Alert archive / Wyoming / Goshen County
Weather alerts in Goshen County, Wyoming, 2011
149 weather alerts in 2011, 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 2011. Tap one for its archive.
- Alerts
- 149
- Warnings
- 64
- Watches
- 23
- Advisories
- 17
- Busiest month
- July40 alerts
- Busiest day
- July 3, 201110 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 7 tornado warnings covering Goshen County in 2011 had a tornado report inside them; 4 of 5 tornado reports fell inside a warning, on average 16 minutes after it went out.
Goshen County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 7 | 3 | 57% | 5 | 80% | 16 min |
| Severe thunderstorm warnings | 40 | 18 | 55% | 29 | 62% | 24 min |
| Flash flood warnings | 5 | 5 | 0% | 4 | 100% | 29 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cheyenne, WY: tornado warnings | 34 | 11 | 68% | 18 | 83% | 12 min |
| NWS Cheyenne, WY: severe thunderstorm warnings | 197 | 99 | 50% | 282 | 73% | 20 min |
| NWS Cheyenne, WY: flash flood warnings | 25 | 18 | 28% | 50 | 90% | 81 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 |
|---|---|---|---|
| Dec 31, 8:57 PM MST | Wind Chill Warning | CYS | 13 hr |
| Jan 1, 3:50 AM MST | Wind Chill Advisory | CYS | 7 hr |
| Jan 7, 8:30 PM MST | Winter Storm Watch | CYS | 18 hr |
| Jan 8, 2:59 PM MST | Winter Weather Advisory | CYS | 32 hr |
| Jan 9, 6:34 PM MST | Wind Chill Advisory | CYS | 9 hr |
| Jan 10, 3:02 PM MST | Wind Chill Advisory | CYS | 18 hr |
| Jan 18, 3:52 PM MST | Winter Weather Advisory | CYS | 23 hr |
| Jan 30, 2:38 PM MST | Wind Chill Watch | CYS | 14 hr |
| Jan 30, 2:38 PM MST | Winter Weather Advisory | CYS | 23 hr |
| Jan 31, 4:08 AM MST | Wind Chill Warning | CYS | 54 hr |
| Feb 7, 4:45 AM MST | Winter Weather Advisory | CYS | 33 hr |
| Feb 8, 2:57 PM MST | Wind Chill Warning | CYS | 19 hr |
| Feb 11, 10:03 AM MST | High Wind Warning | CYS | 56 hr |
| Feb 12, 4:39 AM MST | High Wind Watch | CYS | 6 hr |
| Feb 16, 1:01 AM MST | High Wind Warning | CYS | 40 hr |
| Feb 19, 2:31 PM MST | Winter Weather Advisory | CYS | 26 hr |
| Feb 24, 3:28 AM MST | Winter Storm Warning | CYS | 41 hr |
| Feb 24, 3:28 AM MST | Winter Weather Advisory | CYS | 51 hr |
| Mar 5, 3:47 PM MST | Winter Storm Watch | CYS | 11 hr |
| Mar 6, 2:32 AM MST | Winter Weather Advisory | CYS | 27 hr |
| Mar 30, 5:00 AM MDT | High Wind Watch | CYS | 22 hr |
| Apr 20, 2:37 PM MDT | High Wind Watch | CYS | 19 hr |
| Apr 21, 9:40 AM MDT | High Wind Warning | CYS | 34 hr |
| May 9, 2:26 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 9, 4:57 PM MDT | Severe Thunderstorm Warning | CYS | 48 min |
| May 9, 4:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 9, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| May 9, 5:43 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| May 9, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| May 9, 8:16 PM MDT | Mesoscale Discussion | SPC | 29 min |
| May 17, 3:26 PM MDT | Flood Watch | CYS | 64 hr |
| May 29, 4:38 AM MDT | High Wind Watch | CYS | 23 hr |
| May 29, 4:48 PM MDT | Dense Fog Advisory | CYS | 16 hr |
| Jun 8, 5:50 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 8, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | 17 min |
| Jun 9, 7:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jun 11, 3:35 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 3:40 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| Jun 11, 5:23 PM MDT | Severe Thunderstorm Warning | CYS | 37 min |
| Jun 11, 6:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 12, 12:52 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 13, 1:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 1:34 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jun 16, 1:50 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 16, 1:55 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 2:28 PM MDT | Severe Thunderstorm Warning | CYS | 23 min |
| Jun 16, 2:36 PM MDT | Severe Thunderstorm Warning | CYS | 24 min |
| Jun 16, 2:51 PM MDT | Severe Thunderstorm Warning | CYS | 54 min |
| Jun 16, 2:55 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| Jun 16, 3:23 PM MDT | Flash Flood Warning | CYS | 12 hr |
| Jun 17, 3:32 AM MDT | Areal Flood Warning | CYS | 8 hr |
| Jun 24, 1:25 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jun 24, 1:52 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 3:19 PM MDT | Severe Thunderstorm Warning | CYS | 56 min |
| Jun 24, 3:24 PM MDT | Severe Thunderstorm Warning | CYS | 53 min |
| Jun 24, 4:12 PM MDT | Severe Thunderstorm Warning | CYS | 29 min |
| Jun 25, 1:24 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jun 25, 7:12 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| Jun 26, 1:30 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | 37 min |
| Jun 26, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jun 30, 11:57 AM MDT | Mesoscale Discussion | SPC | 63 min |
| Jun 30, 12:18 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 30, 1:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jun 30, 2:03 PM MDT | Severe Thunderstorm Warning | CYS | 24 min |
| Jun 30, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jun 30, 4:17 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jun 30, 7:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 1:50 PM MDT | Severe Thunderstorm Warning | CYS | 55 min |
| Jul 1, 2:43 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jul 1, 2:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 12:17 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 2:13 PM MDT | Tornado Watch | SPC | 8 hr |
| Jul 2, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | 25 min |
| Jul 2, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | 48 min |
| Jul 2, 4:59 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 5:30 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jul 2, 6:04 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jul 2, 6:22 PM MDT | Tornado Warning | CYS | 37 min |
| Jul 2, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | 61 min |
| Jul 2, 6:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 2, 6:56 PM MDT | Tornado Warning | CYS | 49 min |
| Jul 2, 7:23 PM MDT | Tornado Warning | CYS | 37 min |
| Jul 2, 7:54 PM MDT | Tornado Warning | CYS | 40 min |
| Jul 2, 8:25 PM MDT | Flash Flood Warning | CYS | 6 hr |
| Jul 2, 8:30 PM MDT | Tornado Warning | CYS | 45 min |
| Jul 3, 1:55 AM MDT | Areal Flood Warning | CYS | 7 hr |
| Jul 5, 3:19 AM MDT | Flash Flood Watch | CYS | 19 hr |
| Jul 11, 1:50 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 11, 2:07 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 12, 5:36 PM MDT | Flash Flood Warning | CYS | 3 hr |
| Jul 12, 6:03 PM MDT | Tornado Warning | CYS | 30 min |
| Jul 12, 7:09 PM MDT | Flash Flood Warning | CYS | 8 hr |
| Jul 12, 10:26 PM MDT | Flash Flood Warning | CYS | 4 hr |
| Jul 13, 9:49 PM MDT | Severe Thunderstorm Warning | CYS | 41 min |
| Jul 13, 10:26 PM MDT | Severe Thunderstorm Warning | CYS | 32 min |
| Jul 14, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 16, 3:12 PM MDT | Severe Thunderstorm Warning | CYS | 31 min |
| Jul 16, 3:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 16, 3:52 PM MDT | Severe Thunderstorm Warning | CYS | 53 min |
| Jul 16, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| Jul 24, 2:06 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 24, 7:22 PM MDT | Severe Thunderstorm Warning | CYS | 53 min |
| Jul 25, 1:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 29, 12:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jul 29, 1:54 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 29, 4:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Aug 3, 1:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 4, 1:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Aug 4, 3:56 PM MDT | Severe Thunderstorm Warning | CYS | 60 min |
| Aug 5, 4:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 5:33 PM MDT | Special Weather Statement | CYS | 42 min |
| Aug 9, 12:47 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Aug 9, 1:51 PM MDT | Tornado Watch | SPC | 7 hr |
| Aug 9, 5:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Aug 9, 5:21 PM MDT | Special Weather Statement | CYS | 39 min |
| Aug 9, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| Aug 9, 6:54 PM MDT | Severe Thunderstorm Warning | CYS | 66 min |
| Aug 9, 7:18 PM MDT | Tornado Warning | CYS | 42 min |
| Aug 9, 7:54 PM MDT | Severe Thunderstorm Warning | CYS | 66 min |
| Aug 9, 8:57 PM MDT | Special Weather Statement | CYS | 48 min |
| Aug 9, 8:59 PM MDT | Special Weather Statement | CYS | 46 min |
| Aug 16, 4:31 PM MDT | Severe Thunderstorm Warning | CYS | 44 min |
| Aug 16, 6:05 PM MDT | Special Weather Statement | CYS | 55 min |
| Aug 19, 4:01 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Aug 25, 3:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 28, 5:33 PM MDT | Special Weather Statement | CYS | 57 min |
| Aug 28, 7:13 PM MDT | Special Weather Statement | CYS | 62 min |
| Aug 29, 1:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Aug 29, 1:39 PM MDT | Special Weather Statement | CYS | 66 min |
| Aug 29, 2:20 PM MDT | Special Weather Statement | CYS | 55 min |
| Aug 29, 2:48 PM MDT | Special Weather Statement | CYS | 57 min |
| Aug 29, 3:25 PM MDT | Severe Thunderstorm Warning | CYS | 65 min |
| Aug 29, 3:29 PM MDT | Special Weather Statement | CYS | 61 min |
| Aug 31, 3:59 PM MDT | Special Weather Statement | CYS | 61 min |
| Sep 20, 7:51 PM MDT | Frost Advisory | CYS | 12 hr |
| Oct 6, 2:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Oct 6, 2:32 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Oct 23, 2:35 PM MDT | Winter Storm Watch | CYS | 24 hr |
| Oct 24, 2:57 PM MDT | Winter Weather Advisory | CYS | 45 hr |
| Oct 31, 3:07 AM MDT | Winter Storm Watch | CYS | 12 hr |
| Oct 31, 2:52 PM MDT | Winter Storm Warning | CYS | 42 hr |
| Nov 8, 4:10 AM MST | Dense Fog Advisory | CYS | 5 hr |
| Nov 24, 2:50 PM MST | High Wind Warning | CYS | 30 hr |
| Nov 30, 3:31 AM MST | Winter Weather Advisory | CYS | 31 hr |
| Dec 19, 8:51 AM MST | Winter Weather Advisory | CYS | 3 hr |
| Dec 20, 2:42 PM MST | Winter Weather Advisory | CYS | 40 hr |
| Dec 29, 8:59 PM MST | High Wind Watch | CYS | 15 hr |
| Dec 30, 11:29 AM MST | High Wind Warning | CYS | 29 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 | 7 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 33 |
| Special Weather Statement | 12 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 5 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 11 |
| Cold | |
| Wind Chill Warning | 3 |
| Wind Chill Watch | 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 | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.