Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 2, NWS North Platte, NE

April 3, 1986Lincoln County, Nebraska

NWS North Platte, NE issued this tornado warning at Apr 3, 1986, 4:52 PM CST for Lincoln County, Nebraska. It was in force for 23 min.

The area

The counties it named.

The facts

Issued
Apr 3, 1986, 4:52 PM CST (22:52 UTC)
Expired
Apr 3, 1986, 5:15 PM CST
In force
23 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Lincoln 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 12:00Z, 10.9 hours before the alert went out and 15 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 1986-04-03Temperature 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 km15 km-30°-20°-10°0°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 1986-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
557 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
189 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.

000 
TTAA00 KLBF 032252
TORLBF
NEC111-032315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
452 PM CST THU APR 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 515 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF


SOUTHWEST NEBRASKA...CENTRAL LINCOLN

AT 1642 PM CST A TORNADO WAS REPORTED BY CIVIL DEFENSE 1 MILE SOUTH
OF MAXWELL NEBRASKA MOVING WEST AT 40 MPH.

IF YOU ARE NEAR THE PATH OF THIS TORNADO...YOU SHOULD GO TO A
BASEMENT SHELTER IF AVAIABLE.  OTHERWISE GO TO A CENTRAL ROOM ON THE
LOWEST FLOOR POSSIBLE.  ABANDON CARS AND MOBILE HOMES FOR A
REINFORCED BUILDING.

THIS TORNADO WILL HIT NORTH PLATT-E.  TAKE COVER!"

SMALLFIELD 2248Z

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 4:18 PM CSTTornado WarningLBFLincoln22 min
Apr 3, 5:34 PM CSTTornado WarningLBFCuster16 min

Nearby

Tornado Warnings in Nebraska, 1986Every tornado warning in 1986Tornadoes in 1986

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.