Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 4, NWS Hastings, NE

May 9, 1990Adams County, Franklin County, Kearney County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 9, 1990, 12:24 AM CDT for Adams County, Franklin County, Kearney County, Nebraska. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
May 9, 1990, 12:24 AM CDT (05:24 UTC)
Expired
May 9, 1990, 1:30 AM CDT
In force
66 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Adams County, NE, Franklin County, NE, Kearney 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, 5.4 hours before the alert went out and 172 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 1990-05-09Temperature 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 1990-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897Sfc1 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
627 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
442 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 090524
SVRGRI
NEC001-061-099-090630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1224 AM CDT WED MAY 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      WESTERN ADAMS...NORTHERN FRANKLIN...SOUTHERN KEARNEY

AT 12 20 AM CDT GOLFBALL SIZE HAIL WAS REPORTED FROM ALMA TO
10 MILES NORTH OF ALMA RADAR INDICATED A SEVERE THUNDERSTORMS
IN WESTERN FRANKLIN COUNTY NEB.  MOVING TO THE NORTHEAST AT 40
MPH.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
ADVANCE WARNING...SO BE ON THE LOiOKOUT.

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.