Alert archive / Nebraska / Greeley County
Weather alerts in Greeley County, Nebraska, 2010
188 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Greeley County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 188
- Warnings
- 27
- Watches
- 36
- Advisories
- 51
- Busiest month
- June75 alerts
- Busiest day
- June 10, 201010 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Greeley County in 2010 had a tornado report inside them.
Greeley County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 18 | 10 | 44% | 3 | 100% | 26 min |
| Flash flood warnings | 2 | 1 | 50% | 1 | 100% | 93 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Hastings, NE: tornado warnings | 26 | 5 | 81% | 6 | 100% | 12 min |
| NWS Hastings, NE: severe thunderstorm warnings | 308 | 157 | 49% | 328 | 86% | 20 min |
| NWS Hastings, NE: flash flood warnings | 20 | 8 | 60% | 11 | 73% | 78 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, 9:27 PM CST | Wind Chill Advisory | GID | 13 hr |
| Jan 5, 3:42 AM CST | Winter Weather Advisory | GID | 62 hr |
| Jan 6, 3:45 AM CST | Wind Chill Watch | GID | 12 hr |
| Jan 6, 3:24 PM CST | Wind Chill Warning | GID | 45 hr |
| Jan 8, 3:05 AM CST | Wind Chill Advisory | GID | 32 hr |
| Jan 11, 7:57 PM CST | Freezing Fog Advisory | GID | 14 hr |
| Jan 16, 7:12 PM CST | Dense Fog Advisory | GID | 15 hr |
| Jan 17, 5:16 PM CST | Dense Fog Advisory | GID | 30 hr |
| Jan 18, 11:25 PM CST | Freezing Fog Advisory | GID | 13 hr |
| Jan 19, 4:23 AM CST | Winter Weather Advisory | GID | 28 hr |
| Jan 19, 7:28 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 20, 10:25 AM CST | Dense Fog Advisory | GID | 24 hr |
| Jan 21, 7:24 AM CST | Freezing Fog Advisory | GID | 3 hr |
| Jan 21, 5:53 PM CST | Freezing Fog Advisory | GID | 19 hr |
| Jan 22, 9:41 AM CST | Dense Fog Advisory | GID | 12 hr |
| Jan 24, 4:04 AM CST | Wind Advisory | GID | 14 hr |
| Jan 24, 9:48 PM CST | Wind Advisory | GID | 20 hr |
| Feb 3, 3:50 PM CST | Winter Weather Advisory | GID | 44 hr |
| Feb 14, 4:07 AM CST | Wind Advisory | GID | 14 hr |
| Feb 28, 12:29 AM CST | Freezing Fog Advisory | GID | 9 hr |
| Mar 7, 3:30 PM CST | Flood Watch | GID | 61 hr |
| Mar 8, 8:47 AM CST | Dense Fog Advisory | GID | 3 hr |
| Mar 31, 3:32 PM CDT | Fire Weather Watch | GID | 12 hr |
| Apr 1, 3:32 AM CDT | Red Flag Warning | GID | 16 hr |
| Apr 1, 11:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 7, 4:01 AM CDT | Wind Advisory | GID | 14 hr |
| Apr 12, 2:50 PM CDT | Wind Advisory | GID | 33 hr |
| Apr 23, 11:43 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 23, 1:18 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 23, 4:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 23, 7:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 23, 9:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 28, 10:30 AM CDT | Wind Advisory | GID | 9 hr |
| May 6, 3:26 PM CDT | Freeze Watch | GID | 24 hr |
| May 7, 4:13 AM CDT | Wind Advisory | GID | 15 hr |
| May 7, 3:16 PM CDT | Freeze Warning | GID | 17 hr |
| May 10, 2:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| May 18, 5:14 AM CDT | Dense Fog Advisory | GID | 4 hr |
| May 22, 3:57 AM CDT | Wind Advisory | GID | 17 hr |
| May 23, 3:36 PM CDT | Wind Advisory | GID | 29 hr |
| May 24, 6:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 24, 7:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 24, 9:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 24, 9:33 PM CDT | Special Weather Statement | GID | 27 min |
| May 24, 9:57 PM CDT | Special Weather Statement | GID | 48 min |
| May 24, 10:06 PM CDT | Severe Thunderstorm Warning | GID | 21 min |
| Jun 1, 5:53 AM CDT | Mesoscale Discussion | SPC | 97 min |
| 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, 1:53 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 1, 5:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 3, 5:57 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 6:15 PM CDT | Severe Thunderstorm Warning | GID | 30 min |
| Jun 3, 6:24 PM CDT | Special Weather Statement | GID | 36 min |
| Jun 3, 6:28 PM CDT | Tornado Warning | GID | 32 min |
| Jun 3, 7:50 PM CDT | Severe Thunderstorm Warning | GID | 40 min |
| Jun 3, 8:30 PM CDT | Severe Thunderstorm Warning | GID | 45 min |
| Jun 3, 9:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 5, 12:26 AM CDT | Severe Thunderstorm Warning | GID | 49 min |
| Jun 5, 12:31 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Jun 5, 12:45 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 1:06 AM CDT | Severe Thunderstorm Warning | GID | 39 min |
| Jun 5, 1:19 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 5, 2:29 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 9:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 7, 7:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 9:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 10:31 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 7, 11:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 8, 12:42 AM CDT | Severe Thunderstorm Warning | GID | 48 min |
| Jun 8, 1:21 AM CDT | Severe Thunderstorm Warning | GID | 39 min |
| Jun 10, 1:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 3:16 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 3:49 AM CDT | Severe Thunderstorm Warning | GID | 41 min |
| Jun 10, 3:56 AM CDT | Areal Flood Advisory | GID | 6 hr |
| Jun 10, 4:34 AM CDT | Special Weather Statement | GID | 41 min |
| Jun 10, 5:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 10, 7:03 AM CDT | Special Weather Statement | GID | 27 min |
| Jun 10, 9:29 AM CDT | Areal Flood Advisory | GID | 6 hr |
| Jun 10, 10:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 10, 4:08 PM CDT | Flash Flood Watch | GID | 13 hr |
| Jun 10, 11:47 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 10, 11:51 PM CDT | Severe Thunderstorm Warning | GID | 54 min |
| Jun 11, 1:45 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 11, 4:10 AM CDT | Flood Watch | GID | 26 hr |
| Jun 11, 4:11 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 11, 10:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 12, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 12, 1:11 AM CDT | Special Weather Statement | GID | 34 min |
| Jun 12, 3:16 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 12, 4:48 AM CDT | Flood Watch | GID | 47 hr |
| Jun 12, 1:47 PM CDT | Areal Flood Warning | GID | 24 hr |
| Jun 12, 3:31 PM CDT | Flash Flood Warning | GID | 6 hr |
| Jun 13, 8:12 PM CDT | Flash Flood Warning | GID | 24 hr |
| Jun 14, 7:53 PM CDT | Areal Flood Warning | GID | 24 hr |
| Jun 18, 3:19 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 18, 5:14 AM CDT | Special Weather Statement | GID | 31 min |
| Jun 20, 4:26 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 20, 4:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 20, 10:27 AM CDT | Flash Flood Watch | GID | 21 hr |
| Jun 20, 7:40 PM CDT | Severe Thunderstorm Warning | GID | 50 min |
| Jun 20, 8:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 20, 8:35 PM CDT | Special Weather Statement | GID | 40 min |
| Jun 20, 9:10 PM CDT | Areal Flood Advisory | GID | 9 hr |
| Jun 20, 10:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 20, 11:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 21, 10:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 22, 12:21 AM CDT | Special Weather Statement | GID | 39 min |
| Jun 22, 12:26 AM CDT | Severe Thunderstorm Warning | GID | 64 min |
| Jun 22, 1:01 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 22, 1:32 AM CDT | Areal Flood Advisory | GID | 4 hr |
| Jun 22, 3:28 PM CDT | Flash Flood Watch | GID | 12 hr |
| Jun 22, 3:37 PM CDT | Mesoscale Discussion | SPC | 23 min |
| Jun 22, 6:30 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 22, 7:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 9:13 PM CDT | Special Weather Statement | GID | 47 min |
| Jun 23, 1:05 AM CDT | Mesoscale Discussion | SPC | 85 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 |
| Jul 2, 3:53 AM CDT | Wind Advisory | GID | 15 hr |
| Jul 10, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 5:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 10, 8:11 PM CDT | Severe Thunderstorm Warning | GID | 28 min |
| Jul 10, 9:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 10, 10:18 PM CDT | Special Weather Statement | GID | 42 min |
| Jul 11, 6:13 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 11, 7:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 14, 2:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 16, 3:49 PM CDT | Heat Advisory | GID | 27 hr |
| Jul 17, 5:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 17, 6:13 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 10:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 18, 8:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 19, 5:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 19, 11:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 19, 11:59 PM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Jul 21, 7:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 22, 2:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 22, 10:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 7, 4:14 AM CDT | Heat Advisory | GID | 64 hr |
| Aug 8, 2:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 8, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 8, 7:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 8:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 12, 2:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 16, 2:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 16, 5:32 PM CDT | Mesoscale Discussion | SPC | 28 min |
| Aug 19, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 19, 8:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Aug 23, 3:48 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 2:45 PM CDT | Mesoscale Discussion | SPC | 30 min |
| Aug 30, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 2, 3:15 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Sep 6, 4:04 AM CDT | Wind Advisory | GID | 14 hr |
| Sep 13, 2:38 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 15, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 17, 11:11 PM CDT | Severe Thunderstorm Warning | GID | 49 min |
| Sep 17, 11:12 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 17, 11:59 PM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Sep 18, 12:22 AM CDT | Areal Flood Advisory | GID | 5 hr |
| Sep 18, 12:45 AM CDT | Severe Thunderstorm Warning | GID | 45 min |
| Sep 18, 1:00 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Sep 18, 1:29 AM CDT | Severe Thunderstorm Warning | GID | 46 min |
| Sep 20, 1:30 AM CDT | Dense Fog Advisory | GID | 7 hr |
| Sep 20, 2:10 AM CDT | Wind Advisory | GID | 17 hr |
| Sep 20, 8:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 22, 3:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Sep 22, 4:00 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 22, 7:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 23, 1:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 2, 3:50 AM CDT | Frost Advisory | GID | 29 hr |
| Oct 25, 11:17 AM CDT | Wind Advisory | GID | 10 hr |
| Oct 25, 3:00 PM CDT | Wind Advisory | GID | 28 hr |
| Oct 26, 3:38 AM CDT | Wind Advisory | GID | 39 hr |
| Nov 20, 8:45 PM CST | Winter Weather Advisory | GID | 14 hr |
| Nov 22, 1:21 AM CST | Freezing Rain Advisory | GID | 8 hr |
| Nov 23, 3:31 PM CST | Freezing Rain Advisory | GID | 12 hr |
| Nov 29, 3:46 AM CST | Wind Advisory | GID | 26 hr |
| Dec 10, 3:39 PM CST | Wind Advisory | GID | 32 hr |
| Dec 11, 3:18 PM CST | Wind Chill Advisory | GID | 19 hr |
| Dec 15, 3:23 PM CST | Winter Weather Advisory | GID | 8 hr |
| Dec 19, 9:06 PM CST | Dense Fog Advisory | GID | 9 hr |
| Dec 23, 5:10 PM CST | Winter Weather Advisory | GID | 13 hr |
| Dec 29, 1:12 PM CST | Winter Weather Advisory | GID | 47 hr |
| Dec 30, 12:29 PM CST | Winter Storm Warning | GID | 23 hr |
| Dec 31, 11:45 AM CST | Wind Chill Advisory | GID | 24 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 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.