Alert archive / South Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 83, NWS Rapid City, SD

June 28, 2016Oglala Lakota County, South Dakota

NWS Rapid City, SD issued this severe thunderstorm warning at Jun 28, 2016, 4:55 AM MDT for Oglala Lakota County, South Dakota. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 28, 2016, 4:55 AM MDT (10:55 UTC)
Expired
Jun 28, 2016, 5:32 AM MDT
In force
37 min
Issued by
NWS Rapid City, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Oglala Lakota County, SD

The radar

The Rapid City radar (KUDX), 91 km from the middle of the area, began a volume at 10:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 10.9 hours before the alert went out and 86 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, Rapid City, SD at 00:00Z on 2016-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 683 joules per kilogram.LCLEL10008507005003002001001 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, Rapid City, SD at 00:00Z on 2016-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
683 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1985 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
-53 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-1.7

Open this sounding in Storm Lab

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.

NWS Rapid City, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 2:52 AM MDT, 2 hours 3 minutes earlier.

Area forecast discussion, Jun 28, 2:52 AM MDT, 2 hours 3 minutes before
<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 28, 4:00 AM MDT, 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
400 AM MDT TUE JUN 28 2016

SDZ002-014-032-046-049-291000-
PERKINS-ZIEBACH-HAAKON-MELLETTE-TRIPP-
400 AM MDT TUE JUN 28 2016 /500 AM CDT TUE JUN 28 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWESTERN
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA...AND SOUTHWESTERN
SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND OVERNIGHT. THERE IS
A MARGINAL RISK OF STORMS BECOMING SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

CHANCES FOR THUNDERSTORMS WILL CONTINUE THROUGH THE WEEK...AND
ISOLATED SEVERE STORMS WILL BE POSSIBLE. ON WEDNESDAY THERE IS A
MARGINAL TO SLIGHT RISK OF SEVERE WEATHER FOR CENTRAL INTO SOUTH
CENTRAL SOUTH DAKOTA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

SDZ001-012-013-024>031-041>044-047-072>074-WYZ054>058-071-291000-
HARDING-BUTTE-NORTHERN MEADE CO PLAINS-NORTHERN BLACK HILLS-
NORTHERN FOOT HILLS-RAPID CITY-SOUTHERN FOOT HILLS-
CENTRAL BLACK HILLS-SOUTHERN BLACK HILLS-CUSTER CO PLAINS-
PENNINGTON CO PLAINS-FALL RIVER-OGLALA LAKOTA-JACKSON-BENNETT-
TODD-STURGIS/PIEDMONT FOOT HILLS-SOUTHERN MEADE CO PLAINS-
HERMOSA FOOT HILLS-NORTHERN CAMPBELL-SOUTHERN CAMPBELL-
WESTERN CROOK-WYOMING BLACK HILLS-WESTON-NORTHEASTERN CROOK-
400 AM MDT TUE JUN 28 2016 /500 AM CDT TUE JUN 28 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWESTERN
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA...SOUTHWESTERN SOUTH
DAKOTA...THE BLACK HILLS OF SOUTH DAKOTA...AND NORTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND OVERNIGHT. THERE IS
A SLIGHT RISK OF STORMS BECOMING SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

CHANCES FOR THUNDERSTORMS WILL CONTINUE THROUGH THE WEEK...AND
ISOLATED SEVERE STORMS WILL BE POSSIBLE. ON WEDNESDAY THERE IS A
MARGINAL TO SLIGHT RISK OF SEVERE WEATHER FOR PORTIONS OF WESTERN
SOUTH DAKOTA AND NORTHEASTERN WYOMING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

In the hours before

Special weather statement, Jun 28, 4:29 AM MDT, 26 minutes before
<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 6:16 PM MDTSpecial Weather StatementUNRFall River44 min
Jun 27, 6:20 PM MDTSevere Thunderstorm WarningUNRFall River55 min
Jun 27, 6:46 PM MDTSpecial Weather StatementUNRPennington29 min
Jun 27, 7:11 PM MDTSpecial Weather StatementUNRFall River19 min
Jun 27, 7:21 PM MDTSpecial Weather StatementUNRFall River24 min
Jun 27, 7:45 PM MDTSpecial Weather StatementUNRCuster45 min
Jun 28, 4:29 AM MDTSpecial Weather StatementUNROglala Lakota31 min
Jun 28, 12:08 PM MDTSpecial Weather StatementUNRCuster37 min
Jun 28, 1:41 PM MDTSpecial Weather StatementUNRCuster34 min
Jun 28, 2:32 PM MDTSpecial Weather StatementUNRLawrence28 min
Jun 28, 2:55 PM MDTSevere Thunderstorm WarningUNRCuster, Pennington65 min
Jun 28, 3:18 PM MDTSpecial Weather StatementUNR27 min
Jun 28, 3:28 PM MDTSpecial Weather StatementUNRPennington32 min
Jun 28, 3:39 PM MDTSevere Thunderstorm WarningUNRCuster, Fall River55 min
Jun 28, 3:44 PM MDTSevere Thunderstorm WarningUNRMeade, Pennington61 min
Jun 28, 4:01 PM MDTSevere Thunderstorm WarningUNRCuster, Lawrence, Meade, Pennington44 min
Jun 28, 4:07 PM MDTSevere Thunderstorm WarningUNRPennington24 min
Jun 28, 4:13 PM MDTSevere Thunderstorm WarningUNRFall River77 min
Jun 28, 4:21 PM MDTSevere Thunderstorm WarningUNRHaakon, Pennington54 min
Jun 28, 4:35 PM MDTSevere Thunderstorm WarningUNROglala Lakota, Pennington40 min
Jun 28, 4:47 PM MDTSpecial Weather StatementUNRMeade43 min
Jun 28, 4:54 PM MDTSevere Thunderstorm WarningUNRHaakon, Meade, Pennington66 min
Jun 28, 4:59 PM MDTSevere Thunderstorm WarningUNRHaakon76 min
Jun 28, 5:11 PM MDTSevere Thunderstorm WarningUNROglala Lakota37 min
Jun 28, 1:24 PM MDTSevere Thunderstorm WarningUNRCampbell66 min
Jun 28, 2:05 PM MDTSevere Thunderstorm WarningUNRWeston55 min
Jun 28, 2:14 PM MDTSpecial Weather StatementUNRCrook46 min
Jun 28, 2:53 PM MDTSevere Thunderstorm WarningUNRWeston67 min
Jun 28, 3:35 PM MDTSevere Thunderstorm WarningUNRWeston31 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2016Every severe thunderstorm warning in 2016

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; radar from the NEXRAD Level II archive.