Alert archive / Nebraska / Tornado Warnings in 2005

Tornado Warning 4, NWS Cheyenne, WY

June 15, 2005Cheyenne County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 15, 2005, 3:47 PM MDT for Cheyenne County, Nebraska. It was in force for 14 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 15, 2005, 3:47 PM MDT (21:47 UTC)
Expired: Jun 15, 2005, 4:01 PM MDT
In force: 14 min
Issued by: NWS Cheyenne, WY
Area: Counties, with a storm outline in the text

County Cheyenne County, NE

The radar

The Cheyenne radar (KCYS), 133 km from the middle of the area, began a volume at 21:50 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.

What was reported inside it

Time	Report	Where	Remark
Jun 15, 3:50 PM MDT	TORNADO 0	3 N Potter, NE	NWS EMPLOYEE REPORTED

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

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 157 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: 15 J/kg
Mixed-layer CIN: -473 J/kg
Mixed-layer LCL: 1902 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS55 KCYS 152147
TORCYS
NEC033-152215-
/O.NEW.KCYS.TO.W.0004.050615T2147Z-050615T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
347 PM MDT WED JUN 15 2005

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 415 PM MDT

* AT 340 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  OVER WEST CENTRAL CHEYENNE COUNTY...OR ABOUT 19 MILES EAST OF
  KIMBALL...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL CENTRAL CHEYENNE COUNTY AT 400 PM MDT

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 4133 10334 4122 10333 4121 10307 4131 10306

$$

SOWKO

1 follow-up statement

000 
WWUS55 KCYS 152201
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
358 PM MDT WED JUN 15 2005

NEC033-152208-
/O.CAN.KCYS.TO.W.0004.000000T0000Z-050615T2215Z/
CHEYENNE NE-
358 PM MDT WED JUN 15 2005

...THE TORNADO WARNING FOR WEST CENTRAL CHEYENNE COUNTY IS
CANCELLED...

MOTORISTS ON INTERSTATE 80 ACCOUNTED FOR SEVERAL REPORTS OF A BRIEF 
TORNADO TOUCHDOWN NORTH OF THE INTERSTATE IN WEST CENTRAL CHEYENNE 
COUNTY...BUT THE FUNNEL CLOUD APPEARS TO HAVE DISSIPATED AT 4 
PM...THUS THE WARNING HAS BEEN CANCELLED.  

LAT...LON 4133 10334 4122 10333 4121 10307 4131 10306

$$

SOWKO

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 3:07 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Cheyenne, Kimball	25 min
Jun 15, 3:35 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne	21 min

Nearby

Tornado Warnings in Nebraska, 2005 Every tornado warning in 2005 Tornadoes in 2005

Sources

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.