Alert archive / Nebraska / Blaine County
Weather alerts in Blaine County, Nebraska, 2017
122 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Blaine County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 122
- Warnings
- 37
- Watches
- 16
- Advisories
- 23
- Busiest month
- August48 alerts
- Busiest day
- August 13, 20178 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Blaine County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 25 | 12 | 52% | 9 | 67% | 23 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, 3:40 PM CST | Freezing Rain Advisory | LBF | 4 hr |
| Jan 5, 3:00 AM CST | Wind Chill Advisory | LBF | 33 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 |
| Jan 23, 4:13 PM CST | Winter Storm Warning | LBF | 40 hr |
| Jan 23, 4:13 PM CST | Winter Weather Advisory | LBF | 40 hr |
| Feb 7, 12:31 PM CST | Winter Weather Advisory | LBF | 19 hr |
| Feb 21, 4:09 AM CST | Red Flag Warning | LBF | 15 hr |
| Feb 21, 1:42 PM CST | Winter Storm Watch | LBF | 25 hr |
| Feb 22, 2:14 PM CST | Winter Storm Warning | LBF | 46 hr |
| Feb 23, 6:05 PM CST | Mesoscale Discussion | SPC | 6 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 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 |
| Mar 25, 8:47 AM CDT | Dense Fog Advisory | LBF | 2 hr |
| Mar 27, 5:07 AM CDT | Dense Fog Advisory | LBF | 5 hr |
| Mar 28, 6:56 AM CDT | Dense Fog Advisory | LBF | 3 hr |
| Apr 9, 2:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| 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 16, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 16, 7:03 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 9:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 20, 3:50 AM CDT | Frost Advisory | LBF | 28 hr |
| Jun 8, 7:30 PM CDT | Special Weather Statement | LBF | 45 min |
| Jun 13, 2:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 13, 3:13 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 13, 3:42 PM CDT | Severe Thunderstorm Warning | LBF | 48 min |
| Jun 13, 4:03 PM CDT | Severe Thunderstorm Warning | LBF | 42 min |
| Jun 13, 4:43 PM CDT | Severe Thunderstorm Warning | LBF | 30 min |
| Jun 27, 5:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 8:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 27, 9:11 PM CDT | Severe Thunderstorm Warning | LBF | 34 min |
| Jun 27, 11:27 PM CDT | Special Weather Statement | LBF | 48 min |
| Jun 28, 10:58 PM CDT | Special Weather Statement | LBF | 62 min |
| Jul 2, 3:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 2, 4:27 PM CDT | Severe Thunderstorm Warning | LBF | 28 min |
| Jul 2, 4:56 PM CDT | Severe Thunderstorm Warning | LBF | 49 min |
| Jul 2, 5:51 PM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| Jul 2, 6:33 PM CDT | Special Weather Statement | LBF | 42 min |
| Jul 4, 4:59 PM CDT | Special Weather Statement | LBF | 46 min |
| Jul 10, 9:17 PM CDT | Special Weather Statement | LBF | 43 min |
| Jul 10, 9:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 18, 2:44 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 18, 3:19 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 19, 9:31 PM CDT | Special Weather Statement | LBF | 44 min |
| Jul 20, 3:07 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 24, 3:16 PM CDT | Heat Advisory | LBF | 29 hr |
| Jul 25, 4:21 AM CDT | Red Flag Warning | LBF | 16 hr |
| Jul 25, 11:52 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Jul 26, 12:25 AM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| Jul 30, 7:40 PM CDT | Special Weather Statement | LBF | 50 min |
| Aug 2, 2:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 7, 3:36 AM CDT | Dense Fog Advisory | LBF | 6 hr |
| Aug 8, 5:28 AM CDT | Dense Fog Advisory | LBF | 4 hr |
| Aug 12, 3:47 PM CDT | Severe Thunderstorm Warning | LBF | 32 min |
| Aug 12, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 12, 4:18 PM CDT | Severe Thunderstorm Warning | LBF | 28 min |
| Aug 12, 4:23 PM CDT | Special Weather Statement | LBF | 52 min |
| Aug 12, 4:53 PM CDT | Severe Thunderstorm Warning | LBF | 37 min |
| Aug 12, 6:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 12, 6:25 PM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| Aug 12, 7:40 PM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| Aug 12, 9:19 PM CDT | Severe Thunderstorm Warning | LBF | 41 min |
| 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, 4:17 PM CDT | Special Weather Statement | LBF | 43 min |
| Aug 13, 4:33 PM CDT | Severe Thunderstorm Warning | LBF | 42 min |
| Aug 13, 4:58 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| Aug 13, 6:44 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| 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, 12:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 15, 5:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 15, 7:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 15, 11:10 PM CDT | Special Weather Statement | LBF | 50 min |
| Aug 15, 11:56 PM CDT | Special Weather Statement | LBF | 49 min |
| Aug 17, 6:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 10:17 PM CDT | Special Weather Statement | LBF | 43 min |
| Aug 17, 10:59 PM CDT | Special Weather Statement | LBF | 46 min |
| 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, 6:29 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Aug 19, 7:14 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Aug 19, 7:54 PM CDT | Flash Flood Warning | LBF | 6 hr |
| Aug 19, 7:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 19, 10:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 24, 7:38 PM CDT | Special Weather Statement | LBF | 52 min |
| Aug 24, 8:26 PM CDT | Areal Flood Advisory | LBF | 2 hr |
| Aug 24, 9:17 PM CDT | Special Weather Statement | LBF | 43 min |
| Aug 24, 9:54 PM CDT | Special Weather Statement | LBF | 51 min |
| Aug 24, 9:56 PM CDT | Areal Flood Advisory | LBF | 2 hr |
| Aug 24, 10:43 PM CDT | Special Weather Statement | LBF | 47 min |
| Aug 25, 12:00 AM CDT | Areal Flood Advisory | LBF | 3 hr |
| Aug 26, 4:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 7:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 27, 12:57 AM CDT | Severe Thunderstorm Warning | LBF | 48 min |
| Aug 27, 1:15 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 27, 1:36 AM CDT | Severe Thunderstorm Warning | LBF | 54 min |
| Aug 27, 2:01 AM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| Sep 16, 1:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Oct 1, 5:22 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| Oct 1, 6:09 PM CDT | Severe Thunderstorm Warning | LBF | 66 min |
| Oct 2, 8:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 8, 3:06 AM CDT | Hard Freeze Watch | LBF | 12 hr |
| Oct 8, 3:56 PM CDT | Hard Freeze Warning | LBF | 42 hr |
| Nov 13, 11:22 PM CST | Dense Fog Advisory | LBF | 11 hr |
| Dec 26, 2:40 PM CST | Wind Chill Advisory | LBF | 19 hr |
| Dec 29, 3:21 AM CST | Wind Chill Advisory | LBF | 33 hr |
| Dec 29, 11:55 AM CST | Wind Chill Watch | LBF | 16 hr |
| Dec 30, 3:38 AM CST | Wind Chill Warning | LBF | 56 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 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.