Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 15, NWS North Platte, NE

June 12, 2000Custer County, Logan County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 12, 2000, 8:50 PM CDT for Custer County, Logan County, Nebraska. It was in force for 25 min. 3 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: Jun 12, 2000, 8:50 PM CDT (01:50 UTC)
Expired: Jun 12, 2000, 9:15 PM CDT
In force: 25 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Custer County, NE, Logan County, NE

What was reported inside it

Time	Report	Where	Remark
Jun 12, 8:55 PM CDT	Tornado F0	Arnold, NE	Brief touchdown over open country just north of Arnold.
Jun 12, 9:05 PM CDT	Hail 1.75	Stapleton, NE
Jun 12, 9:15 PM CDT	Hail 1.5	Arnold, 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.

Issued	Product	Office	Lasted
Jun 12, 7:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 hours before the alert went out and 58 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: 1538 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 2700 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

331 
WFUS53 KLBF 130150
TORLBF
NEC041-113-130215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
850 PM CDT MON JUN 12 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CUSTER COUNTY IN CENTRAL NEBRASKA
  EASTERN LOGAN COUNTY IN CENTRAL NEBRASKA

* UNTIL 915 PM CDT

* AT 850 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO 5 MILES NORTHWEST OF
  ARNOLD...MOVING SOUTHEAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE...
  NEAR ARNOLD AROUND 905 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.

LAT...LON 4174 10051 4148 10046 4134 9998 4167 9993

$$

TLK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 7:12 PM CDT	Severe Thunderstorm Warning	LBF	Hooker, McPherson	63 min
Jun 12, 7:23 PM CDT	Tornado Warning	LBF	Logan	67 min
Jun 12, 8:33 PM CDT	Severe Thunderstorm Warning	LBF	Logan	57 min
Jun 12, 8:57 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	33 min
Jun 12, 9:00 PM CDT	Severe Thunderstorm Warning	LBF	Hayes	45 min
Jun 12, 9:19 PM CDT	Tornado Warning	LBF	Custer	41 min
Jun 12, 9:31 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	44 min
Jun 12, 10:02 PM CDT	Severe Thunderstorm Warning	LBF	Custer	58 min
Jun 12, 10:14 PM CDT	Tornado Warning	LBF	Custer	46 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.