Alert archive / Wyoming / Tornado Warnings in 2018
Tornado Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at May 27, 2018, 2:43 PM MDT for Albany County, Laramie County, Wyoming. It was in force for 32 min. 7 reports 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
- May 27, 2018, 2:43 PM MDT (20:43 UTC)
- Expired
- May 27, 2018, 3:15 PM MDT
- In force
- 32 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 2.0 in
Counties Albany County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 39 km from the middle of the area, began a volume at 20:44 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 |
|---|---|---|---|
| May 27, 2:55 PM MDT | FUNNEL CLOUD | 18 Wnw Cheyenne, WY | REPORTED NORTH OF CURT GOWDY STATE PARK MOVING TO THE NE SLOWLY |
| May 27, 2:56 PM MDT | TORNADO | 7 N Buford, WY | TORNADO SPOTTED NORTH OF HIGHWAY 210. ESTIMATED 2 OR 3 MILES NORTH OF CURT GOWDY STATE PARK. |
| May 27, 3:10 PM MDT | TORNADO | 3 Nw Federal, WY | LARGE TORNADO REPORTED JUST NORTHWEST OF FEDERAL. |
| May 27, 3:11 PM MDT | TORNADO | 3 Ne Federal, WY | |
| May 27, 3:16 PM MDT | HAIL 1.75 | 10 Se Laramie, WY | LARGE HAIL CAUSED DAMAGE TO CARS AND TRAILERS IN THE POLE MTN AREA. |
| May 27, 3:20 PM MDT | HAIL 1.75 | 1 N Federal, WY | |
| May 27, 3:20 PM MDT | TORNADO | N Federal, WY | AN EF2 TORNADO TOUCHED DOWN A HALF MILE NORTH OF FEDERAL. SIGNIFICANT DAMAGE WAS OBSERVED NEAR FEDERAL WHERE EIGHT STRUCTURES WERE IMPACTED ALONG MOUNTAIN SHADOW DRIVE AND MOUNTAIN SHADOW LANE. THE TORNADO MOVED SLOWLY TO THE SOUTH FOR A MILE BEFORE IT LIFTED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 27, 12:05 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 8.7 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4365 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
388
WFUS55 KCYS 272043
TORCYS
WYC001-021-272115-
/O.NEW.KCYS.TO.W.0003.180527T2043Z-180527T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cheyenne WY
243 PM MDT SUN MAY 27 2018
The National Weather Service in Cheyenne has issued a
* Tornado Warning for...
Southeastern Albany County in southeastern Wyoming...
West central Laramie County in southeastern Wyoming...
* Until 315 PM MDT
* At 242 PM MDT, a confirmed tornado was located over North Crow
Campground, or 13 miles east of Laramie, moving northeast at 20
mph.
HAZARD...Damaging tornado and hail up to two inches in diameter.
SOURCE...Weather spotters confirmed tornado.
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.
* The tornado will be near...
Horse Creek and Federal around 315 PM MDT.
This includes the following highways...
Interstate 25 in Wyoming between mile markers 19 and 22.
Interstate 80 in Wyoming between mile markers 321 and 329, and
between mile markers 331 and 334.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Cheyenne.
&&
LAT...LON 4112 10533 4121 10550 4155 10528 4127 10479
TIME...MOT...LOC 2042Z 227DEG 17KT 4124 10533
TORNADO...OBSERVED
HAIL...2.00IN
$$
Claycomb1 follow-up statement
612
WWUS55 KCYS 272058
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
258 PM MDT SUN MAY 27 2018
WYC001-021-272115-
/O.CON.KCYS.TO.W.0003.000000T0000Z-180527T2115Z/
Albany WY-Laramie WY-
258 PM MDT SUN MAY 27 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR EAST
CENTRAL ALBANY AND WEST CENTRAL LARAMIE COUNTIES...
At 256 PM MDT, a confirmed tornado was located near North Crow
Campground, or 18 miles east of Laramie, moving northeast at 15 mph.
Numerous reports of brief tornado touchdowns and funnel clouds
continue for the warned area.
HAZARD...Damaging tornado and two inch hail.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Federal and Horse Creek around 315 PM MDT.
This includes Interstate 25 in Wyoming between mile markers 19 and
22.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4116 10522 4124 10543 4155 10528 4127 10479
TIME...MOT...LOC 2056Z 233DEG 17KT 4127 10523
TORNADO...OBSERVED
HAIL...2.00IN
$$
ClaycombThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 6:48 PM MDT | Special Weather Statement | CYS | 42 min | |
| May 26, 7:37 PM MDT | Special Weather Statement | CYS | Carbon | 38 min |
| May 26, 9:05 PM MDT | Special Weather Statement | CYS | Converse | 40 min |
| May 27, 2:58 AM MDT | Flash Flood Watch | CYS | Albany, Converse, Goshen, Laramie, Niobrara, Platte | 21 hr |
| May 27, 12:59 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 23 min |
| May 27, 2:15 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 31 min |
| May 27, 2:56 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 30 min |
| May 27, 3:08 PM MDT | Tornado Warning | CYS | Albany, Laramie | 8 min |
| May 27, 3:18 PM MDT | Special Weather Statement | CYS | 42 min | |
| May 27, 3:21 PM MDT | Tornado Warning | CYS | Laramie | 24 min |
| May 27, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 47 min |
| May 27, 3:33 PM MDT | Special Weather Statement | CYS | Albany | 42 min |
| May 27, 3:41 PM MDT | Special Weather Statement | CYS | 49 min | |
| May 27, 3:42 PM MDT | Tornado Warning | CYS | Laramie | 48 min |
| May 27, 3:48 PM MDT | Areal Flood Advisory | CYS | Albany, Laramie | 3 hr |
| May 27, 4:05 PM MDT | Tornado Warning | CYS | Albany, Converse, Platte | 40 min |
| May 27, 4:08 PM MDT | Special Weather Statement | CYS | Laramie | 52 min |
| May 27, 4:15 PM MDT | Tornado Warning | CYS | Goshen, Laramie, Platte | 45 min |
| May 27, 4:17 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 43 min |
| May 27, 4:29 PM MDT | Tornado Warning | CYS | Albany, Converse, Platte | 20 min |
| May 27, 4:32 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 29 min |
| May 27, 4:42 PM MDT | Areal Flood Advisory | CYS | Albany, Converse, Platte | 3 hr |
| May 27, 4:47 PM MDT | Flash Flood Warning | CYS | Albany, Laramie | 3 hr |
| May 27, 5:00 PM MDT | Tornado Warning | CYS | Laramie | 19 min |
| May 27, 5:12 PM MDT | Special Weather Statement | CYS | Converse | 48 min |
| May 27, 5:13 PM MDT | Special Weather Statement | CYS | Platte | 47 min |
| May 27, 5:42 PM MDT | Special Weather Statement | CYS | Platte | 48 min |
Nearby
Tornado Warnings in Wyoming, 2018Every tornado warning in 2018Tornadoes in 2018
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.