Alert archive / Nebraska / Hayes County
Weather alerts in Hayes County, Nebraska, 2017
132 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hayes County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 132
- Warnings
- 29
- Watches
- 24
- Advisories
- 27
- Busiest month
- August28 alerts
- Busiest day
- May 16, 20175 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Hayes County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 14 | 9 | 36% | 5 | 100% | 17 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 17 | 3 | 82% | 12 | 58% | 12 min |
| NWS North Platte, NE: severe thunderstorm warnings | 263 | 152 | 42% | 294 | 83% | 17 min |
| NWS North Platte, NE: flash flood warnings | 16 | 6 | 63% | 16 | 56% | 131 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, 5:21 AM CST | Dense Fog Advisory | LBF | 5 hr |
| Jan 2, 8:16 AM CST | Winter Weather Advisory | LBF | 3 hr |
| Jan 2, 3:40 PM CST | Freezing Rain Advisory | LBF | 4 hr |
| Jan 5, 3:00 AM CST | Wind Chill Advisory | LBF | 33 hr |
| Jan 6, 3:15 PM CST | Wind Chill Advisory | LBF | 19 hr |
| Jan 12, 2:48 PM CST | Winter Storm Watch | LBF | 48 hr |
| Jan 14, 3:02 PM CST | Winter Storm Warning | LBF | 51 hr |
| Jan 19, 3:21 AM CST | Dense Fog Advisory | LBF | 9 hr |
| Jan 19, 3:37 PM CST | Dense Fog Advisory | LBF | 18 hr |
| Feb 21, 4:09 AM CST | Red Flag Warning | LBF | 15 hr |
| Mar 4, 2:27 PM CST | Fire Weather Watch | LBF | 14 hr |
| Mar 5, 4:01 AM CST | High Wind Watch | LBF | 11 hr |
| Mar 5, 4:08 AM CST | Red Flag Warning | LBF | 40 hr |
| Mar 5, 2:45 PM CST | High Wind Warning | LBF | 28 hr |
| Mar 6, 3:32 AM CST | Fire Weather Watch | LBF | 11 hr |
| Mar 6, 2:57 PM CST | Red Flag Warning | LBF | 28 hr |
| Mar 7, 2:46 PM CST | Fire Weather Watch | LBF | 13 hr |
| Mar 8, 3:28 AM CST | Red Flag Warning | LBF | 15 hr |
| Mar 12, 3:35 PM CDT | Special Weather Statement | LBF | 55 min |
| Mar 15, 2:55 PM CDT | Red Flag Warning | LBF | 29 hr |
| Mar 17, 4:20 PM CDT | Fire Weather Watch | LBF | 23 hr |
| Mar 18, 4:30 AM CDT | Red Flag Warning | LBF | 40 hr |
| Mar 23, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 23, 6:45 PM CDT | Mesoscale Discussion | SPC | 30 min |
| Apr 9, 2:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 3:44 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Apr 9, 4:29 PM CDT | Severe Thunderstorm Warning | LBF | 31 min |
| Apr 13, 5:08 AM CDT | Dense Fog Advisory | LBF | 5 hr |
| Apr 29, 4:27 AM CDT | Winter Storm Watch | LBF | 24 hr |
| Apr 29, 4:02 PM CDT | Winter Weather Advisory | LBF | 31 hr |
| Apr 30, 3:36 PM CDT | Special Weather Statement | LBF | 84 min |
| May 10, 1:29 AM CDT | Mesoscale Discussion | SPC | 61 min |
| May 15, 9:42 PM CDT | Special Weather Statement | LBF | 48 min |
| May 15, 10:15 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| May 15, 10:52 PM CDT | Special Weather Statement | LBF | 38 min |
| May 15, 10:55 PM CDT | Severe Thunderstorm Warning | LBF | 35 min |
| May 16, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 16, 7:03 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 7:37 PM CDT | Special Weather Statement | LBF | 38 min |
| May 16, 9:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 20, 3:50 AM CDT | Frost Advisory | LBF | 28 hr |
| May 25, 1:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 25, 2:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 6:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 7:38 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 10:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 26, 2:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 27, 5:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 3:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 2, 5:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 8:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 2, 8:22 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Jul 2, 8:58 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| Jul 3, 5:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 4, 7:33 PM CDT | Special Weather Statement | LBF | 42 min |
| Jul 4, 7:47 PM CDT | Severe Thunderstorm Warning | LBF | 26 min |
| Jul 6, 4:18 PM CDT | Special Weather Statement | LBF | 42 min |
| Jul 6, 5:51 PM CDT | Special Weather Statement | LBF | 54 min |
| Jul 7, 8:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 10, 9:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 11, 3:57 AM CDT | Heat Advisory | LBF | 16 hr |
| Jul 11, 6:25 PM CDT | Special Weather Statement | LBF | 50 min |
| Jul 17, 3:30 PM CDT | Heat Advisory | LBF | 26 hr |
| Jul 18, 2:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 18, 3:19 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 18, 7:04 PM CDT | Special Weather Statement | LBF | 41 min |
| Jul 19, 3:12 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 20, 3:07 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 24, 3:16 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 25, 9:53 PM CDT | Severe Thunderstorm Warning | LBF | 36 min |
| Jul 28, 4:38 AM CDT | Special Weather Statement | LBF | 67 min |
| Jul 29, 8:49 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Jul 29, 11:33 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Aug 1, 6:31 AM CDT | Dense Fog Advisory | LBF | 4 hr |
| Aug 1, 8:01 PM CDT | Special Weather Statement | LBF | 44 min |
| Aug 1, 8:05 PM CDT | Special Weather Statement | LBF | 40 min |
| Aug 2, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 2, 6:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 7:09 PM CDT | Severe Thunderstorm Warning | LBF | 66 min |
| Aug 2, 7:58 PM CDT | Severe Thunderstorm Warning | LBF | 32 min |
| Aug 2, 8:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 6, 5:42 AM CDT | Special Weather Statement | LBF | 48 min |
| Aug 7, 1:03 AM CDT | Special Weather Statement | LBF | 42 min |
| Aug 7, 1:44 AM CDT | Special Weather Statement | LBF | 46 min |
| Aug 12, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 12, 6:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 12, 7:52 PM CDT | Special Weather Statement | LBF | 53 min |
| Aug 12, 8:23 PM CDT | Flash Flood Warning | LBF | 6 hr |
| Aug 13, 7:09 AM CDT | Dense Fog Advisory | LBF | 3 hr |
| Aug 13, 3:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 13, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Aug 13, 7:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 14, 2:48 PM CDT | Flash Flood Watch | LBF | 37 hr |
| Aug 15, 5:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 15, 11:08 PM CDT | Special Weather Statement | LBF | 52 min |
| Aug 17, 6:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 4:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 19, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 19, 7:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 24, 2:04 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 7:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 13, 1:00 AM CDT | Special Weather Statement | LBF | 45 min |
| Sep 18, 3:05 PM CDT | Red Flag Warning | LBF | 25 hr |
| Sep 20, 3:32 AM CDT | Fire Weather Watch | LBF | 12 hr |
| Sep 20, 3:41 PM CDT | Red Flag Warning | LBF | 28 hr |
| Sep 30, 5:36 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 1, 2:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Oct 1, 3:25 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 1, 5:37 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Oct 1, 6:13 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| Oct 1, 6:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 1, 7:27 PM CDT | Severe Thunderstorm Warning | LBF | 14 min |
| Oct 1, 7:56 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Oct 1, 8:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 2, 10:04 AM CDT | Flash Flood Watch | LBF | 17 hr |
| Oct 2, 7:46 PM CDT | Special Weather Statement | LBF | 29 min |
| Oct 2, 7:48 PM CDT | Severe Thunderstorm Warning | LBF | 25 min |
| Oct 2, 8:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 8, 3:06 AM CDT | Freeze Watch | LBF | 24 hr |
| Oct 8, 3:56 PM CDT | Freeze Warning | LBF | 42 hr |
| Oct 26, 1:33 PM CDT | Fire Weather Watch | LBF | 20 hr |
| Oct 27, 3:36 AM CDT | Red Flag Warning | LBF | 15 hr |
| Nov 11, 4:05 AM CST | Dense Fog Advisory | LBF | 6 hr |
| Nov 13, 11:22 PM CST | Dense Fog Advisory | LBF | 11 hr |
| Nov 20, 11:07 AM CST | Red Flag Warning | LBF | 7 hr |
| Dec 11, 4:05 AM CST | Red Flag Warning | LBF | 14 hr |
| Dec 21, 3:23 AM CST | Winter Weather Advisory | LBF | 15 hr |
| Dec 22, 10:05 PM CST | Winter Weather Advisory | LBF | 29 hr |
| Dec 23, 2:48 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 26, 2:40 PM CST | Wind Chill Advisory | LBF | 19 hr |
| Dec 29, 11:55 AM CST | Wind Chill Watch | LBF | 16 hr |
| Dec 30, 3:38 AM CST | Wind Chill Advisory | LBF | 56 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 | 14 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 20 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Fire | |
| Red Flag Warning | 11 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.