Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 3, NWS North Platte, NE

May 7, 2000Deuel County, Nebraska

NWS North Platte, NE issued this tornado warning at May 7, 2000, 5:59 PM MDT for Deuel County, Nebraska. It was in force for 31 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: May 7, 2000, 5:59 PM MDT (23:59 UTC)
Expired: May 7, 2000, 6:30 PM MDT
In force: 31 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Deuel County, NE

The radar

The North Platte radar (KLNX), 181 km from the middle of the area, began a volume at 00:00 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
May 7, 6:15 PM MDT	Hail 1.75	Chappell, NE	Extensive damage done to houses and vehicles in Chappell.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 7, 2:30 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 12.0 hours before the alert went out and 152 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: 193 J/kg
Mixed-layer CIN: -277 J/kg
Mixed-layer LCL: 881 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

462 
WFUS53 KLBF 080000
TORLBF
NEC049-080030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
559 PM MDT SUN MAY 7 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 630 PM MDT

* AT 600 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 4 MILES SOUTHEAST OF
  CHAPPELL...MOVING SOUTHEAST AT 20 MPH.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY...IT MAY SAVE YOUR
LIFE.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT SUNDAY EVENING FOR
WESTERN NEBRASKA.

LAT...LON 4116 10252 4099 10259 4100 10220 4115 10223

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 6, 10:59 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	61 min
May 7, 12:00 AM MDT	Severe Thunderstorm Warning	LBF	Garden	60 min
May 7, 12:58 AM MDT	Severe Thunderstorm Warning	LBF	Garden	62 min
May 7, 1:54 AM MDT	Severe Thunderstorm Warning	LBF	Garden, Grant	66 min
May 7, 3:44 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	61 min
May 7, 4:44 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	61 min
May 7, 5:21 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	54 min
May 7, 5:46 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	29 min
May 7, 6:13 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
May 7, 5:14 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	61 min
May 7, 5:28 PM MDT	Tornado Warning	LBF	Deuel, Keith, Perkins	32 min
May 7, 5:29 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	61 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.