | Severe Thunderstorm Warning | OAX | 29 min |
| Sep 16, 2:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Oct 14, 7:12 PM CDT | Dense Fog Advisory | OAX | 14 hr |
| Oct 21, 1:30 PM CDT | Frost Advisory | OAX | 20 hr |
| Oct 22, 2:25 AM CDT | Frost Advisory | OAX | 31 hr |
| Oct 28, 10:49 AM CDT | Wind Advisory | OAX | 20 hr |
| Oct 29, 2:23 AM CDT | Freeze Watch | OAX | 12 hr |
| Oct 29, 1:59 PM CDT | Freeze Warning | OAX | 20 hr |
| Nov 17, 8:49 PM CST | Severe Thunderstorm Warning | OAX | 13 min |
| Nov 20, 5:05 AM CST | Dense Fog Advisory | OAX | 7 hr |
| Nov 24, 1:56 PM CST | Wind Advisory | OAX | 34 hr |
| Nov 27, 3:20 PM CST | Winter Weather Advisory | OAX | 57 hr |
| Dec 9, 3:01 AM CST | Wind Advisory | OAX | 30 hr |
| Dec 16, 1:53 PM CST | High Wind Watch | OAX | 12 hr |
| Dec 17, 2:18 AM CST | High Wind Warning | OAX | 40 hr |
| Dec 24, 1:15 AM CST | Dense Fog Advisory | OAX | 11 hr |
| Dec 24, 1:38 PM CST | Dense Fog Advisory | OAX | 22 hr |
| Dec 25, 3:37 PM CST | Dense Fog Advisory | OAX | 14 hr |
| Dec 27, 1:41 PM CST | Wind Advisory | OAX | 19 hr |
| Dec 27, 2:03 PM CST | Winter Weather Advisory | OAX | 28 hr |
| Dec 28, 8:14 AM CST | High Wind Warning | OAX | 6 hr |
| Dec 28, 8:29 AM CST | Special Weather Statement | OAX | 2 hr |
| Dec 28, 10:25 AM CST | Special Weather Statement | OAX | 65 min |
| Dec 28, 11:44 AM CST | Snow Squall Warning | OAX | 61 min |
| Dec 28, 2:27 PM CST | Wind Advisory | OAX | 3 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 archive20242026
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.