Alert archive / Wyoming / Tornado Warnings in 2018
Tornado Warning 13, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 6, 2018, 6:08 PM MDT for Albany County, Wyoming. It was in force for 22 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 6, 2018, 6:08 PM MDT (00:08 UTC)
- Expired
- Jun 6, 2018, 6:30 PM MDT
- In force
- 22 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
County Albany County, WY
The radar
The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 00:08 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 6, 6:37 PM MDT | TORNADO | 10 Nne Laramie, WY | CORRECTED FOR LOCATION. RECEIVED VIA FACEBOOK PHOTO OF TORNADO ROPING OUT AND LIFTING. |
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 |
|---|---|---|---|
| Jun 6, 4:46 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.1 hours before the alert went out and 259 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
- 1161 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 3403 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted.
267
WFUS55 KCYS 070008
TORCYS
WYC001-070030-
/O.NEW.KCYS.TO.W.0013.180607T0008Z-180607T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cheyenne WY
608 PM MDT WED JUN 6 2018
The National Weather Service in Cheyenne has issued a
* Tornado Warning for...
East central Albany County in southeastern Wyoming...
This does not include the city of Laramie.
* Until 630 PM MDT
* At 607 PM MDT, a confirmed tornado was located 7 miles south of
Baldy Peak, or 9 miles north of Laramie, moving east at 15 mph.
HAZARD...Damaging tornado.
SOURCE...Emergency Management 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 tornadic thunderstorm will remain over mainly rural areas of
east central Albany County.
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.
&&
LAT...LON 4140 10567 4156 10555 4147 10528 4130 10538
TIME...MOT...LOC 0007Z 279DEG 12KT 4145 10553
TORNADO...OBSERVED
HAIL...<.75IN
$$
**AB**1 follow-up statement
474
WWUS55 KCYS 070021
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
621 PM MDT WED JUN 6 2018
WYC001-070030-
/O.CON.KCYS.TO.W.0013.000000T0000Z-180607T0030Z/
Albany WY-
621 PM MDT WED JUN 6 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR EAST
CENTRAL ALBANY COUNTY...
At 620 PM MDT, a confirmed tornado was located 7 miles south of
Baldy Peak, or 10 miles northeast of Laramie, moving east at 15 mph.
This does not include the city of Laramie.
HAZARD...Damaging tornado.
SOURCE...Emergency management confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
east central Albany County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4142 10558 4153 10550 4147 10528 4130 10538
4135 10553
TIME...MOT...LOC 0020Z 279DEG 12KT 4144 10547
TORNADO...OBSERVED
HAIL...<.75IN
$$
**AB**The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 6:29 PM MDT | Tornado Warning | CYS | Albany, Laramie | 31 min |
| Jun 6, 6:58 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 47 min |
| Jun 6, 7:16 PM MDT | Special Weather Statement | CYS | Laramie | 29 min |
| Jun 6, 7:29 PM MDT | Special Weather Statement | CYS | Laramie | 46 min |
| Jun 6, 8:16 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 29 min |
| Jun 6, 8:39 PM MDT | Areal Flood Advisory | CYS | Laramie | 3 hr |
| Jun 6, 8:53 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jun 7, 3:49 PM MDT | Special Weather Statement | CYS | Converse | 41 min |
| Jun 7, 4:14 PM MDT | Special Weather Statement | CYS | Goshen | 46 min |
| Jun 7, 4:36 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 39 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.