Alert archive / Wyoming / Goshen County
Weather alerts in Goshen County, Wyoming, 2018
193 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 193
- Warnings
- 59
- Watches
- 32
- Advisories
- 20
- Busiest month
- May51 alerts
- Busiest day
- July 29, 201814 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 6 tornado warnings covering Goshen County in 2018 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Goshen County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 2 | 67% | 1 | 0% | |
| Severe thunderstorm warnings | 40 | 10 | 75% | 3 | 67% | 14 min |
| Flash flood warnings | 1 | 0 | 100% | 1 | 0% |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cheyenne, WY: tornado warnings | 34 | 16 | 53% | 34 | 82% | 22 min |
| NWS Cheyenne, WY: severe thunderstorm warnings | 273 | 82 | 70% | 165 | 75% | 20 min |
| NWS Cheyenne, WY: flash flood warnings | 20 | 10 | 50% | 23 | 87% | 46 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 1, 2:06 PM MST | Wind Chill Advisory | CYS | 13 hr |
| Jan 2, 2:52 AM MST | Wind Chill Warning | CYS | 6 hr |
| Jan 18, 2:40 PM MST | Winter Storm Watch | CYS | 36 hr |
| Jan 19, 1:59 PM MST | Winter Storm Warning | CYS | 62 hr |
| Feb 3, 2:08 PM MST | Winter Weather Advisory | CYS | 22 hr |
| Feb 8, 1:19 PM MST | Winter Weather Advisory | CYS | 33 hr |
| Feb 16, 2:20 PM MST | Winter Storm Watch | CYS | 36 hr |
| Feb 17, 2:30 PM MST | Winter Storm Warning | CYS | 60 hr |
| Feb 19, 10:17 PM MST | Wind Chill Advisory | CYS | 10 hr |
| Feb 20, 12:45 PM MST | Wind Chill Advisory | CYS | 20 hr |
| Mar 3, 1:35 PM MST | High Wind Watch | CYS | 13 hr |
| Mar 4, 2:09 AM MST | High Wind Warning | CYS | 42 hr |
| Mar 15, 1:51 AM MDT | Winter Weather Advisory | CYS | 37 hr |
| Mar 17, 5:19 AM MDT | Dense Fog Advisory | CYS | 5 hr |
| Mar 31, 2:41 AM MDT | Winter Weather Advisory | CYS | 32 hr |
| Apr 5, 2:32 AM MDT | Winter Weather Advisory | CYS | 39 hr |
| Apr 12, 3:40 AM MDT | Winter Weather Advisory | CYS | 47 hr |
| Apr 12, 4:10 AM MDT | High Wind Watch | CYS | 8 hr |
| Apr 12, 12:25 PM MDT | High Wind Warning | CYS | 32 hr |
| Apr 16, 1:08 PM MDT | High Wind Watch | CYS | 14 hr |
| Apr 16, 7:01 PM MDT | High Wind Warning | CYS | 26 hr |
| Apr 23, 1:37 PM MDT | Special Weather Statement | CYS | 53 min |
| Apr 23, 3:18 PM MDT | Special Weather Statement | CYS | 42 min |
| Apr 30, 1:36 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Apr 30, 5:50 PM MDT | Special Weather Statement | CYS | 40 min |
| May 10, 12:56 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 1:41 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 10, 3:11 PM MDT | Special Weather Statement | CYS | 49 min |
| May 11, 12:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 2:02 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 2:38 PM MDT | Severe Thunderstorm Warning | CYS | 36 min |
| May 11, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | 26 min |
| May 11, 5:39 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 14, 3:36 PM MDT | Special Weather Statement | CYS | 54 min |
| May 15, 6:53 PM MDT | Special Weather Statement | CYS | 22 min |
| May 17, 12:58 PM MDT | Mesoscale Discussion | SPC | 92 min |
| May 17, 4:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 18, 3:50 AM MDT | Flood Watch | CYS | 38 hr |
| May 18, 1:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| May 18, 4:53 PM MDT | Special Weather Statement | CYS | 52 min |
| May 18, 5:04 PM MDT | Mesoscale Discussion | SPC | 86 min |
| May 18, 6:01 PM MDT | Areal Flood Advisory | CYS | 6 hr |
| May 18, 6:18 PM MDT | Special Weather Statement | CYS | 57 min |
| May 18, 11:58 PM MDT | Flash Flood Warning | CYS | 6 hr |
| May 19, 10:01 AM MDT | Areal Flood Warning | CYS | 6 hr |
| May 19, 3:18 PM MDT | Areal Flood Warning | CYS | 6 hr |
| May 21, 3:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 21, 4:05 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| May 21, 5:13 PM MDT | Severe Thunderstorm Warning | CYS | 29 min |
| May 22, 4:56 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 1:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 1:31 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 23, 1:40 PM MDT | Severe Thunderstorm Warning | CYS | 50 min |
| May 23, 2:15 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| May 23, 4:53 PM MDT | Special Weather Statement | CYS | 52 min |
| May 23, 5:07 PM MDT | Mesoscale Discussion | SPC | 83 min |
| May 23, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| May 23, 5:52 PM MDT | Severe Thunderstorm Warning | CYS | 23 min |
| May 23, 6:12 PM MDT | Severe Thunderstorm Warning | CYS | 33 min |
| May 23, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| May 27, 2:58 AM MDT | Flash Flood Watch | CYS | 21 hr |
| May 27, 12:05 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 27, 2:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 4:15 PM MDT | Tornado Warning | CYS | 45 min |
| May 27, 4:42 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 27, 6:13 PM MDT | Special Weather Statement | CYS | 47 min |
| May 27, 6:40 PM MDT | Severe Thunderstorm Warning | CYS | 50 min |
| May 28, 2:36 AM MDT | Flash Flood Watch | CYS | 24 hr |
| May 28, 1:39 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 28, 2:01 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 4:42 PM MDT | Special Weather Statement | CYS | 48 min |
| May 28, 5:14 PM MDT | Severe Thunderstorm Warning | CYS | 31 min |
| May 28, 6:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| May 28, 6:17 PM MDT | Special Weather Statement | CYS | 43 min |
| May 28, 6:22 PM MDT | Areal Flood Advisory | CYS | 3 hr |
| May 28, 6:26 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jun 6, 4:46 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 7, 4:14 PM MDT | Special Weather Statement | CYS | 46 min |
| Jun 7, 4:36 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Jun 7, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 7, 6:19 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jun 7, 6:54 PM MDT | Severe Thunderstorm Warning | CYS | 51 min |
| Jun 8, 1:01 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 8, 1:39 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 8, 6:19 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 15, 4:47 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 15, 6:04 PM MDT | Special Weather Statement | CYS | 41 min |
| Jun 15, 6:46 PM MDT | Special Weather Statement | CYS | 44 min |
| Jun 16, 1:47 AM MDT | Flash Flood Watch | CYS | 37 hr |
| Jun 16, 2:54 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 18, 1:05 PM MDT | Flash Flood Watch | CYS | 36 hr |
| Jun 18, 5:14 PM MDT | Special Weather Statement | CYS | 46 min |
| Jun 18, 5:20 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 18, 5:53 PM MDT | Severe Thunderstorm Warning | CYS | 24 min |
| Jun 18, 6:33 PM MDT | Special Weather Statement | CYS | 42 min |
| Jun 18, 6:37 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 6:48 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 18, 8:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 19, 12:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 2:42 PM MDT | Tornado Warning | CYS | 48 min |
| Jun 21, 6:43 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 22, 5:19 PM MDT | Special Weather Statement | CYS | 26 min |
| Jun 22, 5:30 PM MDT | Special Weather Statement | CYS | 30 min |
| Jun 22, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jun 22, 6:36 PM MDT | Severe Thunderstorm Warning | CYS | 24 min |
| Jun 23, 4:14 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 23, 4:54 PM MDT | Special Weather Statement | CYS | 51 min |
| Jun 29, 4:31 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 29, 5:19 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 30, 1:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 30, 2:03 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 1:51 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Jul 16, 2:04 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 16, 6:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 2:43 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jul 17, 2:47 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 17, 3:09 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 17, 5:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 17, 9:15 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jul 17, 9:58 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 21, 12:50 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 3:44 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 5:08 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jul 26, 9:23 AM MDT | Flash Flood Watch | CYS | 11 hr |
| Jul 26, 12:02 PM MDT | Special Weather Statement | CYS | 43 min |
| Jul 26, 12:49 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 26, 1:49 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 26, 4:58 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 26, 6:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 27, 10:21 AM MDT | Special Weather Statement | CYS | 39 min |
| Jul 27, 10:46 AM MDT | Severe Thunderstorm Warning | CYS | 44 min |
| Jul 27, 1:04 PM MDT | Tornado Watch | SPC | 8 hr |
| Jul 28, 2:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 28, 2:34 PM MDT | Tornado Watch | SPC | 7 hr |
| Jul 28, 3:27 PM MDT | Tornado Warning | CYS | 33 min |
| Jul 28, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| Jul 28, 4:53 PM MDT | Tornado Warning | CYS | 52 min |
| Jul 28, 5:43 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jul 28, 6:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 28, 8:30 PM MDT | Special Weather Statement | CYS | 45 min |
| Jul 29, 12:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Jul 29, 1:01 PM MDT | Special Weather Statement | CYS | 44 min |
| Jul 29, 1:05 PM MDT | Severe Thunderstorm Warning | CYS | 25 min |
| Jul 29, 1:07 PM MDT | Tornado Watch | SPC | 8 hr |
| Jul 29, 1:25 PM MDT | Severe Thunderstorm Warning | CYS | 50 min |
| Jul 29, 2:11 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Jul 29, 3:42 PM MDT | Severe Thunderstorm Warning | CYS | 33 min |
| Jul 29, 4:21 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Jul 29, 4:21 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Jul 29, 4:56 PM MDT | Severe Thunderstorm Warning | CYS | 34 min |
| Jul 29, 5:23 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 29, 5:25 PM MDT | Special Weather Statement | CYS | 50 min |
| Aug 5, 11:45 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 12:06 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 5, 2:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 5, 6:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 6, 2:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Aug 6, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 6, 5:11 PM MDT | Severe Thunderstorm Warning | CYS | 16 min |
| Aug 6, 5:24 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Aug 7, 7:55 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| Aug 7, 8:13 PM MDT | Tornado Warning | CYS | 32 min |
| Aug 7, 8:27 PM MDT | Tornado Warning | CYS | 33 min |
| Aug 7, 8:28 PM MDT | Severe Thunderstorm Warning | CYS | 32 min |
| Aug 7, 8:45 PM MDT | Severe Thunderstorm Warning | CYS | 30 min |
| Aug 7, 9:08 PM MDT | Special Weather Statement | CYS | 52 min |
| Aug 14, 2:28 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 17, 4:52 PM MDT | Special Weather Statement | CYS | 53 min |
| Aug 17, 5:40 PM MDT | Special Weather Statement | CYS | 50 min |
| Aug 17, 5:51 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Sep 8, 4:07 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 4:31 PM MDT | Special Weather Statement | CYS | 44 min |
| Sep 8, 4:59 PM MDT | Special Weather Statement | CYS | 46 min |
| Sep 8, 5:13 PM MDT | Special Weather Statement | CYS | 47 min |
| Sep 8, 5:24 PM MDT | Areal Flood Advisory | CYS | 2 hr |
| Sep 8, 5:36 PM MDT | Special Weather Statement | CYS | 39 min |
| Sep 24, 2:24 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 25, 3:15 AM MDT | Frost Advisory | CYS | 30 hr |
| Oct 4, 2:08 PM MDT | Severe Thunderstorm Warning | CYS | 36 min |
| Oct 6, 3:05 PM MDT | Winter Weather Advisory | CYS | 59 hr |
| Oct 12, 2:13 PM MDT | Winter Weather Advisory | CYS | 40 hr |
| Oct 13, 3:12 AM MDT | Winter Storm Warning | CYS | 27 hr |
| Oct 13, 6:02 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| Nov 14, 2:05 PM MST | Winter Storm Watch | CYS | 30 hr |
| Nov 15, 12:05 PM MST | Winter Storm Warning | CYS | 56 hr |
| Nov 15, 12:05 PM MST | Winter Weather Advisory | CYS | 56 hr |
| Nov 21, 2:38 AM MST | High Wind Watch | CYS | 35 hr |
| Nov 21, 2:18 PM MST | High Wind Warning | CYS | 3 days |
| Nov 23, 2:45 PM MST | Winter Weather Advisory | CYS | 36 hr |
| Nov 28, 2:03 PM MST | Winter Weather Advisory | CYS | 4 days |
| Dec 17, 2:01 PM MST | High Wind Watch | CYS | 24 hr |
| Dec 17, 2:01 PM MST | High Wind Warning | CYS | 51 hr |
| Dec 25, 3:10 PM MST | Winter Weather Advisory | CYS | 53 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 40 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 15 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 47 |
| Special Weather Statement | 35 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 5 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 12 |
| Cold | |
| Wind Chill Warning | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.