Alert archive / Wyoming / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 67, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 5, 2022, 3:08 PM MDT for 4 counties in Wyoming. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 5, 2022, 3:08 PM MDT (21:08 UTC)
- Expired
- Jul 5, 2022, 4:15 PM MDT
- In force
- 67 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 2.0 in
- Wind
- 60.0 mph
Counties Converse County, WY, Goshen County, WY, Niobrara County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 157 km from the middle of the area, began a volume at 21:11 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 9.1 hours before the alert went out and 230 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1132 J/kg
- Mixed-layer CIN
- -322 J/kg
- Mixed-layer LCL
- 1435 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 12:34 PM MDT, 2 hours 34 minutes earlier.
Area forecast discussion, Jul 5, 12:34 PM MDT, 2 hours 34 minutes before
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</html>Hazardous weather outlook, Jul 5, 4:37 AM MDT, 10 hours 31 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 437 AM MDT Tue Jul 5 2022 NEZ054-WYZ101-103>107-109>119-061045- Kimball County-Converse County Lower Elevations- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 437 AM MDT Tue Jul 5 2022 This hazardous weather outlook is for portions of the Nebraska panhandle...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT There is a chance for isolated strong thunderstorms this afternoon and evening. Main hazards include strong, gusty winds up to 60 mph and small hail. Moderate to heavy rain is also possible. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY There is a chance for isolated strong thunderstorms on Wednesday. Main hazards include strong, gusty winds, small hail, and heavy rain. Afternoon thunderstorm chances continue through Friday. .Spotter information statement... Spotter activation will not be needed. NEZ002-003-019>021-055-095-096-WYZ102-108-061045- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Cheyenne County-Northern Sioux County- Southern Sioux County-Niobrara County-Goshen County- 437 AM MDT Tue Jul 5 2022 This hazardous weather outlook is for portions of the Nebraska panhandle...east central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT There is a marginal to slight risk of isolated strong to potentially severe thunderstorms this afternoon and evening. Main hazards include strong, gusty winds over 60 mph and hail up to one inch in diameter. Heavy rain with ponding of water in urban areas is also possible. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY There is a marginal to slight risk of isolated strong to potentially severe thunderstorms on Wednesday. Main hazards include strong winds, hail, and heavy rain. Afternoon thunderstorm chances continue through Friday. .Spotter information statement... Spotter activation may be needed later this afternoon.
In the hours before
Special weather statement, Jul 5, 12:28 PM MDT, 2 hours 40 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
1228 PM MDT Tue Jul 5 2022
NEZ054-WYZ118-119-051900-
Kimball NE-Central Laramie County WY-East Laramie County WY-
1228 PM MDT Tue Jul 5 2022
...A strong thunderstorm will impact portions of southwestern Kimball
and southeastern Laramie Counties through 100 PM MDT...
At 1227 PM MDT, Doppler radar was tracking a strong thunderstorm near
Carpenter, or 22 miles east of Cheyenne, moving east at 20 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Pine Bluffs, Burns, Panorama Point and Carpenter.
This includes the following highways...
Interstate 80 in Wyoming between mile markers 381 and 402.
Interstate 80 in Nebraska between mile markers 1 and 4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4118 10445 4121 10397 4100 10401 4101 10449
TIME...MOT...LOC 1827Z 282DEG 17KT 4107 10437
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
WillsSpecial weather statement, Jul 5, 1:24 PM MDT, 1 hour 44 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
124 PM MDT Tue Jul 5 2022
NEZ002-003-052000-
Box Butte NE-Dawes NE-
124 PM MDT Tue Jul 5 2022
...A strong thunderstorm will impact portions of northeastern Box
Butte and southeastern Dawes Counties through 200 PM MDT...
At 124 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles northeast of Box Butte Dam, or 17 miles southwest of Hay
Springs, moving east at 25 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Box Butte Campground and Box Butte Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4243 10321 4265 10307 4266 10278 4245 10277
4244 10275 4228 10274
TIME...MOT...LOC 1924Z 280DEG 20KT 4254 10297
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
WillsSpecial weather statement, Jul 5, 1:44 PM MDT, 1 hour 24 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
144 PM MDT Tue Jul 5 2022
WYZ101-103-052030-
Converse County Lower Elevations WY-North Laramie Range WY-
144 PM MDT Tue Jul 5 2022
...A strong thunderstorm will impact portions of east central
Converse County through 230 PM MDT...
At 143 PM MDT, Doppler radar was tracking a strong thunderstorm near
Douglas, moving northeast at 20 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Douglas.
This includes Interstate 25 in Wyoming between mile markers 123 and
142.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4259 10544 4273 10551 4296 10517 4264 10498
TIME...MOT...LOC 1943Z 245DEG 19KT 4271 10541
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
WillsSpecial weather statement, Jul 5, 1:59 PM MDT, 1 hour 9 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
159 PM MDT Tue Jul 5 2022
NEZ002-003-052045-
Box Butte NE-Dawes NE-
159 PM MDT Tue Jul 5 2022
...A strong thunderstorm will impact portions of northeastern Box
Butte and southeastern Dawes Counties through 245 PM MDT...
At 159 PM MDT, Doppler radar was tracking a strong thunderstorm 12
miles east of Box Butte Dam, or 15 miles southwest of Hay Springs,
moving east at 35 mph.
HAZARD...Winds in excess of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This storm will remain over mainly rural areas of northeastern Box
Butte and southeastern Dawes Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4236 10301 4253 10303 4261 10278 4260 10277
4245 10277 4244 10275 4235 10275
TIME...MOT...LOC 1959Z 261DEG 28KT 4248 10284
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
WillsSpecial weather statement, Jul 5, 2:29 PM MDT, 39 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
229 PM MDT Tue Jul 5 2022
WYZ101-102-107-052115-
East Platte County WY-Converse County Lower Elevations WY-
Niobrara County WY-
229 PM MDT Tue Jul 5 2022
...A strong thunderstorm will impact portions of southwestern
Niobrara, northeastern Platte and east central Converse Counties
through 315 PM MDT...
At 228 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles northwest of Glendo, or 13 miles east of Douglas, moving east
at 30 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Keeline and Lost Springs.
This includes Interstate 25 in Wyoming between mile markers 115 and
129.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4264 10527 4278 10519 4281 10463 4243 10477
TIME...MOT...LOC 2028Z 287DEG 27KT 4268 10514
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
WillsThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 11:52 AM MDT | Areal Flood Advisory | CYS | Albany, Carbon | 3 hr |
| Jul 5, 12:28 PM MDT | Special Weather Statement | CYS | Laramie | 32 min |
| Jul 5, 1:44 PM MDT | Special Weather Statement | CYS | Converse | 46 min |
| Jul 5, 2:29 PM MDT | Special Weather Statement | CYS | Platte | 46 min |
| Jul 5, 2:37 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara, Platte | 38 min |
| Jul 5, 3:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 49 min |
| Jul 5, 3:57 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 48 min |
| Jul 5, 4:30 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| Jul 5, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 61 min |
| Jul 4, 6:12 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 16 min |
| Jul 5, 1:24 PM MDT | Special Weather Statement | CYS | Dawes | 36 min |
| Jul 5, 1:59 PM MDT | Special Weather Statement | CYS | Dawes | 46 min |
| Jul 5, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Kimball, Morrill | 38 min |
| Jul 5, 4:30 PM MDT | Special Weather Statement | CYS | Morrill | 30 min |
| Jul 5, 4:37 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 38 min |
| Jul 5, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 31 min |
| Jul 5, 5:13 PM MDT | Special Weather Statement | CYS | Cheyenne, Morrill | 47 min |
| Jul 5, 5:37 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 53 min |
| Jul 5, 5:56 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 64 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2022Every severe thunderstorm warning in 2022
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.