Tornado Warning 9, NWS Cheyenne, WY

Issued

Jun 12, 2017, 4:34 PM MDT (22:34 UTC)

Expired

Jun 12, 2017, 5:15 PM MDT

In force

41 min

Issued by

NWS Cheyenne, WY

Area

Storm-based polygon

Tornado

Radar indicated

Hail

1.75 in

County Laramie County, WY

The Cheyenne radar (KCYS), 27 km from the middle of the area, began a volume at 22:35 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.

264 
WFUS55 KCYS 122234
TORCYS
WYC021-122315-
/O.NEW.KCYS.TO.W.0009.170612T2234Z-170612T2315Z/

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

The National Weather Service in Cheyenne has issued a

* Tornado Warning for...
  Southeastern Laramie County in southeastern Wyoming...

* Until 515 PM MDT
    
* At 434 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles west of Carpenter, or 17 miles southeast of
  Cheyenne, moving north at 15 mph.

  HAZARD...Tornado and golf ball 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
  southeastern Laramie County.

This includes Interstate 80 in Wyoming between mile markers 376 and
386.

This does not include the city of Cheyenne. 

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.

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 4118 10456 4115 10427 4100 10439 4100 10460
      4101 10461
TIME...MOT...LOC 2234Z 200DEG 15KT 4100 10452 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Hammer

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.