Alert archive / Nebraska / Tornado Warnings in 1990

Tornado Warning 16, NWS North Platte, NE

June 1, 1990Custer County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 1, 1990, 8:58 PM CDT for Custer County, Nebraska. It was in force for 32 min.

The area

The counties it named.

The facts

Issued: Jun 1, 1990, 8:58 PM CDT (01:58 UTC)
Expired: Jun 1, 1990, 9:30 PM CDT
In force: 32 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Custer County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.0 hours before the alert went out and 79 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: 1876 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1838 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 020158
TORLBF
NEC041-020230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
858 PM CDT FRI JUN 1 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE CENTRAL PART OF NEBRASKA
      NORTHEAST CUSTER

AT 851 PM CDT TORNADO 8 TO 10 MILES NORTHEAST OF SARGENT NEBRASKA
IN NORTHEAST CUSTERN COUNTY OR 61 MILES NORTHWEST OF GRAND
ISLAND NEBRASKA MOVING NORTHEAST AT 40 MILES PER HOUR.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

THIS IS A DANGEROUS STORM.  ACT QUICKLY.  IF YOU ARE IN THE PATH
OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES...TAKE
COVER IN A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

 HETZKE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 8:05 PM CDT	Tornado Warning	LBF	Custer	25 min
Jun 1, 8:15 PM CDT	Tornado Warning	LBF	Custer	45 min
Jun 1, 8:31 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	29 min
Jun 1, 8:32 PM CDT	Tornado Warning	LBF	Custer	28 min
Jun 1, 8:59 PM CDT	Tornado Warning	LBF	Loup	31 min
Jun 1, 9:17 PM CDT	Tornado Warning	LBF	Perkins	28 min
Jun 1, 9:21 PM CDT	Severe Thunderstorm Warning	LBF	Keith	54 min
Jun 1, 9:38 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	42 min
Jun 1, 9:53 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	67 min
Jun 1, 11:12 PM CDT	Severe Thunderstorm Warning	LBF	Custer	63 min

Nearby

Tornado Warnings in Nebraska, 1990 Every tornado warning in 1990 Tornadoes in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.