Alert archive / Nebraska / Greeley County
Weather alerts in Greeley County, Nebraska, 2026
156 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Greeley County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 156
- Warnings
- 57
- Watches
- 27
- Advisories
- 25
- Busiest month
- August38 alerts
- Busiest day
- August 18, 202616 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 2 tornado warnings covering Greeley County in 2026 had a tornado report inside them.
Greeley County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 26 | 14 | 46% | 19 | 95% | 20 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hastings, NE: tornado warnings | 13 | 5 | 62% | 11 | 82% | 20 min |
| NWS Hastings, NE: severe thunderstorm warnings | 297 | 162 | 45% | 644 | 90% | 24 min |
| NWS Hastings, NE: flash flood warnings | 7 | 1 | 86% | 1 | 100% | 36 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 1, 7:57 PM CST | Dense Fog Advisory | GID | 16 hr |
| Jan 2, 2:07 AM CST | Winter Weather Advisory | GID | 20 hr |
| Jan 2, 12:34 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 14, 2:19 AM CST | High Wind Watch | GID | 35 hr |
| Jan 15, 12:57 PM CST | High Wind Warning | GID | 29 hr |
| Jan 22, 2:08 AM CST | Cold Weather Advisory | GID | 4 days |
| Feb 9, 2:28 AM CST | Red Flag Warning | GID | 16 hr |
| Feb 15, 12:35 PM CST | Fire Weather Watch | GID | 23 hr |
| Feb 16, 11:30 AM CST | Red Flag Warning | GID | 35 hr |
| Feb 18, 1:49 AM CST | Winter Storm Watch | GID | 10 hr |
| Feb 18, 11:53 AM CST | Winter Weather Advisory | GID | 36 hr |
| Feb 18, 9:36 PM CST | Winter Storm Warning | GID | 26 hr |
| Mar 2, 10:05 PM CST | Dense Fog Advisory | GID | 12 hr |
| Mar 4, 8:57 PM CST | Dense Fog Advisory | GID | 14 hr |
| Mar 6, 2:37 AM CST | Special Weather Statement | GID | 23 min |
| Mar 8, 2:07 PM CDT | Red Flag Warning | GID | 6 hr |
| Mar 10, 12:19 PM CDT | Fire Weather Watch | GID | 24 hr |
| Mar 11, 12:07 PM CDT | Red Flag Warning | GID | 36 hr |
| Mar 11, 9:56 PM CDT | High Wind Watch | GID | 14 hr |
| Mar 13, 11:04 AM CDT | Red Flag Warning | GID | 33 hr |
| Mar 13, 11:49 AM CDT | High Wind Watch | GID | 23 hr |
| Mar 14, 11:06 AM CDT | High Wind Warning | GID | 33 hr |
| Mar 14, 11:58 PM CDT | Winter Weather Advisory | GID | 17 hr |
| Mar 19, 2:53 AM CDT | Fire Weather Watch | GID | 30 hr |
| Mar 20, 9:09 AM CDT | Red Flag Warning | GID | 43 hr |
| Mar 24, 11:21 PM CDT | Red Flag Warning | GID | 20 hr |
| Mar 26, 1:17 PM CDT | Fire Weather Watch | GID | 19 hr |
| Mar 26, 1:17 PM CDT | Red Flag Warning | GID | 30 hr |
| Mar 27, 8:13 AM CDT | Red Flag Warning | GID | 38 hr |
| Apr 12, 2:49 AM CDT | Red Flag Warning | GID | 16 hr |
| Apr 12, 8:33 PM CDT | Red Flag Warning | GID | 24 hr |
| Apr 13, 6:53 PM CDT | Special Weather Statement | GID | 37 min |
| Apr 15, 1:39 AM CDT | Fire Weather Watch | GID | 14 hr |
| Apr 15, 3:16 PM CDT | Red Flag Warning | GID | 32 hr |
| Apr 16, 12:36 AM CDT | Freeze Watch | GID | 34 hr |
| Apr 17, 10:49 AM CDT | Freeze Warning | GID | 22 hr |
| Apr 17, 11:36 AM CDT | Red Flag Warning | GID | 32 hr |
| Apr 20, 12:07 AM CDT | Red Flag Warning | GID | 21 hr |
| Apr 21, 1:44 PM CDT | Red Flag Warning | GID | 30 hr |
| Apr 22, 1:54 PM CDT | Red Flag Warning | GID | 31 hr |
| Apr 28, 1:11 PM CDT | Frost Advisory | GID | 20 hr |
| Apr 30, 12:07 PM CDT | Frost Advisory | GID | 21 hr |
| May 1, 12:45 PM CDT | Freeze Warning | GID | 19 hr |
| May 6, 12:56 PM CDT | Frost Advisory | GID | 18 hr |
| May 9, 11:54 PM CDT | Fire Weather Watch | GID | 13 hr |
| May 10, 12:46 PM CDT | Red Flag Warning | GID | 33 hr |
| May 11, 12:06 PM CDT | Fire Weather Watch | GID | 10 hr |
| May 11, 10:16 PM CDT | Red Flag Warning | GID | 23 hr |
| May 16, 4:42 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 16, 5:08 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 16, 7:10 PM CDT | Severe Thunderstorm Warning | GID | 28 min |
| May 17, 3:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 17, 2:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 17, 3:16 PM CDT | Tornado Watch | SPC | 8 hr |
| May 17, 4:55 PM CDT | Severe Thunderstorm Warning | GID | 50 min |
| May 17, 5:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 19, 11:47 AM CDT | Frost Advisory | GID | 20 hr |
| May 23, 6:44 PM CDT | Special Weather Statement | GID | 46 min |
| May 24, 6:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 25, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 12:27 AM CDT | Special Weather Statement | GID | 33 min |
| Jun 2, 1:02 AM CDT | Special Weather Statement | GID | 43 min |
| Jun 5, 5:48 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 9, 5:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 9, 5:46 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 9, 7:52 PM CDT | Dust Storm Advisory | GID | 68 min |
| Jun 9, 7:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 9, 8:09 PM CDT | Special Weather Statement | GID | 36 min |
| Jun 9, 8:26 PM CDT | Severe Thunderstorm Warning | GID | 19 min |
| Jun 9, 8:42 PM CDT | Special Weather Statement | GID | 18 min |
| Jun 11, 1:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 13, 3:30 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 13, 4:41 AM CDT | Special Weather Statement | GID | 49 min |
| Jun 13, 4:42 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 13, 4:48 AM CDT | Severe Thunderstorm Warning | GID | 42 min |
| Jun 13, 4:49 AM CDT | Severe Thunderstorm Warning | GID | 41 min |
| Jun 13, 5:27 AM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Jun 13, 5:46 AM CDT | Special Weather Statement | GID | 29 min |
| Jun 13, 6:14 AM CDT | Areal Flood Advisory | GID | 3 hr |
| Jun 13, 6:20 AM CDT | Special Weather Statement | GID | 25 min |
| Jun 19, 12:47 PM CDT | Flood Watch | GID | 42 hr |
| Jun 20, 10:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 20, 6:04 PM CDT | Special Weather Statement | GID | 41 min |
| Jun 20, 6:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 7:12 PM CDT | Areal Flood Advisory | GID | 3 hr |
| Jun 20, 9:32 PM CDT | Areal Flood Warning | GID | 16 min |
| Jun 20, 9:46 PM CDT | Areal Flood Warning | GID | 21 hr |
| Jun 29, 6:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 29, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 9:31 PM CDT | Severe Thunderstorm Warning | GID | 29 min |
| Jun 29, 10:06 PM CDT | Severe Thunderstorm Warning | GID | 39 min |
| Jun 29, 10:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 10:38 PM CDT | Severe Thunderstorm Warning | GID | 67 min |
| Jun 29, 10:57 PM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Jun 29, 11:51 PM CDT | Special Weather Statement | GID | 24 min |
| Jul 1, 7:38 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 7:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 3, 2:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 4, 4:53 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 4, 8:25 PM CDT | Special Weather Statement | GID | 50 min |
| Jul 8, 5:13 PM CDT | Special Weather Statement | GID | 32 min |
| Jul 8, 5:21 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 8, 5:22 PM CDT | Severe Thunderstorm Warning | GID | 38 min |
| Jul 11, 5:28 AM CDT | Dense Fog Advisory | GID | 4 hr |
| Jul 18, 8:57 PM CDT | Heat Advisory | GID | 49 hr |
| Jul 20, 6:40 PM CDT | Special Weather Statement | GID | 20 min |
| Jul 24, 12:27 AM CDT | Heat Advisory | GID | 41 hr |
| Jul 25, 1:58 AM CDT | Dense Fog Advisory | GID | 8 hr |
| Jul 25, 5:34 PM CDT | Heat Advisory | GID | 26 hr |
| Jul 25, 5:34 PM CDT | Extreme Heat Warning | GID | 52 hr |
| Jul 30, 5:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 30, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 30, 7:14 PM CDT | Special Weather Statement | GID | 46 min |
| Jul 30, 8:00 PM CDT | Severe Thunderstorm Warning | GID | 45 min |
| Aug 6, 12:04 AM CDT | Dense Fog Advisory | GID | 10 hr |
| Aug 7, 4:54 AM CDT | Dense Fog Advisory | GID | 4 hr |
| Aug 8, 10:25 AM CDT | Special Weather Statement | GID | 50 min |
| Aug 9, 7:20 AM CDT | Dense Fog Advisory | GID | 3 hr |
| Aug 12, 1:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 12, 2:24 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 12, 2:40 AM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Aug 12, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 13, 1:11 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 13, 1:19 AM CDT | Severe Thunderstorm Warning | GID | 41 min |
| Aug 13, 1:55 AM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Aug 14, 2:20 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 7:52 PM CDT | Severe Thunderstorm Warning | GID | 38 min |
| Aug 17, 8:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 17, 8:24 PM CDT | Severe Thunderstorm Warning | GID | 51 min |
| Aug 17, 8:32 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 8:47 PM CDT | Tornado Warning | GID | 28 min |
| Aug 17, 9:07 PM CDT | Tornado Warning | GID | 19 min |
| Aug 17, 9:24 PM CDT | Severe Thunderstorm Warning | GID | 51 min |
| Aug 17, 9:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 17, 10:30 PM CDT | Special Weather Statement | GID | 30 min |
| Aug 17, 10:59 PM CDT | Severe Thunderstorm Warning | GID | 16 min |
| Aug 17, 11:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 17, 11:38 PM CDT | Special Weather Statement | GID | 52 min |
| Aug 18, 12:08 AM CDT | Severe Thunderstorm Warning | GID | 52 min |
| Aug 18, 4:15 AM CDT | Areal Flood Advisory | GID | 4 hr |
| Aug 18, 7:12 AM CDT | Areal Flood Warning | GID | 10 hr |
| Aug 18, 5:06 PM CDT | Areal Flood Warning | GID | 16 hr |
| Aug 19, 9:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 19, 9:53 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 19, 9:56 AM CDT | Severe Thunderstorm Warning | GID | 64 min |
| Aug 19, 10:57 AM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Aug 19, 11:12 AM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Aug 19, 12:26 PM CDT | Flash Flood Warning | GID | 7 hr |
| Aug 20, 2:23 AM CDT | Dense Fog Advisory | GID | 8 hr |
| Aug 21, 1:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 30, 1:51 AM CDT | Severe Thunderstorm Warning | GID | 39 min |
| Aug 30, 2:24 AM CDT | Severe Thunderstorm Warning | GID | 30 min |
| Sep 1, 3:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 1, 10:35 PM CDT | Severe Thunderstorm Warning | GID | 25 min |
| Sep 16, 11:03 PM CDT | Dense Fog Advisory | GID | 11 hr |
| Sep 18, 10:13 PM CDT | Special Weather Statement | GID | 32 min |
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 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.