Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 9, NWS Hastings, NE

June 6, 1990Franklin County, Nuckolls County, Webster County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 6, 1990, 3:32 AM CDT for Franklin County, Nuckolls County, Webster County, Nebraska. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1990, 3:32 AM CDT (08:32 UTC)
Expired
Jun 6, 1990, 4:30 AM CDT
In force
58 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Franklin County, NE, Nuckolls County, NE, Webster 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 00:00Z, 8.5 hours before the alert went out and 206 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 00:00Z on 1990-06-06Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 1990-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
2286 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
160 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 KGRI 060832
SVRGRI
NEC061-083-129-169-181-060930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
332 AM CDT WED JUN 6 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      FRANKLIN...EASTERN HARLAN...SOUTHERN NUCKOLLS...SOUTHERN 
      THAYER...SOUTHEAST WEBSTER

AT 330 AM RADAR INDICATED AN AREA OF THUNDERSTORMS FROM THE HOLDREGE
VICINITY TO SOUTH OF HEBRON NEBRASKA.  THE THUNDERSTORMS WERE MOVING
TO THE EAST AT 40 MPH.

PEOPLE IN THE WARNED AREA SHOULD GET INTO A REINFORCED SHELETER AND
PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND
DANGEROUS LIGHTNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 2:57 AM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer, Webster33 min
Jun 6, 2:57 AM CDTSevere Thunderstorm WarningGIDFranklin, Harlan33 min
Jun 6, 3:32 AM CDTSevere Thunderstorm WarningGIDHarlan58 min
Jun 6, 3:32 AM CDTSevere Thunderstorm WarningGIDThayer58 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990

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.