Alert archive / Nebraska / Dawes County
Weather alerts in Dawes County, Nebraska, 2015
139 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Dawes County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 139
- Warnings
- 31
- Watches
- 14
- Advisories
- 23
- Busiest month
- June64 alerts
- Busiest day
- June 25, 201513 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Dawes County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 21 | 9 | 57% | 6 | 83% | 12 min |
| Flash flood warnings | 2 | 1 | 50% | 1 | 100% | 43 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cheyenne, WY: tornado warnings | 10 | 4 | 60% | 17 | 47% | 18 min |
| NWS Cheyenne, WY: severe thunderstorm warnings | 184 | 85 | 54% | 207 | 83% | 20 min |
| NWS Cheyenne, WY: flash flood warnings | 22 | 11 | 50% | 29 | 93% | 95 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 3, 1:29 AM MST | Winter Weather Advisory | CYS | 17 hr |
| Jan 5, 1:34 AM MST | Wind Advisory | CYS | 12 hr |
| Jan 28, 1:13 AM MST | Wind Advisory | CYS | 16 hr |
| Feb 3, 2:56 AM MST | Winter Weather Advisory | CYS | 35 hr |
| Feb 7, 1:49 AM MST | Wind Advisory | CYS | 16 hr |
| Feb 16, 1:49 PM MST | Wind Advisory | CYS | 26 hr |
| Mar 2, 3:40 AM MST | Winter Weather Advisory | CYS | 41 hr |
| Mar 28, 2:10 PM MDT | Wind Advisory | CYS | 13 hr |
| Apr 14, 3:08 AM MDT | High Wind Warning | CYS | 25 hr |
| Apr 23, 6:53 PM MDT | Special Weather Statement | CYS | 37 min |
| Apr 25, 5:01 PM MDT | Special Weather Statement | CYS | 29 min |
| May 7, 4:01 AM MDT | Winter Storm Watch | CYS | 48 hr |
| May 8, 10:16 PM MDT | Winter Storm Warning | CYS | 40 hr |
| May 15, 12:58 PM MDT | Tornado Watch | SPC | 7 hr |
| May 15, 2:47 PM MDT | Special Weather Statement | CYS | 43 min |
| May 15, 3:02 PM MDT | Special Weather Statement | CYS | 43 min |
| May 15, 5:11 PM MDT | Special Weather Statement | CYS | 49 min |
| May 24, 4:17 PM MDT | Special Weather Statement | CYS | 43 min |
| May 24, 5:05 PM MDT | Special Weather Statement | CYS | 40 min |
| May 24, 5:25 PM MDT | Special Weather Statement | CYS | 35 min |
| May 24, 7:09 PM MDT | Severe Thunderstorm Warning | CYS | 18 min |
| May 27, 12:16 PM MDT | Special Weather Statement | CYS | 44 min |
| May 27, 2:50 PM MDT | Special Weather Statement | CYS | 40 min |
| May 27, 3:47 PM MDT | Special Weather Statement | CYS | 43 min |
| May 28, 6:32 PM MDT | Special Weather Statement | CYS | 43 min |
| Jun 2, 12:37 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 2, 2:44 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 3:56 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jun 2, 4:31 PM MDT | Special Weather Statement | CYS | 44 min |
| Jun 2, 4:36 PM MDT | Severe Thunderstorm Warning | CYS | 54 min |
| Jun 2, 4:39 PM MDT | Areal Flood Advisory | CYS | 3 hr |
| Jun 2, 4:56 PM MDT | Special Weather Statement | CYS | 49 min |
| Jun 2, 5:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 5:35 PM MDT | Severe Thunderstorm Warning | CYS | 31 min |
| Jun 2, 5:42 PM MDT | Flash Flood Warning | CYS | 5 hr |
| Jun 3, 8:59 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 5, 1:04 PM MDT | Special Weather Statement | CYS | 26 min |
| Jun 5, 1:07 PM MDT | Special Weather Statement | CYS | 23 min |
| Jun 5, 8:24 PM MDT | Special Weather Statement | CYS | 51 min |
| Jun 5, 8:45 PM MDT | Severe Thunderstorm Warning | CYS | 21 min |
| Jun 5, 9:32 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jun 5, 9:38 PM MDT | Special Weather Statement | CYS | 52 min |
| Jun 5, 10:19 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 5, 11:00 PM MDT | Special Weather Statement | CYS | 30 min |
| Jun 5, 11:16 PM MDT | Special Weather Statement | CYS | 44 min |
| Jun 6, 12:26 AM MDT | Special Weather Statement | CYS | 49 min |
| Jun 6, 10:22 AM MDT | Areal Flood Warning | CYS | 25 hr |
| Jun 6, 6:03 PM MDT | Special Weather Statement | CYS | 42 min |
| Jun 6, 6:19 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 6, 6:51 PM MDT | Severe Thunderstorm Warning | CYS | 31 min |
| Jun 6, 7:11 PM MDT | Severe Thunderstorm Warning | CYS | 25 min |
| Jun 6, 8:18 PM MDT | Special Weather Statement | CYS | 42 min |
| Jun 6, 8:55 PM MDT | Special Weather Statement | CYS | 50 min |
| Jun 7, 11:37 AM MDT | Areal Flood Warning | CYS | 24 hr |
| Jun 10, 3:39 AM MDT | Flash Flood Watch | CYS | 38 hr |
| Jun 16, 1:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 2:02 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 4:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 17, 4:20 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jun 17, 6:44 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 17, 7:38 PM MDT | Special Weather Statement | CYS | 37 min |
| Jun 17, 7:44 PM MDT | Severe Thunderstorm Warning | CYS | 31 min |
| Jun 17, 8:04 PM MDT | Special Weather Statement | CYS | 26 min |
| Jun 17, 8:16 PM MDT | Severe Thunderstorm Warning | CYS | 29 min |
| Jun 17, 8:23 PM MDT | Severe Thunderstorm Warning | CYS | 22 min |
| Jun 17, 10:37 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 18, 12:03 AM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 18, 12:15 AM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jun 18, 12:42 AM MDT | Severe Thunderstorm Warning | CYS | 44 min |
| Jun 20, 7:25 PM MDT | Special Weather Statement | CYS | 35 min |
| Jun 24, 2:07 AM MDT | Special Weather Statement | CYS | 38 min |
| Jun 24, 2:11 AM MDT | Special Weather Statement | CYS | 49 min |
| Jun 24, 2:23 AM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 24, 4:23 AM MDT | Special Weather Statement | CYS | 52 min |
| Jun 24, 12:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 2:54 PM MDT | Flash Flood Watch | CYS | 28 hr |
| Jun 25, 12:57 AM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 25, 10:33 AM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 25, 10:58 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 11:18 AM MDT | Areal Flood Advisory | CYS | 117 min |
| Jun 25, 11:58 AM MDT | Special Weather Statement | CYS | 47 min |
| Jun 25, 12:00 PM MDT | Special Weather Statement | CYS | 45 min |
| Jun 25, 12:22 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| Jun 25, 2:10 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jun 25, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 25, 4:06 PM MDT | Special Weather Statement | CYS | 39 min |
| Jun 25, 4:35 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 25, 4:37 PM MDT | Flash Flood Warning | CYS | 3 hr |
| Jun 25, 5:13 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jul 1, 11:39 PM MDT | Severe Thunderstorm Warning | CYS | 29 min |
| Jul 2, 12:06 AM MDT | Mesoscale Discussion | SPC | 54 min |
| Jul 4, 3:49 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| Jul 4, 4:18 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 5, 2:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 5, 3:51 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 5, 4:32 PM MDT | Special Weather Statement | CYS | 43 min |
| Jul 5, 4:38 PM MDT | Severe Thunderstorm Warning | CYS | 24 min |
| Jul 5, 7:09 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 5, 7:45 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jul 15, 2:17 PM MDT | Special Weather Statement | CYS | 43 min |
| Jul 17, 2:36 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Jul 17, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 3:17 PM MDT | Severe Thunderstorm Warning | CYS | 58 min |
| Jul 17, 4:25 PM MDT | Special Weather Statement | CYS | 35 min |
| Jul 17, 5:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 17, 5:05 PM MDT | Special Weather Statement | CYS | 40 min |
| Jul 22, 6:35 PM MDT | Special Weather Statement | CYS | 25 min |
| Jul 22, 7:01 PM MDT | Special Weather Statement | CYS | 44 min |
| Jul 25, 4:22 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 1:07 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 27, 3:57 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 6:24 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 27, 7:20 PM MDT | Special Weather Statement | CYS | 40 min |
| Aug 5, 5:06 PM MDT | Special Weather Statement | CYS | 39 min |
| Aug 5, 5:47 PM MDT | Special Weather Statement | CYS | 43 min |
| Aug 5, 11:47 PM MDT | Special Weather Statement | CYS | 43 min |
| Aug 6, 12:21 AM MDT | Special Weather Statement | CYS | 39 min |
| Aug 17, 6:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 17, 10:46 PM MDT | Severe Thunderstorm Warning | CYS | 44 min |
| Aug 17, 11:22 PM MDT | Special Weather Statement | CYS | 23 min |
| Aug 22, 2:10 AM MDT | Wind Advisory | CYS | 16 hr |
| Oct 11, 1:43 PM MDT | Wind Advisory | CYS | 5 hr |
| Oct 15, 5:25 AM MDT | Frost Advisory | CYS | 4 hr |
| Oct 15, 2:06 PM MDT | Freeze Warning | CYS | 19 hr |
| Nov 10, 1:42 PM MST | Winter Weather Advisory | CYS | 18 hr |
| Nov 15, 4:06 PM MST | Winter Weather Advisory | CYS | 41 hr |
| Nov 17, 9:35 AM MST | High Wind Watch | CYS | 18 hr |
| Nov 17, 9:35 AM MST | High Wind Warning | CYS | 31 hr |
| Nov 19, 2:37 PM MST | Winter Weather Advisory | CYS | 30 hr |
| Dec 1, 1:23 AM MST | Winter Weather Advisory | CYS | 10 hr |
| Dec 7, 1:54 PM MST | Wind Advisory | CYS | 25 hr |
| Dec 11, 4:08 AM MST | Winter Weather Advisory | CYS | 42 hr |
| Dec 13, 12:44 PM MST | Winter Storm Watch | CYS | 25 hr |
| Dec 14, 4:51 AM MST | Winter Storm Warning | CYS | 46 hr |
| Dec 24, 1:17 PM MST | Winter Weather Advisory | CYS | 43 hr |
| Dec 25, 10:13 PM MST | Winter Storm Warning | CYS | 7 hr |
| Dec 25, 10:13 PM MST | Winter Weather Advisory | CYS | 11 hr |
| Dec 26, 1:26 PM MST | Wind Chill Advisory | CYS | 18 hr |
| Dec 27, 5:47 PM MST | Wind Chill Advisory | CYS | 9 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 archive20142016
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.