Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 8, NWS Cheyenne, WY

July 5, 2000Banner County, Morrill County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jul 5, 2000, 5:40 PM MDT for Banner County, Morrill County, Scotts Bluff County, Nebraska. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 5, 2000, 5:40 PM MDT (23:40 UTC)
Expired: Jul 5, 2000, 6:15 PM MDT
In force: 35 min
Issued by: NWS Cheyenne, WY
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Banner County, NE, Morrill County, NE, Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 128 km from the middle of the area, began a volume at 23:39 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
Jul 5, 5:45 PM MDT	Tornado F0	Harrisburg, NE	Tornado reported over open country along the Banner-Morrill county line.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 200 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: 158 J/kg
Mixed-layer CIN: -287 J/kg
Mixed-layer LCL: 2012 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS55 KCYS 052343 COR
TORCYS

NEC007-123-157-060015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED
NATIONAL WEATHER SERVICE CHEYENNE WY
540 PM MDT WED JUL 5 2000

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BANNER COUNTY IN THE PANHANDLE OF NEBRASKA   
  WESTERN MORRILL COUNTY IN THE PANHANDLE OF NEBRASKA   
  SOUTHEAST SCOTTS BLUFF COUNTY IN THE PANHANDLE OF NEBRASKA

  THIS INCLUDES THE CITIES OF BAYARD...REDINGTON...MCGREW...
  MELBEDA AND HARRISBURG
  
* UNTIL 615 PM MDT

* AT 536 PM MDT...LAW ENFORCEMENT OFFICIALS REPORTED SEVERAL
TORNADOES 3 MILES WEST OF REDINGTON...OR 32 MILES NORTHWEST OF 
SIDNEY.  THE SEVERE STORMS PRODUCING THE TORNADOES WERE MOVING TO
THE NORTHEAST AT 15 MPH.  

THIS TORNADO WARNING REPLACES THE PREVIOUSLY ISSUED SEVERE 
THUNDERSTORM WARNING FOR BANNER 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT
WEDNESDAY EVENING FOR THE PANHANDLE OF NEBRASKA. A SEVEREY
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 600 PM MDT WEDNESDAY
EVENING FOR THE PANHANDLE OF NEBRASKA.

LAT...LON 4158 10368 4146 10351 4176 10304 4194 10327

WEILAND

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 5:33 PM MDT	Severe Thunderstorm Warning	CYS	Banner	42 min

Nearby

Tornado Warnings in Nebraska, 2000 Every tornado warning in 2000 Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.