Tornado Warning 9, NWS Cheyenne, WY

Issued

Jun 7, 2012, 5:16 PM MDT (23:16 UTC)

Expired

Jun 7, 2012, 6:00 PM MDT

In force

44 min

Issued by

NWS Cheyenne, WY

Area

Storm-based polygon

County Laramie County, WY

The Cheyenne radar (KCYS), 37 km from the middle of the area, began a volume at 23:18 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.

152 
WFUS55 KCYS 072316
TORCYS
WYC021-080000-
/O.NEW.KCYS.TO.W.0009.120607T2316Z-120608T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
516 PM MDT THU JUN 7 2012

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL LARAMIE COUNTY IN SOUTHEAST WYOMING...

* UNTIL 600 PM MDT

* AT 513 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WHITAKER...OR 22 MILES NORTH OF             
  CHEYENNE...  AND MOVING SOUTHEAST AT 10 MPH. IN ADDITION TO THE    
  POTENTIAL TORNADO...THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE  
  DESTRUCTIVE HAIL OF UP TO BASEBALL SIZE AND TORRENTIAL RAINFALL.

* LOCATIONS IMPACTED INCLUDE...
  WHITAKER.

THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 26 AND
41.

THIS WARNING REPLACES THE PREVIOUSLY ISSUED TORNADO WARNING FOR THE 
SAME AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4154 10456 4141 10464 4134 10487 4151 10498
      4158 10494
TIME...MOT...LOC 2315Z 310DEG 8KT 4146 10484

$$

HAMMER

678 
WWUS55 KCYS 072335
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
535 PM MDT THU JUN 7 2012

WYC021-080000-
/O.CON.KCYS.TO.W.0009.000000T0000Z-120608T0000Z/
LARAMIE WY-
535 PM MDT THU JUN 7 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL LARAMIE
COUNTY UNTIL 600 PM MDT...

AT 532 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM WITH A HISTORY OF PRODUCING TORNADOES. THIS 
DANGEROUS STORM WAS LOCATED 6 MILES NORTHEAST OF WHITAKER...OR 21 
MILES NORTH OF CHEYENNE...MOVING SOUTHEAST AT 10 MPH. THIS STORM IS 
ALSO CAPABLE OF PRODUCING LARGE DESTRUCTIVE HAIL OF UP TO BASEBALL 
SIZE AND TORRENTIAL RAINFALL. 

AT 528 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO ABOUT 8 
MILES EAST NORTHEAST OF WHITAKER. THE TORNADO HAD SINCE 
DISSIPATED...BUT ADDITIONAL TORNADOES MAY FORM AT ANY TIME. 

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL LARAMIE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4156 10479 4154 10456 4141 10464 4134 10487
      4148 10496
TIME...MOT...LOC 2333Z 310DEG 8KT 4144 10476

$$

HAMMER

Tornado Warnings in Wyoming, 2012Every tornado warning in 2012Tornadoes in 2012

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.