Alert archive / Nebraska / Sarpy County
Weather alerts in Sarpy County, Nebraska, 2014
186 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sarpy County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 186
- Warnings
- 46
- Watches
- 30
- Advisories
- 50
- Busiest month
- June71 alerts
- Busiest day
- June 21, 201415 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 1 tornado warnings covering Sarpy County in 2014 had a tornado report inside them.
Sarpy County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 23 | 14 | 39% | 9 | 67% | 24 min |
| Flash flood warnings | 7 | 4 | 43% | 3 | 100% | 162 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Omaha, NE: tornado warnings | 29 | 15 | 48% | 36 | 81% | 16 min |
| NWS Omaha, NE: severe thunderstorm warnings | 359 | 166 | 54% | 384 | 89% | 20 min |
| NWS Omaha, NE: flash flood warnings | 35 | 18 | 49% | 30 | 87% | 73 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 3, 2:29 PM CST | Wind Chill Watch | OAX | 25 hr |
| Jan 4, 3:14 PM CST | Wind Chill Warning | OAX | 45 hr |
| Jan 6, 12:10 PM CST | Wind Chill Advisory | OAX | 12 hr |
| Jan 13, 3:48 PM CST | Wind Advisory | OAX | 26 hr |
| Jan 14, 3:45 PM CST | High Wind Watch | OAX | 24 hr |
| Jan 15, 3:33 PM CST | High Wind Warning | OAX | 26 hr |
| Jan 16, 1:47 PM CST | Special Weather Statement | OAX | 43 min |
| Jan 16, 5:25 PM CST | Wind Advisory | OAX | 5 hr |
| Jan 17, 3:21 PM CST | Wind Advisory | OAX | 26 hr |
| Jan 18, 10:43 AM CST | High Wind Warning | OAX | 4 hr |
| Jan 18, 10:43 AM CST | Wind Advisory | OAX | 7 hr |
| Jan 20, 3:46 AM CST | Wind Advisory | OAX | 17 hr |
| Jan 22, 3:19 AM CST | Wind Chill Advisory | OAX | 31 hr |
| Jan 25, 3:45 AM CST | High Wind Watch | OAX | 24 hr |
| Jan 26, 3:45 AM CST | High Wind Warning | OAX | 17 hr |
| Jan 26, 3:45 AM CST | Wind Advisory | OAX | 20 hr |
| Jan 26, 3:59 AM CST | Wind Chill Advisory | OAX | 30 hr |
| Feb 3, 1:32 PM CST | Winter Weather Advisory | OAX | 37 hr |
| Feb 4, 3:13 AM CST | Wind Chill Advisory | OAX | 32 hr |
| Feb 5, 3:27 PM CST | Wind Chill Advisory | OAX | 20 hr |
| Feb 16, 3:45 PM CST | Winter Weather Advisory | OAX | 16 hr |
| Feb 19, 3:54 PM CST | Winter Weather Advisory | OAX | 23 hr |
| Feb 19, 4:24 PM CST | Wind Advisory | OAX | 26 hr |
| Feb 20, 5:28 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 28, 3:28 PM CST | Winter Weather Advisory | OAX | 27 hr |
| Mar 1, 3:30 PM CST | Wind Chill Advisory | OAX | 20 hr |
| Mar 2, 3:47 PM CST | Wind Chill Advisory | OAX | 18 hr |
| Mar 10, 3:36 PM CDT | Wind Advisory | OAX | 29 hr |
| Mar 11, 7:55 AM CDT | River Flood Advisory | OAX | 25 hr |
| Mar 11, 7:55 AM CDT | River Flood Advisory | OAX | 25 hr |
| Mar 14, 2:34 PM CDT | Red Flag Warning | OAX | 4 hr |
| Mar 16, 3:30 PM CDT | Red Flag Warning | OAX | 26 hr |
| Mar 25, 3:34 PM CDT | Wind Advisory | OAX | 28 hr |
| Mar 30, 3:20 AM CDT | Red Flag Warning | OAX | 17 hr |
| Mar 30, 3:46 PM CDT | Fire Weather Watch | OAX | 12 hr |
| Mar 30, 3:47 PM CDT | Wind Advisory | OAX | 35 hr |
| Mar 31, 3:34 AM CDT | Red Flag Warning | OAX | 12 hr |
| Apr 8, 4:10 AM CDT | Fire Weather Watch | OAX | 11 hr |
| Apr 8, 3:31 PM CDT | Red Flag Warning | OAX | 27 hr |
| Apr 12, 4:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 13, 7:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 9:19 AM CDT | Wind Advisory | OAX | 12 hr |
| Apr 13, 9:44 AM CDT | Special Weather Statement | OAX | 46 min |
| Apr 13, 10:08 AM CDT | Areal Flood Advisory | OAX | 52 min |
| Apr 13, 1:16 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 16, 4:05 AM CDT | Red Flag Warning | OAX | 14 hr |
| Apr 16, 4:10 AM CDT | Wind Advisory | OAX | 16 hr |
| Apr 22, 3:43 PM CDT | Wind Advisory | OAX | 27 hr |
| Apr 25, 9:09 AM CDT | Red Flag Warning | OAX | 10 hr |
| May 7, 7:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 7, 7:59 PM CDT | Special Weather Statement | OAX | 46 min |
| May 7, 8:18 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 7, 8:51 PM CDT | Severe Thunderstorm Warning | OAX | 24 min |
| May 7, 9:18 PM CDT | Special Weather Statement | OAX | 42 min |
| May 8, 2:10 PM CDT | Special Weather Statement | OAX | 50 min |
| May 10, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 11, 1:19 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 2:58 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 7:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| May 11, 8:25 AM CDT | Severe Thunderstorm Warning | OAX | 50 min |
| May 11, 12:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 11, 2:21 PM CDT | Tornado Watch | SPC | 8 hr |
| May 11, 3:05 PM CDT | Flash Flood Watch | OAX | 10 hr |
| May 11, 4:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 11, 6:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 11, 6:54 PM CDT | Severe Thunderstorm Warning | OAX | 51 min |
| May 11, 7:00 PM CDT | Tornado Warning | OAX | 30 min |
| May 11, 7:17 PM CDT | Severe Thunderstorm Warning | OAX | 43 min |
| May 11, 7:35 PM CDT | Flash Flood Warning | OAX | 3 hr |
| May 11, 9:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 15, 3:28 PM CDT | Frost Advisory | OAX | 16 hr |
| May 16, 3:15 PM CDT | Frost Advisory | OAX | 16 hr |
| May 25, 9:04 PM CDT | Special Weather Statement | OAX | 26 min |
| Jun 1, 1:28 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 1, 3:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 1, 4:24 PM CDT | Severe Thunderstorm Warning | OAX | 36 min |
| Jun 1, 4:53 PM CDT | Severe Thunderstorm Warning | OAX | 37 min |
| Jun 1, 5:11 PM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jun 1, 5:26 PM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jun 3, 3:51 AM CDT | Flash Flood Watch | OAX | 23 hr |
| Jun 3, 1:12 PM CDT | Tornado Watch | SPC | 10 hr |
| Jun 3, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 3, 4:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 3, 5:59 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 6:13 PM CDT | Flash Flood Warning | OAX | 6 hr |
| Jun 3, 6:15 PM CDT | Severe Thunderstorm Warning | OAX | 30 min |
| Jun 3, 6:44 PM CDT | Severe Thunderstorm Warning | OAX | 31 min |
| Jun 3, 7:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 3, 7:38 PM CDT | Severe Thunderstorm Warning | OAX | 37 min |
| Jun 3, 8:06 PM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Jun 3, 8:41 PM CDT | Areal Flood Advisory | OAX | 6 hr |
| Jun 3, 9:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 3, 10:49 PM CDT | Special Weather Statement | OAX | 26 min |
| Jun 5, 1:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 5, 4:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 5, 4:55 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 14, 4:00 AM CDT | Wind Advisory | OAX | 13 hr |
| Jun 14, 11:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 14, 11:46 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 15, 1:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 15, 1:41 AM CDT | Severe Thunderstorm Warning | OAX | 34 min |
| Jun 15, 2:29 AM CDT | Special Weather Statement | OAX | 46 min |
| Jun 15, 2:49 AM CDT | High Wind Warning | OAX | 71 min |
| Jun 16, 7:12 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 10:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 16, 11:00 AM CDT | Severe Thunderstorm Warning | OAX | 60 min |
| Jun 16, 2:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 17, 3:19 PM CDT | River Flood Advisory | OAX | 25 hr |
| Jun 18, 2:19 PM CDT | River Flood Warning | OAX | 6 days |
| Jun 20, 10:18 AM CDT | River Flood Advisory | OAX | 25 hr |
| Jun 20, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 20, 5:44 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 20, 8:10 PM CDT | Severe Thunderstorm Warning | OAX | 35 min |
| Jun 20, 8:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 20, 8:43 PM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Jun 20, 8:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 20, 8:54 PM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jun 20, 9:12 PM CDT | Severe Thunderstorm Warning | OAX | 33 min |
| Jun 20, 9:41 PM CDT | Flash Flood Warning | OAX | 6 hr |
| Jun 20, 9:45 PM CDT | Severe Thunderstorm Warning | OAX | 45 min |
| Jun 20, 10:26 PM CDT | Severe Thunderstorm Warning | OAX | 34 min |
| Jun 20, 11:20 PM CDT | Flash Flood Warning | OAX | 6 hr |
| Jun 20, 11:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 20, 11:52 PM CDT | River Flood Warning | OAX | 43 hr |
| Jun 21, 12:08 AM CDT | Severe Thunderstorm Warning | OAX | 37 min |
| Jun 21, 12:12 AM CDT | Flash Flood Warning | OAX | 6 hr |
| Jun 21, 12:44 AM CDT | Special Weather Statement | OAX | 31 min |
| Jun 22, 10:22 AM CDT | River Flood Advisory | OAX | 25 hr |
| Jun 23, 11:46 AM CDT | River Flood Advisory | OAX | 45 hr |
| Jun 26, 1:58 PM CDT | Special Weather Statement | OAX | 32 min |
| Jun 26, 2:54 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 4:30 PM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jun 26, 4:36 PM CDT | Special Weather Statement | OAX | 39 min |
| Jun 27, 8:12 AM CDT | Areal Flood Advisory | OAX | 3 hr |
| Jun 27, 3:31 PM CDT | Flash Flood Watch | OAX | 17 hr |
| Jun 28, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 29, 2:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 29, 4:04 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 29, 6:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 30, 2:56 AM CDT | Flash Flood Watch | OAX | 10 hr |
| Jun 30, 4:06 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 30, 9:08 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 30, 9:38 AM CDT | Tornado Watch | SPC | 10 hr |
| Jun 30, 1:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 5, 1:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 7, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 7:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 12, 3:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 20, 3:08 PM CDT | Heat Advisory | OAX | 53 hr |
| Aug 20, 2:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 3:20 PM CDT | Flash Flood Watch | OAX | 19 hr |
| Aug 27, 11:29 PM CDT | Flash Flood Watch | OAX | 11 hr |
| Aug 28, 4:56 AM CDT | Areal Flood Advisory | OAX | 3 hr |
| Aug 28, 5:56 AM CDT | Areal Flood Advisory | OAX | 2 hr |
| Aug 29, 1:33 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 2:43 PM CDT | Special Weather Statement | OAX | 62 min |
| Aug 31, 2:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 31, 3:31 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 31, 6:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 31, 7:28 PM CDT | Special Weather Statement | OAX | 32 min |
| Sep 9, 11:26 AM CDT | Special Weather Statement | OAX | 34 min |
| Sep 9, 2:57 PM CDT | Special Weather Statement | OAX | 33 min |
| Sep 9, 3:01 PM CDT | Severe Thunderstorm Warning | OAX | 29 min |
| Sep 9, 3:06 PM CDT | Severe Thunderstorm Warning | OAX | 24 min |
| Sep 9, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 9, 3:28 PM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Sep 9, 3:34 PM CDT | Tornado Watch | SPC | 8 hr |
| Sep 9, 3:40 PM CDT | Flash Flood Watch | OAX | 11 hr |
| Sep 9, 3:53 PM CDT | Severe Thunderstorm Warning | OAX | 37 min |
| Sep 9, 5:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Sep 9, 7:25 PM CDT | Flash Flood Warning | OAX | 110 min |
| Sep 9, 9:12 PM CDT | Flash Flood Warning | OAX | 108 min |
| Sep 15, 1:19 AM CDT | Special Weather Statement | OAX | 41 min |
| Sep 20, 4:46 AM CDT | Special Weather Statement | OAX | 44 min |
| Sep 20, 5:34 AM CDT | Special Weather Statement | OAX | 56 min |
| Oct 3, 3:46 AM CDT | Freeze Watch | OAX | 11 hr |
| Oct 3, 3:15 PM CDT | Freeze Warning | OAX | 17 hr |
| Oct 10, 2:55 PM CDT | Frost Advisory | OAX | 18 hr |
| Nov 10, 4:25 AM CST | Wind Advisory | OAX | 23 hr |
| Nov 14, 3:34 AM CST | Winter Weather Advisory | OAX | 44 hr |
| Nov 26, 9:10 AM CST | Wind Advisory | OAX | 5 hr |
| Dec 5, 4:12 AM CST | Dense Fog Advisory | OAX | 6 hr |
| Dec 7, 9:05 AM CST | Special Weather Statement | OAX | 100 min |
| Dec 15, 3:52 PM CST | Wind Advisory | OAX | 14 hr |
| Dec 20, 8:54 PM CST | Dense Fog Advisory | OAX | 10 hr |
| Dec 30, 3:37 PM CST | Wind Chill Advisory | OAX | 18 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 archive20132015
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.