Tornado Warning 6, NWS Cheyenne, WY

Issued

Jun 12, 2017, 3:52 PM MDT (21:52 UTC)

Expired

Jun 12, 2017, 4:15 PM MDT

In force

23 min

Issued by

NWS Cheyenne, WY

Area

Storm-based polygon

Tornado

Radar indicated

Hail

2.75 in

Counties Goshen County, WY, Platte County, WY

The Cheyenne radar (KCYS), 111 km from the middle of the area, began a volume at 21:55 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

195 
WFUS55 KCYS 122152
TORCYS
WYC015-031-122215-
/O.NEW.KCYS.TO.W.0006.170612T2152Z-170612T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cheyenne WY
352 PM MDT MON JUN 12 2017

The National Weather Service in Cheyenne has issued a

* Tornado Warning for...
  West central Goshen County in southeastern Wyoming...
  East central Platte County in southeastern Wyoming...

* Until 415 PM MDT
    
* At 352 PM MDT, a severe thunderstorm capable of producing a tornado
  was located over Grayrocks Reservoir, or 14 miles east of
  Wheatland, moving northeast at 20 mph.

  HAZARD...Tornado and baseball 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...
  Fort Laramie and Fort Laramie National Historic Site around 415 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 4202 10467 4213 10481 4237 10456 4217 10433
TIME...MOT...LOC 2152Z 229DEG 17KT 4212 10470 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

Levin

500 
WWUS55 KCYS 122158
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
358 PM MDT MON JUN 12 2017

WYC015-031-122215-
/O.CON.KCYS.TO.W.0006.000000T0000Z-170612T2215Z/
Goshen WY-Platte WY-
358 PM MDT MON JUN 12 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR WEST
CENTRAL GOSHEN AND EAST CENTRAL PLATTE COUNTIES...
    
At 356 PM MDT, a confirmed tornado was located over Deer Creek Road 
along the Goshen and Platte County line, or 15 miles east of 
Wheatland, moving northeast at 20 mph.

HAZARD...Damaging tornado and baseball size hail. 

SOURCE...Law enforcement 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...
  Fort Laramie and Fort Laramie National Historic Site around 415 PM 
  MDT. 

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 4203 10466 4213 10481 4237 10456 4217 10433
TIME...MOT...LOC 2156Z 229DEG 17KT 4213 10468 

TORNADO...OBSERVED
HAIL...2.75IN

$$

Levin

Tornado Warnings in Wyoming, 2017Every tornado warning in 2017Tornadoes in 2017

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.