Alert archive / Wyoming / Tornado Warnings in 2025
Tornado Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 12, 2025, 2:50 PM MDT for Laramie County, Wyoming. It was in force for 15 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 12, 2025, 2:50 PM MDT (20:50 UTC)
- Expired
- Jun 12, 2025, 3:05 PM MDT
- In force
- 15 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 30 km from the middle of the area, began a volume at 20:53 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 2:51 PM MDT | TORNADO | 12 Nw Hillsdale, WY | Photos from storm spotter show damage consistent with a short-lived EF-1 tornado. Damage to fencing, tree limbs down, and a flipped and lofted cattle trailer were sent to the NWS. Time estimated from radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 8.8 hours before the alert went out and 368 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
- 6 J/kg
- Mixed-layer CIN
- -418 J/kg
- Mixed-layer LCL
- 1482 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
815
WFUS55 KCYS 122050
TORCYS
WYC021-122115-
/O.NEW.KCYS.TO.W.0002.250612T2050Z-250612T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cheyenne WY
250 PM MDT Thu Jun 12 2025
The National Weather Service in Cheyenne has issued a
* Tornado Warning for...
Central Laramie County in southeastern Wyoming...
* Until 315 PM MDT.
* At 249 PM MDT, a severe thunderstorm capable of producing a tornado
was located 12 miles northeast of Ranchettes, or 16 miles northeast
of Cheyenne, moving east at 20 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic thunderstorm will remain over mainly rural areas of
central Laramie County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4131 10464 4138 10468 4146 10449 4132 10441
TIME...MOT...LOC 2049Z 255DEG 17KT 4135 10462
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
Fuller1 follow-up statement
288 WWUS55 KCYS 122105 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 305 PM MDT Thu Jun 12 2025 WYC021-122114- /O.CAN.KCYS.TO.W.0002.000000T0000Z-250612T2115Z/ Laramie WY- 305 PM MDT Thu Jun 12 2025 ...THE TORNADO WARNING FOR CENTRAL LARAMIE COUNTY IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning has been cancelled. However, hail, gusty winds and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for southeastern Wyoming. && LAT...LON 4131 10464 4138 10468 4146 10449 4132 10441 TIME...MOT...LOC 2103Z 255DEG 17KT 4137 10452 $$ Fuller
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 6:00 PM MDT | Special Weather Statement | CYS | Albany | 30 min |
| Jun 11, 6:01 PM MDT | Special Weather Statement | CYS | Converse | 44 min |
| Jun 11, 6:45 PM MDT | Special Weather Statement | CYS | Converse | 45 min |
| Jun 12, 2:13 PM MDT | Special Weather Statement | CYS | Albany | 32 min |
| Jun 12, 2:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 45 min |
| Jun 12, 2:38 PM MDT | Special Weather Statement | CYS | Laramie | 22 min |
| Jun 12, 2:55 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 50 min |
| Jun 12, 3:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 42 min |
| Jun 12, 3:06 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 39 min |
| Jun 12, 3:31 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 44 min |
| Jun 12, 3:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 40 min |
| Jun 12, 3:49 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 41 min |
| Jun 12, 4:12 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| Jun 12, 4:22 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 38 min |
| Jun 12, 4:47 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 43 min |
| Jun 12, 5:04 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 41 min |
| Jun 12, 5:42 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 48 min |
| Jun 12, 5:46 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 44 min |
Nearby
Tornado Warnings in Wyoming, 2025Every tornado warning in 2025Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.