Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 25, NWS North Platte, NE

June 4, 1986Frontier County, Red Willow County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 4, 1986, 6:28 PM CDT for Frontier County, Red Willow County, Nebraska. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1986, 6:28 PM CDT (23:28 UTC)
Expired
Jun 4, 1986, 6:52 PM CDT
In force
24 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Frontier County, NE, Red Willow 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, 11.5 hours before the alert went out and 88 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 1986-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 524 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 1986-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
524 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
59 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 042328
SVRLBF
NEC063-145-050030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
628 PM CDT WED JUN 4 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTHWEST NEBRASKA...NORTHEAST FRONTIER AND NORTHERN RED-WILLOW

AT 615 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM 50 SOUTH
OF OGALLALA NEBRASKA TO 50 SOUTHEAST OF NORTH PLATTE NEBRASKA
MOVING TOWARD THE EAST NORTHEAST AT 5 MPH.

IF THREATENING WEATHER APPROACHES...GET TO A REINFORCED SHELTER AND
PREPARE FOR STRONG DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN..AND
DANGEROUS LIGHTNING.

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 2327Z

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 5:45 PM CDTFlash Flood WarningLBFHitchcock, Red Willow3 hr

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.