Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 2, NWS North Platte, NE

May 7, 2000Deuel County, Keith County, Perkins County, Nebraska

NWS North Platte, NE issued this tornado warning at May 7, 2000, 5:28 PM MDT for Deuel County, Keith County, Perkins County, Nebraska. It was in force for 32 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, 5:28 PM MDT (23:28 UTC)
Expired
May 7, 2000, 6:00 PM MDT
In force
32 min
Issued by
NWS North Platte, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Deuel County, NE, Keith County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 186 km from the middle of the area, began a volume at 23:29 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

TimeReportWhereRemark
May 7, 5:40 PM MDTHail 1.25Chappell, NE

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.

IssuedProductOfficeLasted
May 7, 2:30 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.5 hours before the alert went out and 149 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2000-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2000-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
3658 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
61 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.

476 
WFUS53 KLBF 072329
TORLBF
NEC049-101-135-080000-

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

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN PERKINS COUNTY IN SOUTHWEST NEBRASKA
  DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA
  SOUTHWESTERN KEITH COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 600 PM MDT

* AT 526 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 14 MILES WEST OF
  CHAPPELL...MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE...
  NEAR CHAPPELL AROUND 555 PM MDT

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 4118 10283 4100 10285 4089 10195 4116 10192

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 10:59 PM MDTSevere Thunderstorm WarningLBFGarden, Sheridan61 min
May 7, 12:00 AM MDTSevere Thunderstorm WarningLBFGarden60 min
May 7, 12:58 AM MDTSevere Thunderstorm WarningLBFGarden62 min
May 7, 1:54 AM MDTSevere Thunderstorm WarningLBFGarden, Grant66 min
May 7, 3:44 AM MDTSevere Thunderstorm WarningLBFSheridan61 min
May 7, 4:44 AM MDTSevere Thunderstorm WarningLBFSheridan61 min
May 7, 5:21 AM MDTSevere Thunderstorm WarningLBFCherry54 min
May 7, 5:46 AM MDTSevere Thunderstorm WarningLBFSheridan29 min
May 7, 6:13 AM MDTSevere Thunderstorm WarningLBFCherry62 min
May 7, 5:14 PM MDTSevere Thunderstorm WarningLBFSheridan61 min
May 7, 5:29 PM MDTSevere Thunderstorm WarningLBFCherry61 min
May 7, 5:59 PM MDTTornado WarningLBFDeuel31 min

Nearby

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