Alert archive / Nebraska / Blaine County
Weather alerts in Blaine County, Nebraska, 2011
138 weather alerts in 2011, 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 2011. Tap one for its archive.
- Alerts
- 138
- Warnings
- 41
- Watches
- 30
- Advisories
- 43
- Busiest month
- June22 alerts
- Busiest day
- May 30, 201113 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 3 tornado warnings covering Blaine County in 2011 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Blaine County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 1 | 0% | |
| Severe thunderstorm warnings | 21 | 11 | 48% | 13 | 77% | 20 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 58 | 11 | 81% | 29 | 52% | 12 min |
| NWS North Platte, NE: severe thunderstorm warnings | 334 | 199 | 40% | 433 | 84% | 21 min |
| NWS North Platte, NE: flash flood warnings | 17 | 8 | 53% | 15 | 60% | 119 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 7, 4:51 AM CST | Wind Advisory | LBF | 11 hr |
| Jan 7, 9:36 PM CST | Winter Storm Watch | LBF | 14 hr |
| Jan 8, 3:46 AM CST | Winter Weather Advisory | LBF | 66 hr |
| Jan 8, 11:53 AM CST | Winter Storm Warning | LBF | 49 hr |
| Jan 10, 12:26 PM CST | Wind Chill Advisory | LBF | 24 hr |
| Jan 18, 12:57 PM CST | Winter Weather Advisory | LBF | 32 hr |
| Jan 19, 6:37 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 19, 11:50 AM CST | Winter Storm Warning | LBF | 9 hr |
| Jan 20, 3:16 AM CST | Wind Chill Advisory | LBF | 7 hr |
| Jan 30, 3:28 PM CST | Winter Weather Advisory | LBF | 25 hr |
| Jan 31, 3:31 AM CST | Wind Chill Warning | LBF | 56 hr |
| Feb 2, 3:22 PM CST | Wind Chill Advisory | LBF | 19 hr |
| Feb 7, 3:52 AM CST | Winter Weather Advisory | LBF | 36 hr |
| Feb 7, 4:23 PM CST | Wind Chill Advisory | LBF | 20 hr |
| Feb 8, 1:26 PM CST | Wind Chill Advisory | LBF | 22 hr |
| Feb 13, 3:46 AM CST | Wind Advisory | LBF | 14 hr |
| Feb 17, 3:49 AM CST | Wind Advisory | LBF | 14 hr |
| Feb 17, 12:46 PM CST | Red Flag Warning | LBF | 5 hr |
| Feb 18, 12:55 PM CST | Winter Storm Watch | LBF | 27 hr |
| Feb 19, 3:38 PM CST | Ice Storm Warning | LBF | 15 hr |
| Feb 19, 3:38 PM CST | Winter Weather Advisory | LBF | 24 hr |
| Feb 19, 11:25 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 5, 11:15 PM CST | Winter Weather Advisory | LBF | 41 hr |
| Mar 6, 3:11 AM CST | Winter Storm Watch | LBF | 24 hr |
| Mar 11, 4:05 AM CST | Wind Advisory | LBF | 11 hr |
| Mar 19, 2:51 AM CDT | Wind Advisory | LBF | 16 hr |
| Mar 20, 4:49 AM CDT | Dense Fog Advisory | LBF | 5 hr |
| Mar 21, 6:42 PM CDT | Fire Weather Watch | LBF | 9 hr |
| Mar 25, 4:02 AM CDT | Winter Weather Advisory | LBF | 33 hr |
| Mar 28, 2:31 PM CDT | Winter Weather Advisory | LBF | 5 hr |
| Apr 3, 3:22 AM CDT | Wind Advisory | LBF | 34 hr |
| Apr 9, 4:19 AM CDT | Dense Fog Advisory | LBF | 3 hr |
| Apr 12, 4:03 AM CDT | Red Flag Warning | LBF | 15 hr |
| Apr 13, 4:02 PM CDT | Winter Storm Watch | LBF | 23 hr |
| Apr 14, 3:09 PM CDT | Winter Storm Warning | LBF | 24 hr |
| Apr 15, 10:38 AM CDT | Wind Advisory | LBF | 8 hr |
| Apr 22, 3:30 AM CDT | Wind Advisory | LBF | 19 hr |
| Apr 29, 3:28 AM CDT | Wind Advisory | LBF | 20 hr |
| Apr 29, 3:14 PM CDT | Wind Advisory | LBF | 31 hr |
| May 8, 6:13 PM CDT | Tornado Watch | SPC | 6 hr |
| May 11, 2:25 AM CDT | Severe Thunderstorm Warning | LBF | 50 min |
| May 24, 2:46 PM CDT | Wind Advisory | LBF | 25 hr |
| May 28, 3:33 PM CDT | High Wind Watch | LBF | 36 hr |
| May 30, 3:57 AM CDT | Wind Advisory | LBF | 14 hr |
| May 30, 1:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 30, 2:08 PM CDT | Tornado Watch | SPC | 7 hr |
| May 30, 3:09 PM CDT | Severe Thunderstorm Warning | LBF | 36 min |
| May 30, 3:43 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| May 30, 4:18 PM CDT | Severe Thunderstorm Warning | LBF | 42 min |
| May 30, 4:55 PM CDT | Tornado Warning | LBF | 35 min |
| May 30, 5:01 PM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| May 30, 5:33 PM CDT | Flash Flood Warning | LBF | 3 hr |
| May 30, 5:37 PM CDT | Severe Thunderstorm Warning | LBF | 38 min |
| May 30, 5:50 PM CDT | Severe Thunderstorm Warning | LBF | 40 min |
| May 30, 6:17 PM CDT | Severe Thunderstorm Warning | LBF | 43 min |
| May 30, 6:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 3, 10:12 PM CDT | Severe Thunderstorm Warning | LBF | 33 min |
| Jun 7, 10:45 AM CDT | Red Flag Warning | LBF | 10 hr |
| Jun 14, 4:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 16, 2:55 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 8:26 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 16, 8:54 PM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Jun 16, 9:26 PM CDT | Severe Thunderstorm Warning | LBF | 66 min |
| Jun 19, 6:10 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 19, 8:24 PM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Jun 19, 8:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 21, 3:36 AM CDT | Wind Advisory | LBF | 15 hr |
| Jun 24, 3:41 PM CDT | Flash Flood Watch | LBF | 15 hr |
| Jun 24, 5:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 1:25 AM CDT | Severe Thunderstorm Warning | LBF | 65 min |
| Jun 26, 1:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 2:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 7:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 26, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 9:58 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| Jun 26, 10:45 PM CDT | Severe Thunderstorm Warning | LBF | 30 min |
| Jun 26, 11:14 PM CDT | Severe Thunderstorm Warning | LBF | 31 min |
| Jul 6, 3:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 8, 4:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 7:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 10, 7:24 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 9:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 14, 3:44 PM CDT | Excessive Heat Watch | LBF | 24 hr |
| Jul 15, 3:48 PM CDT | Excessive Heat Warning | LBF | 5 days |
| Jul 21, 3:19 PM CDT | Heat Advisory | LBF | 28 hr |
| Jul 21, 7:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 22, 6:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 26, 5:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 26, 9:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 31, 3:22 PM CDT | Heat Advisory | LBF | 29 hr |
| Aug 7, 1:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 7, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 7, 6:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 7, 7:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 3:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 11, 4:38 PM CDT | Tornado Watch | SPC | 9 hr |
| Aug 11, 9:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Aug 11, 9:30 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| Aug 11, 9:50 PM CDT | Tornado Warning | LBF | 25 min |
| Aug 11, 10:14 PM CDT | Tornado Warning | LBF | 31 min |
| Aug 11, 10:29 PM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Aug 11, 10:45 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| Aug 11, 11:25 PM CDT | Severe Thunderstorm Warning | LBF | 65 min |
| Aug 12, 12:09 AM CDT | Severe Thunderstorm Warning | LBF | 51 min |
| Aug 12, 1:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 17, 5:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Aug 17, 9:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 18, 6:18 PM CDT | Mesoscale Discussion | SPC | 27 min |
| Aug 18, 6:38 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 31, 5:41 AM CDT | Dense Fog Advisory | LBF | 4 hr |
| Sep 19, 3:28 PM CDT | Wind Advisory | LBF | 25 hr |
| Oct 3, 4:42 AM CDT | Fire Weather Watch | LBF | 12 hr |
| Oct 3, 4:16 PM CDT | Red Flag Warning | LBF | 35 hr |
| Oct 5, 3:57 AM CDT | Red Flag Warning | LBF | 15 hr |
| Oct 5, 4:22 AM CDT | Wind Advisory | LBF | 15 hr |
| Oct 5, 3:29 PM CDT | Wind Advisory | LBF | 34 hr |
| Oct 5, 7:40 PM CDT | High Wind Watch | LBF | 8 hr |
| Oct 6, 3:04 AM CDT | High Wind Warning | LBF | 22 hr |
| Oct 6, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Oct 7, 4:07 AM CDT | Red Flag Warning | LBF | 15 hr |
| Oct 17, 3:26 PM CDT | Frost Advisory | LBF | 19 hr |
| Oct 17, 3:26 PM CDT | Freeze Watch | LBF | 24 hr |
| Oct 18, 3:09 PM CDT | Freeze Warning | LBF | 19 hr |
| Nov 1, 4:15 AM CDT | Winter Weather Advisory | LBF | 32 hr |
| Nov 4, 3:52 PM CDT | High Wind Watch | LBF | 11 hr |
| Nov 5, 3:08 AM CDT | Wind Advisory | LBF | 16 hr |
| Nov 7, 3:34 AM CST | Winter Weather Advisory | LBF | 24 hr |
| Nov 19, 6:42 AM CST | Winter Weather Advisory | LBF | 5 hr |
| Nov 24, 3:09 PM CST | High Wind Watch | LBF | 24 hr |
| Nov 25, 4:35 AM CST | Fire Weather Watch | LBF | 11 hr |
| Nov 25, 3:14 PM CST | High Wind Warning | LBF | 24 hr |
| Nov 25, 3:34 PM CST | Red Flag Warning | LBF | 26 hr |
| Nov 26, 3:05 PM CST | Wind Advisory | LBF | 3 hr |
| Dec 1, 3:52 AM CST | Winter Weather Advisory | LBF | 5 hr |
| Dec 12, 1:02 PM CST | Freezing Rain Advisory | LBF | 45 hr |
| Dec 30, 12:30 PM CST | Wind Advisory | LBF | 33 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 archive20102012
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.