Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 57, NWS North Platte, NE

June 29, 1986Garfield County, Wheeler County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 29, 1986, 6:23 PM CDT for Garfield County, Wheeler County, Nebraska. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1986, 6:23 PM CDT (23:23 UTC)
Expired
Jun 29, 1986, 7:15 PM CDT
In force
52 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Garfield County, NE, Wheeler 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 12:00Z, 11.4 hours before the alert went out and 176 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 12:00Z on 1986-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1397 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 12:00Z on 1986-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
1397 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
1513 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
128 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 KOFK 292323
SVROFK
NEC071-183-003-107-300015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
623 PM CDT SUN JUN 29 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTH CENTRAL NEBRASKA...GARFIELD...WHEELER...ANTELOPE AND KNOX

AT 615 PM CDT A LINE OF SEVERE THUNDERSTORMS WERE OVER NORTHERN
CEDAR..NORTHWEST ANTELOPE AND SOUTHERN KNOX COUNTIE OF NORTHEAST
AND NORTH CENTRAL NEBRASKA.  THE LINE OF STORMS WAS MOVING SOUTH
EAST AT 35 MPH.
DAMAGING WINDS AND VERY HEAVY RAINS HAVE BEEN REPORTED WITH THESE
THUNDERSTORMS.

 REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DEADLY WINDS IN EXCESS
OF 75 MPH...LARGE HAIL...KILLER LIGHTNING...AND TORRENTIAL RAINS
THAT CAN QUICKLY FLOOD A LOW LYING AREA.

 THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING...SO BE ON THE cLOOKOUT AND BE PREPARED TO MOVE TO A
PLACE OF SAFETY.

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 29, 5:12 PM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
510 PM CDT SUN JUN 29 1986

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTH CENTRAL NEBRASKA UNTIL
1000 PM CDT...

INTENSE THUNDERSTORMS CONTINUED TO MOVE ACROSS PARTS OF WEST CENTRAL
AND NORTH CENTRAL NEBRASKA THIS EVENING.

AT 505 PM CDT A VERY STRONG THUNDERSTORM WAS MOVING ACROSS SOUTHERN
CUSTER COUNTY.  THIS THUNDERSTROM WAS 5 MILES WEST OF OCONTO NEBRASKA
OR ABOUT 35 MILES EAST OF NORTH PLATTE NEBRASKA MOVING TO THE EAST AT
20 MILES AN HOUR.

PERSONS IN THE VICINTIY OF THESE THUNDERSTORMS CAN EXPECT HAIL..LOCALLY
HEAVY RAIN..GUSTY WINDS AND DANGEROUS LIGHTNING.

MEYER
Special weather statement, Jun 29, 6:09 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
510 PM CDT SUN JUN 29 1986

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTH CENTRAL NEBRASKA UNTIL
1000 PM CDT...

STRONG THUNDERSTORMS REMAINED OVER PARTS OF SOUTHWEST AND WEST CENTRAL
NEBRASKA THIS EVENING.

AT 605 PM CDT THE STRONGEST THUNDERSTORM WAS LOCATED IN SOUTH LINCOLN
COUNTY OF SOUTHWEST NEBRASKA 20 MILES SOUTHEAST OF NORTH PLATTE
NEBRASKA.  ALL THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH.

THE INTENSE THUNDERSTORM THAT WAS OVER SOUTH CUSTER COUNTY AT 500 PM
CDT HAD DISSIPATED AND WAS NO LONGER THREATENING SEVERE WEATHER.

PERSONS IN THE VICINITY OF THESE THUNDERSTORMS SHOULD CONTINUE TO BE ON
THE LOOKOUT FOR VSMALL HAIL..LOCALLY HEAVY RAIN AND DANGEROUS LIGHTNING.
MEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 9:17 PM CDTTornado WarningLBFKnox23 min
Jun 28, 9:48 PM CDTTornado WarningLBFCedar, Knox32 min
Jun 29, 12:06 AM CDTSevere Thunderstorm WarningLBFCherry54 min
Jun 29, 3:14 PM CDTSevere Thunderstorm WarningLBFKeya Paha26 min
Jun 29, 3:44 PM CDTSevere Thunderstorm WarningLBFBoyd, Keya Paha56 min
Jun 29, 4:21 PM CDTSevere Thunderstorm WarningLBFHolt, Rock59 min
Jun 29, 5:25 PM CDTSevere Thunderstorm WarningLBFHolt, Rock50 min
Jun 29, 5:47 PM CDTSevere Thunderstorm WarningLBFCedar43 min
Jun 29, 6:23 PM CDTSevere Thunderstorm WarningLBFAntelope, Knox52 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.