Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 32, NWS North Platte, NE

August 6, 1986Custer County, Lincoln County, Logan County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 6, 1986, 9:22 PM CDT for Custer County, Lincoln County, Logan County, Nebraska. It was in force for 58 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 6, 1986, 9:22 PM CDT (02:22 UTC)
Expired: Aug 6, 1986, 10:20 PM CDT
In force: 58 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Custer County, NE, Lincoln County, NE, Logan County, NE

The radar

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

What was reported inside it

Time	Report	Where	Remark
Aug 6, 9:55 PM CDT	Hail 3	Custer, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.4 hours before the alert went out and 33 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: 2131 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 2158 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 12.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 070222
TORLBF
NEC111-041-113-070320-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
922 PM CDT WED AUG 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1020 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHWEST NEBRASKA...EASTERN LINCOLN...CUSTER AND EASTERN LOGAN

AT 920 PM CDT RADAR INDICATED A POSSIBLE TORNADO 25 MILES WEST OF
BROKEN BOW NEBRASKA MOVING SOUTH AT 25 MPH.  THIS WOULD INCLUDE THE
TOWNS OF ARNOLD..BROKEN BOW..CALLAWAY..OCONTO..MAXWELL AND BRADY.

IF YOU ARE NEAR THE PATH OF THIS TORNADO...YOU SHOULD GO TO A
BASEMENT SHELTER IF AVAILABLE.  OTHERWISE GO TO A CENTRAL 5ROOM ON
THE LOWEST FLOOR POSSIBLE.  ABANDON CARS AND MOBILE HOMES FOR A
REINFORCED BUILDING.

REPORTS OF TORNADOS OR TORNADO DAMAGE SHOULD BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

MEYER 0222Z

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 7:53 PM CDT	Tornado Warning	LBF	Thomas	57 min
Aug 6, 8:24 PM CDT	Tornado Warning	LBF	Custer, Logan	56 min
Aug 6, 10:14 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt, Keya Paha	56 min
Aug 6, 10:25 PM CDT	Tornado Warning	LBF	Custer	35 min
Aug 6, 10:50 PM CDT	Severe Thunderstorm Warning	LBF	Holt	55 min
Aug 7, 12:25 AM CDT	Severe Thunderstorm Warning	LBF	Boone	20 min

Nearby

Tornado Warnings in Nebraska, 1986 Every tornado warning in 1986 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.