Alert archive / Wyoming / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 45, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 10, 2024, 3:35 PM MDT for Laramie County, Wyoming. It was in force for 40 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
- Jun 10, 2024, 3:35 PM MDT (21:35 UTC)
- Expired
- Jun 10, 2024, 4:15 PM MDT
- In force
- 40 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Laramie County, WY
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 10, 12:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 9.6 hours before the alert went out and 341 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
- 8 J/kg
- Mixed-layer CIN
- -368 J/kg
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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 Jun 10, 3:17 PM MDT, 18 minutes earlier.
Area forecast discussion, Jun 10, 3:17 PM MDT, 18 minutes before
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Special weather statement, Jun 10, 12:56 PM MDT, 2 hours 39 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
1256 PM MDT Mon Jun 10 2024
WYZ106>108-101930-
East Platte County WY-
Central Laramie Range and Southwest Platte County WY-
Goshen County WY-
1256 PM MDT Mon Jun 10 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN GOSHEN AND
SOUTHEASTERN PLATTE COUNTIES THROUGH 130 PM MDT...
At 1254 PM MDT, Doppler radar was tracking a strong thunderstorm
capable of producing small hail and gusty outflow winds 17 miles
south of Wheatland near Chugwater, moving east at 15 mph.
HAZARD...Wind gusts up to 40 mph, penny size hail and a weak
landspout may be possible with this storm.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds
could knock down tree limbs and blow around unsecured
objects.
Locations impacted include...
Chugwater and Slater.
This includes Interstate 25 in Wyoming between mile markers 51 and
66.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
southeastern Wyoming.
&&
LAT...LON 4173 10502 4187 10497 4194 10460 4180 10453
4167 10461
TIME...MOT...LOC 1854Z 269DEG 15KT 4181 10489
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
CharnickSpecial weather statement, Jun 10, 1:13 PM MDT, 2 hours 22 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
113 PM MDT Mon Jun 10 2024
WYZ102-102000-
Niobrara County WY-
113 PM MDT Mon Jun 10 2024
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN NIOBRARA COUNTY
THROUGH 200 PM MDT...
At 113 PM MDT, Doppler radar was tracking a strong thunderstorm 16
miles southeast of Dull Center, or 37 miles north of Lusk, moving
east at 25 mph.
HAZARD...Wind gusts up to 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This storm will remain over mainly rural areas of northwestern
Niobrara County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
east central Wyoming.
&&
LAT...LON 4325 10480 4334 10476 4333 10433 4322 10432
4313 10439
TIME...MOT...LOC 1913Z 280DEG 22KT 4328 10470
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
CharnickSpecial weather statement, Jun 10, 1:35 PM MDT, 2 hours before
Special Weather Statement
National Weather Service Cheyenne WY
135 PM MDT Mon Jun 10 2024
WYZ107-108-117>119-102000-
East Platte County WY-Goshen County WY-Central Laramie County WY-
South Laramie Range Foothills WY-East Laramie County WY-
135 PM MDT Mon Jun 10 2024
...STRONG THUNDERSTORMS WILL IMPACT SOUTHERN GOSHEN...NORTH CENTRAL
LARAMIE AND SOUTHEASTERN PLATTE COUNTIES THROUGH 200 PM MDT...
At 134 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles south of Veteran to 12 miles southeast
of Chugwater to 9 miles northeast of Whitaker to 6 miles north of
North Cheyenne. Movement was east at 20 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Yoder, Whitaker, Huntley, Hawk Springs State Recreation Area, Hawk
Springs, and Hawk Springs Reservoir.
This includes Interstate 25 in Wyoming between mile markers 20 and
32.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
the Panhandle of Nebraska...and southeastern Wyoming.
&&
LAT...LON 4128 10496 4152 10484 4168 10474 4193 10450
4194 10405 4190 10405 4148 10437 4125 10447
TIME...MOT...LOC 1934Z 273DEG 19KT 4187 10443 4167 10461 4150 10472
4130 10483
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
CharnickSpecial weather statement, Jun 10, 2:05 PM MDT, 1 hour 30 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
205 PM MDT Mon Jun 10 2024
WYZ108-118-119-102030-
Goshen County WY-Central Laramie County WY-East Laramie County WY-
205 PM MDT Mon Jun 10 2024
...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN GOSHEN AND
NORTHEASTERN LARAMIE COUNTIES THROUGH 230 PM MDT...
At 205 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Hawk Springs to 6 miles northwest of
Meriden Rest Area to 8 miles northwest of Gun Barrel. Movement was
east at 25 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
La Grange, Hawk Springs Reservoir, Meriden Rest Area, Hawk Springs
State Recreation Area, Hawk Springs, Wycross, and Hawk Springs
Campground.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
These storms 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.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
the Panhandle of Nebraska...and southeastern Wyoming.
&&
LAT...LON 4148 10458 4161 10447 4179 10445 4186 10406
4156 10405 4143 10414
TIME...MOT...LOC 2005Z 259DEG 23KT 4178 10436 4162 10439 4150 10448
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
CharnickLocal storm report, Jun 10, 2:44 PM MDT, 51 minutes before
Preliminary Local Storm Report
National Weather Service Cheyenne WY
244 PM MDT Mon Jun 10 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0235 PM Tstm Wnd Gst 13 NW Story 43.08N 104.08W
06/10/2024 E75 mph Niobrara WY Trained Spotter
Gusts estimated to be between 70-80 mph
&&
Event Number CYS2400007
kmdSpecial weather statement, Jun 10, 3:11 PM MDT, 24 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 7:24 PM MDT | Special Weather Statement | CYS | 36 min | |
| Jun 9, 8:13 PM MDT | Special Weather Statement | CYS | Albany | 47 min |
| Jun 9, 8:20 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 40 min |
| Jun 9, 8:54 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 40 min |
| Jun 10, 12:11 AM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 9 hr |
| Jun 10, 12:56 PM MDT | Special Weather Statement | CYS | Platte | 34 min |
| Jun 10, 1:13 PM MDT | Special Weather Statement | CYS | Niobrara | 47 min |
| Jun 10, 1:19 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 41 min |
| Jun 10, 1:35 PM MDT | Special Weather Statement | CYS | Laramie | 25 min |
| Jun 10, 2:01 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 44 min |
| Jun 10, 2:05 PM MDT | Special Weather Statement | CYS | Laramie | 25 min |
| Jun 10, 2:20 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 40 min |
| Jun 10, 2:39 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 51 min |
| Jun 10, 2:49 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 41 min |
| Jun 10, 3:11 PM MDT | Special Weather Statement | CYS | Laramie | 34 min |
| Jun 10, 3:45 PM MDT | Special Weather Statement | CYS | Albany | 45 min |
| Jun 10, 4:48 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 42 min |
| Jun 10, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 77 min |
| Jun 10, 4:33 PM MDT | Special Weather Statement | CYS | Dawes | 27 min |
| Jun 10, 4:45 PM MDT | Special Weather Statement | CYS | Kimball | 45 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2024Every severe thunderstorm warning in 2024
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.