Alert archive / Nebraska / Merrick County
Weather alerts in Merrick County, Nebraska, 2025
185 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Merrick County and its neighbors
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Alerts
- 185
- Warnings
- 54
- Watches
- 37
- Advisories
- 40
- Busiest month
- July44 alerts
- Busiest day
- July 10, 202511 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Merrick County, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 25 | 17 | 32% | 4 | 75% | 13 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hastings, NE: tornado warnings | 5 | 0 | 100% | 2 | 0% | |
| NWS Hastings, NE: severe thunderstorm warnings | 251 | 125 | 50% | 392 | 84% | 23 min |
| NWS Hastings, NE: flash flood warnings | 15 | 4 | 73% | 10 | 90% | 102 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 3, 1:16 PM CST | Winter Weather Advisory | GID | 53 hr |
| Jan 5, 3:10 AM CST | Cold Weather Advisory | GID | 32 hr |
| Jan 17, 2:20 PM CST | Cold Weather Advisory | GID | 4 days |
| Feb 11, 3:01 AM CST | Winter Weather Advisory | GID | 36 hr |
| Feb 12, 2:19 AM CST | Cold Weather Advisory | GID | 32 hr |
| Feb 14, 1:45 PM CST | Winter Weather Advisory | GID | 22 hr |
| Feb 15, 1:51 PM CST | Cold Weather Advisory | GID | 19 hr |
| Feb 15, 2:06 PM CST | Winter Weather Advisory | GID | 3 days |
| Feb 16, 3:22 AM CST | Extreme Cold Watch | GID | 24 hr |
| Feb 17, 3:15 AM CST | Extreme Cold Warning | GID | 3 days |
| Feb 20, 3:05 AM CST | Cold Weather Advisory | GID | 30 hr |
| Feb 26, 2:30 PM CST | Fire Weather Watch | GID | 23 hr |
| Feb 27, 1:50 PM CST | Red Flag Warning | GID | 29 hr |
| Mar 2, 3:01 AM CST | High Wind Watch | GID | 36 hr |
| Mar 3, 2:38 AM CST | Winter Storm Watch | GID | 13 hr |
| Mar 3, 3:14 PM CST | Winter Weather Advisory | GID | 33 hr |
| Mar 3, 3:28 PM CST | High Wind Warning | GID | 43 hr |
| Mar 3, 11:16 PM CST | Special Weather Statement | GID | 29 min |
| Mar 3, 11:37 PM CST | Special Weather Statement | GID | 38 min |
| Mar 4, 4:03 PM CST | Snow Squall Warning | GID | 42 min |
| Mar 4, 5:06 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 6, 2:47 AM CST | Winter Weather Advisory | GID | 33 hr |
| Mar 9, 1:44 AM CST | Fire Weather Watch | GID | 12 hr |
| Mar 9, 2:21 PM CDT | Red Flag Warning | GID | 30 hr |
| Mar 11, 1:58 PM CDT | Fire Weather Watch | GID | 23 hr |
| Mar 12, 12:42 PM CDT | Red Flag Warning | GID | 32 hr |
| Mar 13, 2:04 PM CDT | High Wind Watch | GID | 11 hr |
| Mar 14, 1:24 AM CDT | High Wind Warning | GID | 28 hr |
| Mar 14, 2:48 AM CDT | Fire Weather Watch | GID | 23 hr |
| Mar 14, 4:39 PM CDT | Special Weather Statement | GID | 51 min |
| Mar 14, 5:32 PM CDT | Special Weather Statement | GID | 43 min |
| Mar 15, 1:24 AM CDT | Red Flag Warning | GID | 19 hr |
| Mar 16, 3:13 PM CDT | Winter Storm Watch | GID | 35 hr |
| Mar 16, 3:18 PM CDT | Fire Weather Watch | GID | 12 hr |
| Mar 17, 3:35 AM CDT | Red Flag Warning | GID | 16 hr |
| Mar 17, 2:09 PM CDT | High Wind Watch | GID | 12 hr |
| Mar 18, 2:22 AM CDT | High Wind Warning | GID | 41 hr |
| Mar 18, 2:25 AM CDT | Blizzard Warning | GID | 38 hr |
| Mar 19, 12:32 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 19, 5:54 AM CDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 22, 4:03 AM CDT | Fire Weather Watch | GID | 24 hr |
| Mar 23, 4:08 AM CDT | Red Flag Warning | GID | 16 hr |
| Apr 1, 6:54 PM CDT | Special Weather Statement | GID | 21 min |
| Apr 1, 7:03 PM CDT | Severe Thunderstorm Warning | GID | 42 min |
| Apr 1, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 1, 7:43 PM CDT | Severe Thunderstorm Warning | GID | 47 min |
| Apr 1, 7:59 PM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Apr 1, 8:40 PM CDT | Severe Thunderstorm Warning | GID | 35 min |
| Apr 1, 9:14 PM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Apr 1, 9:58 PM CDT | Severe Thunderstorm Warning | GID | 47 min |
| Apr 10, 1:34 AM CDT | Red Flag Warning | GID | 18 hr |
| Apr 13, 2:37 AM CDT | Fire Weather Watch | GID | 12 hr |
| Apr 13, 2:45 PM CDT | Red Flag Warning | GID | 30 hr |
| Apr 17, 4:38 PM CDT | Severe Thunderstorm Warning | GID | 14 min |
| Apr 17, 4:48 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 17, 5:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 20, 2:29 PM CDT | Frost Advisory | GID | 18 hr |
| Apr 28, 6:48 PM CDT | Special Weather Statement | GID | 27 min |
| Apr 28, 7:10 PM CDT | Special Weather Statement | GID | 35 min |
| May 2, 3:44 AM CDT | Frost Advisory | GID | 29 hr |
| May 2, 3:00 PM CDT | Special Weather Statement | GID | 30 min |
| May 10, 1:34 PM CDT | Red Flag Warning | GID | 31 hr |
| May 12, 2:06 AM CDT | Red Flag Warning | GID | 19 hr |
| May 14, 8:01 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 16, 2:56 AM CDT | High Wind Warning | GID | 17 hr |
| May 18, 8:57 PM CDT | Tornado Watch | SPC | 4 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, 2:06 PM CDT | Special Weather Statement | GID | 24 min |
| May 19, 2:20 PM CDT | Severe Thunderstorm Warning | GID | 40 min |
| May 19, 2:50 PM CDT | Severe Thunderstorm Warning | GID | 40 min |
| May 19, 3:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 3:24 PM CDT | Severe Thunderstorm Warning | GID | 51 min |
| May 21, 5:10 PM CDT | Special Weather Statement | GID | 20 min |
| May 21, 5:30 PM CDT | Special Weather Statement | GID | 30 min |
| May 28, 2:53 AM CDT | Dense Fog Advisory | GID | 7 hr |
| Jun 2, 3:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 2, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 2, 10:58 PM CDT | Severe Thunderstorm Warning | GID | 47 min |
| Jun 2, 11:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 2, 11:41 PM CDT | Severe Thunderstorm Warning | GID | 34 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, 7:45 PM CDT | Severe Thunderstorm Warning | GID | 45 min |
| Jun 16, 8:28 PM CDT | Severe Thunderstorm Warning | GID | 62 min |
| Jun 16, 9:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 16, 10:18 PM CDT | Severe Thunderstorm Warning | GID | 42 min |
| Jun 16, 10:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 18, 1:52 PM CDT | Extreme Heat Watch | GID | 49 hr |
| Jun 19, 2:15 PM CDT | Extreme Heat Warning | GID | 3 days |
| Jun 19, 10:57 PM CDT | Special Weather Statement | GID | 48 min |
| Jun 19, 11:52 PM CDT | Special Weather Statement | GID | 38 min |
| Jun 24, 6:24 PM CDT | Special Weather Statement | GID | 36 min |
| Jun 25, 10:46 AM CDT | Flood Watch | GID | 20 hr |
| Jun 25, 2:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 25, 2:38 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 3:00 PM CDT | Special Weather Statement | GID | 30 min |
| Jun 25, 3:44 PM CDT | Special Weather Statement | GID | 31 min |
| Jun 25, 4:17 PM CDT | Special Weather Statement | GID | 43 min |
| Jun 25, 4:22 PM CDT | Severe Thunderstorm Warning | GID | 29 min |
| Jun 25, 4:56 PM CDT | Areal Flood Advisory | GID | 6 hr |
| Jun 25, 5:01 PM CDT | Special Weather Statement | GID | 44 min |
| Jun 25, 5:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 25, 10:28 PM CDT | Areal Flood Advisory | GID | 42 min |
| Jun 25, 10:51 PM CDT | Areal Flood Warning | GID | 4 hr |
| Jun 25, 11:10 PM CDT | Flash Flood Warning | GID | 5 hr |
| Jun 26, 12:04 AM CDT | Flash Flood Warning | GID | 5 hr |
| Jun 26, 2:30 AM CDT | Areal Flood Warning | GID | 3 days |
| Jun 26, 3:16 AM CDT | Areal Flood Warning | GID | 30 hr |
| Jun 29, 11:49 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 1:58 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 3:01 AM CDT | Special Weather Statement | GID | 29 min |
| Jul 2, 3:16 AM CDT | Areal Flood Advisory | GID | 3 hr |
| Jul 6, 1:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 2:40 PM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Jul 7, 3:13 PM CDT | Severe Thunderstorm Warning | GID | 47 min |
| Jul 7, 3:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 7, 3:43 PM CDT | Areal Flood Advisory | GID | 5 hr |
| Jul 7, 7:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 7, 9:04 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 8, 1:02 AM CDT | Areal Flood Advisory | GID | 4 hr |
| Jul 9, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 9, 11:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 10, 12:04 AM CDT | Special Weather Statement | GID | 26 min |
| Jul 10, 12:30 AM CDT | Special Weather Statement | GID | 30 min |
| Jul 10, 3:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 10, 2:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 3:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Jul 10, 4:40 PM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Jul 10, 5:18 PM CDT | Severe Thunderstorm Warning | GID | 15 min |
| Jul 10, 6:08 PM CDT | Severe Thunderstorm Warning | GID | 52 min |
| Jul 10, 6:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 15, 8:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 15, 10:01 PM CDT | Special Weather Statement | GID | 29 min |
| Jul 15, 10:29 PM CDT | Special Weather Statement | GID | 31 min |
| Jul 19, 12:40 AM CDT | Special Weather Statement | GID | 50 min |
| Jul 20, 12:01 AM CDT | Areal Flood Advisory | GID | 3 hr |
| Jul 20, 12:33 AM CDT | Areal Flood Advisory | GID | 2 hr |
| Jul 20, 2:53 PM CDT | Heat Advisory | GID | 35 hr |
| Jul 23, 2:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 23, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 23, 6:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 23, 6:34 PM CDT | Severe Thunderstorm Warning | GID | 41 min |
| Jul 23, 7:05 PM CDT | Severe Thunderstorm Warning | GID | 40 min |
| Jul 23, 7:41 PM CDT | Severe Thunderstorm Warning | GID | 49 min |
| Jul 23, 7:51 PM CDT | Areal Flood Advisory | GID | 4 hr |
| Jul 23, 8:10 PM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Jul 25, 2:58 AM CDT | Dense Fog Advisory | GID | 7 hr |
| Jul 26, 2:08 AM CDT | Extreme Heat Watch | GID | 12 hr |
| Jul 26, 2:33 AM CDT | Extreme Heat Watch | GID | 11 hr |
| Jul 26, 1:42 PM CDT | Extreme Heat Warning | GID | 54 hr |
| Jul 28, 2:00 PM CDT | Heat Advisory | GID | 30 hr |
| Jul 29, 8:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 29, 9:32 PM CDT | Special Weather Statement | GID | 43 min |
| Aug 7, 2:33 PM CDT | Heat Advisory | GID | 29 hr |
| Aug 9, 2:17 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 7:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 14, 3:02 AM CDT | Special Weather Statement | GID | 28 min |
| Aug 14, 4:08 AM CDT | Heat Advisory | GID | 40 hr |
| Aug 14, 4:08 AM CDT | Heat Advisory | GID | 64 hr |
| Aug 18, 3:59 AM CDT | Areal Flood Advisory | GID | 6 hr |
| Aug 30, 2:22 AM CDT | Flood Watch | GID | 17 hr |
| Sep 2, 1:20 AM CDT | Dense Fog Advisory | GID | 9 hr |
| Sep 14, 2:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 14, 3:38 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 14, 6:53 PM CDT | Dense Fog Advisory | GID | 13 hr |
| Oct 18, 2:03 AM CDT | Frost Advisory | GID | 32 hr |
| Oct 21, 2:43 AM CDT | Frost Advisory | GID | 31 hr |
| Oct 22, 2:47 AM CDT | Frost Advisory | GID | 31 hr |
| Oct 22, 2:16 PM CDT | Freeze Warning | GID | 20 hr |
| Oct 24, 1:40 PM CDT | Dense Fog Advisory | GID | 21 hr |
| Oct 29, 2:52 AM CDT | Freeze Watch | GID | 12 hr |
| Oct 29, 2:35 PM CDT | Freeze Warning | GID | 19 hr |
| Nov 20, 8:46 AM CST | Dense Fog Advisory | GID | 3 hr |
| Nov 24, 1:18 PM CST | High Wind Watch | GID | 13 hr |
| Nov 25, 2:37 AM CST | High Wind Warning | GID | 15 hr |
| Nov 28, 3:13 AM CST | Winter Weather Advisory | GID | 32 hr |
| Dec 9, 1:40 PM CST | High Wind Warning | GID | 16 hr |
| Dec 16, 1:28 PM CST | High Wind Watch | GID | 14 hr |
| Dec 17, 3:22 AM CST | High Wind Warning | GID | 39 hr |
| Dec 23, 11:55 PM CST | Dense Fog Advisory | GID | 12 hr |
| Dec 24, 1:30 PM CST | Dense Fog Advisory | GID | 23 hr |
| Dec 25, 2:19 PM CST | Dense Fog Advisory | GID | 6 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.