Alert archive / Nebraska / Tornado Warnings in 2003

Tornado Warning 6, NWS Cheyenne, WY

May 3, 2003Morrill County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this tornado warning at May 3, 2003, 3:47 PM MDT for Morrill County, Scotts Bluff County, Nebraska. It was in force for 28 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 3, 2003, 3:47 PM MDT (21:47 UTC)
Expired: May 3, 2003, 4:15 PM MDT
In force: 28 min
Issued by: NWS Cheyenne, WY
Area: Counties, with a storm outline in the text

Counties Morrill County, NE, Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 145 km from the middle of the area, began a volume at 21:49 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

Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 227 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: 2281 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 137 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.

284 
WFUS55 KCYS 032147
TORCYS
NEC123-157-032215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
346 PM MDT SAT MAY 3 2003

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN MORRILL COUNTY IN THE PANHANDLE OF NEBRASKA
  NORTHEASTERN SCOTTS BLUFF COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 415 PM MDT

* AT 345 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 7 MILES NORTHEAST OF
  MINATARE...OR ABOUT 13 MILES EAST OF SCOTTSBLUFF...MOVING EAST AT
  15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE ANGORA

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 4198 10361 4180 10359 4179 10306 4200 10309

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 3:11 PM MDT	Severe Thunderstorm Warning	CYS	Scotts Bluff, Sioux	34 min
May 3, 4:14 PM MDT	Tornado Warning	CYS	Morrill	31 min
May 3, 4:46 PM MDT	Tornado Warning	CYS	Morrill	29 min
May 3, 5:13 PM MDT	Tornado Warning	CYS	Morrill	32 min
May 3, 5:35 PM MDT	Tornado Warning	CYS	Morrill, Scotts Bluff	40 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; radar from the NEXRAD Level II archive.