Alert archive / Wyoming / 2009
Weather alerts in Wyoming, April 2009
50 weather alerts in April 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in April 2009. Tap one for its archive.
- Alerts
- 50
- Warnings
- 16
- Watches
- 12
- Advisories
- 20
- Busiest day
- April 2, 200910 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 9:14 PM MDT | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 5 hr |
| Apr 2, 12:41 AM MDT | Winter Storm Watch | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 3 more | 25 hr |
| Apr 2, 12:41 AM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Natrona, Park, Sublette and 2 more | 65 hr |
| Apr 2, 4:06 AM MDT | Winter Storm Watch | UNR | Campbell, Crook, Weston | 25 hr |
| Apr 2, 4:10 AM MDT | Winter Storm Watch | CYS | Crook, Weston | 33 hr |
| Apr 2, 4:10 AM MDT | Winter Storm Warning | SLC | Uinta | 66 hr |
| Apr 2, 4:10 AM MDT | Winter Weather Advisory | SLC | Uinta | 66 hr |
| Apr 2, 4:23 AM MDT | Winter Storm Watch | BYZ | 12 hr | |
| Apr 2, 1:08 PM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more | 53 hr |
| Apr 2, 3:53 PM MDT | Winter Storm Warning | BYZ | 50 hr | |
| Apr 2, 3:53 PM MDT | Winter Weather Advisory | BYZ | 42 hr | |
| Apr 3, 4:00 AM MDT | Winter Storm Warning | CYS | Crook, Weston | 41 hr |
| Apr 3, 4:55 AM MDT | Winter Storm Warning | UNR | Campbell, Crook, Weston | 41 hr |
| Apr 3, 4:55 AM MDT | Winter Weather Advisory | UNR | Campbell, Crook, Weston | 27 hr |
| Apr 4, 4:57 AM MDT | Mesoscale Discussion | SPC | Albany, Goshen, Laramie, Niobrara, Platte | 4 hr |
| Apr 4, 8:34 AM MDT | Blizzard Warning | CYS | 18 hr | |
| Apr 4, 9:52 AM MDT | Blizzard Warning | RIW | Fremont, Sublette | 8 hr |
| Apr 8, 11:09 AM MDT | Winter Storm Watch | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 3 hr |
| Apr 8, 2:30 PM MDT | Winter Storm Warning | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 20 hr |
| Apr 8, 2:30 PM MDT | Winter Weather Advisory | RIW | Lincoln, Park, Sublette, Teton | 20 hr |
| Apr 8, 2:36 PM MDT | Winter Weather Advisory | UNR | Crook, Weston | 25 hr |
| Apr 9, 3:07 PM MDT | Flood Watch | UNR | Crook, Weston | 72 hr |
| Apr 11, 2:06 PM MDT | Winter Weather Advisory | CYS | 28 hr | |
| Apr 12, 9:22 AM MDT | Flood Watch | UNR | Crook, Weston | 4 days |
| Apr 13, 1:36 AM MDT | Winter Storm Watch | RIW | Fremont, Lincoln, Park, Sublette, Teton | 23 hr |
| Apr 14, 12:25 AM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 21 hr |
| Apr 14, 9:44 AM MDT | Winter Weather Advisory | SLC | Uinta | 59 hr |
| Apr 14, 1:02 PM MDT | Winter Storm Watch | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater | 49 hr |
| Apr 14, 1:42 PM MDT | Winter Storm Watch | CYS | 40 hr | |
| Apr 15, 2:03 AM MDT | Winter Storm Warning | RIW | Fremont, Natrona, Sublette, Sweetwater | 48 hr |
| Apr 15, 1:33 PM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Natrona, Sublette, Sweetwater | 43 hr |
| Apr 15, 3:36 PM MDT | Winter Storm Warning | CYS | 68 hr | |
| Apr 16, 5:57 AM MDT | Winter Storm Watch | CYS | 7 hr | |
| Apr 16, 1:20 PM MDT | Flood Watch | UNR | Crook, Weston | 5 days |
| Apr 16, 3:02 PM MDT | Winter Weather Advisory | UNR | Crook, Weston | 12 hr |
| Apr 17, 9:09 AM MDT | Winter Weather Advisory | CYS | 19 hr | |
| Apr 23, 4:26 AM MDT | Winter Storm Warning | BYZ | 30 hr | |
| Apr 23, 4:26 AM MDT | Winter Weather Advisory | BYZ | 30 hr | |
| Apr 23, 8:54 PM MDT | Winter Weather Advisory | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 18 hr |
| Apr 24, 8:40 AM MDT | Winter Weather Advisory | UNR | Crook, Weston | 3 hr |
| Apr 25, 3:47 AM MDT | Winter Weather Advisory | UNR | Crook, Weston | 35 hr |
| Apr 25, 1:46 PM MDT | Winter Storm Warning | UNR | Campbell, Crook, Weston | 25 hr |
| Apr 25, 3:13 PM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Natrona, Park, Sublette and 2 more | 39 hr |
| Apr 25, 3:41 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 49 min |
| Apr 25, 4:05 PM MDT | Winter Weather Advisory | CYS | 17 hr | |
| Apr 25, 4:27 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 48 min |
| Apr 25, 5:11 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 37 min |
| Apr 26, 12:31 AM MDT | Dense Fog Advisory | CYS | 6 hr | |
| Apr 27, 2:13 PM MDT | Winter Weather Advisory | RIW | Fremont, Lincoln, Park, Sublette, Teton | 37 hr |
| Apr 28, 4:45 PM MDT | Mesoscale Discussion | SPC | Campbell, Converse, Crook, Goshen, Laramie, Niobrara and 2 more | 3 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 | 3 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flood Watch | 3 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 11 |
| Winter Storm Watch | 9 |
| Winter Weather Advisory | 19 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sublette County16
- Fremont County15
- Crook County14
- Weston County14
- Lincoln County13
- Teton County11
- Park County11
- Hot Springs County9
- Sweetwater County9
- Natrona County8
- Campbell County5
- Big Horn County3
- Johnson County3
- Washakie County3
- Uinta County3
- Goshen County2
- Laramie County2
- Niobrara County2
- Platte County2
- Albany County1
- Carbon County1
- Converse County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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. Rebuilt daily.