Alert archive / Nebraska / Dixon County
Weather alerts in Dixon County, Nebraska, 2010
135 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Dixon County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 135
- Warnings
- 22
- Watches
- 34
- Advisories
- 34
- Busiest month
- June37 alerts
- Busiest day
- August 8, 20108 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Dixon County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 10 | 17% | 4 | 75% | 21 min |
| Flash flood warnings | 2 | 2 | 0% | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Sioux Falls, SD: tornado warnings | 45 | 20 | 56% | 34 | 91% | 20 min |
| NWS Sioux Falls, SD: severe thunderstorm warnings | 320 | 241 | 25% | 508 | 87% | 20 min |
| NWS Sioux Falls, SD: flash flood warnings | 77 | 62 | 19% | 124 | 91% | 64 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 1, 10:17 AM CST | Wind Chill Advisory | FSD | 18 hr |
| Jan 5, 3:52 AM CST | Winter Weather Advisory | FSD | 35 hr |
| Jan 5, 2:53 PM CST | Blizzard Watch | FSD | 19 hr |
| Jan 5, 2:53 PM CST | Winter Storm Warning | FSD | 54 hr |
| Jan 6, 9:59 AM CST | Blizzard Warning | FSD | 23 hr |
| Jan 6, 9:14 PM CST | Wind Chill Warning | FSD | 39 hr |
| Jan 14, 9:14 PM CST | Dense Fog Advisory | FSD | 15 hr |
| Jan 16, 10:17 PM CST | Dense Fog Advisory | FSD | 12 hr |
| Jan 17, 3:14 PM CST | Dense Fog Advisory | FSD | 21 hr |
| Jan 18, 2:35 PM CST | Dense Fog Advisory | FSD | 19 hr |
| Jan 19, 4:36 AM CST | Winter Storm Watch | FSD | 10 hr |
| Jan 19, 2:21 PM CST | Ice Storm Warning | FSD | 24 hr |
| Jan 19, 11:54 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 3:43 AM CST | Wind Advisory | FSD | 41 hr |
| Jan 24, 6:23 PM CST | Winter Weather Advisory | FSD | 34 hr |
| Feb 3, 3:16 PM CST | Winter Weather Advisory | FSD | 47 hr |
| Feb 13, 3:26 PM CST | Winter Weather Advisory | FSD | 45 hr |
| Mar 9, 3:17 PM CST | Dense Fog Advisory | FSD | 13 hr |
| Mar 11, 4:08 AM CST | Winter Weather Advisory | FSD | 26 hr |
| Apr 1, 11:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 13, 3:15 AM CDT | Wind Advisory | FSD | 19 hr |
| Apr 23, 7:28 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 24, 1:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 28, 3:30 AM CDT | Wind Advisory | FSD | 17 hr |
| May 1, 3:08 AM CDT | Wind Advisory | FSD | 16 hr |
| May 5, 3:38 AM CDT | Wind Advisory | FSD | 12 hr |
| May 7, 3:38 AM CDT | Wind Advisory | FSD | 17 hr |
| May 22, 3:44 AM CDT | Wind Advisory | FSD | 17 hr |
| May 23, 3:23 PM CDT | Wind Advisory | FSD | 30 hr |
| Jun 1, 8:46 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 10:21 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 1, 12:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 1, 1:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 1, 1:53 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 3, 5:57 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 9:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 10, 5:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 6:44 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 10:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 10, 3:20 PM CDT | Flash Flood Watch | FSD | 22 hr |
| Jun 11, 1:07 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 11, 1:13 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 11, 1:50 AM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jun 11, 2:15 AM CDT | Severe Thunderstorm Warning | FSD | 30 min |
| Jun 11, 2:36 AM CDT | Severe Thunderstorm Warning | FSD | 39 min |
| Jun 11, 4:11 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 11, 3:31 PM CDT | Flash Flood Watch | FSD | 18 hr |
| Jun 17, 12:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 17, 1:54 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 19, 3:43 AM CDT | Flash Flood Watch | FSD | 48 hr |
| Jun 20, 4:26 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 20, 4:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 20, 9:35 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jun 20, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 21, 4:43 AM CDT | Mesoscale Discussion | SPC | 32 min |
| Jun 22, 11:21 AM CDT | Flash Flood Watch | FSD | 17 hr |
| Jun 22, 3:37 PM CDT | Mesoscale Discussion | SPC | 23 min |
| Jun 22, 7:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 7:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 22, 9:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 22, 10:30 PM CDT | Severe Thunderstorm Warning | FSD | 30 min |
| Jun 22, 11:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 25, 5:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 26, 3:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 4:50 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 26, 9:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 10, 7:11 PM CDT | Mesoscale Discussion | SPC | 34 min |
| Jul 10, 8:01 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 10, 11:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 16, 3:17 PM CDT | Heat Advisory | FSD | 28 hr |
| Jul 17, 4:37 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 17, 7:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 17, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 19, 2:27 AM CDT | Severe Thunderstorm Warning | FSD | 33 min |
| Jul 19, 3:00 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 21, 8:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 21, 11:25 PM CDT | Flash Flood Warning | FSD | 7 hr |
| Jul 21, 11:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 22, 2:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 22, 2:59 PM CDT | Flash Flood Watch | FSD | 35 hr |
| Jul 23, 6:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 23, 8:30 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 23, 10:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 27, 5:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 1:22 PM CDT | Flash Flood Warning | FSD | 5 hr |
| Aug 1, 9:30 PM CDT | Flash Flood Watch | FSD | 14 hr |
| Aug 6, 3:32 PM CDT | Excessive Heat Watch | FSD | 24 hr |
| Aug 7, 3:43 PM CDT | Excessive Heat Warning | FSD | 27 hr |
| Aug 7, 3:43 PM CDT | Heat Advisory | FSD | 48 hr |
| Aug 8, 1:14 PM CDT | Flash Flood Watch | FSD | 8 hr |
| Aug 8, 2:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 8, 2:32 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 8, 4:06 PM CDT | Tornado Watch | SPC | 6 hr |
| Aug 8, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 8, 6:16 PM CDT | Severe Thunderstorm Warning | FSD | 29 min |
| Aug 8, 6:40 PM CDT | Severe Thunderstorm Warning | FSD | 65 min |
| Aug 8, 8:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 9, 3:14 PM CDT | Flash Flood Watch | FSD | 24 hr |
| Aug 11, 3:25 AM CDT | Heat Advisory | FSD | 41 hr |
| Aug 11, 3:22 PM CDT | Flash Flood Watch | FSD | 43 hr |
| Aug 12, 2:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 19, 8:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Sep 2, 1:11 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 2, 3:15 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 5, 2:19 PM CDT | Wind Advisory | FSD | 41 hr |
| Sep 15, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 15, 5:17 PM CDT | Severe Thunderstorm Warning | FSD | 28 min |
| Sep 20, 10:19 AM CDT | Wind Advisory | FSD | 9 hr |
| Sep 22, 8:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 22, 10:47 AM CDT | Severe Thunderstorm Warning | FSD | 43 min |
| Sep 22, 11:12 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 22, 11:29 AM CDT | Severe Thunderstorm Warning | FSD | 46 min |
| Sep 22, 4:00 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 22, 7:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 22, 10:35 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Sep 25, 7:00 AM CDT | Severe Thunderstorm Warning | FSD | 30 min |
| Sep 25, 7:39 AM CDT | Severe Thunderstorm Warning | FSD | 51 min |
| Oct 2, 3:41 AM CDT | Frost Advisory | FSD | 29 hr |
| Oct 23, 5:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Oct 24, 3:21 PM CDT | High Wind Watch | FSD | 24 hr |
| Oct 25, 3:37 PM CDT | High Wind Watch | FSD | 24 hr |
| Oct 25, 3:37 PM CDT | High Wind Warning | FSD | 51 hr |
| Nov 3, 9:12 AM CDT | Wind Advisory | FSD | 9 hr |
| Nov 20, 7:52 PM CST | Winter Weather Advisory | FSD | 13 hr |
| Nov 22, 4:22 AM CST | Winter Weather Advisory | FSD | 6 hr |
| Nov 23, 2:59 PM CST | Winter Weather Advisory | FSD | 29 hr |
| Nov 30, 3:47 AM CST | Wind Advisory | FSD | 14 hr |
| Dec 10, 4:27 AM CST | Winter Weather Advisory | FSD | 18 hr |
| Dec 10, 12:28 PM CST | Blizzard Warning | FSD | 39 hr |
| Dec 11, 3:12 PM CST | Wind Chill Advisory | FSD | 21 hr |
| Dec 29, 3:41 AM CST | Winter Storm Watch | FSD | 36 hr |
| Dec 29, 3:07 PM CST | Dense Fog Advisory | FSD | 24 hr |
| Dec 29, 3:27 PM CST | Winter Storm Warning | FSD | 69 hr |
| Dec 30, 3:45 PM CST | Winter Weather Advisory | FSD | 44 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 | 12 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 45 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 9 |
| Winter | |
| Blizzard Warning | 2 |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 2 |
| Blizzard Watch | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 10 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
| Cold | |
| Wind Chill Warning | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 2 |
| Wind Advisory | 12 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.