Alert archive / South Dakota / Tornado Warnings in 2012

Tornado Warning 7, NWS Aberdeen, SD

June 17, 2012Marshall County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 17, 2012, 5:34 PM CDT for Marshall County, South Dakota. It was in force for 26 min. 1 report 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, 5:34 PM CDT (22:34 UTC)
Expired
Jun 17, 2012, 6:00 PM CDT
In force
26 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon

County Marshall County, SD

The radar

The Aberdeen radar (KABR), 93 km from the middle of the area, began a volume at 22:36 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, 5:55 PM CDTHAIL 2.57 Sw Veblen, 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 12:00Z, 10.6 hours before the alert went out and 134 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 2012-06-17Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2012-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2160 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
545 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.

261 
WFUS53 KABR 172234
TORABR
SDC091-172300-
/O.NEW.KABR.TO.W.0007.120617T2234Z-120617T2300Z/

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

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MARSHALL COUNTY IN NORTHEAST SOUTH DAKOTA...

* UNTIL 600 PM CDT

* AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR HILLHEAD...OR 15 MILES EAST OF BRITTON...AND
  MOVING NORTHEAST AT 25 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  VEBLEN AROUND 550 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.

&&

LAT...LON 4593 9724 4575 9723 4577 9752 4593 9759
TIME...MOT...LOC 2234Z 238DEG 21KT 4585 9743

$$
HINTZ
1 follow-up statement
788 
WWUS53 KABR 172247
SVSABR

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

SDC091-172300-
/O.CON.KABR.TO.W.0007.000000T0000Z-120617T2300Z/
MARSHALL SD-
547 PM CDT SUN JUN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN MARSHALL
COUNTY UNTIL 600 PM CDT...

AT 546 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR HILLHEAD...OR 18 MILES EAST OF BRITTON...
MOVING EAST AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  VEBLEN AROUND 555 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 4577 9746 4593 9749 4593 9724 4575 9723
TIME...MOT...LOC 2247Z 264DEG 20KT 4582 9736

$$
HINTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 5:06 PM CDTSevere Thunderstorm WarningABRMarshall39 min
Jun 17, 5:12 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson63 min
Jun 17, 5:32 PM CDTSevere Thunderstorm WarningABRBrown, Day, Marshall58 min
Jun 17, 5:45 PM CDTSevere Thunderstorm WarningABRMarshall45 min
Jun 17, 5:50 PM CDTSevere Thunderstorm WarningABRRoberts40 min
Jun 17, 5:53 PM CDTSevere Thunderstorm WarningABRBrown, Day, Marshall47 min
Jun 17, 5:53 PM CDTSevere Thunderstorm WarningABRDay, Marshall, Roberts52 min
Jun 17, 5:59 PM CDTTornado WarningABRMarshall, Roberts31 min
Jun 17, 6:05 PM CDTSevere Thunderstorm WarningABRRoberts40 min
Jun 17, 6:13 PM CDTTornado WarningABRBrown, Day23 min
Jun 17, 6:40 PM CDTSevere Thunderstorm WarningABRDay, Marshall, Roberts65 min
Jun 17, 6:46 PM CDTTornado WarningABRRoberts34 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.