Alert archive / Wyoming / Tornado Warnings in 2018
Tornado Warning 15, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 19, 2018, 1:38 PM MDT for Albany County, Wyoming. It was in force for 37 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
- Jun 19, 2018, 1:38 PM MDT (19:38 UTC)
- Expired
- Jun 19, 2018, 2:15 PM MDT
- In force
- 37 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Albany County, WY
The radar
The Cheyenne radar (KCYS), 79 km from the middle of the area, began a volume at 19:39 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
Denver, CO (KDEN), launched 12:00Z, 7.6 hours before the alert went out and 274 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
- 30 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
228
WFUS55 KCYS 191938
TORCYS
WYC001-192015-
/O.NEW.KCYS.TO.W.0015.180619T1938Z-180619T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cheyenne WY
138 PM MDT TUE JUN 19 2018
The National Weather Service in Cheyenne has issued a
* Tornado Warning for...
East central Albany County in southeastern Wyoming...
* Until 215 PM MDT.
* At 137 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Bosler, or 22 miles north of Laramie, moving
southeast at 25 mph.
HAZARD...Tornado and quarter 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 dangerous storm will be near...
Baldy Peak around 200 PM MDT.
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 4158 10574 4174 10564 4160 10528 4144 10539
TIME...MOT...LOC 1937Z 296DEG 21KT 4163 10560
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Cox1 follow-up statement
204
WWUS55 KCYS 191954
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
154 PM MDT TUE JUN 19 2018
WYC001-192015-
/O.CON.KCYS.TO.W.0015.000000T0000Z-180619T2015Z/
Albany WY-
154 PM MDT TUE JUN 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM MDT FOR EAST
CENTRAL ALBANY COUNTY...
At 154 PM MDT, a severe thunderstorm capable of producing a tornado
was located over Baldy Peak, or 19 miles north of Laramie, moving
southeast at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
east central Albany County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4155 10566 4170 10556 4160 10528 4144 10539
TIME...MOT...LOC 1954Z 296DEG 21KT 4159 10548
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
CoxThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 6:33 PM MDT | Special Weather Statement | CYS | Goshen | 42 min |
| Jun 18, 6:44 PM MDT | Special Weather Statement | CYS | Converse | 46 min |
| Jun 18, 6:48 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 42 min |
| Jun 18, 7:30 PM MDT | Special Weather Statement | CYS | Laramie | 45 min |
| Jun 19, 4:20 AM MDT | Special Weather Statement | CYS | Niobrara | 40 min |
| Jun 19, 5:22 AM MDT | Special Weather Statement | CYS | 38 min | |
| Jun 19, 7:17 AM MDT | Special Weather Statement | CYS | 43 min | |
| Jun 19, 7:40 AM MDT | Special Weather Statement | CYS | Niobrara | 35 min |
| Jun 19, 7:44 AM MDT | Special Weather Statement | CYS | Converse | 46 min |
| Jun 19, 8:14 AM MDT | Special Weather Statement | CYS | Niobrara | 46 min |
| Jun 19, 8:27 AM MDT | Special Weather Statement | CYS | Converse | 48 min |
| Jun 19, 9:17 AM MDT | Special Weather Statement | CYS | Niobrara | 43 min |
| Jun 19, 11:42 AM MDT | Special Weather Statement | CYS | 48 min | |
| Jun 19, 12:00 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 45 min |
| Jun 19, 12:52 PM MDT | Special Weather Statement | CYS | Albany | 53 min |
| Jun 19, 12:58 PM MDT | Special Weather Statement | CYS | 47 min | |
| Jun 19, 1:03 PM MDT | Special Weather Statement | CYS | Laramie | 42 min |
| Jun 19, 1:10 PM MDT | Special Weather Statement | CYS | Platte | 50 min |
| Jun 19, 1:24 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 34 min |
| Jun 19, 2:01 PM MDT | Tornado Warning | CYS | Albany, Laramie, Platte | 44 min |
| Jun 19, 2:30 PM MDT | Tornado Warning | CYS | Platte | 17 min |
| Jun 19, 2:42 PM MDT | Tornado Warning | CYS | Goshen, Laramie, Platte | 48 min |
| Jun 19, 3:20 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 40 min |
| Jun 19, 3:29 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 61 min |
| Jun 19, 3:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 49 min |
| Jun 19, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jun 19, 4:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.