Alert archive / Wyoming / Converse County
Weather alerts in Converse County, Wyoming, 2010
100 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Converse County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 100
- Warnings
- 31
- Watches
- 33
- Advisories
- 22
- Busiest month
- June22 alerts
- Busiest day
- June 7, 20104 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 Converse County in 2010 had a tornado report inside them; 0 of 2 tornado reports fell inside a warning.
Converse County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 2 | 0% | |
| Severe thunderstorm warnings | 8 | 4 | 50% | 4 | 25% | 13 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cheyenne, WY: tornado warnings | 44 | 20 | 55% | 47 | 72% | 15 min |
| NWS Cheyenne, WY: severe thunderstorm warnings | 180 | 94 | 48% | 354 | 71% | 23 min |
| NWS Cheyenne, WY: flash flood warnings | 17 | 9 | 47% | 40 | 83% | 57 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 5, 4:27 AM MST | Winter Weather Advisory | CYS | 38 hr |
| Jan 6, 2:38 PM MST | Wind Chill Warning | CYS | 12 hr |
| Jan 7, 1:49 PM MST | Wind Chill Warning | CYS | 21 hr |
| Feb 17, 12:14 PM MST | Winter Weather Advisory | CYS | 38 hr |
| Feb 19, 8:54 PM MST | Winter Weather Advisory | CYS | 31 hr |
| Mar 4, 4:53 AM MST | Winter Storm Watch | CYS | 10 hr |
| Mar 4, 2:38 PM MST | Winter Weather Advisory | CYS | 38 hr |
| Mar 7, 4:01 AM MST | Dense Fog Advisory | CYS | 5 hr |
| Mar 17, 2:35 PM MDT | Winter Storm Watch | CYS | 23 hr |
| Mar 18, 3:27 AM MDT | Winter Weather Advisory | CYS | 34 hr |
| Mar 18, 1:09 PM MDT | Winter Storm Warning | CYS | 24 hr |
| Mar 22, 2:43 PM MDT | Winter Weather Advisory | CYS | 33 hr |
| Mar 28, 12:07 PM MDT | High Wind Watch | CYS | 17 hr |
| Mar 29, 4:48 AM MDT | High Wind Warning | CYS | 39 hr |
| Mar 31, 2:48 PM MDT | Winter Weather Advisory | CYS | 39 hr |
| Apr 2, 2:18 PM MDT | High Wind Watch | CYS | 10 hr |
| Apr 3, 12:00 AM MDT | High Wind Warning | CYS | 19 hr |
| Apr 5, 3:15 PM MDT | Winter Weather Advisory | CYS | 39 hr |
| Apr 12, 4:00 PM MDT | High Wind Watch | CYS | 12 hr |
| Apr 13, 3:34 AM MDT | High Wind Warning | CYS | 16 hr |
| Apr 22, 2:49 PM MDT | Winter Storm Warning | CYS | 39 hr |
| May 2, 3:52 PM MDT | High Wind Watch | CYS | 18 hr |
| May 3, 10:21 AM MDT | High Wind Warning | CYS | 33 hr |
| May 10, 5:00 AM MDT | Winter Storm Watch | CYS | 23 hr |
| May 11, 3:49 AM MDT | Winter Storm Warning | CYS | 34 hr |
| May 11, 3:49 AM MDT | Winter Weather Advisory | CYS | 34 hr |
| May 18, 3:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| May 21, 1:30 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 21, 2:26 PM MDT | Tornado Watch | SPC | 8 hr |
| May 21, 5:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 21, 8:45 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| May 21, 9:16 PM MDT | Areal Flood Advisory | CYS | 9 hr |
| May 23, 10:40 AM MDT | High Wind Watch | CYS | 31 hr |
| May 24, 3:47 AM MDT | High Wind Warning | CYS | 16 hr |
| May 26, 1:49 PM MDT | Tornado Watch | SPC | 7 hr |
| May 26, 6:30 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 7, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jun 7, 3:31 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 7, 4:05 PM MDT | Severe Thunderstorm Warning | CYS | 55 min |
| Jun 7, 5:27 PM MDT | Severe Thunderstorm Warning | CYS | 19 min |
| Jun 7, 6:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 6:50 PM MDT | Severe Thunderstorm Warning | CYS | 33 min |
| Jun 9, 8:45 PM MDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jun 9, 10:52 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 10, 12:41 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 3:01 AM MDT | Flood Watch | CYS | 4 days |
| Jun 15, 2:49 PM MDT | High Wind Watch | CYS | 12 hr |
| Jun 16, 3:16 AM MDT | High Wind Warning | CYS | 35 hr |
| Jun 16, 1:38 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jun 19, 4:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 5:07 PM MDT | Severe Thunderstorm Warning | CYS | 54 min |
| Jun 20, 1:30 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 20, 4:23 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jun 20, 5:49 PM MDT | Tornado Warning | CYS | 41 min |
| Jun 21, 2:08 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 22, 12:57 PM MDT | Mesoscale Discussion | SPC | 63 min |
| Jun 22, 1:18 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 5:25 PM MDT | Severe Thunderstorm Warning | CYS | 53 min |
| Jul 3, 12:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 3, 9:44 PM MDT | Severe Thunderstorm Warning | CYS | 12 min |
| Jul 20, 5:30 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jul 21, 2:49 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 29, 9:00 AM MDT | Flash Flood Watch | CYS | 11 hr |
| Aug 4, 2:23 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Aug 16, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 6, 2:49 AM MDT | Freeze Watch | CYS | 12 hr |
| Sep 6, 3:02 PM MDT | Freeze Warning | CYS | 17 hr |
| Oct 12, 10:07 AM MDT | Freeze Watch | CYS | 4 hr |
| Oct 22, 3:53 AM MDT | Winter Storm Watch | CYS | 49 hr |
| Oct 24, 4:55 AM MDT | High Wind Watch | CYS | 8 hr |
| Oct 24, 4:55 AM MDT | High Wind Warning | CYS | 37 hr |
| Oct 25, 3:01 PM MDT | High Wind Watch | CYS | 13 hr |
| Nov 8, 2:41 PM MST | Winter Weather Advisory | CYS | 30 hr |
| Nov 13, 2:49 AM MST | Winter Weather Advisory | CYS | 17 hr |
| Nov 17, 3:38 AM MST | High Wind Watch | CYS | 11 hr |
| Nov 17, 2:10 PM MST | High Wind Warning | CYS | 25 hr |
| Nov 21, 5:23 PM MST | Winter Weather Advisory | CYS | 6 hr |
| Nov 22, 1:45 PM MST | Winter Storm Watch | CYS | 24 hr |
| Nov 23, 2:10 PM MST | Winter Weather Advisory | CYS | 15 hr |
| Nov 24, 3:06 PM MST | Wind Chill Warning | CYS | 17 hr |
| Nov 24, 3:49 PM MST | High Wind Watch | CYS | 13 hr |
| Nov 24, 9:39 PM MST | High Wind Warning | CYS | 30 hr |
| Nov 27, 2:23 AM MST | Winter Weather Advisory | CYS | 64 hr |
| Dec 2, 5:22 AM MST | High Wind Watch | CYS | 6 hr |
| Dec 2, 11:15 AM MST | High Wind Warning | CYS | 27 hr |
| Dec 4, 5:25 AM MST | Dense Fog Advisory | CYS | 7 hr |
| Dec 6, 2:02 AM MST | Dense Fog Advisory | CYS | 11 hr |
| Dec 7, 2:51 AM MST | High Wind Watch | CYS | 22 hr |
| Dec 8, 12:29 AM MST | High Wind Warning | CYS | 31 hr |
| Dec 13, 11:18 AM MST | High Wind Watch | CYS | 9 hr |
| Dec 13, 8:31 PM MST | High Wind Warning | CYS | 29 hr |
| Dec 14, 2:31 PM MST | Winter Weather Advisory | CYS | 27 hr |
| Dec 19, 9:22 AM MST | Winter Weather Advisory | CYS | 25 hr |
| Dec 20, 12:13 PM MST | Winter Weather Advisory | CYS | 32 hr |
| Dec 22, 9:10 PM MST | Freezing Rain Advisory | CYS | 11 hr |
| Dec 27, 2:21 PM MST | High Wind Watch | CYS | 21 hr |
| Dec 28, 2:52 PM MST | Winter Storm Watch | CYS | 22 hr |
| Dec 29, 4:12 AM MST | Winter Storm Warning | CYS | 57 hr |
| Dec 29, 12:37 PM MST | Blizzard Warning | CYS | 59 hr |
| Dec 31, 1:30 PM MST | Wind Chill Warning | CYS | 23 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 | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 6 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 17 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 4 |
| Freeze Watch | 2 |
| Wind and dust | |
| High Wind Warning | 12 |
| High Wind Watch | 14 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
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.