Alert archive / South Dakota / Tornado Warnings in 2012

Tornado Warning 13, NWS Aberdeen, SD

June 17, 2012Codington County, Deuel County, Hamlin County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 17, 2012, 8:11 PM CDT for Codington County, Deuel County, Hamlin County, South Dakota. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 17, 2012, 8:11 PM CDT (01:11 UTC)
Expired
Jun 17, 2012, 8:45 PM CDT
In force
34 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon

Counties Codington County, SD, Deuel County, SD, Hamlin County, SD

The radar

The Aberdeen radar (KABR), 130 km from the middle of the area, began a volume at 01:12 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.

What was reported inside it

TimeReportWhereRemark
Jun 17, 8:42 PM CDTHAIL 1.75Kranzburg, SD
Jun 17, 8:43 PM CDTHAIL 1Kranzburg, SD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 17, 3:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 111 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 2012-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 985 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2012-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 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
985 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1934 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

529 
WFUS53 KABR 180111
TORABR
SDC029-039-057-180145-
/O.NEW.KABR.TO.W.0013.120618T0111Z-120618T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
811 PM CDT SUN JUN 17 2012

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CODINGTON COUNTY IN NORTHEAST SOUTH DAKOTA...
  NORTHWESTERN DEUEL COUNTY IN NORTHEAST SOUTH DAKOTA...
  NORTHEASTERN HAMLIN COUNTY IN NORTHEAST SOUTH DAKOTA...

* UNTIL 845 PM CDT

* AT 807 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR THOMAS...OR 10 MILES SOUTH OF WATERTOWN. A TORNADO MAY DEVELOP
  AT ANY TIME! DOPPLER RADAR SHOWED THIS TORNADIC STORM MOVING EAST
  AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  KRANZBURG AROUND 830 PM CDT...
  GOODWIN AROUND 835 PM CDT...

THIS WARNING INCLUDES INTERSTATE 29 BETWEEN MILE MARKERS 163 AND 179.

THIS WARNING INCLUDES HIGHWAY 212 BETWEEN MILE MARKERS 377 AND 390.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4498 9686 4471 9676 4475 9721 4484 9725
TIME...MOT...LOC 0111Z 256DEG 28KT 4478 9709

$$
HINTZ
2 follow-up statements
339 
WWUS53 KABR 180121
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
821 PM CDT SUN JUN 17 2012

SDC029-039-057-180145-
/O.CON.KABR.TO.W.0013.000000T0000Z-120618T0145Z/
HAMLIN SD-DEUEL SD-CODINGTON SD-
821 PM CDT SUN JUN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CODINGTON...
NORTHWESTERN DEUEL AND NORTHEASTERN HAMLIN COUNTIES UNTIL 845 PM
CDT...

AT 816 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 
THIS TORNADO WAS LOCATED 5 MILES NORTH OF CASTLEWOOD...OR 12 MILES
SOUTHEAST OF WATERTOWN...MOVING EAST AT 40 MPH.

THE  DEVELOPING TORNADO WILL BE NEAR...
  GOODWIN AROUND 830 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR WEST CENTRAL MINNESOTA AND NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4474 9698 4487 9708 4498 9686 4471 9676
TIME...MOT...LOC 0122Z 254DEG 33KT 4481 9692

$$
HINTZ
272 
WWUS53 KABR 180142
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
842 PM CDT SUN JUN 17 2012

SDC029-039-057-180152-
/O.EXP.KABR.TO.W.0013.000000T0000Z-120618T0145Z/
HAMLIN SD-DEUEL SD-CODINGTON SD-
842 PM CDT SUN JUN 17 2012

...THE TORNADO WARNING FOR SOUTHEASTERN CODINGTON...NORTHWESTERN
DEUEL AND NORTHEASTERN HAMLIN COUNTIES WILL EXPIRE AT 845 PM CDT/745
PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR WEST CENTRAL MINNESOTA AND NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4474 9698 4487 9708 4498 9686 4471 9676
TIME...MOT...LOC 0142Z 254DEG 33KT 4486 9667

$$
HINTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:02 PM CDTSevere Thunderstorm WarningABRDay, Grant, Roberts43 min
Jun 17, 7:18 PM CDTSevere Thunderstorm WarningABRRoberts27 min
Jun 17, 7:24 PM CDTSevere Thunderstorm WarningABRClark, Codington, Hamlin51 min
Jun 17, 7:25 PM CDTSevere Thunderstorm WarningABRCodington, Deuel, Grant, Roberts50 min
Jun 17, 7:48 PM CDTTornado WarningABRGrant, Roberts27 min
Jun 17, 8:05 PM CDTSevere Thunderstorm WarningABRCodington, Deuel, Grant, Hamlin40 min
Jun 17, 8:11 PM CDTSevere Thunderstorm WarningABRCodington, Deuel, Grant, Roberts58 min
Jun 17, 8:45 PM CDTSevere Thunderstorm WarningABRCodington, Deuel, Grant30 min

Nearby

Tornado Warnings in South Dakota, 2012Every tornado warning in 2012Tornadoes in 2012

Sources

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