Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 27, NWS Twin Cities, MN

June 17, 2010Freeborn County, Steele County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 17, 2010, 7:28 PM CDT for Freeborn County, Steele County, Minnesota. It was in force for 47 min. 10 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, 2010, 7:28 PM CDT (00:28 UTC)
Expired: Jun 17, 2010, 8:15 PM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Freeborn County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 122 km from the middle of the area, began a volume at 00:28 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 17, 7:35 PM CDT	TORNADO	2 S Ellendale, MN
Jun 17, 7:44 PM CDT	TORNADO	2 Nw Ellendale, MN	RAIN WRAPPED.
Jun 17, 7:46 PM CDT	FUNNEL CLOUD	2 Nnw Hayward, MN
Jun 17, 7:47 PM CDT	TORNADO	4 Sw Hollandale, MN	NWS STORM SURVEY DETERMINED AN EF-3 TORNADO OCCURRED WITH A PATH OF APPROXIMATELY NINE MILES. SEVERE DAMAGE WAS DONE TO MULTIPLE HOUSES AND LARGE OUTBUILDINGS...INCLUDING THE COMPLETE LEVELING OF ONE HOUSE.
Jun 17, 7:50 PM CDT	TORNADO	2 Nnw Ellendale, MN	FARM DAMAGED LOOKS LIKE 1/4 MILE WIDE
Jun 17, 7:50 PM CDT	TORNADO	5 Wnw Steele Center, MN	2 SE HOPE MN
Jun 17, 7:54 PM CDT	TORNADO	3 W Hollandale, MN	ALONG HIGHWAY 251.
Jun 17, 7:58 PM CDT	TORNADO	Geneva, MN	NWS STORM SURVEY TEAM DETERMINED AN EF-3 TORNADO OCCURRED WITH A PATH LENGTH OF APPROXIMATELY EIGHT MILES. DAMAGE INCLUDED ONE HOUSE LEVELED...NUMEROUS OUTBUILDINGS DESTROYED...AND MANY LARGE TREES SNAPPED.
Jun 17, 8:15 PM CDT	TORNADO	1 W Blooming Prairie, MN
Jun 17, 8:24 PM CDT	TORNADO	3 Nw Blooming Prairie, MN	* 1 INJ * NWS STORM SURVEY TEAM DETERMINED AN EF-2 TORNADO OCCURRED WITH A PATH LENGTH OF APPROXIMATELY TWO AND A HALF MILES. IT DISSIPATED INTO WESTERN DODGE COUNTY. A MANUFACTURED HOME AND SEVERAL SHEDS AND OUTBUILDINGS WERE DESTROYED.

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 17, 1:54 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.5 hours before the alert went out and 338 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: 1494 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1231 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 271 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

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

544 
WFUS53 KMPX 180028
TORMPX
MNC047-147-180115-
/O.NEW.KMPX.TO.W.0027.100618T0028Z-100618T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
728 PM CDT THU JUN 17 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 815 PM CDT

* AT 724 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 3 MILES
  NORTH OF CLARKS GROVE. RADAR SHOWED THE TORNADIC STORM MOVING   
  NORTHEAST AT 25 MPH. ANOTHER TORNADO WAS NEAR ALBERT LEA...MOVING 
  NORTHEAST AT 25 MPH. 

* LOCATIONS IN THE WARNING INCLUDE...
  GENEVA...
  ELLENDALE...
  STEELE CENTER...
  BIXBY...
  ALBERT LEA...
  CLARKS GROVE...
  HOLLANDALE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 900 PM CDT THURSDAY EVENING
FOR SOUTHERN MINNESOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM CDT FRIDAY MORNING FOR NORTHWESTERN WISCONSIN.

&&

LAT...LON 4351 9365 4384 9363 4386 9358 4385 9341
      4393 9341 4406 9306 4352 9307
TIME...MOT...LOC 0028Z 216DEG 20KT 4382 9330

$$

2 follow-up statements

948 
WWUS53 KMPX 180043
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
743 PM CDT THU JUN 17 2010

MNC047-147-180115-
/O.CON.KMPX.TO.W.0027.000000T0000Z-100618T0115Z/
STEELE MN-FREEBORN MN-
743 PM CDT THU JUN 17 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR FREEBORN AND SOUTHERN
STEELE COUNTIES UNTIL 815 PM CDT...

AT 737 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS
WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS TORNADO
WAS LOCATED NEAR ELLENDALE...OR 15 MILES NORTH OF HAYWARD...MOVING
NORTHEAST AT 25 MPH.

ANOTHER LARGE AND EXTREMELY DANGEROUS TORNADO WAS LOCATED JUST 
NORTHEAST OF ALBERT LEA...MOVING NORTHEAST AT 25 MPH. 

LOCATIONS IMPACTED INCLUDE...
  STEELE CENTER...BIXBY...CLARKS GROVE AND ELLENDALE.

LAT...LON 4351 9365 4384 9363 4386 9358 4385 9341
      4393 9341 4406 9306 4352 9307
TIME...MOT...LOC 0042Z 223DEG 23KT 4389 9322

$$

736 
WWUS53 KMPX 180101
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
801 PM CDT THU JUN 17 2010

MNC047-147-180115-
/O.CON.KMPX.TO.W.0027.000000T0000Z-100618T0115Z/
STEELE MN-FREEBORN MN-
801 PM CDT THU JUN 17 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR FREEBORN AND SOUTHERN
STEELE COUNTIES UNTIL 815 PM CDT...

AT 756 PM CDT...NATIONAL WEATHER SERVICE RADAR AND STORM SPOTTERS
WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS TORNADO 
WAS LOCATED 5 MILES NORTH OF HOLLANDALE...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  STEELE CENTER AND BIXBY.

LAT...LON 4351 9365 4384 9363 4386 9358 4385 9341
      4393 9341 4406 9306 4352 9307
TIME...MOT...LOC 0101Z 229DEG 27KT 4382 9315

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:00 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey	35 min
Jun 17, 7:10 PM CDT	Tornado Warning	MPX	Steele, Waseca	50 min
Jun 17, 7:12 PM CDT	Special Weather Statement	MPX	Chisago, Washington	2 hr
Jun 17, 7:13 PM CDT	Tornado Warning	MPX	Blue Earth, Steele, Waseca	47 min
Jun 17, 7:52 PM CDT	Tornado Warning	MPX	Steele	23 min
Jun 17, 7:55 PM CDT	Flash Flood Warning	MPX	Freeborn, Steele, Waseca	6 hr
Jun 17, 8:00 PM CDT	Areal Flood Advisory	MPX	Blue Earth, Faribault, Le Sueur, Nicollet, Rice	6 hr
Jun 17, 8:02 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	43 min
Jun 17, 8:11 PM CDT	Tornado Warning	MPX	Steele	34 min
Jun 17, 8:13 PM CDT	Tornado Warning	MPX	Freeborn	32 min
Jun 17, 8:34 PM CDT	Tornado Warning	MPX	Chisago	26 min

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.