Alert archive / South Dakota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 42, NWS Aberdeen, SD

June 11, 2008Brown County, Edmunds County, McPherson County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 11, 2008, 2:38 AM CDT for Brown County, Edmunds County, McPherson County, South Dakota. It was in force for 82 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 11, 2008, 2:38 AM CDT (07:38 UTC)
Expired: Jun 11, 2008, 4:00 AM CDT
In force: 82 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon

Counties Brown County, SD, Edmunds County, SD, McPherson County, SD

The radar

The Aberdeen radar (KABR), 43 km from the middle of the area, began a volume at 07:41 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 12:55 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 8:37 PM CDT, 6 hours 1 minute earlier.

Area forecast discussion, Jun 10, 8:37 PM CDT, 6 hours 1 minute before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ABERDEEN SD
837 PM CDT TUE JUN 10 2008

.UPDATE...
HAVE UPDATED FORECAST TO INCLUDE TORNADO WATCH IN SOUTH AND WEST
COUNTIES.  REST OF FORECAST ON TRACK.

&&
.PREV DISCUSSION...
.SHORT TERM...TONIGHT THROUGH 12Z THURSDAY
BIGGEST CHALLENGE FACING THE SHORT TERM REVOLVES AROUND PCPN
CHCS/TIMING/COVERAGE AND QPF AMOUNTS.

VIGOROUS SFC LOW STILL SETTING UP ACROSS SRN MT/NRN WY WITH A WARM
FRONT DRAPED ACROSS THE SD/NEB BORDER AT 19Z. DWPTS ALONG THE
FRONT ARE POOLING AND NOW IN THE U50S/L60S...WITH GOOD BACKING
NOTED IN THE SFC WIND FIELD ACROSS THE FRONT FROM SOUTH TO NORTH.
MODELS ARE STILL IN GOOD AGREEMENT ON VERY WARM 7H TEMPS NOSING
INTO SC SD THIS EVENING...WITH BROAD AREA OF +12C TEMPS ENABLING
CAP ACROSS THE AREA. HOWEVER...RUC IS SHOWING 1KM MIXED SPEC
HUMIDITIES CLIMBING TO 12+ G/KB BY 06Z TONIGHT...AND 85H WINDS
INCREASE TO OVER 50KTS ACROSS THE EAST LATER TONIGHT...WHERE 7H
TEMPS ARE A BIT WEAKER. OF NOTE IS THAT THE 18Z NAM12 IS SHOWING
7H-5H LAPSE RATES TO BE MUCH STEEPER THAN THE 85H-5H
VALUES...LENDING VALIDITY TO THOUGHT OF ELEVATED CONVECTION
OVERNIGHT. WITH PWATS INCREASING TO NEAR 2 BY 12Z WEDNESDAY...AND
COUNTY FFG STILL REMAINING AROUND 1.5/3 HOURS...SEE NO NEED TO
DROP ONGOING FLASH FLOOD WATCH FOR THE NRN TIER COUNTIES THATS
CURRENTLY IN PLACE. THE WATCH MAY BE A BIT LONG LIVED FOR THE
EASTERN COUNTIES...BUT WOULD RATHER END EARLY THAN HAVE TO WORRY
ABOUT EXTENDING.

PROBLEM THEN SHOWS UP FOR WEDNESDAY. THE MODELS CONT TO SHOW
7H/85H DOWNGLIDE SETTING UP ACROSS THE CWA DURING THE DAY
WEDNESDAY...WITH COLD FRONT PUSHING BEST LOLVL MOISTURE TO THE
EASTERN PART OF THE CWA. BY 00Z BEST 85H AND 7H THETA-E FORCING
HAS MOVED INTO EXTREME WRN MN AND OUT OF CWA...SO TIMING THE END
OF THE RAINFALL WEDNESDAY AFTN IS A BIT TRICKY. HAVE CONTINUED A
SLIGHT CHC OF SHOWERS FOR THE FAR WRN CWA WED AFTN/EVEN DUE TO
COOLISH 5H TEMPS AND SOME SUNSHINE EXPECTED TO START OFF THE
DAY...AIDING IN INSTAB SHOWER POTENTIAL. EXPECT A FAIRLY QUICK
CLEARING TO THE CLDS AND PCPN WEDNESDAY EVEN AS DRY AIR CONTS TO
PUSH IN FROM THE WEST...WITH SUBSIDENCE TAKING PLACE ON SOUTHERN
SECTOR OF CLOSED LOW.

.LONG TERM THURSDAY THROUGH SUNDAY
THE PERIOD OPENS WITH A CLOSED H5 LOW OVER SOUTHERN CANADA...AND
TROF AXIS THROUGH MUCH OF THE CENTRAL PLAINS STATES. THURSDAY AND
FRIDAY WILL BE ON THE COOL SIDE WITH H850 TEMPS IN THE SINGLE
DIGITS. EXPECT CU DEVELOP IN THE AFTERNOON HOURS BOTH DAYS WITH
MARGINAL MID LEVEL LAPSE RATES AND COLD H5 TEMPS. THE NORMAL
DIURNAL DRIVEN SHOWERS AND THUNDERSTORMS. THE UPPER LEVEL TROF
PUSHES EAST...ALLOWING FOR A RIDGE TO BUILD INTO THE PLAIN STATES.
THIS RIDGE WILL HELP PUSH TEMPS BACK TO NEAR NORMAL. A SHORT WAVE
RIDE OVER THE RIDGE...BRINGING A CHANCE OF QPF TO THE EASTERN
DAKOTAS AND WESTERN MINNESOTA.

SUNDAY NIGHT THROUGH TUESDAY
GFS AND ECMWF BOTH SHOW A DISTURBANCE PASSING THROUGH THE PATTERN
SUNDAY NIGHT INTO MONDAY. GFS MODEL RUNS NOT TERRIBLY CONSISTENT
AT THIS POINT...AS 06Z RUN SHOWED A CLOSED LOW PASSING TO THE
NORTH AND BACKED IT OFF TO ONLY A SHORTWAVE TROF ON 12Z RUN. FOR
NOW STUCK WITH SLIGHT CHANCE POPS FOR UNCERTAINTY OF TIMING
INTENSITY AND TRACK. RIDGE MOVES OVERHEAD MONDAY
NIGHT...DOMINATING PATTERN THROUGH END OF PERIOD.

&&

.AVIATION...
CONVECTION IS DEVELOPING IN THE WEST PART OF THE STATE. CONDITIONS
WILL QUICKLY DETERIORATE THIS EVENING AS IFR CONDITIONS IN CEILING
AND VISIBILITY BECOME MORE COMMON UNDER CONVECTION.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...FLOOD WATCH THROUGH WEDNESDAY EVENING FOR CAMPBELL-CORSON-DEWEY-
     EDMUNDS-FAULK-MCPHERSON-POTTER-WALWORTH.

     FLOOD WATCH FROM 1 AM CDT WEDNESDAY THROUGH LATE WEDNESDAY NIGHT
     FOR BROWN-DAY-MARSHALL.

MN...NONE.
&&

UPDATE...KEEFE
SHORT TERM...HINTZ
LONG TERM...SD
AVIATION...KEEFE

WEATHER.GOV/ABERDEEN

In the hours before

Local storm report, Jun 10, 11:24 PM CDT, 3 hours 14 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>

Local storm report, Jun 10, 11:53 PM CDT, 2 hours 45 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>

Local storm report, Jun 11, 12:52 AM CDT, 1 hour 46 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>

Local storm report, Jun 11, 1:42 AM CDT, 56 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>

Local storm report, Jun 11, 2:14 AM CDT, 24 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>

Local storm report, Jun 11, 2:27 AM CDT, 11 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 Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 9:24 PM CDT	Severe Thunderstorm Warning	ABR	Corson	36 min
Jun 10, 9:33 PM CDT	Severe Thunderstorm Warning	ABR	McPherson	29 min
Jun 10, 10:17 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson	43 min
Jun 10, 10:19 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, McPherson, Walworth	56 min
Jun 10, 10:31 PM CDT	Areal Flood Advisory	ABR	Campbell, Corson, Dewey	3 hr
Jun 10, 11:02 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson	58 min
Jun 10, 11:29 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson, Walworth	61 min
Jun 11, 12:16 AM CDT	Severe Thunderstorm Warning	ABR	Campbell, Edmunds, McPherson, Walworth	59 min
Jun 11, 12:59 AM CDT	Severe Thunderstorm Warning	ABR	Campbell, Corson, Dewey, McPherson, Walworth	61 min
Jun 11, 1:36 AM CDT	Areal Flood Advisory	ABR	Campbell, Edmunds, McPherson, Walworth	3 hr
Jun 11, 1:39 AM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	66 min
Jun 11, 2:03 AM CDT	Severe Thunderstorm Warning	ABR	Campbell, Edmunds, McPherson, Walworth	36 min
Jun 11, 2:33 AM CDT	Severe Thunderstorm Warning	ABR	Brown, McPherson	57 min
Jun 11, 2:47 AM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	28 min
Jun 11, 2:59 AM CDT	Severe Thunderstorm Warning	ABR	Spink	31 min
Jun 11, 3:31 AM CDT	Severe Thunderstorm Warning	ABR	Brown, Day, Marshall, Spink	44 min
Jun 11, 3:35 AM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk, McPherson, Potter	55 min
Jun 11, 4:09 AM CDT	Severe Thunderstorm Warning	ABR	Faulk, Hand, Spink	66 min
Jun 11, 4:15 AM CDT	Severe Thunderstorm Warning	ABR	Day, Marshall	60 min
Jun 11, 4:27 AM CDT	Areal Flood Advisory	ABR	Brown, Edmunds, Faulk, McPherson, Potter	3 hr
Jun 11, 5:07 AM CDT	Severe Thunderstorm Warning	ABR	Day, Marshall, Roberts	53 min
Jun 11, 5:22 AM CDT	Severe Thunderstorm Warning	ABR	Clark, Spink	23 min
Jun 11, 6:03 AM CDT	Severe Thunderstorm Warning	ABR	Marshall, Roberts	27 min
Jun 11, 9:35 AM CDT	Flash Flood Warning	ABR	Grant, Roberts	6 hr
Jun 11, 1:11 PM CDT	Flash Flood Watch	ABR	Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more	8 hr
Jun 11, 2:57 PM CDT	Severe Thunderstorm Warning	ABR	Campbell	14 min
Jun 11, 3:36 PM CDT	Areal Flood Warning	ABR	Grant, Roberts	12 hr
Jun 11, 10:55 AM CDT	Flash Flood Warning	ABR	Big Stone	5 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.