Alert archive / Wyoming / Goshen County
Weather alerts in Goshen County, Wyoming, 2015
147 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Goshen County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 147
- Warnings
- 52
- Watches
- 19
- Advisories
- 19
- Busiest month
- June74 alerts
- Busiest day
- June 4, 201514 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 3 tornado warnings covering Goshen County in 2015 had a tornado report inside them; 2 of 4 tornado reports fell inside a warning, on average 20 minutes after it went out.
Goshen County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 4 | 50% | 20 min |
| Severe thunderstorm warnings | 37 | 19 | 49% | 17 | 94% | 15 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
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 2, 7:20 PM MST | Dense Fog Advisory | CYS | 6 hr |
| Jan 3, 1:29 AM MST | Winter Weather Advisory | CYS | 17 hr |
| Jan 3, 3:13 PM MST | High Wind Warning | CYS | 58 hr |
| Jan 4, 1:15 AM MST | High Wind Watch | CYS | 24 hr |
| Feb 2, 8:31 PM MST | Winter Storm Watch | CYS | 6 hr |
| Feb 2, 8:31 PM MST | Winter Storm Warning | CYS | 41 hr |
| Feb 3, 2:56 AM MST | Winter Weather Advisory | CYS | 35 hr |
| Feb 20, 1:47 PM MST | Winter Weather Advisory | CYS | 38 hr |
| Mar 2, 3:40 AM MST | Winter Weather Advisory | CYS | 41 hr |
| Apr 18, 5:04 PM MDT | Special Weather Statement | CYS | 26 min |
| May 1, 3:19 PM MDT | Special Weather Statement | CYS | 41 min |
| May 1, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | 46 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 9, 2:33 AM MDT | Areal Flood Advisory | CYS | 3 hr |
| May 15, 1:22 AM MDT | Special Weather Statement | CYS | 38 min |
| May 15, 12:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 12:58 PM MDT | Tornado Watch | SPC | 7 hr |
| May 15, 2:31 PM MDT | Special Weather Statement | CYS | 44 min |
| May 15, 2:50 PM MDT | Severe Thunderstorm Warning | CYS | 30 min |
| May 15, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| May 15, 3:32 PM MDT | Tornado Warning | CYS | 43 min |
| May 15, 4:00 PM MDT | Tornado Warning | CYS | 45 min |
| May 15, 4:04 PM MDT | Special Weather Statement | CYS | 26 min |
| May 15, 5:28 PM MDT | Areal Flood Advisory | CYS | 5 hr |
| May 15, 5:28 PM MDT | Mesoscale Discussion | SPC | 62 min |
| May 21, 7:10 PM MDT | River Flood Warning | CYS | 14 days |
| May 23, 2:02 PM MDT | Flash Flood Watch | CYS | 28 hr |
| May 24, 3:11 PM MDT | Special Weather Statement | CYS | 34 min |
| May 24, 4:38 PM MDT | Special Weather Statement | CYS | 37 min |
| May 28, 7:42 PM MDT | Special Weather Statement | CYS | 33 min |
| Jun 2, 12:37 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 2, 1:44 PM MDT | Special Weather Statement | CYS | 31 min |
| Jun 2, 3:07 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| Jun 2, 4:39 PM MDT | Areal Flood Advisory | CYS | 3 hr |
| Jun 3, 12:34 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 3, 2:03 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 7:04 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jun 3, 7:14 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 3, 8:03 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 3, 8:43 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jun 3, 8:59 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 3, 9:34 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jun 3, 10:15 PM MDT | Flash Flood Warning | CYS | 4 hr |
| Jun 4, 2:16 AM MDT | Flash Flood Warning | CYS | 3 hr |
| Jun 4, 5:21 AM MDT | Areal Flood Warning | CYS | 6 hr |
| Jun 4, 1:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 4, 2:20 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 4, 2:34 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jun 4, 3:12 PM MDT | Severe Thunderstorm Warning | CYS | 48 min |
| Jun 4, 5:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 5, 9:43 AM MDT | Flash Flood Watch | CYS | 14 hr |
| Jun 5, 12:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 5, 6:39 PM MDT | Special Weather Statement | CYS | 51 min |
| Jun 5, 7:35 PM MDT | Special Weather Statement | CYS | 40 min |
| Jun 5, 7:44 PM MDT | Special Weather Statement | CYS | 46 min |
| Jun 5, 7:56 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jun 6, 1:09 AM MDT | Areal Flood Advisory | CYS | 10 hr |
| Jun 6, 7:20 PM MDT | Severe Thunderstorm Warning | CYS | 55 min |
| Jun 6, 8:37 PM MDT | River Flood Warning | CYS | 7 days |
| Jun 7, 3:49 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 10, 3:39 AM MDT | Flash Flood Watch | CYS | 38 hr |
| Jun 13, 9:14 PM MDT | Special Weather Statement | CYS | 31 min |
| Jun 14, 4:22 PM MDT | Severe Thunderstorm Warning | CYS | 23 min |
| Jun 14, 5:16 PM MDT | Severe Thunderstorm Warning | CYS | 29 min |
| Jun 15, 12:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 15, 2:24 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 15, 4:22 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 15, 7:29 PM MDT | Mesoscale Discussion | SPC | 91 min |
| 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, 2:30 PM MDT | Special Weather Statement | CYS | 30 min |
| Jun 16, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 16, 3:59 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| Jun 16, 4:27 PM MDT | Severe Thunderstorm Warning | CYS | 48 min |
| Jun 16, 4:52 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| Jun 16, 4:53 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 16, 5:12 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| Jun 16, 5:39 PM MDT | Severe Thunderstorm Warning | CYS | 51 min |
| Jun 16, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| Jun 16, 6:23 PM MDT | Severe Thunderstorm Warning | CYS | 37 min |
| Jun 16, 6:27 PM MDT | Special Weather Statement | CYS | 48 min |
| Jun 16, 6:35 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 16, 7:12 PM MDT | Severe Thunderstorm Warning | CYS | 48 min |
| Jun 17, 4:20 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jun 17, 4:37 PM MDT | Special Weather Statement | CYS | 38 min |
| Jun 17, 4:46 PM MDT | Severe Thunderstorm Warning | CYS | 44 min |
| Jun 17, 5:24 PM MDT | Severe Thunderstorm Warning | CYS | 36 min |
| Jun 17, 5:34 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 17, 5:39 PM MDT | Severe Thunderstorm Warning | CYS | 36 min |
| Jun 17, 6:05 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 17, 6:19 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 23, 4:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jun 24, 12:27 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 10:06 PM MDT | Special Weather Statement | CYS | 24 min |
| Jun 24, 10:13 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| Jun 25, 9:58 AM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jun 25, 10:36 AM MDT | Tornado Warning | CYS | 24 min |
| Jun 25, 10:58 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| 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, 4:23 PM MDT | Special Weather Statement | CYS | 52 min |
| Jun 25, 4:51 PM MDT | Severe Thunderstorm Warning | CYS | 24 min |
| Jun 28, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 30, 4:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 1, 7:04 PM MDT | Special Weather Statement | CYS | 26 min |
| Jul 3, 3:09 AM MDT | Special Weather Statement | CYS | 66 min |
| Jul 4, 8:11 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jul 10, 2:54 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 15, 8:05 PM MDT | Special Weather Statement | CYS | 40 min |
| Jul 15, 8:53 PM MDT | Special Weather Statement | CYS | 52 min |
| Jul 17, 2:36 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Jul 17, 2:59 PM MDT | Severe Thunderstorm Warning | CYS | 61 min |
| Jul 17, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 5:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 18, 3:53 PM MDT | Severe Thunderstorm Warning | CYS | 67 min |
| Jul 22, 4:30 PM MDT | Special Weather Statement | CYS | 45 min |
| Jul 27, 3:57 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 1:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Aug 16, 5:24 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 2:47 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 6:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 17, 10:16 PM MDT | Special Weather Statement | CYS | 29 min |
| Aug 17, 10:46 PM MDT | Severe Thunderstorm Warning | CYS | 44 min |
| Sep 29, 1:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Sep 29, 5:36 PM MDT | Special Weather Statement | CYS | 24 min |
| Sep 29, 6:02 PM MDT | Severe Thunderstorm Warning | CYS | 28 min |
| Sep 29, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | 50 min |
| Sep 29, 6:30 PM MDT | Special Weather Statement | CYS | 30 min |
| Oct 15, 2:06 PM MDT | Frost Advisory | CYS | 11 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 25, 12:39 AM MST | Winter Weather Advisory | CYS | 40 hr |
| Dec 6, 12:37 AM MST | High Wind Watch | CYS | 37 hr |
| Dec 6, 1:18 PM MST | High Wind Warning | CYS | 4 days |
| Dec 8, 3:16 PM MST | High Wind Watch | CYS | 11 hr |
| Dec 11, 4:08 AM MST | Winter Weather Advisory | CYS | 42 hr |
| Dec 13, 2:35 AM MST | Freezing Fog Advisory | CYS | 2 hr |
| Dec 13, 4:43 AM MST | Dense Fog Advisory | CYS | 4 hr |
| Dec 13, 12:44 PM MST | Winter Storm Watch | CYS | 25 hr |
| Dec 14, 4:51 AM MST | Winter Weather Advisory | CYS | 42 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 |
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.