Alert archive / South Dakota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 7, NWS Aberdeen, SD

June 7, 1993Hamlin County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 7, 1993, 5:32 PM CDT for Hamlin County, South Dakota. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1993, 5:32 PM CDT (22:32 UTC)
Expired
Jun 7, 1993, 6:30 PM CDT
In force
58 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Hamlin County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 10.5 hours before the alert went out and 99 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 12:00Z on 1993-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Aberdeen, SD at 12:00Z on 1993-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 372 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
372 m²/s²
0-3 km storm-relative helicity
509 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 7, 2:47 PM CDT, 2 hours 45 minutes before
SDZ003-004-072145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
248 PM CDT MON JUN 7 1993

...TORNADO WATCH UNTIL 8 PM CDT FOR NORTHCENTRAL AND NORTHEAST SOUTH
   DAKOTA...

AT 245 PM CDT...STRONG THUNDERSTORMS WERE MOVING INTO SOUTHERN PARTS
OF POTTER AND FAULK COUNTIES OF NORTHCENTRAL SOUTH DAKOTA.

THE STRONGEST STORM WAS LOCATED JUST SOUTHEAST OF LEBANON...OR 15
MILES SOUTHEAST OF GETTYSBURG. MOVEMENT WAS NORTH AT 45 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...ALONG WITH
SMALL HAIL AND STRONG GUSTY WINDS. PEOPLE IN POTTER AND FAULK COUNTIES
SHOULD BE PREPARED TO SEEK SHELTER IF NECESSARY.

NIELSEN
Special weather statement, Jun 7, 2:48 PM CDT, 2 hours 44 minutes before
SDZ003-004-072145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
248 PM CDT MON JUN 7 1993

...TORNADO WATCH UNTIL 8 PM CDT FOR NORTHCENTRAL AND NORTHEAST SOUTH
   DAKOTA...

AT 245 PM CDT...STRONG THUNDERSTORMS WERE MOVING INTO SOUTHERN PARTS
OF POTTER AND FAULK COUNTIES OF NORTHCENTRAL SOUTH DAKOTA.

THE STRONGEST STORM WAS LOCATED JUST SOUTHEAST OF LEBANON...OR 15
MILES SOUTHEAST OF GETTYSBURG. MOVEMENT WAS NORTH AT 45 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...ALONG WITH
SMALL HAIL AND STRONG GUSTY WINDS. PEOPLE IN POTTER AND FAULK COUNTIES
SHOULD BE PREPARED TO SEEK SHELTER IF NECESSARY.

NIELSEN
Local storm report, Jun 7, 4:55 PM CDT, 37 minutes before
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Local storm report, Jun 7, 4:57 PM CDT, 35 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 3:07 AM CDTSevere Thunderstorm WarningABRJones, Lyman53 min
Jun 7, 4:00 AM CDTSevere Thunderstorm WarningABRBuffalo, Hyde, Lyman45 min
Jun 7, 4:00 AM CDTSevere Thunderstorm WarningABRHughes45 min
Jun 7, 6:09 AM CDTSevere Thunderstorm WarningABRBeadle51 min
Jun 7, 8:56 AM CDTSevere Thunderstorm WarningABRCodington49 min
Jun 7, 1:47 PM CDTTornado WarningABRBuffalo28 min
Jun 7, 3:53 PM CDTTornado WarningABRBeadle37 min
Jun 7, 4:19 PM CDTTornado WarningABRBrown, Spink26 min
Jun 7, 4:25 PM CDTTornado WarningABRKingsbury35 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1993Every severe thunderstorm warning in 1993

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.