Alert archive / Nebraska / Keya Paha County
Weather alerts in Keya Paha County, Nebraska, 2019
168 weather alerts in 2019, 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 2019. Tap one for its archive.
- Alerts
- 168
- Warnings
- 36
- Watches
- 25
- Advisories
- 41
- Busiest month
- July29 alerts
- Busiest day
- September 11, 20199 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 Keya Paha County in 2019 had a tornado report inside them.
Keya Paha County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 13 | 7 | 46% | 1 | 100% | 4 min |
| Flash flood warnings | 3 | 3 | 0% | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 14 | 7 | 50% | 19 | 63% | 16 min |
| NWS North Platte, NE: severe thunderstorm warnings | 294 | 181 | 38% | 370 | 86% | 23 min |
| NWS North Platte, NE: flash flood warnings | 39 | 14 | 64% | 30 | 87% | 212 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 14, 9:43 PM CST | Dense Fog Advisory | LBF | 9 hr |
| Jan 17, 3:10 AM CST | Winter Weather Advisory | LBF | 39 hr |
| Jan 21, 3:12 AM CST | Winter Weather Advisory | LBF | 37 hr |
| Jan 26, 3:11 PM CST | High Wind Watch | LBF | 15 hr |
| Jan 27, 2:36 AM CST | High Wind Warning | LBF | 33 hr |
| Jan 28, 3:30 AM CST | Wind Chill Warning | LBF | 50 hr |
| Jan 28, 3:30 AM CST | Wind Chill Advisory | LBF | 57 hr |
| Feb 5, 2:49 PM CST | Winter Weather Advisory | LBF | 45 hr |
| Feb 6, 2:23 PM CST | Wind Chill Warning | LBF | 21 hr |
| Feb 7, 3:22 AM CST | Wind Chill Advisory | LBF | 30 hr |
| Feb 10, 3:15 AM CST | Winter Weather Advisory | LBF | 41 hr |
| Feb 14, 3:07 AM CST | Winter Weather Advisory | LBF | 36 hr |
| Feb 15, 2:59 PM CST | Winter Weather Advisory | LBF | 51 hr |
| Feb 18, 2:40 PM CST | Winter Weather Advisory | LBF | 42 hr |
| Feb 21, 3:35 AM CST | Winter Weather Advisory | LBF | 60 hr |
| Mar 2, 3:15 AM CST | Wind Chill Advisory | LBF | 48 hr |
| Mar 2, 2:36 PM CST | Wind Chill Warning | LBF | 44 hr |
| Mar 4, 3:25 PM CST | Wind Chill Advisory | LBF | 18 hr |
| Mar 5, 3:03 PM CST | Winter Storm Watch | LBF | 13 hr |
| Mar 6, 3:42 AM CST | Winter Weather Advisory | LBF | 32 hr |
| Mar 7, 2:45 PM CST | Winter Storm Watch | LBF | 13 hr |
| Mar 8, 3:48 AM CST | Winter Weather Advisory | LBF | 38 hr |
| Mar 11, 2:54 AM CDT | Winter Storm Watch | LBF | 48 hr |
| Mar 12, 8:41 PM CDT | Flood Watch | LBF | 22 hr |
| Mar 13, 2:37 AM CDT | Winter Storm Warning | LBF | 40 hr |
| Mar 13, 9:37 AM CDT | Areal Flood Advisory | LBF | 4 hr |
| Mar 13, 12:10 PM CDT | Areal Flood Warning | LBF | 6 hr |
| Mar 13, 6:05 PM CDT | Areal Flood Warning | LBF | 12 hr |
| Mar 14, 6:04 AM CDT | Areal Flood Advisory | LBF | 12 hr |
| Mar 14, 6:27 PM CDT | Areal Flood Advisory | LBF | 67 hr |
| Mar 17, 1:26 PM CDT | Areal Flood Advisory | LBF | 48 hr |
| Mar 20, 10:02 AM CDT | Areal Flood Warning | LBF | 5 days |
| Mar 25, 6:26 AM CDT | Dense Fog Advisory | LBF | 5 hr |
| Mar 26, 1:11 AM CDT | Dense Fog Advisory | LBF | 10 hr |
| Apr 8, 4:34 AM CDT | Winter Storm Watch | LBF | 34 hr |
| Apr 9, 3:56 AM CDT | Blizzard Warning | LBF | 64 hr |
| Apr 11, 2:34 AM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 11, 8:19 PM CDT | Winter Weather Advisory | LBF | 9 hr |
| Apr 24, 9:51 PM CDT | Special Weather Statement | LBF | 39 min |
| May 8, 3:02 PM CDT | Freeze Watch | LBF | 12 hr |
| May 9, 3:12 AM CDT | Freeze Warning | LBF | 30 hr |
| May 17, 4:38 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 17, 5:29 PM CDT | Severe Thunderstorm Warning | LBF | 31 min |
| May 17, 6:02 PM CDT | Special Weather Statement | LBF | 43 min |
| May 17, 6:21 PM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| May 17, 7:49 PM CDT | Special Weather Statement | LBF | 41 min |
| May 17, 7:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 17, 8:37 PM CDT | Special Weather Statement | LBF | 23 min |
| May 17, 9:19 PM CDT | Special Weather Statement | LBF | 26 min |
| May 17, 9:40 PM CDT | Special Weather Statement | LBF | 35 min |
| May 23, 8:08 PM CDT | Areal Flood Warning | LBF | 6 hr |
| May 24, 12:56 AM CDT | Areal Flood Advisory | LBF | 57 hr |
| May 24, 2:47 PM CDT | Flood Watch | LBF | 5 days |
| May 26, 5:57 PM CDT | Special Weather Statement | LBF | 48 min |
| May 26, 6:34 PM CDT | Special Weather Statement | LBF | 56 min |
| May 26, 6:52 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| May 26, 7:29 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| May 29, 9:36 AM CDT | Areal Flood Advisory | LBF | 48 hr |
| May 31, 3:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 8:03 PM CDT | Special Weather Statement | LBF | 42 min |
| May 31, 8:58 PM CDT | Special Weather Statement | LBF | 32 min |
| Jun 8, 2:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 8, 3:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 19, 6:46 PM CDT | Special Weather Statement | LBF | 29 min |
| Jun 19, 7:17 PM CDT | Special Weather Statement | LBF | 43 min |
| Jun 19, 8:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 20, 4:51 AM CDT | Special Weather Statement | LBF | 39 min |
| Jun 21, 1:45 AM CDT | Special Weather Statement | LBF | 45 min |
| Jun 21, 2:09 AM CDT | Special Weather Statement | LBF | 51 min |
| Jun 21, 2:28 AM CDT | Special Weather Statement | LBF | 47 min |
| Jun 21, 2:57 AM CDT | Special Weather Statement | LBF | 48 min |
| Jun 27, 6:28 AM CDT | Special Weather Statement | LBF | 32 min |
| Jun 27, 3:28 PM CDT | Heat Advisory | LBF | 29 hr |
| Jun 28, 2:35 PM CDT | Heat Advisory | LBF | 30 hr |
| Jun 30, 4:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 30, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 6:35 PM CDT | Special Weather Statement | LBF | 55 min |
| Jun 30, 7:29 PM CDT | Special Weather Statement | LBF | 61 min |
| Jun 30, 7:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 30, 8:34 PM CDT | Special Weather Statement | LBF | 41 min |
| Jun 30, 9:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 3, 4:47 PM CDT | Special Weather Statement | UNR | 43 min |
| Jul 3, 5:16 PM CDT | Special Weather Statement | LBF | 29 min |
| Jul 3, 7:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 3, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 3, 10:02 PM CDT | Special Weather Statement | LBF | 28 min |
| Jul 3, 10:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 3, 10:29 PM CDT | Special Weather Statement | LBF | 31 min |
| Jul 4, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 5, 12:57 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 5, 1:43 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 3:36 AM CDT | Severe Thunderstorm Warning | LBF | 54 min |
| Jul 5, 4:29 AM CDT | Areal Flood Advisory | LBF | 3 hr |
| Jul 5, 10:47 PM CDT | Special Weather Statement | LBF | 58 min |
| Jul 9, 2:31 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 9, 6:29 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Jul 9, 7:14 PM CDT | Special Weather Statement | LBF | 46 min |
| Jul 9, 8:21 PM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| Jul 13, 12:20 AM CDT | Severe Thunderstorm Warning | LBF | 55 min |
| Jul 14, 2:18 AM CDT | Special Weather Statement | LBF | 42 min |
| Jul 14, 7:16 PM CDT | Special Weather Statement | LBF | 44 min |
| Jul 15, 10:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 15, 11:55 PM CDT | Special Weather Statement | LBF | 50 min |
| Jul 17, 4:14 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 18, 2:44 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 27, 5:02 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Aug 4, 4:24 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 6:45 PM CDT | Special Weather Statement | LBF | 45 min |
| Aug 4, 7:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 4, 7:24 PM CDT | Flash Flood Warning | LBF | 3 hr |
| Aug 4, 7:42 PM CDT | Special Weather Statement | LBF | 33 min |
| Aug 6, 6:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 6, 8:19 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 6, 10:46 PM CDT | Severe Thunderstorm Warning | LBF | 29 min |
| Aug 7, 11:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 7, 11:26 PM CDT | Severe Thunderstorm Warning | LBF | 49 min |
| Aug 9, 6:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 7:23 PM CDT | Tornado Warning | LBF | 67 min |
| Aug 9, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 9, 7:52 PM CDT | Tornado Warning | LBF | 38 min |
| Aug 9, 8:21 PM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| Aug 9, 8:50 PM CDT | Special Weather Statement | LBF | 40 min |
| Aug 9, 9:59 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Aug 16, 5:44 PM CDT | Special Weather Statement | LBF | 46 min |
| Aug 17, 6:14 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 25, 9:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 25, 10:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 26, 1:05 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Aug 26, 2:18 AM CDT | Special Weather Statement | LBF | 42 min |
| Aug 26, 3:35 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 2, 1:07 AM CDT | Special Weather Statement | LBF | 53 min |
| Sep 2, 4:54 AM CDT | Severe Thunderstorm Warning | LBF | 19 min |
| Sep 10, 2:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 2:53 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 10, 5:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Sep 10, 5:58 PM CDT | Severe Thunderstorm Warning | LBF | 62 min |
| Sep 10, 6:56 PM CDT | Severe Thunderstorm Warning | LBF | 64 min |
| Sep 10, 8:04 PM CDT | Special Weather Statement | LBF | 41 min |
| Sep 10, 8:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Sep 10, 8:28 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Sep 10, 9:36 PM CDT | Areal Flood Advisory | LBF | 3 hr |
| Sep 10, 10:58 PM CDT | Flash Flood Warning | LBF | 11 hr |
| Sep 11, 4:08 AM CDT | Flash Flood Watch | LBF | 27 hr |
| Sep 11, 9:59 AM CDT | Areal Flood Warning | LBF | 6 hr |
| Sep 11, 3:31 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Sep 11, 5:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 11, 8:08 PM CDT | Special Weather Statement | LBF | 37 min |
| Sep 11, 8:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 11, 10:31 PM CDT | Flash Flood Warning | LBF | 14 hr |
| Sep 12, 1:29 AM CDT | Areal Flood Advisory | LBF | 7 hr |
| Sep 12, 9:00 AM CDT | Areal Flood Advisory | LBF | 4 hr |
| Sep 12, 12:19 PM CDT | Areal Flood Warning | LBF | 4 days |
| Sep 14, 9:54 AM CDT | Areal Flood Advisory | LBF | 6 hr |
| Sep 29, 5:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Oct 2, 3:05 AM CDT | Frost Advisory | LBF | 31 hr |
| Oct 9, 3:43 AM CDT | Freeze Watch | LBF | 12 hr |
| Oct 9, 3:36 PM CDT | Freeze Warning | LBF | 44 hr |
| Oct 21, 8:23 AM CDT | High Wind Warning | LBF | 11 hr |
| Nov 24, 2:28 PM CST | Winter Storm Watch | LBF | 13 hr |
| Nov 24, 2:28 PM CST | Winter Storm Warning | LBF | 61 hr |
| Nov 27, 3:55 AM CST | Winter Storm Watch | LBF | 48 hr |
| Nov 27, 3:00 PM CST | Winter Weather Advisory | LBF | 46 hr |
| Nov 29, 4:19 AM CST | Blizzard Warning | LBF | 47 hr |
| Dec 1, 3:22 AM CST | Winter Weather Advisory | LBF | 6 hr |
| Dec 24, 10:46 PM CST | Dense Fog Advisory | LBF | 10 hr |
| Dec 26, 3:56 AM CST | Winter Storm Watch | LBF | 24 hr |
| Dec 27, 3:29 AM CST | Winter Storm Warning | LBF | 3 days |
| Dec 30, 2:55 AM CST | Winter Weather Advisory | LBF | 15 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 archive20182020
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.