Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 13, NWS Cheyenne, WY

May 23, 2003Dawes County, Nebraska

NWS Cheyenne, WY issued this tornado warning at May 23, 2003, 5:25 PM MDT for Dawes County, Nebraska. It was in force for 30 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: May 23, 2003, 5:25 PM MDT (23:25 UTC)
Expired: May 23, 2003, 5:55 PM MDT
In force: 30 min
Issued by: NWS Cheyenne, WY
Area: Counties, with a storm outline in the text

County Dawes County, NE

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 11.4 hours before the alert went out and 132 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1422 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 130 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 232325
TORCYS
NEC045-240000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
524 PM MDT FRI MAY 23 2003

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN DAWES COUNTY IN THE PANHANDLE OF NEBRASKA
  INCLUDING THE CITY OF CHADRON

* UNTIL 555 PM MDT

* AT 524 PM MDT...LAW ENFORCEMENT PERSONNEL REPORTED A TORNADO ABOUT
  10 MILES TO THE NORTH OF CHADRON.  THE SEVERE STORM PRODUCING THE
  TORNADO WAS MOVING SOUTH AT 25 MPH.  

THIS TORNADO WARNING REPLACES THE PREVIOUSLY ISSUED SEVERE THUNDERSTORM
WARNING FOR NORTHEAST DAWES 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.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4299 10307 4276 10297 4270 10278 4299 10283

WEILAND

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 4:00 PM MDT	Severe Thunderstorm Warning	CYS	Dawes, Sioux	30 min
May 23, 4:57 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte	33 min
May 23, 5:01 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	44 min
May 23, 5:30 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Sioux	30 min
May 23, 5:59 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte	31 min

Nearby

Tornado Warnings in Nebraska, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.