Tornado Warning 5, NWS Cheyenne, WY

Issued

Jun 12, 2017, 3:26 PM MDT (21:26 UTC)

Expired

Jun 12, 2017, 4:00 PM MDT

In force

34 min

Issued by

NWS Cheyenne, WY

Area

Storm-based polygon

Tornado

Radar indicated

Hail

4.0 in

Counties Goshen County, WY, Platte County, WY

The Cheyenne radar (KCYS), 103 km from the middle of the area, began a volume at 21:28 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.

859 
WFUS55 KCYS 122126
TORCYS
WYC015-031-122200-
/O.NEW.KCYS.TO.W.0005.170612T2126Z-170612T2200Z/

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

The National Weather Service in Cheyenne has issued a

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

* Until 400 PM MDT
    
* At 326 PM MDT, a severe thunderstorm capable of producing a tornado
  was located over Chugcreek, or near Wheatland, moving northeast at
  15 mph.

  HAZARD...Tornado and softball 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...
  Grayrocks Reservoir around 400 PM MDT. 

This includes Interstate 25 in Wyoming between mile markers 77 and
82.
 
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 4196 10483 4204 10501 4229 10486 4214 10456
TIME...MOT...LOC 2126Z 214DEG 14KT 4204 10488 

TORNADO...RADAR INDICATED
HAIL...4.00IN

$$

Levin

378 
WWUS55 KCYS 122142
SVSCYS

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

WYC015-031-122200-
/O.CON.KCYS.TO.W.0005.000000T0000Z-170612T2200Z/
Goshen WY-Platte WY-
342 PM MDT MON JUN 12 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM MDT FOR WESTERN
GOSHEN AND EAST CENTRAL PLATTE COUNTIES...
    
At 342 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Chugcreek, or 7 miles northeast of Wheatland, moving
northeast at 15 mph.

HAZARD...Tornado and softball 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...
  Grayrocks Reservoir around 400 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 4201 10476 4208 10491 4229 10486 4214 10456
TIME...MOT...LOC 2142Z 214DEG 14KT 4209 10483 

TORNADO...RADAR INDICATED
HAIL...4.00IN

$$

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.