Alert archive / Wyoming / Tornado Warnings in 2004

Tornado Warning 2, NWS Billings, MT

June 10, 2004Sheridan County, Wyoming; Big Horn County, Montana

NWS Billings, MT issued this tornado warning at Jun 10, 2004, 3:34 PM MDT for Sheridan County, Wyoming; Big Horn County, Montana. It was in force for 26 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 10, 2004, 3:34 PM MDT (21:34 UTC)
Expired: Jun 10, 2004, 4:00 PM MDT
In force: 26 min
Issued by: NWS Billings, MT
Area: Counties, with a storm outline in the text

Counties Big Horn County, MT, Sheridan County, WY

The radar

The Billings radar (KBLX), 144 km from the middle of the area, began a volume at 21:33 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

Riverton, WY (KRIW), launched 12:00Z, 9.6 hours before the alert went out and 226 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 830 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1271 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WFUS55 KBYZ 102131
TORBYZ
MTC003-WYC033-102130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BILLINGS MT
330 PM MDT THU JUN 10 2004

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL SHERIDAN COUNTY IN NORTH CENTRAL WYOMING
  SOUTH CENTRAL BIG HORN COUNTY IN SOUTH CENTRAL MONTANA

* UNTIL 330 PM MDT

* AT 324 PM MDT...A TORNADO WAS REPORTED NEAR RANCHESTER MOVING 
NORTH AROUND 10 MPH. 

* THE TORNADO WILL REMAIN IN RURAL NORTHERN SHERIDAN COUNTY

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4475 10728 4484 10705 4524 10728 4511 10762

$$

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 3:17 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	58 min
Jun 10, 3:30 PM MDT	Tornado Warning	BYZ	Sheridan	24 hr
Jun 10, 4:01 PM MDT	Tornado Warning	BYZ	Sheridan	29 min
Jun 10, 4:05 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	55 min
Jun 10, 4:11 PM MDT	Tornado Warning	BYZ	Big Horn	34 min
Jun 10, 4:40 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	65 min
Jun 10, 5:11 PM MDT	Tornado Warning	BYZ	Big Horn	49 min
Jun 10, 5:28 PM MDT	Severe Thunderstorm Warning	BYZ	Carbon	62 min
Jun 10, 5:48 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	87 min

Nearby

Tornado Warnings in Wyoming, 2004 Tornado Warnings in Montana, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.