Alert archive / Nebraska / Merrick County
Weather alerts in Merrick County, Nebraska, 2019
169 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Merrick County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 169
- Warnings
- 51
- Watches
- 23
- Advisories
- 46
- Busiest month
- June30 alerts
- Busiest day
- May 28, 201912 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Merrick County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 24 | 10 | 58% | 5 | 100% | 23 min |
| Flash flood warnings | 3 | 1 | 67% | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hastings, NE: tornado warnings | 19 | 8 | 58% | 28 | 71% | 28 min |
| NWS Hastings, NE: severe thunderstorm warnings | 364 | 156 | 57% | 459 | 83% | 21 min |
| NWS Hastings, NE: flash flood warnings | 47 | 12 | 74% | 36 | 69% | 138 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 14, 5:29 PM CST | Dense Fog Advisory | GID | 20 hr |
| Jan 17, 11:19 AM CST | Winter Weather Advisory | GID | 33 hr |
| Jan 21, 3:34 AM CST | Winter Weather Advisory | GID | 47 hr |
| Jan 22, 6:02 PM CST | Winter Weather Advisory | GID | 4 hr |
| Jan 26, 3:13 PM CST | High Wind Watch | GID | 12 hr |
| Jan 27, 3:18 AM CST | High Wind Warning | GID | 33 hr |
| Jan 28, 4:35 AM CST | Wind Chill Advisory | GID | 54 hr |
| Feb 1, 9:10 PM CST | Dense Fog Advisory | GID | 14 hr |
| Feb 2, 9:06 PM CST | Dense Fog Advisory | GID | 17 hr |
| Feb 6, 3:44 AM CST | Winter Weather Advisory | GID | 30 hr |
| Feb 7, 3:30 AM CST | Wind Chill Advisory | GID | 31 hr |
| Feb 10, 3:22 AM CST | Winter Weather Advisory | GID | 43 hr |
| Feb 14, 2:30 AM CST | Winter Weather Advisory | GID | 37 hr |
| Feb 16, 2:35 AM CST | Winter Weather Advisory | GID | 25 hr |
| Feb 18, 3:05 PM CST | Winter Weather Advisory | GID | 41 hr |
| Feb 19, 3:03 AM CST | Winter Storm Warning | GID | 29 hr |
| Feb 21, 3:46 PM CST | Winter Storm Watch | GID | 22 hr |
| Feb 21, 11:34 PM CST | Winter Weather Advisory | GID | 45 hr |
| Feb 23, 1:52 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Mar 2, 3:38 AM CST | Wind Chill Advisory | GID | 56 hr |
| Mar 6, 3:15 AM CST | Winter Weather Advisory | GID | 27 hr |
| Mar 7, 12:09 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 8, 4:12 AM CST | Winter Weather Advisory | GID | 30 hr |
| Mar 8, 4:44 AM CST | Dense Fog Advisory | GID | 9 hr |
| Mar 8, 4:57 PM CST | Dense Fog Advisory | GID | 17 hr |
| Mar 11, 4:35 AM CDT | Flood Watch | GID | 58 hr |
| Mar 11, 1:18 PM CDT | High Wind Watch | GID | 23 hr |
| Mar 12, 9:56 AM CDT | Dense Fog Advisory | GID | 24 hr |
| Mar 12, 11:54 AM CDT | Winter Storm Watch | GID | 17 hr |
| Mar 12, 12:03 PM CDT | High Wind Warning | GID | 58 hr |
| Mar 13, 4:33 AM CDT | Winter Storm Warning | GID | 17 hr |
| Mar 13, 4:33 AM CDT | Winter Weather Advisory | GID | 25 hr |
| Mar 13, 9:54 AM CDT | Areal Flood Warning | GID | 38 min |
| Mar 13, 10:20 AM CDT | River Flood Warning | GID | 4 days |
| Mar 13, 10:25 AM CDT | Areal Flood Warning | GID | 54 hr |
| Mar 13, 3:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Mar 13, 3:49 PM CDT | Flash Flood Warning | GID | 8 hr |
| Mar 13, 8:56 PM CDT | Flash Flood Warning | GID | 3 hr |
| Mar 13, 9:54 PM CDT | Blizzard Warning | GID | 14 hr |
| Mar 13, 11:48 PM CDT | Flash Flood Warning | GID | 8 hr |
| Mar 15, 4:19 PM CDT | Areal Flood Warning | GID | 24 hr |
| Mar 16, 3:59 PM CDT | Areal Flood Warning | GID | 24 hr |
| Mar 17, 2:53 PM CDT | Areal Flood Warning | GID | 48 hr |
| Mar 19, 2:51 PM CDT | Areal Flood Warning | GID | 52 min |
| Mar 19, 2:58 PM CDT | Areal Flood Warning | GID | 4 days |
| Apr 5, 3:35 AM CDT | Dense Fog Advisory | GID | 6 hr |
| Apr 9, 3:54 PM CDT | Winter Weather Advisory | GID | 51 hr |
| Apr 10, 5:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 10, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 10, 8:48 PM CDT | Special Weather Statement | GID | 42 min |
| Apr 10, 9:18 PM CDT | Severe Thunderstorm Warning | GID | 42 min |
| Apr 10, 10:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 1:27 AM CDT | Special Weather Statement | GID | 48 min |
| Apr 21, 7:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 9:06 PM CDT | Severe Thunderstorm Warning | GID | 39 min |
| Apr 27, 3:38 AM CDT | Frost Advisory | GID | 24 hr |
| May 5, 1:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 3:16 PM CDT | Severe Thunderstorm Warning | GID | 44 min |
| May 5, 3:39 PM CDT | Severe Thunderstorm Warning | GID | 51 min |
| May 5, 3:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 5, 4:26 PM CDT | Severe Thunderstorm Warning | GID | 49 min |
| May 5, 5:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 9, 3:17 AM CDT | Frost Advisory | GID | 30 hr |
| May 16, 8:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 17, 11:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 5:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 26, 9:02 PM CDT | Areal Flood Advisory | GID | 3 hr |
| May 27, 8:02 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 27, 9:10 PM CDT | Flash Flood Watch | GID | 9 hr |
| May 27, 11:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 28, 1:11 AM CDT | Severe Thunderstorm Warning | GID | 49 min |
| May 28, 1:14 AM CDT | Severe Thunderstorm Warning | GID | 46 min |
| May 28, 1:55 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 28, 2:00 AM CDT | Special Weather Statement | GID | 45 min |
| May 28, 2:02 AM CDT | Severe Thunderstorm Warning | GID | 43 min |
| May 28, 2:45 AM CDT | Severe Thunderstorm Warning | GID | 30 min |
| May 28, 5:02 AM CDT | Special Weather Statement | GID | 43 min |
| May 28, 6:17 AM CDT | Areal Flood Warning | GID | 27 hr |
| May 28, 4:10 PM CDT | Areal Flood Advisory | GID | 72 hr |
| May 29, 9:07 AM CDT | Areal Flood Warning | GID | 36 hr |
| Jun 5, 1:40 AM CDT | Special Weather Statement | GID | 35 min |
| Jun 5, 1:59 AM CDT | Severe Thunderstorm Warning | GID | 31 min |
| Jun 8, 2:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 8, 8:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 8, 9:16 PM CDT | Special Weather Statement | GID | 29 min |
| Jun 17, 2:36 PM CDT | Flood Watch | GID | 30 hr |
| Jun 20, 9:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 8:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 20, 9:44 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 12:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 21, 12:50 AM CDT | Severe Thunderstorm Warning | GID | 40 min |
| Jun 21, 1:30 AM CDT | Severe Thunderstorm Warning | GID | 45 min |
| Jun 21, 2:12 AM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Jun 21, 4:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 25, 1:49 AM CDT | Severe Thunderstorm Warning | GID | 41 min |
| Jun 25, 1:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 25, 3:08 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 26, 1:30 AM CDT | Severe Thunderstorm Warning | GID | 30 min |
| Jun 26, 1:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 2:26 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 3:27 AM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Jun 26, 4:14 AM CDT | Special Weather Statement | GID | 31 min |
| Jun 26, 4:44 AM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Jun 26, 5:10 AM CDT | Areal Flood Advisory | GID | 3 hr |
| Jun 26, 5:26 AM CDT | Severe Thunderstorm Warning | GID | 49 min |
| Jun 26, 5:37 AM CDT | Severe Thunderstorm Warning | GID | 38 min |
| Jun 26, 6:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 26, 8:16 AM CDT | Areal Flood Warning | GID | 12 hr |
| Jun 28, 2:44 PM CDT | Heat Advisory | GID | 30 hr |
| Jun 29, 2:25 AM CDT | Heat Advisory | GID | 41 hr |
| Jul 2, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 2, 5:15 PM CDT | Areal Flood Advisory | GID | 3 hr |
| Jul 5, 4:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 9:33 PM CDT | River Flood Warning | GID | 21 days |
| Jul 13, 1:46 AM CDT | Special Weather Statement | GID | 44 min |
| Jul 15, 3:35 PM CDT | Excessive Heat Watch | GID | 23 hr |
| Jul 16, 3:10 AM CDT | Special Weather Statement | GID | 50 min |
| Jul 16, 2:57 PM CDT | Excessive Heat Warning | GID | 4 days |
| Jul 20, 11:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 21, 3:17 AM CDT | Special Weather Statement | GID | 28 min |
| Jul 21, 7:03 AM CDT | Areal Flood Advisory | GID | 6 hr |
| Aug 6, 6:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 6, 8:19 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 7, 2:15 AM CDT | Severe Thunderstorm Warning | GID | 45 min |
| Aug 7, 2:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 7, 2:46 AM CDT | Severe Thunderstorm Warning | GID | 44 min |
| Aug 7, 3:36 AM CDT | Special Weather Statement | GID | 24 min |
| Aug 7, 3:51 AM CDT | Areal Flood Advisory | GID | 8 hr |
| Aug 10, 6:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 11, 5:15 AM CDT | Flash Flood Watch | GID | 22 hr |
| Aug 11, 9:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 12, 1:15 AM CDT | Special Weather Statement | GID | 45 min |
| Aug 12, 2:05 AM CDT | Special Weather Statement | GID | 40 min |
| Aug 21, 1:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 21, 1:55 AM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Aug 21, 1:59 AM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Aug 23, 12:54 AM CDT | Areal Flood Advisory | GID | 8 hr |
| Aug 23, 10:01 AM CDT | Areal Flood Advisory | GID | 8 hr |
| Aug 23, 5:57 PM CDT | Areal Flood Advisory | GID | 24 hr |
| Aug 26, 5:44 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 26, 5:52 AM CDT | Severe Thunderstorm Warning | GID | 38 min |
| Aug 26, 6:34 AM CDT | Special Weather Statement | GID | 41 min |
| Aug 26, 8:46 AM CDT | Areal Flood Advisory | GID | 60 hr |
| Aug 27, 3:38 PM CDT | Areal Flood Warning | GID | 30 hr |
| Aug 28, 9:30 PM CDT | Areal Flood Warning | GID | 7 days |
| Sep 1, 5:12 AM CDT | Dense Fog Advisory | GID | 6 hr |
| Sep 8, 2:53 AM CDT | Dense Fog Advisory | GID | 7 hr |
| Sep 28, 9:27 PM CDT | Dense Fog Advisory | GID | 11 hr |
| Sep 30, 3:10 AM CDT | Flash Flood Watch | GID | 42 hr |
| Sep 30, 4:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 30, 9:06 PM CDT | Special Weather Statement | GID | 39 min |
| Oct 9, 2:25 AM CDT | Freeze Watch | GID | 13 hr |
| Oct 9, 3:35 PM CDT | Freeze Warning | GID | 44 hr |
| Oct 11, 10:14 AM CDT | Freeze Warning | GID | 23 hr |
| Oct 29, 3:46 AM CDT | Winter Weather Advisory | GID | 33 hr |
| Nov 10, 1:55 PM CST | Winter Weather Advisory | GID | 17 hr |
| Nov 24, 2:00 PM CST | Winter Storm Watch | GID | 13 hr |
| Nov 25, 3:26 AM CST | Winter Storm Warning | GID | 48 hr |
| Nov 26, 10:58 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 26, 5:23 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 27, 2:52 PM CST | Winter Weather Advisory | GID | 52 hr |
| Nov 28, 2:57 PM CST | High Wind Watch | GID | 21 hr |
| Nov 29, 11:52 AM CST | High Wind Warning | GID | 45 hr |
| Nov 29, 1:54 PM CST | Dense Fog Advisory | GID | 16 hr |
| Nov 29, 4:10 PM CST | Special Weather Statement | GID | 50 min |
| Dec 25, 7:40 AM CST | Dense Fog Advisory | GID | 4 hr |
| Dec 26, 2:45 AM CST | Winter Storm Watch | GID | 25 hr |
| Dec 27, 3:37 AM CST | Winter Weather Advisory | GID | 62 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 archive20182020
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.