Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 5, NWS Cheyenne, WY

June 7, 1986Scotts Bluff County, Sioux County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 7, 1986, 9:02 PM MDT for Scotts Bluff County, Sioux County, Nebraska. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1986, 9:02 PM MDT (03:02 UTC)
Expired
Jun 7, 1986, 9:30 PM MDT
In force
28 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Scotts Bluff County, NE, Sioux 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

Rapid City, SD (KRAP), launched 00:00Z, 3.0 hours before the alert went out and 222 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, Rapid City, SD at 00:00Z on 1986-06-08Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 1986-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 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
2019 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
116 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 KBFF 080302
TORBFF
NEC157-165-080330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
902 PM MDT SAT JUN 7 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 930 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

PANHANDLE OF NEBRASKA...NORTHERN SCOTTS BLUFF AND SOUTHERN SIOUX

AT 855 PM MDT RADAR INDICATED A POSSIBLE TORNADO 7 MILES NORTHWEST
OF MORRILL..OR 23 MILES NORTHWEST OF SCOTTSBLUFF NEBRASKA MOVING
EAST AT 15 MILES AN HOUR.

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

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

 HONTON

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 7, 3:19 PM MDT, 5 hours 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
320 PM MDT SAT JUN 7 1986

AT 315 PM CHEYENNE WEATHER RADAR INDICATED A STRONG THUNDERSTORM ABOUT
TO MOVE INTO THE WHEATLAND AREA SOME 65 MILES NORTH OF CHEYENNE.

STRONG GUSTY WINDS...BRIEF HEAVY RAINS...AND EVEN SOME SMALL HAIL ARE
POSSIBLE AS THIS STORM MOVES NORTHEAST AT ABOUT 20 MILES AN HOUR.
PEOPLE NEAR WHEATLAND SHOULD BE ON THE LOOKOUT FOR THIS STORM AND BE
READY TO TAKE ANY NECESSARY PRECAUTIONS.

OTHER THUNDERSTORMS WERE BUILDING ALONG THE LARAMIE RANGE IN SOUTHEAST
WYOMING THIS AFTERNOON...BUT WERE STILL RATHER WEAK.

DASELER
Special weather statement, Jun 7, 5:50 PM MDT, 3 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
550 PM MDT SAT JUN 7 1986

AT 545 PM THE NATIONAL WEATHER SERVICE RADAR AT CHEYENNE INDICATED A
COUPLE OF STRONG THUNDERSTORMS ABOUT 25 MILES NORTHWEST OF WHEATLAND
WYOMING...OR SOME 100 MILES NORTH OF CHEYENNE.

THE THUNDERSTORMS WERE BETWEEN LARAMIE PEAK NORTHWEST OF WHEATLAND AND
GLENDO IN NORTHWEST PLATTE COUNTY.  STRONG GUSTY WINDS...BRIEF HEAVY
RAINS...AND SOME SMALL HAIL ARE POSSIBLE FROM THESE STORMS AS THEY
MOVE NORTHEAST AROUND 25 MILES AN HOUR.

PEOPLE NEAR THE TOWN OF GLENDO AND THOSE USING GLENDO RESERVOIR SHOULD
BE READY TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.

HATTEN

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 8:37 PM MDTTornado WarningCYSScotts Bluff, Sioux23 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.