Weather alerts in Wyoming, May 2011

131 weather alerts in May 2011, 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 May 2011. Tap one for its archive.

Alerts: 131
Warnings: 47
Watches: 28
Advisories: 28
Busiest day: May 9, 201120 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
Apr 30, 6:55 PM MDT	High Wind Warning	UNR		2 hr
May 7, 11:27 AM MDT	Flood Watch	RIW	Fremont, Lincoln, Sublette, Teton	46 hr
May 7, 9:13 PM MDT	Flood Watch	UNR	Crook, Weston	63 hr
May 8, 3:47 PM MDT	Winter Storm Watch	BYZ		24 hr
May 8, 7:56 PM MDT	Special Weather Statement	RIW	Johnson	49 min
May 8, 7:57 PM MDT	Special Weather Statement	BYZ	Sheridan	63 min
May 8, 8:05 PM MDT	Special Weather Statement	RIW	Johnson	40 min
May 9, 11:28 AM MDT	Special Weather Statement	RIW	Sublette	47 min
May 9, 12:48 PM MDT	Special Weather Statement	RIW	Fremont	42 min
May 9, 1:09 PM MDT	Special Weather Statement	RIW	Fremont	51 min
May 9, 1:16 PM MDT	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 2 more	32 hr
May 9, 1:17 PM MDT	Mesoscale Discussion	SPC	Campbell, Converse, Crook, Fremont, Hot Springs, Johnson and 4 more	58 min
May 9, 1:57 PM MDT	Special Weather Statement	RIW	Hot Springs	48 min
May 9, 2:06 PM MDT	Special Weather Statement	RIW	Hot Springs	39 min
May 9, 2:26 PM MDT	Severe Thunderstorm Watch	SPC	Converse, Crook, Goshen, Niobrara, Platte, Weston	7 hr
May 9, 3:08 PM MDT	Special Weather Statement	RIW	Natrona	37 min
May 9, 3:33 PM MDT	Winter Weather Advisory	BYZ		32 hr
May 9, 4:23 PM MDT	Severe Thunderstorm Warning	CYS	Platte	37 min
May 9, 4:57 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Goshen, Niobrara, Platte	48 min
May 9, 4:57 PM MDT	Mesoscale Discussion	SPC	Albany, Crook, Goshen, Niobrara, Platte, Weston	93 min
May 9, 4:59 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Goshen, Niobrara, Platte	46 min
May 9, 5:42 PM MDT	Severe Thunderstorm Warning	UNR	Weston	63 min
May 9, 5:43 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	43 min
May 9, 5:53 PM MDT	Flash Flood Warning	UNR	Weston	5 hr
May 9, 6:03 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	57 min
May 9, 6:11 PM MDT	Severe Thunderstorm Warning	UNR	Weston	79 min
May 9, 6:52 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook	68 min
May 9, 7:42 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	38 min
May 9, 8:16 PM MDT	Mesoscale Discussion	SPC	Albany, Crook, Goshen, Niobrara, Platte, Weston	29 min
May 9, 8:34 PM MDT	Flood Watch	BYZ	Sheridan	19 hr
May 9, 10:19 PM MDT	Areal Flood Warning	UNR	Weston	16 hr
May 11, 8:12 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Laramie	28 hr
May 14, 11:19 AM MDT	Flood Watch	RIW	Lincoln	49 hr
May 14, 11:22 AM MDT	Flood Watch	CYS	Carbon	3 days
May 14, 2:28 PM MDT	Special Weather Statement	RIW		47 min
May 14, 9:30 PM MDT	Dense Fog Advisory	CYS	Albany, Laramie	38 hr
May 15, 3:47 PM MDT	River Flood Warning	RIW	Lincoln	23 hr
May 15, 4:05 PM MDT	Flash Flood Warning	RIW	Lincoln, Sublette, Teton	47 hr
May 15, 6:39 PM MDT	Mesoscale Discussion	SPC	Lincoln	96 min
May 16, 2:56 PM MDT	Areal Flood Warning	RIW	Lincoln	24 hr
May 16, 2:59 PM MDT	Flash Flood Watch	UNR	Campbell, Crook, Weston	4 days
May 17, 11:27 AM MDT	River Flood Warning	CYS	Carbon	26 hr
May 17, 1:55 PM MDT	Special Weather Statement	RIW	Fremont	50 min
May 17, 3:26 PM MDT	Flood Watch	CYS	Albany, Carbon, Converse, Goshen, Niobrara, Platte	64 hr
May 17, 3:35 PM MDT	Flood Watch	BYZ	Sheridan	5 days
May 17, 6:12 PM MDT	Special Weather Statement	RIW	Johnson	63 min
May 18, 3:12 AM MDT	Flash Flood Watch	CYS	Albany, Laramie, Platte	24 hr
May 18, 3:26 AM MDT	Winter Storm Watch	RIW	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 3 more	19 hr
May 18, 2:06 PM MDT	Areal Flood Warning	CYS	Carbon	20 hr
May 18, 3:00 PM MDT	Winter Storm Warning	RIW	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 3 more	4 days
May 18, 3:00 PM MDT	Winter Weather Advisory	RIW	Fremont, Natrona	27 hr
May 18, 3:04 PM MDT	Winter Weather Advisory	SLC	Uinta	47 hr
May 18, 4:04 PM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Laramie	19 hr
May 18, 9:24 PM MDT	Flood Watch	RIW	Johnson	26 hr
May 19, 3:14 AM MDT	Winter Storm Warning	BYZ		3 days
May 19, 6:14 AM MDT	Winter Storm Warning	CYS	Albany, Laramie	5 hr
May 19, 10:32 AM MDT	Areal Flood Warning	CYS	Carbon	23 hr
May 19, 5:16 PM MDT	Winter Weather Advisory	SLC	Uinta	14 hr
May 21, 8:09 AM MDT	Areal Flood Warning	UNR	Crook	4 days
May 21, 9:12 AM MDT	Areal Flood Warning	BYZ	Sheridan	24 hr
May 21, 9:44 PM MDT	Areal Flood Advisory	UNR	Campbell	23 hr
May 22, 9:03 AM MDT	Areal Flood Warning	BYZ	Sheridan	36 hr
May 22, 9:07 AM MDT	Areal Flood Advisory	RIW	Johnson	6 hr
May 22, 11:34 AM MDT	Flash Flood Warning	RIW	Johnson	6 hr
May 22, 1:45 PM MDT	Areal Flood Advisory	RIW	Hot Springs	6 hr
May 22, 2:22 PM MDT	Flash Flood Watch	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more	64 hr
May 22, 2:37 PM MDT	Areal Flood Advisory	RIW	Johnson	18 hr
May 22, 3:13 PM MDT	Areal Flood Warning	RIW	Johnson	13 hr
May 22, 3:26 PM MDT	Special Weather Statement	RIW		49 min
May 22, 3:35 PM MDT	Special Weather Statement	RIW		40 min
May 22, 6:55 PM MDT	Areal Flood Warning	RIW	Fremont	48 hr
May 22, 7:15 PM MDT	Special Weather Statement	RIW	Fremont	45 min
May 22, 7:19 PM MDT	Special Weather Statement	RIW	Fremont	41 min
May 22, 8:20 PM MDT	Special Weather Statement	RIW		40 min
May 23, 6:57 AM MDT	Areal Flood Warning	CYS	Carbon	53 hr
May 23, 9:52 AM MDT	Flood Watch	BYZ	Sheridan	48 hr
May 23, 11:34 AM MDT	Special Weather Statement	RIW		41 min
May 23, 11:47 AM MDT	Areal Flood Advisory	RIW	Johnson	6 hr
May 23, 2:31 PM MDT	Areal Flood Advisory	RIW	Washakie	15 hr
May 23, 3:26 PM MDT	Special Weather Statement	RIW		49 min
May 23, 4:05 PM MDT	Special Weather Statement	RIW		40 min
May 23, 4:06 PM MDT	Areal Flood Advisory	CYS	Laramie	3 hr
May 23, 5:46 PM MDT	River Flood Warning	RIW	Johnson	8 hr
May 23, 8:18 PM MDT	Flood Watch	CYS	Carbon	38 hr
May 24, 4:38 AM MDT	Areal Flood Advisory	RIW	Lincoln	6 hr
May 24, 10:43 AM MDT	Areal Flood Warning	RIW	Lincoln	9 days
May 24, 3:36 PM MDT	Special Weather Statement	RIW	Washakie	39 min
May 24, 3:40 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook	80 min
May 24, 5:01 PM MDT	Special Weather Statement	RIW	Johnson	59 min
May 24, 5:25 PM MDT	Flash Flood Warning	BYZ	Sheridan	3 hr
May 24, 5:37 PM MDT	Areal Flood Advisory	RIW	Hot Springs	36 hr
May 24, 5:48 PM MDT	Areal Flood Advisory	UNR	Campbell	3 hr
May 24, 6:04 PM MDT	Areal Flood Advisory	UNR	Campbell, Crook, Weston	6 hr
May 24, 6:07 PM MDT	Areal Flood Advisory	RIW	Fremont	5 hr
May 24, 9:01 PM MDT	Flash Flood Warning	BYZ	Sheridan	3 hr
May 24, 10:47 PM MDT	Areal Flood Warning	RIW	Fremont	4 days
May 24, 10:53 PM MDT	Areal Flood Advisory	UNR	Campbell, Crook, Weston	11 hr
May 25, 12:02 AM MDT	Flash Flood Warning	BYZ	Sheridan	3 hr
May 25, 1:38 AM MDT	Areal Flood Advisory	RIW	Johnson	28 hr
May 25, 2:40 AM MDT	Areal Flood Warning	BYZ	Sheridan	5 hr
May 25, 7:23 AM MDT	Areal Flood Warning	BYZ	Sheridan	24 hr
May 25, 12:15 PM MDT	Flood Watch	CYS	Carbon	32 hr
May 25, 3:05 PM MDT	Areal Flood Advisory	RIW	Johnson, Natrona	21 hr
May 25, 4:01 PM MDT	High Wind Watch	RIW	Fremont, Sublette	11 hr
May 26, 4:34 AM MDT	Dense Fog Advisory	CYS	Albany, Laramie	6 hr
May 26, 9:12 AM MDT	Areal Flood Warning	BYZ	Sheridan	23 hr
May 26, 4:17 PM MDT	Severe Thunderstorm Warning	UNR	Weston	43 min
May 27, 3:48 AM MDT	Flood Watch	BYZ	Sheridan	4 days
May 27, 2:49 PM MDT	Flood Watch	UNR	Campbell, Crook, Weston	61 hr
May 28, 3:12 AM MDT	Flood Watch	RIW	Johnson	64 hr
May 28, 3:52 AM MDT	Winter Storm Watch	BYZ		24 hr
May 28, 12:15 PM MDT	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more	60 hr
May 28, 8:53 PM MDT	Flood Watch	CYS	Carbon	33 hr
May 28, 10:07 PM MDT	Dense Fog Advisory	CYS	Albany, Laramie	15 hr
May 29, 3:49 AM MDT	Winter Storm Warning	BYZ		40 hr
May 29, 4:38 AM MDT	High Wind Watch	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	23 hr
May 29, 12:00 PM MDT	High Wind Watch	RIW	Fremont, Natrona, Sweetwater	15 hr
May 29, 4:48 PM MDT	Dense Fog Advisory	CYS	Albany, Converse, Goshen, Laramie, Niobrara, Platte	16 hr
May 29, 7:00 PM MDT	Flood Watch	CYS	Carbon	45 hr
May 29, 8:03 PM MDT	Areal Flood Warning	BYZ	Sheridan	17 hr
May 29, 9:07 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse	24 min
May 29, 11:58 PM MDT	Areal Flood Warning	UNR	Crook	6 hr
May 30, 3:13 AM MDT	High Wind Warning	CYS	Albany, Carbon, Converse, Laramie, Platte	17 hr
May 30, 12:57 PM MDT	River Flood Warning	CYS	Carbon	46 days
May 30, 1:01 PM MDT	Special Weather Statement	RIW	Johnson	44 min
May 30, 2:20 PM MDT	River Flood Warning	RIW	Sweetwater	48 hr
May 30, 4:49 PM MDT	Special Weather Statement	RIW	Hot Springs	41 min
May 30, 9:49 PM MDT	Areal Flood Advisory	CYS	Carbon	6 hr
May 31, 12:47 PM MDT	Flood Watch	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more	67 hr
May 31, 3:11 PM MDT	Areal Flood Warning	CYS	Carbon	43 hr
May 31, 3:38 PM MDT	Flood Watch	CYS	Albany, Carbon	7 days

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	12
Severe Thunderstorm Watch	1
Mesoscale Discussion	4
Special Weather Statement	24
Flooding
Areal Flood Warning	18
Flash Flood Warning	6
River Flood Warning	5
Flash Flood Watch	3
Flood Watch	18
Areal Flood Advisory	16
Winter
Winter Storm Warning	4
Winter Storm Watch	3
Winter Weather Advisory	8
Wind and dust
High Wind Warning	2
High Wind Watch	3
Fog and smoke
Dense Fog Advisory	4

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2010 2012

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.