Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 89, NWS Cheyenne, WY

August 14, 1986Banner County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 14, 1986, 4:49 PM MDT for Banner County, Nebraska. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Aug 14, 1986, 4:49 PM MDT (22:49 UTC)
Expired
Aug 14, 1986, 5:30 PM MDT
In force
41 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Banner 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

Denver, CO (KDEN), launched 12:00Z, 10.8 hours before the alert went out and 191 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, Denver, CO at 12:00Z on 1986-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1986-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
16 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
1328 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 142249
SVRBFF
NEC007-142330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
449 PM MDT THU AUG 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 530 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

PANHANDLE OF NEBRASKA...EASTERN BANNER

AT 445 PM MDT..RADAR INDICATED A SEVERE THUNDERSTORM 14 MILES SOUTH
OF SCOTTSBLUFF NEBRASKA...SOUTH OF THE WILDCAT HILLS IN BANNER
COUNTY...MOVING EAST AT 15 MILES AN HOUR.

HEAVY RAIN AND 3/4 INCH HAIL HAS BEEN REPORTED WITH THIS STORM
4 MILES NORTH AND 3 MILES EAST OF HARRISBURG IN BANNER COUNTY.

REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN THAT
CAN QUICKLY FLOOD LOW LYING AREAS.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE
TO A PLACE OF SAFETY IF ONE IS SPOTTED.

PFEIFFER

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Aug 14, 1:04 PM MDT, 3 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
100 PM MDT THU AUG 14 1986

A STRONG THUNDERSTORM HAS DEVELOPED NEAR LARAMIE PEAK IN SOUTHEAST
WYOMING...SOME 80 MILES NORTHWEST OF CHEYENNE.

THE STORM WAS LOCATED IN THE MOUNTAINS AND NOT THREATENING ANY TOWNS.
IT WAS MOVING EAST AT 15 TO 20 MILES AN HOUR AND COULD AFFECT THE
WHEATLAND AREA AFTER 2 PM.

STRONG GUSTY WINDS...BRIEF HEAVY RAIN...AND SMALL HAIL ARE POSSIBLE
WITH THIS STORM AS IT MOVES INTO WEST CENTRAL PLATTE COUNTY.

OTHER THUNDERSTORMS...MOST OF THEM RATHER WEAK...WERE DEVELOPING ALONG
THE LARAMIE MOUNTAINS IN SOUTHEAST WYOMING.  THESE WERE ALSO MOVING
EAST AT ABOUT 15 TO 20 MILES AN HOUR.

DASELER
Special weather statement, Aug 14, 2:32 PM MDT, 2 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
225 PM MDT THU AUG 14 1986

THE PUBLIC REPORTED A FUNNEL CLOUD JUST SOUTH OF THE WYOMING AND
COLORADO BORDER OR 10 MILES SOUTH OF CH!EYENNE AT 215PM MDT

THE FUNNEL CLOUDS PULLED RIGHT BACK INTO THE CLOUD ACCORDING TO
THE OBSERVER.

THE STORM WAS MOVING TO THE EAST 15 TO 20MPH AND DOES NOT APPEAR A
THREAT TO WYOMING.
SIGLER
Special weather statement, Aug 14, 3:45 PM MDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
345 PM MDT THU AUG 14 1986

WEATHER RADAR CONTINUED TO INDICATE ISOLATED SHOWERS AND THUNDERSTORMS
IN SOUTHERN GOSHEN AND MUCH OF LARAMIE COUNTY WYOMING AT 335PM MDT.

A FEW OF THESE STORMS COULD CONTAIN BRIEF HEAVY RAIN AND SMALL HAIL.
STRONG GUSTY WINDS AND LIGHTNING ARE ALSO POSSILBLE WITH THE STORMS.
WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED IN SOUTHEAST
WYOMfING UNTIL SUNSET.

PEA SIZE HAIL WAS REPORTED AT ALBIN OR 60 MILES NORTHEAST OF CHEYENNE
AT 330PM MDT.

IF THEATNING WEATHER APPROACHES TAKE SHELTER IMMEDIATELY. REPORT ANY
SEVERE WEATHER TO YOUR NEAR LAW ENFORCMENT AGENCY.
SIGLER
Special weather statement, Aug 14, 3:49 PM MDT, 1 hour before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
345 PM MDT THU AUG 14 1986

THUNDERSTORMS HAVE DEVELOPED OVER THE WEST NEBRASKA PANHANDLE THIS
THURSDAY AFTERNOON. AT 340 PM THE STONGEST THUNDERSTORMS WERE LOOATED
OVER CENTRAL SIOUX COUNTY 35 MILES NORTH OF SCOTTSBLUFF..WITH ANOTHER
ALONG THE NEBRASKA..WYOMING BOARDER..ABOUT 25 MILES SOUTHWEST OF
SCOTTSBLUFF. MOVEMENT WAS SOUTHEAST AT 15 MPH.

BRIEF HEAVY RAIN..STRONG GUSTY) WIND AND SMALL HAIL IS POSSIBLE WITH
THESE STORMS OVER SIOUX..BOX BUTTE..BANNER AND NORTHERN KIMBALL
COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 530PM MDT.
KOSEL

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning 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.