Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 32, NWS North Platte, NE

June 9, 1986Dundy County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 9, 1986, 6:49 PM MDT for Dundy County, Nebraska. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 9, 1986, 6:49 PM MDT (00:49 UTC)
Expired
Jun 9, 1986, 7:30 PM MDT
In force
41 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Dundy 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 00:00Z, 0.8 hours before the alert went out and 136 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 00:00Z on 1986-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 00:00Z on 1986-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 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
56 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1077 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-38 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 KLBF 100049
SVRLBF
NEC057-100130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
749 PM CDT MON JUN 9 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

SOUTHWEST NEBRASKA...SOUTHWEST DUNDY

AT 635 PM PM MDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM 7
MILES SOUTHWEST OF HAIGLER NEBRASKA MOVING TOWARD THE NORTHEAST
AT 30 MPH.

IF THREATENING WEATHER APPROACHES...GET TO A REINFORCED SHELTER AND
PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN AND
DANGEROUS LIGHTNING.  REMEMBER...THESE STORMS CAN AND OCCASIONALLY
DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE
LOOKOUT!!

REPORTS OF SEVERE WEATHER OR DAMAGE CAN BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH..
LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER..DEADLY LIGHTNING
AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY.

SMALLFIELD 0047Z

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, Jun 9, 5:33 PM MDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
630 PM CDT MON JUN 9 1986

A LARGE AREA OF SHOWERS AND THUNDERSTORMS WERE LOCATED FROM SOUTHWEST
OF NORTH PLATTE NEBRASKA INTO CHERRY COUNTY OF NEBRASKA. MULLEN NEBRASKA
53 MILES SOUTHWEST OF VALENTINE NEBRASKA HAS REPORTED .62 HUNDREDTHS OF
A INCH FROM A THUNDERSTORM AND IS CONTINUING TO RAIN MODERATE TO HEAVY.

IN NORTH PLATTE NEBRASKA THE WEATHER SERVICE OFFICE REPORTED .22 OF AN
FROM A THUNDERSHOWER WHILE AN UNOFFICIAL REPORT 15 MILES SOUTHWEST OF
THE WEATHER SERVICE OFFICE REPORTED 1.25 INCHES FROM THE SAME STORM.

THE SHOWERS WERE MOVING TO THE NORTH AT AROUND 15 MPH.

SMALLFIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:51 PM MDTTornado WarningLBFPerkins24 min

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.