Alert archive / Wyoming / Fremont County
Weather alerts in Fremont County, Wyoming, 2008
210 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Fremont County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 210
- Warnings
- 76
- Watches
- 39
- Advisories
- 52
- Busiest month
- July38 alerts
- Busiest day
- May 21, 20089 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 reports fell inside a warning.
Fremont County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 26 | 2 | 92% | 6 | 33% | 19 min |
| Flash flood warnings | 1 | 0 | 100% | 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, 2:36 AM MST | High Wind Watch | RIW | 34 hr |
| Jan 3, 3:39 PM MST | Winter Storm Watch | RIW | 24 hr |
| Jan 4, 12:16 PM MST | High Wind Warning | RIW | 24 hr |
| Jan 4, 3:15 PM MST | Snow Advisory | RIW | 26 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 8, 5:51 PM MST | High Wind Warning | RIW | 11 hr |
| Jan 10, 2:32 AM MST | Snow Advisory | RIW | 32 hr |
| Jan 13, 3:12 PM MST | High Wind Watch | RIW | 36 hr |
| Jan 14, 2:45 PM MST | High Wind Warning | RIW | 24 hr |
| Jan 15, 9:14 AM MST | Snow Advisory | RIW | 11 hr |
| Jan 16, 3:02 PM MST | Winter Storm Watch | RIW | 9 hr |
| Jan 17, 12:08 AM MST | Winter Storm Warning | RIW | 39 hr |
| Jan 19, 9:57 AM MST | Snow Advisory | RIW | 50 hr |
| Jan 19, 9:57 AM MST | Winter Storm Watch | RIW | 18 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 25, 3:22 PM MST | High Wind Watch | RIW | 24 hr |
| Jan 26, 2:53 PM MST | High Wind Warning | RIW | 48 hr |
| Jan 27, 2:45 AM MST | Snow Advisory | RIW | 41 hr |
| Jan 27, 2:45 AM MST | Winter Storm Warning | RIW | 39 hr |
| Jan 29, 2:38 AM MST | Snow Advisory | RIW | 30 hr |
| Jan 29, 1:05 PM MST | High Wind Warning | RIW | 3 hr |
| Jan 30, 3:20 PM MST | High Wind Watch | RIW | 12 hr |
| Jan 31, 12:41 AM MST | High Wind Warning | RIW | 22 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 5, 4:48 PM MST | High Wind Watch | RIW | 24 hr |
| Feb 6, 3:54 AM MST | Winter Storm Watch | RIW | 13 hr |
| Feb 6, 6:19 AM MST | High Wind Warning | RIW | 4 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 6, 4:33 PM MST | High Wind Warning | RIW | 64 hr |
| Feb 7, 3:13 PM MST | High Wind Watch | RIW | 24 hr |
| Feb 7, 4:58 PM MST | Winter Weather Advisory | RIW | 2 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, 11:23 AM MST | High Wind Watch | RIW | 8 hr |
| Feb 12, 11:45 AM MST | Snow Advisory | RIW | 39 hr |
| Feb 13, 11:43 AM MST | Winter Weather Advisory | RIW | 15 hr |
| Feb 14, 3:09 AM MST | Snow Advisory | RIW | 5 hr |
| Feb 14, 3:09 AM MST | Winter Weather Advisory | RIW | 11 hr |
| Feb 14, 8:23 AM MST | Blowing Snow Advisory | RIW | 6 hr |
| Feb 23, 4:10 PM MST | Snow Advisory | RIW | 27 hr |
| Mar 1, 2:45 AM MST | Snow Advisory | RIW | 42 hr |
| Mar 3, 2:45 AM MST | High Wind Watch | RIW | 12 hr |
| Mar 3, 3:14 PM MST | High Wind Warning | RIW | 17 hr |
| Mar 3, 3:31 PM MST | Snow Advisory | RIW | 30 hr |
| Mar 13, 2:44 AM MDT | Snow Advisory | RIW | 37 hr |
| Mar 15, 5:05 AM MDT | Dense Fog Advisory | RIW | 5 hr |
| Mar 16, 8:15 AM MDT | Snow Advisory | RIW | 10 hr |
| Mar 18, 3:55 PM MDT | Snow Advisory | RIW | 14 hr |
| Mar 19, 4:20 PM MDT | Snow Advisory | RIW | 17 hr |
| Mar 21, 3:46 PM MDT | Snow Advisory | RIW | 20 hr |
| Mar 23, 11:18 AM MDT | High Wind Watch | RIW | 9 hr |
| Mar 23, 8:47 PM MDT | High Wind Warning | RIW | 15 hr |
| Mar 25, 2:09 AM MDT | Snow Advisory | RIW | 20 hr |
| Mar 27, 2:00 AM MDT | High Wind Warning | RIW | 12 hr |
| Mar 28, 2:45 PM MDT | Snow Advisory | RIW | 23 hr |
| Mar 29, 11:23 AM MDT | High Wind Warning | RIW | 8 hr |
| Mar 29, 1:42 PM MDT | Snow Advisory | RIW | 32 hr |
| Apr 15, 1:20 AM MDT | High Wind Warning | RIW | 9 hr |
| Apr 15, 2:42 PM MDT | Snow Advisory | RIW | 18 hr |
| Apr 19, 2:56 PM MDT | High Wind Watch | RIW | 7 hr |
| Apr 20, 10:59 AM MDT | High Wind Warning | RIW | 8 hr |
| Apr 24, 9:11 AM MDT | Snow Advisory | RIW | 12 hr |
| Apr 25, 10:05 AM MDT | Snow Advisory | RIW | 19 hr |
| Apr 30, 3:31 PM MDT | Snow Advisory | RIW | 21 hr |
| Apr 30, 3:31 PM MDT | Winter Storm Watch | RIW | 21 hr |
| May 1, 12:05 PM MDT | Winter Storm Warning | RIW | 24 hr |
| May 9, 1:35 PM MDT | Special Weather Statement | RIW | 55 min |
| May 9, 5:14 PM MDT | Special Weather Statement | RIW | 61 min |
| May 9, 6:00 PM MDT | Special Weather Statement | RIW | 60 min |
| May 11, 2:39 PM MDT | Snow Advisory | RIW | 21 hr |
| May 20, 3:14 PM MDT | Winter Storm Watch | RIW | 25 hr |
| May 20, 9:39 PM MDT | Special Weather Statement | RIW | 66 min |
| May 20, 10:14 PM MDT | Severe Thunderstorm Warning | RIW | 61 min |
| May 21, 12:55 PM MDT | Special Weather Statement | RIW | 35 min |
| May 21, 1:29 PM MDT | Special Weather Statement | RIW | 31 min |
| May 21, 1:41 PM MDT | Severe Thunderstorm Warning | RIW | 49 min |
| May 21, 2:45 PM MDT | Severe Thunderstorm Warning | RIW | 30 min |
| May 21, 3:45 PM MDT | Severe Thunderstorm Warning | RIW | 45 min |
| May 21, 3:51 PM MDT | Snow Advisory | RIW | 32 hr |
| May 21, 3:51 PM MDT | Winter Storm Warning | RIW | 32 hr |
| May 25, 6:39 PM MDT | Special Weather Statement | RIW | 66 min |
| May 25, 6:54 PM MDT | Areal Flood Advisory | RIW | 86 min |
| May 26, 8:47 AM MDT | Areal Flood Advisory | RIW | 3 hr |
| May 26, 11:54 AM MDT | Areal Flood Advisory | RIW | 15 hr |
| May 29, 2:16 PM MDT | Special Weather Statement | RIW | 44 min |
| May 29, 6:39 PM MDT | Special Weather Statement | RIW | 51 min |
| May 29, 7:04 PM MDT | Special Weather Statement | RIW | 41 min |
| May 30, 6:45 PM MDT | Special Weather Statement | RIW | 60 min |
| Jun 4, 4:19 PM MDT | Snow Advisory | RIW | 20 hr |
| Jun 10, 9:55 AM MDT | Snow Advisory | RIW | 11 hr |
| Jun 11, 4:07 AM MDT | Snow Advisory | RIW | 35 hr |
| Jun 23, 2:00 PM MDT | Severe Thunderstorm Warning | RIW | 30 min |
| Jun 23, 2:26 PM MDT | Severe Thunderstorm Warning | RIW | 34 min |
| Jun 24, 3:28 PM MDT | Severe Thunderstorm Warning | RIW | 27 min |
| Jun 24, 4:20 PM MDT | Severe Thunderstorm Warning | RIW | 25 min |
| Jun 25, 4:45 PM MDT | Special Weather Statement | RIW | 30 min |
| Jun 25, 7:46 PM MDT | Special Weather Statement | RIW | 59 min |
| Jun 25, 8:17 PM MDT | Special Weather Statement | RIW | 58 min |
| Jul 1, 1:42 PM MDT | Special Weather Statement | RIW | 63 min |
| Jul 1, 3:23 PM MDT | Severe Thunderstorm Warning | RIW | 52 min |
| Jul 1, 4:12 PM MDT | Severe Thunderstorm Warning | RIW | 28 min |
| Jul 1, 6:49 PM MDT | Special Weather Statement | RIW | 56 min |
| Jul 1, 9:33 PM MDT | Flash Flood Warning | RIW | 117 min |
| Jul 2, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 7:48 PM MDT | Severe Thunderstorm Warning | RIW | 42 min |
| Jul 2, 8:15 PM MDT | Severe Thunderstorm Warning | RIW | 45 min |
| Jul 2, 9:02 PM MDT | Severe Thunderstorm Warning | RIW | 43 min |
| Jul 2, 9:33 PM MDT | Severe Thunderstorm Warning | RIW | 27 min |
| Jul 2, 9:57 PM MDT | Severe Thunderstorm Warning | RIW | 48 min |
| Jul 4, 5:12 PM MDT | Special Weather Statement | RIW | 33 min |
| Jul 6, 1:32 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 2:30 PM MDT | Severe Thunderstorm Warning | RIW | 45 min |
| Jul 6, 2:59 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jul 6, 3:41 PM MDT | Severe Thunderstorm Warning | RIW | 27 min |
| Jul 6, 4:11 PM MDT | Severe Thunderstorm Warning | RIW | 49 min |
| Jul 6, 4:47 PM MDT | Severe Thunderstorm Warning | RIW | 43 min |
| Jul 6, 4:59 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jul 6, 5:13 PM MDT | Severe Thunderstorm Warning | RIW | 47 min |
| Jul 6, 6:08 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 7, 8:30 PM MDT | Special Weather Statement | RIW | 60 min |
| Jul 7, 9:25 PM MDT | Special Weather Statement | RIW | 65 min |
| Jul 20, 1:51 PM MDT | Special Weather Statement | RIW | 54 min |
| Jul 20, 2:57 PM MDT | Special Weather Statement | RIW | 63 min |
| Jul 21, 6:25 PM MDT | Special Weather Statement | RIW | 65 min |
| Jul 22, 7:03 PM MDT | Special Weather Statement | RIW | 87 min |
| Jul 22, 7:45 PM MDT | Severe Thunderstorm Warning | RIW | 26 min |
| Jul 24, 1:48 PM MDT | Special Weather Statement | RIW | 57 min |
| Jul 25, 1:32 PM MDT | Special Weather Statement | RIW | 58 min |
| Jul 25, 1:56 PM MDT | Special Weather Statement | RIW | 64 min |
| Jul 25, 3:12 PM MDT | Special Weather Statement | RIW | 63 min |
| Jul 26, 4:21 PM MDT | Special Weather Statement | RIW | 54 min |
| Jul 26, 4:27 PM MDT | Severe Thunderstorm Warning | RIW | 33 min |
| Jul 26, 5:17 PM MDT | Special Weather Statement | RIW | 58 min |
| Jul 26, 6:04 PM MDT | Severe Thunderstorm Warning | RIW | 26 min |
| Jul 29, 3:02 PM MDT | Red Flag Warning | RIW | 5 hr |
| 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 3, 2:30 PM MDT | Red Flag Warning | RIW | 31 hr |
| Aug 8, 10:35 AM MDT | Flash Flood Watch | RIW | 10 hr |
| Aug 9, 8:06 PM MDT | Special Weather Statement | RIW | 54 min |
| Aug 9, 8:38 PM MDT | Special Weather Statement | RIW | 67 min |
| Aug 9, 9:24 PM MDT | Special Weather Statement | RIW | 66 min |
| Aug 10, 6:03 PM MDT | Special Weather Statement | RIW | 57 min |
| Aug 10, 6:31 PM MDT | Special Weather Statement | RIW | 59 min |
| Aug 10, 7:00 PM MDT | Special Weather Statement | RIW | 60 min |
| Aug 19, 3:11 PM MDT | Fire Weather Watch | RIW | 12 hr |
| 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 26, 3:01 PM MDT | Red Flag Warning | RIW | 30 hr |
| Aug 30, 2:36 AM MDT | Red Flag Warning | RIW | 18 hr |
| Aug 31, 1:42 AM MDT | Flash Flood Watch | RIW | 25 hr |
| Sep 1, 6:16 PM MDT | Special Weather Statement | RIW | 59 min |
| Sep 1, 6:37 PM MDT | Special Weather Statement | RIW | 53 min |
| Sep 1, 7:12 PM MDT | Special Weather Statement | RIW | 63 min |
| Sep 10, 7:38 PM MDT | Special Weather Statement | RIW | 67 min |
| Sep 20, 5:31 PM MDT | Special Weather Statement | RIW | 29 min |
| Sep 24, 1:30 PM MDT | Fire Weather Watch | RIW | 11 hr |
| Sep 25, 12:55 AM MDT | Red Flag Warning | RIW | 18 hr |
| Oct 5, 3:32 PM MDT | Severe Thunderstorm Warning | RIW | 43 min |
| Oct 6, 1:51 AM MDT | Freeze Watch | RIW | 13 hr |
| Oct 6, 2:51 PM MDT | Freeze Warning | RIW | 17 hr |
| 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 10, 10:32 PM MDT | Special Weather Statement | RIW | 58 min |
| Oct 11, 10:38 AM MDT | Mesoscale Discussion | SPC | 4 hr |
| 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 |
| Nov 12, 3:50 PM MST | High Wind Watch | RIW | 10 hr |
| Nov 12, 3:50 PM MST | High Wind Warning | RIW | 34 hr |
| Dec 2, 3:11 AM MST | Winter Weather Advisory | RIW | 21 hr |
| Dec 7, 3:05 PM MST | Winter Weather Advisory | RIW | 29 hr |
| Dec 9, 1:50 PM MST | High Wind Warning | RIW | 13 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, 8:40 PM MST | High Wind Warning | RIW | 15 hr |
| Dec 12, 9:25 PM MST | Winter Storm Watch | RIW | 15 hr |
| Dec 12, 9:25 PM MST | Winter Storm Warning | RIW | 24 hr |
| Dec 13, 9:44 PM MST | Wind Chill Warning | RIW | 13 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 21, 2:20 PM MST | Winter Weather Advisory | RIW | 30 hr |
| Dec 23, 3:28 PM MST | Winter Storm Watch | RIW | 24 hr |
| Dec 23, 9:09 PM MST | High Wind Watch | RIW | 12 hr |
| Dec 24, 9:04 AM MST | High Wind Warning | RIW | 32 hr |
| Dec 24, 3:10 PM MST | Winter Storm Warning | RIW | 51 hr |
| Dec 25, 3:12 PM MST | Winter Weather Advisory | RIW | 27 hr |
| Dec 27, 2:44 AM MST | High Wind Watch | RIW | 13 hr |
| Dec 27, 4:12 PM MST | High Wind Watch | RIW | 10 hr |
| Dec 27, 4:12 PM MST | High Wind Warning | RIW | 24 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 29, 2:52 AM MST | High Wind Warning | RIW | 26 hr |
| Dec 29, 3:02 PM MST | High Wind Watch | RIW | 89 min |
| Dec 30, 12:04 AM MST | High Wind Warning | RIW | 5 hr |
| Dec 30, 3:05 PM MST | High Wind Watch | RIW | 12 hr |
| Dec 31, 3:18 AM MST | High Wind Warning | RIW | 17 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 | 26 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 41 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 12 |
| Winter Storm Watch | 14 |
| Blowing Snow Advisory | 1 |
| Snow Advisory | 35 |
| Winter Weather Advisory | 12 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 22 |
| High Wind Watch | 16 |
| Fire | |
| Red Flag Warning | 12 |
| Fire Weather Watch | 4 |
| 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 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.