Alert archive / Nebraska / Keya Paha County
Weather alerts in Keya Paha County, Nebraska, 2020
149 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Keya Paha County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 149
- Warnings
- 37
- Watches
- 26
- Advisories
- 20
- Busiest month
- June43 alerts
- Busiest day
- June 18, 20208 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Keya Paha County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 20 | 13 | 35% | 8 | 100% | 19 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 17 | 5 | 71% | 22 | 36% | 16 min |
| NWS North Platte, NE: severe thunderstorm warnings | 323 | 183 | 43% | 352 | 82% | 20 min |
| NWS North Platte, NE: flash flood warnings | 9 | 3 | 67% | 22 | 32% | 27 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 16, 3:20 AM CST | Winter Weather Advisory | LBF | 43 hr |
| Jan 17, 3:34 AM CST | High Wind Warning | LBF | 27 hr |
| Jan 22, 2:41 PM CST | Winter Weather Advisory | LBF | 24 hr |
| Jan 24, 11:08 PM CST | Dense Fog Advisory | LBF | 11 hr |
| Jan 28, 10:52 PM CST | Dense Fog Advisory | LBF | 11 hr |
| Feb 12, 2:46 AM CST | Wind Chill Advisory | LBF | 31 hr |
| Feb 24, 3:32 AM CST | Winter Weather Advisory | LBF | 38 hr |
| Mar 3, 2:32 PM CST | Red Flag Warning | LBF | 4 days |
| Mar 6, 2:14 PM CST | Red Flag Warning | LBF | 29 hr |
| Mar 12, 1:29 PM CDT | Winter Weather Advisory | LBF | 50 hr |
| Mar 16, 2:40 PM CDT | Winter Storm Watch | LBF | 25 hr |
| Mar 17, 3:35 PM CDT | Winter Storm Warning | LBF | 56 hr |
| Mar 19, 5:45 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 19, 9:31 PM CDT | Winter Weather Advisory | LBF | 6 hr |
| Mar 23, 4:24 AM CDT | Dense Fog Advisory | LBF | 6 hr |
| Mar 27, 3:53 AM CDT | Flood Watch | LBF | 24 hr |
| Apr 1, 3:51 AM CDT | Winter Weather Advisory | LBF | 47 hr |
| Apr 10, 3:17 AM CDT | Winter Storm Watch | LBF | 12 hr |
| Apr 10, 3:23 PM CDT | Winter Storm Warning | LBF | 48 hr |
| Apr 27, 3:19 PM CDT | Red Flag Warning | LBF | 29 hr |
| Apr 28, 4:10 PM CDT | Special Weather Statement | LBF | 95 min |
| Apr 28, 4:45 PM CDT | Special Weather Statement | LBF | 60 min |
| Apr 28, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 7, 2:59 PM CDT | Frost Advisory | LBF | 18 hr |
| May 9, 3:02 AM CDT | Freeze Warning | LBF | 30 hr |
| May 23, 4:41 AM CDT | Dense Fog Advisory | LBF | 4 hr |
| May 23, 7:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 23, 8:29 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 24, 12:35 AM CDT | Special Weather Statement | LBF | 25 min |
| May 24, 12:55 AM CDT | Severe Thunderstorm Warning | LBF | 65 min |
| Jun 3, 1:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 3, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 3:09 PM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Jun 3, 3:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 4:44 PM CDT | Special Weather Statement | LBF | 46 min |
| Jun 3, 5:22 PM CDT | Special Weather Statement | LBF | 38 min |
| Jun 3, 6:01 PM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| Jun 4, 2:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 4, 6:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 4, 7:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 4, 11:27 PM CDT | Severe Thunderstorm Warning | LBF | 33 min |
| Jun 4, 11:56 PM CDT | Special Weather Statement | LBF | 34 min |
| Jun 6, 5:49 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 6, 9:59 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Jun 6, 10:47 PM CDT | Special Weather Statement | LBF | 43 min |
| Jun 6, 11:39 PM CDT | Special Weather Statement | LBF | 51 min |
| Jun 7, 2:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 7, 2:06 PM CDT | Flood Watch | LBF | 53 hr |
| Jun 7, 3:31 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 8, 3:16 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 8, 7:33 PM CDT | Special Weather Statement | LBF | 42 min |
| Jun 8, 7:42 PM CDT | Severe Thunderstorm Warning | LBF | 48 min |
| Jun 8, 8:04 PM CDT | Severe Thunderstorm Warning | LBF | 26 min |
| Jun 8, 9:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 12:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 14, 3:36 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 5:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 6:29 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 9:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 9:33 PM CDT | Special Weather Statement | LBF | 12 min |
| Jun 17, 10:40 PM CDT | Areal Flood Advisory | LBF | 6 hr |
| Jun 17, 10:56 PM CDT | Special Weather Statement | LBF | 49 min |
| Jun 17, 11:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 17, 11:49 PM CDT | Special Weather Statement | LBF | 26 min |
| Jun 18, 12:37 AM CDT | Special Weather Statement | LBF | 38 min |
| Jun 18, 1:21 AM CDT | Special Weather Statement | LBF | 24 min |
| Jun 20, 3:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 20, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 22, 12:31 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 1:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 25, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 29, 1:54 PM CDT | Flood Watch | LBF | 34 hr |
| Jun 30, 9:16 PM CDT | Special Weather Statement | LBF | 44 min |
| Jun 30, 9:56 PM CDT | Special Weather Statement | LBF | 34 min |
| Jul 3, 12:05 AM CDT | Special Weather Statement | LBF | 25 min |
| Jul 7, 12:30 AM CDT | Special Weather Statement | LBF | 30 min |
| Jul 7, 12:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 12:47 AM CDT | Severe Thunderstorm Warning | LBF | 58 min |
| Jul 7, 1:02 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 7, 1:18 AM CDT | Severe Thunderstorm Warning | LBF | 42 min |
| Jul 8, 3:39 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 8, 5:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 5:51 PM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| Jul 8, 6:26 PM CDT | Severe Thunderstorm Warning | LBF | 49 min |
| Jul 8, 7:02 PM CDT | Flash Flood Warning | LBF | 2 hr |
| Jul 8, 7:04 PM CDT | Severe Thunderstorm Warning | LBF | 41 min |
| Jul 10, 9:13 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 10, 11:39 AM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Jul 10, 12:22 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Jul 10, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 3:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 10, 9:14 PM CDT | Severe Thunderstorm Warning | LBF | 61 min |
| Jul 10, 10:13 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Jul 12, 11:29 AM CDT | Special Weather Statement | LBF | 61 min |
| Jul 12, 11:49 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 12, 1:37 PM CDT | Special Weather Statement | LBF | 68 min |
| Jul 13, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 13, 8:46 PM CDT | Special Weather Statement | LBF | 44 min |
| Jul 16, 2:56 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 19, 8:19 PM CDT | Special Weather Statement | LBF | 41 min |
| Jul 20, 12:57 AM CDT | Special Weather Statement | LBF | 48 min |
| Jul 20, 3:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 20, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 2:30 AM CDT | Heat Advisory | LBF | 67 hr |
| Jul 24, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 7:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 8:02 PM CDT | Special Weather Statement | LBF | 43 min |
| Jul 24, 8:50 PM CDT | Special Weather Statement | LBF | 40 min |
| Jul 24, 9:39 PM CDT | Special Weather Statement | LBF | 51 min |
| Jul 31, 8:56 PM CDT | Special Weather Statement | LBF | 49 min |
| Jul 31, 9:43 PM CDT | Special Weather Statement | LBF | 47 min |
| Aug 4, 6:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 4, 7:35 PM CDT | Severe Thunderstorm Warning | LBF | 55 min |
| Aug 4, 8:25 PM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| Aug 8, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 8:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 8, 10:48 PM CDT | Special Weather Statement | LBF | 42 min |
| Aug 8, 11:25 PM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| Aug 10, 3:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 13, 5:43 PM CDT | Special Weather Statement | LBF | 47 min |
| Aug 13, 5:55 PM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| Aug 13, 6:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 13, 6:42 PM CDT | Special Weather Statement | LBF | 48 min |
| Aug 23, 11:28 PM CDT | Special Weather Statement | LBF | 47 min |
| Aug 24, 12:15 AM CDT | Special Weather Statement | LBF | 45 min |
| Aug 24, 12:55 AM CDT | Special Weather Statement | LBF | 50 min |
| Aug 24, 3:26 AM CDT | Heat Advisory | LBF | 17 hr |
| Aug 26, 9:15 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| Aug 30, 3:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 30, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 30, 5:58 PM CDT | Special Weather Statement | LBF | 47 min |
| Sep 5, 7:55 PM CDT | Red Flag Warning | LBF | 23 hr |
| Oct 1, 3:20 AM CDT | Freeze Warning | LBF | 30 hr |
| Oct 4, 2:49 PM CDT | Red Flag Warning | LBF | 29 hr |
| Oct 23, 3:13 AM CDT | Winter Storm Watch | LBF | 24 hr |
| Oct 23, 2:14 PM CDT | Winter Storm Warning | LBF | 65 hr |
| Nov 5, 1:26 PM CST | Red Flag Warning | LBF | 29 hr |
| Nov 7, 2:39 AM CST | High Wind Watch | LBF | 23 hr |
| Nov 8, 2:07 AM CST | High Wind Warning | LBF | 13 hr |
| Nov 9, 4:30 AM CST | Winter Weather Advisory | LBF | 8 hr |
| Nov 18, 12:08 PM CST | Red Flag Warning | LBF | 5 hr |
| Dec 21, 9:13 PM CST | High Wind Watch | LBF | 7 hr |
| Dec 22, 4:20 AM CST | High Wind Warning | LBF | 38 hr |
| Dec 22, 12:08 PM CST | Winter Weather Advisory | LBF | 30 hr |
| Dec 23, 2:50 AM CST | Blizzard Warning | LBF | 15 hr |
| Dec 27, 2:49 PM CST | Winter Storm Watch | LBF | 12 hr |
| Dec 28, 2:59 AM CST | Winter Weather Advisory | LBF | 39 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 | 20 |
| Severe Thunderstorm Watch | 17 |
| Mesoscale Discussion | 31 |
| Special Weather Statement | 35 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 3 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.