Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 39, NWS Aberdeen, SD

June 30, 1992Beadle County, Jerauld County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 30, 1992, 6:24 AM CDT for Beadle County, Jerauld County, South Dakota. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1992, 6:24 AM CDT (11:24 UTC)
Expired
Jun 30, 1992, 7:30 AM CDT
In force
66 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Beadle County, SD, Jerauld County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 11.4 hours before the alert went out and 73 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, Aberdeen, SD at 00:00Z on 1992-06-30Temperature 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, Aberdeen, SD at 00:00Z on 1992-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1544 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
150 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 KHON 301124
SVRHON
SDC005-073-301230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE HURON SD 
624 AM CDT TUE JUN 30 1992

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

   IN THE EAST CENTRAL PART OF SOUTH DAKOTA
      SOUTHWEST BEADLE...

   IN THE CENTRAL PART OF SOUTH DAKOTA
      NORTHWEST JERAULD...

SOME OF THE COMMUNITIES INCLUDED IN THIS WARNING ARE ALPENA
VIRGIL AND HURON

AT 620 AM CDT  RADAR INDICATED A SEVERE THUNDERSTORM 35 MILES SOUTH
WEST OF HURON...IN NORTHWESTERN JERAULD COUNTY MOVING NORTHEAST AT
25 MILES AN HOUR.

THIS IS A DANGEROUS STORM.  IaF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

 TINGLEY

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 5:10 PM CDTSevere Thunderstorm WarningABRHughes, Stanley65 min
Jun 30, 6:55 PM CDTSevere Thunderstorm WarningABRHand50 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1992Every severe thunderstorm warning in 1992

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.