Alert archive / Wyoming / Teton County
Weather alerts in Teton County, Wyoming, 2008
109 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Teton County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 109
- Warnings
- 28
- Watches
- 13
- Advisories
- 34
- Busiest month
- August21 alerts
- Busiest day
- August 10, 20085 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Teton County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 2 | 71% | 3 | 33% | 50 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Riverton, WY: tornado warnings | 5 | 3 | 40% | 5 | 60% | 18 min |
| NWS Riverton, WY: severe thunderstorm warnings | 93 | 10 | 89% | 23 | 48% | 31 min |
| NWS Riverton, WY: flash flood warnings | 6 | 0 | 100% | 1 | 0% |
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, 3:39 PM MST | Winter Storm Watch | RIW | 24 hr |
| Jan 4, 3:15 PM MST | Winter Storm Warning | RIW | 26 hr |
| Jan 8, 2:28 AM MST | Snow Advisory | RIW | 36 hr |
| Jan 10, 2:32 AM MST | Snow Advisory | RIW | 32 hr |
| Jan 15, 9:14 AM MST | Snow Advisory | RIW | 11 hr |
| Jan 19, 9:57 AM MST | Snow Advisory | RIW | 50 hr |
| Jan 19, 9:57 AM MST | Winter Storm Warning | RIW | 52 hr |
| Jan 25, 3:10 PM MST | Winter Storm Watch | RIW | 36 hr |
| Jan 27, 2:45 AM MST | Winter Storm Warning | RIW | 39 hr |
| Jan 28, 8:48 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Jan 29, 2:38 AM MST | Snow Advisory | RIW | 30 hr |
| Jan 31, 2:45 AM MST | Snow Advisory | RIW | 26 hr |
| Feb 2, 3:18 PM MST | Snow Advisory | RIW | 27 hr |
| Feb 5, 4:31 PM MST | Snow Advisory | RIW | 18 hr |
| Feb 6, 3:54 AM MST | Winter Storm Watch | RIW | 13 hr |
| Feb 6, 4:25 PM MST | Snow Advisory | RIW | 32 hr |
| Feb 6, 4:25 PM MST | Winter Storm Warning | RIW | 33 hr |
| Feb 8, 1:52 AM MST | Snow Advisory | RIW | 24 hr |
| Feb 10, 3:17 PM MST | Snow Advisory | RIW | 24 hr |
| Feb 12, 11:45 AM MST | Snow Advisory | RIW | 39 hr |
| Feb 23, 4:10 PM MST | Snow Advisory | RIW | 27 hr |
| Feb 24, 11:42 AM MST | Winter Storm Warning | RIW | 8 hr |
| Mar 1, 2:45 AM MST | Snow Advisory | RIW | 42 hr |
| Mar 3, 3:31 PM MST | Snow Advisory | RIW | 30 hr |
| Mar 13, 2:44 AM MDT | Snow Advisory | RIW | 37 hr |
| Mar 18, 3:55 PM MDT | Snow Advisory | RIW | 14 hr |
| Mar 19, 4:20 PM MDT | Snow Advisory | RIW | 17 hr |
| Mar 25, 2:09 AM MDT | Snow Advisory | RIW | 20 hr |
| Mar 26, 8:33 AM MDT | Snow Advisory | RIW | 33 hr |
| Mar 28, 2:45 PM MDT | Snow Advisory | RIW | 23 hr |
| Apr 4, 2:47 PM MDT | Snow Advisory | RIW | 19 hr |
| Apr 12, 11:10 AM MDT | Flood Watch | RIW | 58 hr |
| Apr 15, 2:42 PM MDT | Snow Advisory | RIW | 18 hr |
| Apr 25, 10:05 AM MDT | Snow Advisory | RIW | 19 hr |
| May 11, 2:39 PM MDT | Snow Advisory | RIW | 21 hr |
| May 20, 8:15 PM MDT | Special Weather Statement | RIW | 45 min |
| May 21, 3:51 PM MDT | Snow Advisory | RIW | 32 hr |
| Jun 1, 5:01 PM MDT | Special Weather Statement | RIW | 59 min |
| Jun 1, 6:01 PM MDT | Special Weather Statement | RIW | 59 min |
| Jun 1, 8:55 PM MDT | Special Weather Statement | RIW | 65 min |
| Jun 1, 9:45 PM MDT | Special Weather Statement | RIW | 60 min |
| Jun 2, 5:32 PM MDT | Special Weather Statement | RIW | 58 min |
| Jun 2, 6:08 PM MDT | Special Weather Statement | RIW | 67 min |
| Jun 10, 9:55 AM MDT | Snow Advisory | RIW | 11 hr |
| Jun 11, 4:07 AM MDT | Snow Advisory | RIW | 35 hr |
| Jun 25, 5:35 PM MDT | Special Weather Statement | RIW | 25 min |
| Jul 1, 4:33 PM MDT | Severe Thunderstorm Warning | RIW | 42 min |
| Jul 6, 9:20 PM MDT | Special Weather Statement | RIW | 55 min |
| Jul 11, 3:30 PM MDT | Freeze Warning | RIW | 16 hr |
| Jul 20, 3:20 PM MDT | Special Weather Statement | RIW | 55 min |
| Jul 20, 5:15 PM MDT | Special Weather Statement | RIW | 60 min |
| Jul 20, 5:30 PM MDT | Severe Thunderstorm Warning | RIW | 29 min |
| Jul 20, 5:58 PM MDT | Special Weather Statement | RIW | 62 min |
| Jul 21, 2:34 PM MDT | Special Weather Statement | RIW | 56 min |
| Jul 22, 1:00 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 22, 4:25 PM MDT | Severe Thunderstorm Warning | RIW | 50 min |
| Jul 22, 5:12 PM MDT | Severe Thunderstorm Warning | RIW | 48 min |
| Jul 22, 6:20 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 22, 6:50 PM MDT | Severe Thunderstorm Warning | RIW | 40 min |
| Jul 22, 7:37 PM MDT | Severe Thunderstorm Warning | RIW | 25 min |
| Jul 22, 8:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 24, 6:06 AM MDT | Special Weather Statement | RIW | 39 min |
| Jul 29, 3:02 PM MDT | Red Flag Warning | RIW | 29 hr |
| Aug 1, 2:35 AM MDT | Red Flag Warning | RIW | 17 hr |
| Aug 1, 2:56 PM MDT | Red Flag Warning | RIW | 30 hr |
| Aug 2, 2:48 PM MDT | Red Flag Warning | RIW | 30 hr |
| Aug 8, 5:06 PM MDT | Special Weather Statement | RIW | 54 min |
| Aug 8, 11:32 PM MDT | Special Weather Statement | RIW | 58 min |
| Aug 9, 5:07 PM MDT | Severe Thunderstorm Warning | RIW | 53 min |
| Aug 9, 7:21 PM MDT | Special Weather Statement | RIW | 54 min |
| Aug 10, 3:23 PM MDT | Special Weather Statement | RIW | 67 min |
| Aug 10, 4:00 PM MDT | Special Weather Statement | RIW | 60 min |
| Aug 10, 5:04 PM MDT | Special Weather Statement | RIW | 56 min |
| Aug 10, 5:25 PM MDT | Special Weather Statement | RIW | 65 min |
| Aug 20, 3:08 AM MDT | Fire Weather Watch | RIW | 25 hr |
| Aug 21, 4:35 AM MDT | Red Flag Warning | RIW | 19 hr |
| Aug 22, 2:59 PM MDT | Freeze Warning | RIW | 17 hr |
| Aug 24, 2:38 PM MDT | Fire Weather Watch | RIW | 12 hr |
| Aug 25, 2:31 AM MDT | Red Flag Warning | RIW | 39 hr |
| Aug 25, 3:47 PM MDT | Red Flag Warning | RIW | 29 hr |
| Aug 30, 2:36 AM MDT | Red Flag Warning | RIW | 18 hr |
| Aug 31, 1:13 PM MDT | Special Weather Statement | RIW | 62 min |
| Aug 31, 2:59 PM MDT | Special Weather Statement | RIW | 61 min |
| Aug 31, 4:56 PM MDT | Special Weather Statement | RIW | 49 min |
| Sep 1, 4:52 PM MDT | Special Weather Statement | RIW | 53 min |
| Sep 20, 3:34 PM MDT | Special Weather Statement | RIW | 56 min |
| Sep 20, 5:18 PM MDT | Special Weather Statement | RIW | 57 min |
| Oct 9, 4:22 AM MDT | Winter Storm Watch | RIW | 49 hr |
| Oct 10, 4:35 AM MDT | Winter Storm Warning | RIW | 59 hr |
| Oct 11, 10:38 AM MDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 20, 4:06 PM MDT | Special Weather Statement | RIW | 54 min |
| Nov 3, 4:26 AM MST | Winter Weather Advisory | RIW | 49 hr |
| Nov 11, 2:42 AM MST | Winter Storm Watch | RIW | 13 hr |
| Nov 11, 3:17 PM MST | Winter Weather Advisory | RIW | 11 hr |
| Nov 12, 2:35 AM MST | Winter Storm Warning | RIW | 32 hr |
| Dec 2, 3:11 AM MST | Winter Weather Advisory | RIW | 21 hr |
| Dec 12, 2:46 AM MST | Winter Storm Watch | RIW | 13 hr |
| Dec 12, 2:55 PM MST | Winter Weather Advisory | RIW | 31 hr |
| Dec 12, 9:25 PM MST | Winter Storm Warning | RIW | 24 hr |
| Dec 18, 3:49 PM MST | Winter Weather Advisory | RIW | 23 hr |
| Dec 20, 3:09 AM MST | Winter Storm Watch | RIW | 35 hr |
| Dec 21, 2:20 PM MST | Winter Storm Warning | RIW | 27 hr |
| Dec 22, 5:22 AM MST | Mesoscale Discussion | SPC | 5 hr |
| Dec 22, 5:22 AM MST | Mesoscale Discussion | SPC | 5 hr |
| Dec 23, 3:28 PM MST | Winter Storm Watch | RIW | 24 hr |
| Dec 24, 3:10 PM MST | Winter Storm Warning | RIW | 51 hr |
| Dec 27, 4:22 PM MST | Winter Storm Watch | RIW | 10 hr |
| Dec 28, 2:37 AM MST | Winter Weather Advisory | RIW | 44 hr |
| Dec 30, 12:04 AM MST | High Wind Warning | RIW | 5 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 | 7 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 28 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 10 |
| Winter Storm Watch | 9 |
| Snow Advisory | 28 |
| Winter Weather Advisory | 6 |
| Cold | |
| Freeze Warning | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.