Alert archive / Wyoming / Park County
Weather alerts in Park County, Wyoming, 2019
96 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Park County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 96
- Warnings
- 26
- Watches
- 18
- Advisories
- 30
- Busiest month
- July23 alerts
- Busiest day
- July 8, 20197 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 Park County in 2019 had a tornado report inside them.
Park County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 7 | 0 | 100% | 0 | ||
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Riverton, WY: tornado warnings | 14 | 0 | 100% | 2 | 0% | |
| NWS Riverton, WY: severe thunderstorm warnings | 102 | 18 | 82% | 41 | 59% | 17 min |
| NWS Riverton, WY: flash flood warnings | 1 | 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 5, 1:16 AM MST | Winter Weather Advisory | RIW | 62 hr |
| Jan 5, 2:18 PM MST | Winter Storm Watch | RIW | 24 hr |
| Jan 6, 2:32 PM MST | Winter Weather Advisory | RIW | 25 hr |
| Jan 10, 9:57 PM MST | Winter Weather Advisory | RIW | 6 hr |
| Jan 11, 5:45 PM MST | Dense Fog Advisory | RIW | 18 hr |
| Jan 12, 2:04 PM MST | Dense Fog Advisory | RIW | 21 hr |
| Jan 16, 10:46 AM MST | Winter Weather Advisory | RIW | 48 hr |
| Jan 19, 4:51 PM MST | Winter Storm Watch | RIW | 23 hr |
| Jan 20, 3:36 PM MST | Winter Weather Advisory | RIW | 37 hr |
| Jan 22, 2:45 PM MST | Winter Weather Advisory | RIW | 32 hr |
| Jan 26, 2:38 AM MST | Winter Storm Watch | RIW | 19 hr |
| Jan 26, 9:29 PM MST | High Wind Warning | RIW | 29 hr |
| Feb 1, 1:50 PM MST | Winter Weather Advisory | RIW | 46 hr |
| Feb 3, 1:15 PM MST | Winter Weather Advisory | RIW | 3 days |
| Feb 5, 1:51 PM MST | Wind Chill Warning | RIW | 33 hr |
| Feb 9, 2:41 PM MST | Winter Weather Advisory | RIW | 32 hr |
| Feb 9, 7:06 PM MST | Wind Chill Advisory | RIW | 10 hr |
| Feb 11, 1:37 AM MST | Winter Weather Advisory | RIW | 28 hr |
| Feb 11, 10:41 AM MST | High Wind Warning | RIW | 7 hr |
| Feb 11, 5:19 PM MST | High Wind Watch | RIW | 8 hr |
| Feb 12, 1:25 AM MST | High Wind Warning | RIW | 49 hr |
| Feb 12, 1:50 AM MST | Winter Storm Watch | RIW | 9 hr |
| Feb 12, 10:47 AM MST | Winter Storm Warning | RIW | 4 days |
| Feb 22, 11:16 AM MST | Winter Storm Watch | RIW | 13 hr |
| Feb 23, 12:31 AM MST | Winter Storm Warning | RIW | 5 days |
| Feb 23, 1:32 PM MST | Winter Weather Advisory | RIW | 40 hr |
| Feb 28, 3:12 AM MST | Winter Weather Advisory | RIW | 18 hr |
| Mar 1, 3:50 AM MST | Wind Chill Advisory | RIW | 31 hr |
| Mar 2, 5:24 PM MST | Wind Chill Advisory | RIW | 16 hr |
| Mar 7, 3:13 PM MST | Winter Storm Watch | RIW | 10 hr |
| Mar 12, 9:53 AM MDT | Winter Weather Advisory | RIW | 37 hr |
| Apr 7, 9:18 PM MDT | Winter Storm Watch | RIW | 38 hr |
| Apr 8, 2:13 PM MDT | Winter Weather Advisory | RIW | 58 hr |
| Apr 27, 12:05 PM MDT | High Wind Watch | RIW | 10 hr |
| Apr 27, 10:06 PM MDT | High Wind Warning | RIW | 25 hr |
| Apr 29, 2:48 AM MDT | Winter Weather Advisory | RIW | 57 hr |
| May 19, 1:20 AM MDT | Winter Weather Advisory | RIW | 32 hr |
| May 26, 2:59 PM MDT | Special Weather Statement | RIW | 31 min |
| May 26, 7:06 PM MDT | Special Weather Statement | RIW | 39 min |
| May 27, 3:57 AM MDT | Winter Storm Warning | RIW | 33 hr |
| Jun 6, 4:40 PM MDT | Severe Thunderstorm Warning | RIW | 20 min |
| Jun 6, 4:58 PM MDT | Severe Thunderstorm Warning | RIW | 17 min |
| Jun 16, 1:07 PM MDT | Special Weather Statement | RIW | 23 min |
| Jun 26, 1:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 6:40 AM MDT | Special Weather Statement | RIW | 35 min |
| Jul 1, 9:13 AM MDT | Special Weather Statement | RIW | 32 min |
| Jul 1, 1:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 1, 3:05 PM MDT | Severe Thunderstorm Warning | RIW | 40 min |
| Jul 2, 12:44 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 12:43 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 12:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 1:08 PM MDT | Tornado Warning | RIW | 37 min |
| Jul 8, 1:25 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 8, 1:44 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jul 8, 2:22 PM MDT | Special Weather Statement | RIW | 23 min |
| Jul 8, 2:27 PM MDT | Severe Thunderstorm Warning | RIW | 16 min |
| Jul 8, 2:47 PM MDT | Special Weather Statement | RIW | 28 min |
| Jul 12, 4:16 PM MDT | Severe Thunderstorm Warning | RIW | 29 min |
| Jul 12, 4:47 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 13, 2:41 PM MDT | Special Weather Statement | RIW | 34 min |
| Jul 13, 4:29 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 15, 1:36 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 16, 12:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 16, 1:28 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 22, 3:30 PM MDT | Special Weather Statement | RIW | 45 min |
| Jul 24, 6:39 PM MDT | Special Weather Statement | RIW | 36 min |
| Jul 30, 5:54 PM MDT | Special Weather Statement | RIW | 36 min |
| Aug 4, 1:01 PM MDT | Special Weather Statement | RIW | 44 min |
| Aug 5, 3:30 PM MDT | Severe Thunderstorm Warning | RIW | 45 min |
| Aug 10, 12:44 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 10, 4:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 8:32 PM MDT | Red Flag Warning | RIW | 4 days |
| Aug 21, 3:41 PM MDT | Special Weather Statement | RIW | 34 min |
| Aug 23, 3:19 PM MDT | Fire Weather Watch | RIW | 23 hr |
| Aug 24, 2:10 PM MDT | Red Flag Warning | RIW | 54 hr |
| Aug 27, 1:33 PM MDT | Red Flag Warning | RIW | 53 hr |
| Aug 31, 2:48 PM MDT | Red Flag Warning | RIW | 53 hr |
| Sep 3, 2:26 PM MDT | Red Flag Warning | RIW | 29 hr |
| Sep 19, 1:50 PM MDT | Winter Weather Advisory | RIW | 44 hr |
| Sep 27, 4:02 AM MDT | Winter Storm Watch | RIW | 10 hr |
| Sep 27, 2:06 PM MDT | Winter Weather Advisory | RIW | 52 hr |
| Oct 1, 2:39 PM MDT | Freeze Watch | RIW | 24 hr |
| Oct 2, 2:27 PM MDT | Freeze Warning | RIW | 20 hr |
| Oct 6, 3:02 PM MDT | Winter Storm Watch | RIW | 43 hr |
| Oct 8, 10:24 AM MDT | Winter Storm Warning | RIW | 41 hr |
| Oct 18, 2:42 PM MDT | Winter Weather Advisory | RIW | 51 hr |
| Oct 25, 12:44 PM MDT | Winter Weather Advisory | RIW | 49 hr |
| Oct 27, 2:45 PM MDT | Winter Weather Advisory | RIW | 51 hr |
| Nov 23, 5:16 AM MST | High Wind Watch | RIW | 11 hr |
| Nov 23, 4:13 PM MST | High Wind Warning | RIW | 20 hr |
| Nov 27, 3:53 AM MST | Winter Storm Watch | RIW | 37 hr |
| Nov 28, 4:39 PM MST | Winter Storm Warning | RIW | 49 hr |
| Nov 28, 4:39 PM MST | Winter Weather Advisory | RIW | 43 hr |
| Dec 7, 2:23 AM MST | Winter Weather Advisory | RIW | 43 hr |
| Dec 10, 1:32 PM MST | Winter Storm Watch | RIW | 25 hr |
| Dec 11, 2:30 PM MST | Winter Storm Warning | RIW | 45 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 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 6 |
| Winter Storm Watch | 11 |
| Winter Weather Advisory | 23 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 3 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 1 |
| 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 archive20182020
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.