Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 4, NWS Hastings, NE

April 13, 1986Hall County, Hamilton County, Nebraska

NWS Hastings, NE issued this tornado warning at Apr 13, 1986, 5:04 PM CST for Hall County, Hamilton County, Nebraska. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Apr 13, 1986, 5:04 PM CST (23:04 UTC)
Expired
Apr 13, 1986, 5:30 PM CST
In force
26 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Hall County, NE, Hamilton 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

Omaha, NE (KOAX), launched 12:00Z, 11.1 hours before the alert went out and 166 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, Omaha, NE at 12:00Z on 1986-04-13Temperature 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, Omaha, NE at 12:00Z on 1986-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
3570 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
98 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 KGRI 132305 RRA
TORGRI
NEC079-081-132330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
504 PM CST SUN APR 13 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 530 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES
OF


SOUTH CENTRAL NEBRASKA...SOUTHEAST HALL AND WESTERN HAMILTON

AT 500PM... A TORNADO WAS INDICATED BY RADAR NEAR DONIPHAN NEBRASKA
MOVING NORTHEAST AT 35 MILES AN HOUR.

PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF
AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.  CARS AND MOBILE HOMES SHOULD BE ABANDONED.
DD RLT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 4:21 PM CSTTornado WarningGIDBuffalo24 min
Apr 13, 4:38 PM CSTTornado WarningGIDAdams, Hall22 min
Apr 13, 5:30 PM CSTTornado WarningGIDFillmore, Nuckolls, Thayer50 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.