Alert archive / Wyoming / Special Weather Statements in 2025
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at Aug 24, 2025, 1:08 AM MDT for Goshen County, Wyoming. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 24, 2025, 1:08 AM MDT (07:08 UTC)
- Expired
- Aug 24, 2025, 2:00 AM MDT
- In force
- 52 min
- Issued by
- NWS Cheyenne, WY
- Hail
- 0.88 in
- Wind
- 55
County Goshen County, WY
The radar
The Cheyenne radar (KCYS), 124 km from the middle of the area, began a volume at 07:10 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 00:00Z, 7.1 hours before the alert went out and 243 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2019 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
047
WWUS85 KCYS 240708
SPSCYS
Special Weather Statement
National Weather Service Cheyenne WY
108 AM MDT Sun Aug 24 2025
WYZ107-108-240800-
East Platte County WY-Goshen County WY-
108 AM MDT Sun Aug 24 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHERN GOSHEN AND EAST CENTRAL
PLATTE COUNTIES THROUGH 200 AM MDT...
At 108 AM MDT, Doppler radar was tracking a strong thunderstorm near
Hartville, or 24 miles northeast of Wheatland, moving south at 15
mph.
HAZARD...Wind gusts of 50 to 55 mph and nickel 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...
Guernsey, Lingle, Fort Laramie, Pine Ridge Estates, Fort Laramie
National Historic Site, Grayrocks Reservoir, Register Cliff State
Historic Site, and Hwy 85 At Dry Rawhide Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4235 10470 4238 10434 4210 10414 4207 10479
TIME...MOT...LOC 0708Z 342DEG 14KT 4231 10462
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH
$$
RubinThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 12:10 AM MDT | Special Weather Statement | CYS | Goshen | 65 min |
| Aug 24, 12:31 AM MDT | Special Weather Statement | CYS | Goshen | 44 min |
| Aug 24, 7:16 AM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 4 hr |
| Aug 23, 9:48 PM MDT | Special Weather Statement | CYS | Cheyenne | 27 min |
| Aug 24, 12:46 AM MDT | Special Weather Statement | CYS | Sioux | 59 min |
| Aug 24, 1:10 AM MDT | Special Weather Statement | CYS | Sioux | 50 min |
| Aug 24, 1:35 AM MDT | Special Weather Statement | CYS | Scotts Bluff | 25 min |
| Aug 24, 1:43 AM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 32 min |
| Aug 24, 2:11 AM MDT | Special Weather Statement | CYS | Sioux | 34 min |
| Aug 24, 3:01 AM MDT | Special Weather Statement | CYS | Box Butte | 29 min |
Nearby
Special Weather Statements in Wyoming, 2025Every special weather statement in 2025
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.