Alert archive / Nebraska / Rock County
Weather alerts in Rock County, Nebraska, 2026
137 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Rock County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 137
- Warnings
- 60
- Watches
- 29
- Advisories
- 16
- Busiest month
- August27 alerts
- Busiest day
- September 1, 20268 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Rock County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 27 | 19 | 30% | 8 | 88% | 26 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 12 | 0 | 100% | 4 | 0% | |
| NWS North Platte, NE: severe thunderstorm warnings | 450 | 219 | 51% | 404 | 88% | 26 min |
| NWS North Platte, NE: flash flood warnings | 5 | 1 | 80% | 1 | 100% | 84 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
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, 2:15 AM CST | Winter Weather Advisory | LBF | 19 hr |
| Jan 2, 12:34 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 14, 2:01 AM CST | High Wind Watch | LBF | 33 hr |
| Jan 15, 11:25 AM CST | High Wind Warning | LBF | 31 hr |
| Jan 16, 2:50 AM CST | Winter Weather Advisory | LBF | 21 hr |
| Jan 16, 1:06 PM CST | Cold Weather Advisory | LBF | 22 hr |
| Jan 18, 11:16 AM CST | Snow Squall Warning | LBF | 44 min |
| Jan 18, 1:04 PM CST | Snow Squall Warning | LBF | 26 min |
| Jan 21, 2:55 AM CST | Extreme Cold Watch | LBF | 24 hr |
| Jan 22, 2:53 AM CST | Cold Weather Advisory | LBF | 57 hr |
| Jan 22, 2:53 AM CST | Extreme Cold Warning | LBF | 33 hr |
| Jan 25, 1:52 AM CST | Cold Weather Advisory | LBF | 31 hr |
| Jan 30, 2:09 PM CST | Cold Weather Advisory | LBF | 19 hr |
| Feb 8, 2:50 PM CST | Red Flag Warning | LBF | 27 hr |
| Feb 13, 12:40 PM CST | Fire Weather Watch | LBF | 24 hr |
| Feb 14, 12:49 PM CST | Red Flag Warning | LBF | 29 hr |
| Feb 15, 10:36 PM CST | Fire Weather Watch | LBF | 13 hr |
| Feb 16, 11:26 AM CST | Red Flag Warning | LBF | 35 hr |
| Feb 18, 11:33 AM CST | Winter Weather Advisory | LBF | 36 hr |
| Feb 26, 10:47 PM CST | Red Flag Warning | LBF | 19 hr |
| Mar 3, 11:17 PM CST | Dense Fog Advisory | LBF | 11 hr |
| Mar 5, 11:55 AM CST | Winter Weather Advisory | LBF | 39 hr |
| Mar 8, 12:56 AM CST | Fire Weather Watch | LBF | 12 hr |
| Mar 8, 2:11 PM CDT | Red Flag Warning | LBF | 30 hr |
| Mar 10, 2:20 PM CDT | Fire Weather Watch | LBF | 21 hr |
| Mar 11, 11:33 AM CDT | High Wind Warning | LBF | 39 hr |
| Mar 11, 11:49 AM CDT | Red Flag Warning | LBF | 40 hr |
| Mar 13, 11:40 AM CDT | Red Flag Warning | LBF | 33 hr |
| Mar 13, 11:52 AM CDT | High Wind Watch | LBF | 23 hr |
| Mar 14, 11:20 AM CDT | Winter Weather Advisory | LBF | 32 hr |
| Mar 14, 11:21 AM CDT | High Wind Warning | LBF | 32 hr |
| Mar 16, 12:30 PM CDT | Red Flag Warning | LBF | 33 hr |
| Mar 17, 2:08 AM CDT | Fire Weather Watch | LBF | 12 hr |
| Mar 17, 2:06 PM CDT | Red Flag Warning | LBF | 30 hr |
| Mar 19, 3:08 AM CDT | Fire Weather Watch | LBF | 29 hr |
| Mar 20, 8:27 AM CDT | Red Flag Warning | LBF | 44 hr |
| Mar 23, 2:04 PM CDT | Fire Weather Watch | LBF | 18 hr |
| Mar 24, 8:21 AM CDT | Red Flag Warning | LBF | 51 hr |
| Mar 26, 1:45 PM CDT | Fire Weather Watch | LBF | 18 hr |
| Mar 27, 7:52 AM CDT | Red Flag Warning | LBF | 37 hr |
| Mar 29, 12:50 PM CDT | Red Flag Warning | LBF | 42 hr |
| Apr 10, 2:16 PM CDT | Fire Weather Watch | LBF | 24 hr |
| Apr 11, 1:47 PM CDT | Red Flag Warning | LBF | 30 hr |
| Apr 12, 12:51 AM CDT | Fire Weather Watch | LBF | 23 hr |
| Apr 13, 12:01 AM CDT | Red Flag Warning | LBF | 21 hr |
| Apr 14, 12:15 PM CDT | Fire Weather Watch | LBF | 23 hr |
| Apr 15, 11:44 AM CDT | Red Flag Warning | LBF | 36 hr |
| Apr 17, 11:58 AM CDT | Red Flag Warning | LBF | 32 hr |
| Apr 19, 1:33 PM CDT | Red Flag Warning | LBF | 31 hr |
| Apr 21, 2:31 AM CDT | Fire Weather Watch | LBF | 11 hr |
| Apr 21, 1:36 PM CDT | Red Flag Warning | LBF | 34 hr |
| Apr 22, 12:50 PM CDT | Red Flag Warning | LBF | 31 hr |
| Apr 22, 7:06 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 1, 1:16 PM CDT | Freeze Warning | LBF | 19 hr |
| May 10, 12:57 AM CDT | Fire Weather Watch | LBF | 11 hr |
| May 10, 12:24 PM CDT | Red Flag Warning | LBF | 34 hr |
| May 12, 12:58 PM CDT | Fire Weather Watch | LBF | 8 hr |
| May 12, 9:24 PM CDT | Red Flag Warning | LBF | 48 hr |
| May 15, 12:27 PM CDT | Red Flag Warning | LBF | 7 hr |
| May 17, 11:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| May 17, 1:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 17, 1:20 PM CDT | Severe Thunderstorm Warning | LBF | 40 min |
| May 17, 1:42 PM CDT | Tornado Watch | SPC | 8 hr |
| May 19, 11:20 AM CDT | Frost Advisory | LBF | 20 hr |
| May 25, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 9:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 3, 5:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 9, 5:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 9, 5:46 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 9, 7:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 9, 9:16 PM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| Jun 9, 9:24 PM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Jun 9, 10:09 PM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Jun 13, 4:33 AM CDT | Severe Thunderstorm Warning | LBF | 42 min |
| Jun 15, 10:47 PM CDT | Fire Weather Watch | LBF | 24 hr |
| Jun 16, 10:41 PM CDT | Red Flag Warning | LBF | 22 hr |
| Jun 20, 1:34 PM CDT | Severe Thunderstorm Warning | LBF | 41 min |
| Jun 28, 1:01 AM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| Jun 30, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 10:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 1:06 AM CDT | Severe Thunderstorm Warning | LBF | 54 min |
| Jul 1, 1:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 2, 7:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 2, 11:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 4:53 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 17, 12:06 PM CDT | Heat Advisory | LBF | 3 days |
| Jul 23, 11:49 PM CDT | Heat Advisory | LBF | 4 days |
| Jul 25, 12:48 AM CDT | Extreme Heat Warning | LBF | 54 hr |
| Jul 25, 5:40 PM CDT | Heat Advisory | LBF | 51 hr |
| Jul 26, 5:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 30, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 1:44 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 3:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 5:04 PM CDT | Severe Thunderstorm Warning | LBF | 41 min |
| Jul 30, 5:43 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| Jul 30, 6:25 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| Aug 4, 8:17 AM CDT | Special Weather Statement | LBF | 43 min |
| Aug 9, 7:22 AM CDT | Dense Fog Advisory | LBF | 3 hr |
| Aug 11, 10:24 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 12, 12:53 AM CDT | Severe Thunderstorm Warning | LBF | 52 min |
| Aug 12, 1:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 12, 1:22 AM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Aug 12, 1:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 12, 1:59 AM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Aug 12, 2:35 AM CDT | Severe Thunderstorm Warning | LBF | 40 min |
| Aug 12, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 12, 10:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 13, 1:13 AM CDT | Special Weather Statement | LBF | 47 min |
| Aug 17, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 17, 7:05 PM CDT | Severe Thunderstorm Warning | LBF | 40 min |
| Aug 17, 8:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 17, 9:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 17, 9:37 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Aug 17, 10:15 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| Aug 17, 10:20 PM CDT | Severe Thunderstorm Warning | LBF | 40 min |
| Aug 17, 11:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 19, 4:14 AM CDT | Special Weather Statement | LBF | 46 min |
| Aug 19, 7:55 AM CDT | Severe Thunderstorm Warning | LBF | 65 min |
| Aug 19, 8:29 AM CDT | Severe Thunderstorm Warning | LBF | 61 min |
| Aug 20, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 22, 1:42 AM CDT | Special Weather Statement | LBF | 48 min |
| Aug 22, 1:53 AM CDT | Severe Thunderstorm Warning | LBF | 52 min |
| Aug 22, 2:14 AM CDT | Special Weather Statement | LBF | 46 min |
| Sep 1, 3:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 1, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 1, 5:16 PM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| Sep 1, 5:42 PM CDT | Severe Thunderstorm Warning | LBF | 63 min |
| Sep 1, 5:44 PM CDT | Severe Thunderstorm Warning | LBF | 15 min |
| Sep 1, 5:56 PM CDT | Severe Thunderstorm Warning | LBF | 49 min |
| Sep 1, 6:26 PM CDT | Severe Thunderstorm Warning | LBF | 49 min |
| Sep 1, 6:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 7:29 PM CDT | Special Weather Statement | LBF | 46 min |
| Sep 3, 11:18 AM CDT | Special Weather Statement | LBF | 42 min |
| Sep 5, 7:43 AM CDT | Special Weather Statement | LBF | 47 min |
| Sep 10, 1:32 PM CDT | Red Flag Warning | LBF | 30 hr |
| Sep 16, 11:32 PM CDT | Dense Fog Advisory | LBF | 10 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 | 27 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 8 |
| Winter | |
| Snow Squall Warning | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Extreme Heat Warning | 1 |
| Heat Advisory | 3 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 1 |
| Extreme Cold Watch | 1 |
| Cold Weather Advisory | 4 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 25 |
| Fire Weather Watch | 15 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.