Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 6, NWS Hastings, NE

April 23, 1986Phelps County, Nebraska

NWS Hastings, NE issued this tornado warning at Apr 23, 1986, 8:33 PM CST for Phelps County, Nebraska. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Apr 23, 1986, 8:33 PM CST (02:33 UTC)
Expired
Apr 23, 1986, 9:00 PM CST
In force
27 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Phelps 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, 2.6 hours before the alert went out and 121 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 00:00Z on 1986-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1986-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
25 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
3420 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 240246
TORGRI
NEC137-240300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
833 PM CST WED APR 23 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 900 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTH CENTRAL NEBRASKA...NORTHERN PHELPS

AT 830PM... A FUNNEL WAS REPORTED 6 MILES NORTH AND 2 WEST OF
HOLDREGE NEBRASKA MOVING NORTH.

DAMAGE REPORTS ORR OBSERVED SEVERE WEATHER SHOULD BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

IN ADDITION TO THE THREAT OF TORNADOES..LARGE HAIL..DANGEROUS
LIGHTNING AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM.
EDS RLT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:47 PM CSTSevere Thunderstorm WarningGIDPhelps58 min
Apr 23, 9:06 PM CSTSevere Thunderstorm WarningGIDBuffalo, Kearney69 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.