Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 10, NWS North Platte, NE

May 17, 2000Logan County, Nebraska

NWS North Platte, NE issued this tornado warning at May 17, 2000, 6:04 PM CDT for Logan County, Nebraska. It was in force for 41 min. 2 reports 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 17, 2000, 6:04 PM CDT (23:04 UTC)
Expired
May 17, 2000, 6:45 PM CDT
In force
41 min
Issued by
NWS North Platte, NE
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Logan County, NE

The radar

The North Platte radar (KLNX), 69 km from the middle of the area, began a volume at 23:03 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 17, 6:35 PM CDTHail 1North Platte, NE
May 17, 6:40 PM CDTHail 1Stapleton, 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 17, 2:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.1 hours before the alert went out and 25 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, N. Platte/Lee Bi, NE at 12:00Z on 2000-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 853 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2000-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
853 J/kg
Mixed-layer CIN
-378 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
43 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.

066 
WFUS53 KLBF 172305
TORLBF
NEC111-113-172345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
604 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA
  SOUTHERN LOGAN COUNTY IN CENTRAL NEBRASKA

* UNTIL 645 PM CDT

* AT 603 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 15 MILES SOUTH OF
  GANDY...OR ABOUT 15 MILES NORTHEAST OF NORTH PLATTE...MOVING NORTH
  AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE...
  6 MILES WEST OF GANDY AROUND 630 PM CDT
  3 MILES WEST OF STAPLETON AROUND 635 PM CDT

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 CDT WEDNESDAY EVENING
FOR WESTERN NEBRASKA.

LAT...LON 4117 10065 4116 10025 4162 10025 4160 10071

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 12:15 AM CDTSevere Thunderstorm WarningLBFSheridan60 min
May 17, 1:12 AM CDTSevere Thunderstorm WarningLBFSheridan63 min
May 17, 3:06 PM CDTSevere Thunderstorm WarningLBFChase, Perkins39 min
May 17, 3:22 PM CDTSevere Thunderstorm WarningLBFHayes, Lincoln38 min
May 17, 3:35 PM CDTSevere Thunderstorm WarningLBFFrontier55 min
May 17, 3:43 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins62 min
May 17, 3:48 PM CDTTornado WarningLBFLincoln, Perkins27 min
May 17, 4:02 PM CDTSevere Thunderstorm WarningLBFMcPherson43 min
May 17, 4:08 PM CDTTornado WarningLBFKeith52 min
May 17, 4:12 PM CDTTornado WarningLBFLincoln48 min
May 17, 4:28 PM CDTSevere Thunderstorm WarningLBFFrontier47 min
May 17, 4:34 PM CDTSevere Thunderstorm WarningLBFCuster56 min
May 17, 4:43 PM CDTSevere Thunderstorm WarningLBFHooker, McPherson62 min
May 17, 4:59 PM CDTTornado WarningLBFLincoln61 min
May 17, 5:09 PM CDTTornado WarningLBFCuster51 min
May 17, 5:57 PM CDTTornado WarningLBFKeith, Lincoln48 min
May 17, 5:59 PM CDTSevere Thunderstorm WarningLBFCuster, Loup61 min
May 17, 6:39 PM CDTSevere Thunderstorm WarningLBFCuster66 min
May 17, 6:46 PM CDTSevere Thunderstorm WarningLBFLogan59 min
May 17, 6:56 PM CDTSevere Thunderstorm WarningLBFLincoln64 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.