Alert archive / Nebraska / Perkins County
Weather alerts in Perkins County, Nebraska, 2013
133 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Perkins County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 133
- Warnings
- 40
- Watches
- 21
- Advisories
- 28
- Busiest month
- May32 alerts
- Busiest day
- May 29, 20137 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 Perkins County in 2013 had a tornado report inside them.
Perkins County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 31 | 19 | 39% | 19 | 89% | 25 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 31 | 3 | 90% | 12 | 25% | 4 min |
| NWS North Platte, NE: severe thunderstorm warnings | 400 | 243 | 39% | 402 | 82% | 20 min |
| NWS North Platte, NE: flash flood warnings | 9 | 4 | 56% | 6 | 67% | 126 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 10, 7:30 PM MST | Winter Weather Advisory | LBF | 34 hr |
| Jan 27, 5:37 AM MST | Dense Fog Advisory | LBF | 24 min |
| Jan 27, 6:01 AM MST | Dense Fog Advisory | LBF | 5 hr |
| Jan 27, 7:11 PM MST | Dense Fog Advisory | LBF | 16 hr |
| Feb 8, 1:21 PM MST | Winter Storm Watch | LBF | 23 hr |
| Feb 9, 2:23 AM MST | Blizzard Warning | LBF | 49 hr |
| Feb 9, 1:57 PM MST | Wind Advisory | LBF | 28 hr |
| Feb 13, 2:43 PM MST | Wind Advisory | LBF | 26 hr |
| Feb 18, 1:52 PM MST | Winter Storm Watch | LBF | 23 hr |
| Feb 19, 12:58 PM MST | Winter Storm Warning | LBF | 58 hr |
| Feb 24, 2:20 AM MST | Winter Weather Advisory | LBF | 13 hr |
| Mar 3, 2:12 PM MST | Wind Advisory | LBF | 45 hr |
| Mar 8, 3:06 PM MST | Winter Weather Advisory | LBF | 41 hr |
| Mar 18, 1:46 AM MDT | Red Flag Warning | LBF | 15 hr |
| Mar 22, 2:26 AM MDT | Winter Storm Warning | LBF | 36 hr |
| Mar 23, 2:35 PM MDT | Winter Weather Advisory | LBF | 6 hr |
| Mar 29, 2:52 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Apr 4, 2:49 AM MDT | Fire Weather Watch | LBF | 16 hr |
| Apr 4, 6:21 PM MDT | Red Flag Warning | LBF | 25 hr |
| Apr 7, 3:17 AM MDT | Winter Storm Watch | LBF | 32 hr |
| Apr 8, 10:59 AM MDT | Winter Weather Advisory | LBF | 65 hr |
| Apr 8, 5:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Apr 8, 10:15 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Apr 14, 2:39 AM MDT | Wind Advisory | LBF | 16 hr |
| Apr 16, 12:37 AM MDT | Winter Weather Advisory | LBF | 6 hr |
| Apr 17, 4:13 AM MDT | Winter Weather Advisory | LBF | 35 hr |
| Apr 26, 11:58 AM MDT | Red Flag Warning | LBF | 6 hr |
| Apr 28, 2:24 AM MDT | Red Flag Warning | LBF | 17 hr |
| May 13, 2:21 PM MDT | Fire Weather Watch | LBF | 13 hr |
| May 16, 11:59 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 12:15 PM MDT | Severe Thunderstorm Warning | LBF | 30 min |
| May 16, 12:51 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 18, 1:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 18, 1:42 PM MDT | Tornado Watch | SPC | 8 hr |
| May 18, 5:58 PM MDT | Severe Thunderstorm Warning | LBF | 47 min |
| May 18, 6:12 PM MDT | Severe Thunderstorm Warning | LBF | 48 min |
| May 18, 6:40 PM MDT | Severe Thunderstorm Warning | LBF | 50 min |
| May 18, 6:48 PM MDT | Severe Thunderstorm Warning | LBF | 42 min |
| May 18, 7:45 PM MDT | Severe Thunderstorm Warning | LBF | 45 min |
| May 20, 12:58 AM MDT | Wind Advisory | LBF | 16 hr |
| May 24, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 24, 6:54 PM MDT | Mesoscale Discussion | SPC | 81 min |
| May 24, 7:23 PM MDT | Severe Thunderstorm Warning | LBF | 52 min |
| May 24, 8:15 PM MDT | Severe Thunderstorm Warning | LBF | 45 min |
| May 24, 8:29 PM MDT | Tornado Warning | LBF | 46 min |
| May 25, 2:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 27, 1:00 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 27, 1:19 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 4:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| May 28, 2:08 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 2:51 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 28, 5:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| May 28, 6:52 PM MDT | Mesoscale Discussion | SPC | 113 min |
| May 28, 9:54 PM MDT | Severe Thunderstorm Warning | LBF | 51 min |
| May 28, 10:43 PM MDT | Severe Thunderstorm Warning | LBF | 47 min |
| May 29, 12:07 AM MDT | Severe Thunderstorm Warning | LBF | 38 min |
| May 29, 11:52 AM MDT | Mesoscale Discussion | SPC | 53 min |
| May 29, 12:04 PM MDT | Tornado Watch | SPC | 9 hr |
| May 29, 2:24 PM MDT | Mesoscale Discussion | SPC | 66 min |
| May 30, 8:31 PM MDT | Wind Advisory | LBF | 24 hr |
| Jun 3, 4:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 6:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Jun 16, 12:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 16, 1:06 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 2:11 PM MDT | Severe Thunderstorm Warning | LBF | 49 min |
| Jun 16, 2:53 PM MDT | Severe Thunderstorm Warning | LBF | 37 min |
| Jun 16, 3:25 PM MDT | Severe Thunderstorm Warning | LBF | 50 min |
| Jun 16, 5:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 17, 1:06 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 17, 2:21 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 5:31 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 21, 5:56 PM MDT | Severe Thunderstorm Warning | LBF | 49 min |
| Jun 21, 6:01 PM MDT | Tornado Warning | LBF | 29 min |
| Jun 21, 6:29 PM MDT | Severe Thunderstorm Warning | LBF | 46 min |
| Jun 22, 4:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 22, 4:56 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 22, 6:47 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 22, 8:14 PM MDT | Severe Thunderstorm Warning | LBF | 46 min |
| Jun 23, 7:35 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 23, 9:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 23, 11:17 PM MDT | Severe Thunderstorm Warning | LBF | 43 min |
| Jun 23, 11:48 PM MDT | Severe Thunderstorm Warning | LBF | 42 min |
| Jul 7, 8:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 9:04 PM MDT | Severe Thunderstorm Warning | LBF | 56 min |
| Jul 8, 9:03 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 10, 6:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 11, 12:58 PM MDT | Heat Advisory | LBF | 31 hr |
| Jul 12, 3:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 13, 2:30 AM MDT | Heat Advisory | LBF | 18 hr |
| Jul 13, 11:06 PM MDT | Severe Thunderstorm Warning | LBF | 54 min |
| Jul 20, 1:06 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 7:23 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 22, 11:34 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 23, 5:12 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 23, 7:54 PM MDT | Severe Thunderstorm Warning | LBF | 36 min |
| Jul 23, 8:28 PM MDT | Severe Thunderstorm Warning | LBF | 47 min |
| Jul 24, 1:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 24, 5:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 24, 6:09 PM MDT | Severe Thunderstorm Warning | LBF | 36 min |
| Jul 27, 1:42 AM MDT | Mesoscale Discussion | SPC | 93 min |
| Jul 30, 4:34 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 10:30 PM MDT | Severe Thunderstorm Warning | LBF | 45 min |
| Jul 30, 11:48 PM MDT | Severe Thunderstorm Warning | LBF | 42 min |
| Aug 1, 11:53 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 2:59 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 1, 7:06 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Aug 1, 7:43 PM MDT | Severe Thunderstorm Warning | LBF | 47 min |
| Aug 1, 8:26 PM MDT | Severe Thunderstorm Warning | LBF | 49 min |
| Aug 2, 1:26 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 6:46 AM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 6, 9:21 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Aug 11, 2:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Aug 12, 2:35 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 13, 3:52 PM MDT | Areal Flood Advisory | LBF | 3 hr |
| Aug 21, 2:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 21, 5:46 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 21, 6:34 PM MDT | Severe Thunderstorm Warning | LBF | 41 min |
| Aug 27, 3:07 AM MDT | Heat Advisory | LBF | 15 hr |
| Sep 9, 4:09 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 3, 7:44 PM MDT | Wind Advisory | LBF | 46 hr |
| Oct 10, 2:46 PM MDT | Wind Advisory | LBF | 24 hr |
| Oct 10, 4:41 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Oct 10, 6:43 PM MDT | Severe Thunderstorm Warning | LBF | 47 min |
| Oct 10, 7:10 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Oct 10, 7:11 PM MDT | Severe Thunderstorm Warning | LBF | 49 min |
| Oct 14, 2:17 AM MDT | Wind Advisory | LBF | 36 hr |
| Oct 14, 3:41 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 31, 2:08 PM MDT | Wind Advisory | LBF | 27 hr |
| Nov 4, 2:54 AM MST | Winter Weather Advisory | LBF | 44 hr |
| Nov 16, 1:55 PM MST | Wind Advisory | LBF | 26 hr |
| Dec 4, 3:03 PM MST | Wind Chill Advisory | LBF | 20 hr |
| Dec 8, 2:22 PM MST | Wind Chill Advisory | LBF | 20 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 | 31 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 44 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.