Alert archive / Minnesota / Tornado Warnings in 2012

Tornado Warning 10, NWS Aberdeen, SD

June 17, 2012Traverse County, Minnesota

NWS Aberdeen, SD issued this tornado warning at Jun 17, 2012, 6:42 PM CDT for Traverse County, Minnesota. It was in force for 33 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, 6:42 PM CDT (23:42 UTC)
Expired
Jun 17, 2012, 7:15 PM CDT
In force
33 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon

County Traverse County, MN

The radar

The Aberdeen radar (KABR), 171 km from the middle of the area, began a volume at 23:45 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, 6:52 PM CDTTORNADO11 Ne Wheaton, MN
Jun 17, 6:56 PM CDTFUNNEL CLOUD3 Wnw Norcross, MNA PERSISTENT FUNNEL WAS SEEN APPROACHING THE NORCROSS AREA FROM EASTERN TRAVERSE COUNTY FOR SEVERAL MINUTES BEFORE IT CROSSED INTO WESTERN GRANT COUNTY.

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, 11.7 hours before the alert went out and 199 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.

580 
WFUS53 KABR 172342
TORABR
MNC155-180015-
/O.NEW.KABR.TO.W.0010.120617T2342Z-120618T0015Z/

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

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN TRAVERSE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 715 PM CDT

* AT 640 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 7 MILES
  NORTHEAST OF WHEATON. DOPPLER RADAR SHOWED THIS TORNADO MOVING
  NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  CHARLESVILLE AND TINTAH AROUND 655 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4594 9626 4593 9625 4586 9624 4582 9644
      4595 9653 4603 9632 4602 9626
TIME...MOT...LOC 2343Z 239DEG 26KT 4588 9635

$$
2 follow-up statements
947 
WWUS53 KABR 172355
SVSABR

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

MNC155-180015-
/O.CON.KABR.TO.W.0010.000000T0000Z-120618T0015Z/
TRAVERSE MN-
655 PM CDT SUN JUN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN TRAVERSE
COUNTY UNTIL 715 PM CDT...

AT 654 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED NEAR CHARLESVILLE...OR 10 MILES NORTHEAST OF
WHEATON...MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  TINTAH AROUND 700 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4594 9626 4593 9625 4582 9644 4595 9653
      4603 9632 4602 9626
TIME...MOT...LOC 2355Z 234DEG 29KT 4594 9629

$$
HINTZ
536 
WWUS53 KABR 180010
SVSABR

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

MNC155-180020-
/O.EXP.KABR.TO.W.0010.000000T0000Z-120618T0015Z/
TRAVERSE MN-
710 PM CDT SUN JUN 17 2012

...THE TORNADO WARNING FOR NORTHEASTERN TRAVERSE COUNTY WILL EXPIRE
AT 715 PM CDT/615 PM MDT/...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.

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

LAT...LON 4594 9626 4593 9625 4582 9644 4595 9653
      4603 9632 4602 9626
TIME...MOT...LOC 0010Z 234DEG 29KT 4601 9615

$$
HINTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 5:50 PM CDTSevere Thunderstorm WarningABRTraverse40 min
Jun 17, 6:05 PM CDTSevere Thunderstorm WarningABRBig Stone, Traverse40 min
Jun 17, 6:32 PM CDTSevere Thunderstorm WarningABRTraverse28 min
Jun 17, 6:40 PM CDTSevere Thunderstorm WarningABRBig Stone, Traverse65 min
Jun 17, 6:46 PM CDTTornado WarningABRBig Stone, Traverse34 min

Nearby

Tornado Warnings in Minnesota, 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.