Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 45, NWS Twin Cities, MN

June 25, 20105 counties in Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 25, 2010, 7:42 PM CDT for 5 counties in Minnesota. It was in force for 33 min. 6 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 25, 2010, 7:42 PM CDT (00:42 UTC)
Expired: Jun 25, 2010, 8:15 PM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 114 km from the middle of the area, began a volume at 00:45 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

Time	Report	Where	Remark
Jun 25, 8:06 PM CDT	HAIL 1.75	New Richland, MN
Jun 25, 8:08 PM CDT	TSTM WND DMG	1 Nnw Minnesota Lake, MN	6 INCH BRANCHES AND SMALL TREES DOWN.
Jun 25, 8:09 PM CDT	TSTM WND DMG	Minnesota Lake, MN	POWER LINES AND TREES DOWN
Jun 25, 8:10 PM CDT	TSTM WND DMG	Hartland, MN	TREES AND PWOER LINES DOWN. ELEVATOR 1/2 GONE.
Jun 25, 8:18 PM CDT	TSTM WND DMG	2 Nnw Wells, MN	SEVERAL POWER POLES DOWN...COUNTY ROAD 22.
Jun 25, 8:19 PM CDT	TORNADO	Nnw Hartland, MN	SEVERAL DOZEN TREES BROKEN OR SNAPPED. TOP OF ELEVATOR SHEARED OFF. SEVERAL SHEDS DESTROYED. RATED EF-0.

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.

Issued	Product	Office	Lasted
Jun 25, 3:35 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.7 hours before the alert went out and 114 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1350 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1067 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 13.6

Open this sounding in Storm Lab

The text

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

456 
WFUS53 KMPX 260042
TORMPX
MNC013-043-047-147-161-260115-
/O.NEW.KMPX.TO.W.0045.100626T0042Z-100626T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
742 PM CDT FRI JUN 25 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 815 PM CDT

* AT 740 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 6 MILES NORTHEAST
  OF MINNESOTA LAKE...AND MOVING EAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  ALBERT LEA...
  HAYWARD...
  WELLS...
  OTISCO...
  FREEBORN...
  NEW RICHLAND...
  ALDEN...
  CONGER...
  MANCHESTER...
  ELLENDALE...
  TWIN LAKES...
  GENEVA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR SOUTHERN MINNESOTA AND WEST CENTRAL WISCONSIN.

&&

LAT...LON 4395 9353 4397 9306 4351 9306 4363 9424
      4384 9424 4392 9378
TIME...MOT...LOC 0042Z 287DEG 33KT 4390 9371

$$

1 follow-up statement

301 
WWUS53 KMPX 260047
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
747 PM CDT FRI JUN 25 2010

MNC013-043-047-147-161-260115-
/O.CON.KMPX.TO.W.0045.000000T0000Z-100626T0115Z/
BLUE EARTH MN-WASECA MN-STEELE MN-FARIBAULT MN-FREEBORN MN-
747 PM CDT FRI JUN 25 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR FREEBORN...FARIBAULT...
SOUTHERN STEELE...SOUTHERN WASECA AND SOUTHEASTERN BLUE EARTH
COUNTIES UNTIL 815 PM CDT...

AT 745 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED 6 MILES SOUTHWEST OF OTISCO...OR 16 MILES
SOUTHWEST OF WASECA...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  ALBERT LEA...HAYWARD...OTISCO...FREEBORN...NEW RICHLAND...ALDEN...
  CONGER...MANCHESTER...ELLENDALE...TWIN LAKES...GENEVA...CLARKS
  GROVE...HOLLANDALE...STEELE CENTER...BIXBY...GLENVILLE...MYRTLE...
  BARODA...WALTERS AND MANSFIELD.

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 4395 9353 4397 9306 4351 9306 4363 9424
      4384 9424 4392 9378
TIME...MOT...LOC 0047Z 287DEG 33KT 4388 9365

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 7:09 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	36 min
Jun 25, 7:13 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Waseca	62 min
Jun 25, 7:17 PM CDT	Tornado Warning	MPX	Goodhue	43 min
Jun 25, 7:29 PM CDT	Areal Flood Advisory	MPX	Blue Earth, Brown, Le Sueur, Nicollet, Rice, Sibley and 2 more	3 hr
Jun 25, 7:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Watonwan	60 min
Jun 25, 7:33 PM CDT	Tornado Warning	MPX	Dakota, Goodhue	27 min
Jun 25, 7:37 PM CDT	Tornado Warning	MPX	Blue Earth, Martin, Watonwan	53 min
Jun 25, 8:11 PM CDT	Tornado Warning	MPX	Blue Earth, Faribault, Freeborn, Steele, Waseca	64 min
Jun 25, 8:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	60 min
Jun 25, 8:43 PM CDT	Areal Flood Advisory	MPX	Faribault, Martin, Watonwan	3 hr
Jun 26, 4:34 AM CDT	Flash Flood Watch	MPX	Blue Earth, Brown, Carver, Dakota, Faribault, Freeborn and 14 more	22 hr
Jun 26, 3:28 PM CDT	Special Weather Statement	MPX	Yellow Medicine	47 min
Jun 26, 4:15 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	60 min
Jun 26, 4:43 PM CDT	Areal Flood Advisory	MPX	Chippewa, Lac qui Parle, Renville, Yellow Medicine	4 hr
Jun 26, 5:12 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Redwood, Renville, Yellow Medicine	63 min
Jun 26, 5:45 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Renville, Yellow Medicine	45 min
Jun 26, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Renville	58 min
Jun 26, 6:02 PM CDT	Areal Flood Advisory	MPX	Kandiyohi, Meeker, Redwood, Renville	4 hr
Jun 26, 6:31 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Redwood, Renville	59 min
Jun 26, 6:35 PM CDT	Special Weather Statement	MPX	McLeod	55 min
Jun 26, 6:58 PM CDT	Areal Flood Advisory	MPX	Brown, McLeod, Meeker, Nicollet, Sibley	6 hr

Nearby

Tornado Warnings in Minnesota, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.