Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 7, NWS Twin Cities, MN

June 17, 2010Douglas County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 17, 2010, 3:25 PM CDT for Douglas County, Minnesota. It was in force for 20 min. 5 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, 3:25 PM CDT (20:25 UTC)
Expired: Jun 17, 2010, 3:45 PM CDT
In force: 20 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

County Douglas County, MN

The radar

The Minneapolis radar (KMPX), 197 km from the middle of the area, began a volume at 20:24 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, 3:32 PM CDT	HAIL 2.5	Brandon, MN
Jun 17, 3:43 PM CDT	HAIL 3	3 Ssw Millerville, MN
Jun 17, 3:45 PM CDT	TORNADO 4	4 Sw Parkers Prairie, MN	* 1 FATAL, 5 INJ * THIS TORNADO CROSSED FROM DOUGLAS COUNTY NORTHWARD INTO OTTER TAIL COUNTY AND PRODUCED AN ADDITIONAL 38 MILES OF CONTINUOUS DAMAGE PATH... ENDING ABOUT 10 MILES NORTH OF BLUFFTON BY 445 PM CDT. THE TORNADO DESTROYED NUMEROUS HOMES AND FA
Jun 17, 3:45 PM CDT	HAIL 4.25	Millerville, MN
Jun 17, 3:45 PM CDT	TORNADO	3 N Leaf Valley, MN

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

Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 195 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: 2 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 85 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.

799 
WFUS53 KMPX 172025
TORMPX
MNC041-172045-
/O.NEW.KMPX.TO.W.0007.100617T2025Z-100617T2045Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 345 PM CDT

* AT 325 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES SOUTHWEST
  OF BRANDON...AND MOVING NORTHEAST AT 50 MPH. LARGE HAIL UP TO THE  
  SIZE OF TENNIS BALLS IS ALSO LIKELY WITH THIS TORNADIC STORM.

* LOCATIONS IN THE WARNING INCLUDE...
  GARFIELD...
  MELBY...
  MILLERVILLE...
  CARLOS...
  MILTONA...
  ROSE CITY...
  LEAF VALLEY...
  INTERSTATE 94 NEAR BRANDON...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTHERN MINNESOTA.

&&

LAT...LON 4611 9516 4606 9515 4584 9547 4583 9558
      4592 9578 4601 9578 4612 9575
TIME...MOT...LOC 2025Z 213DEG 44KT 4597 9561

$$

TRH

1 follow-up statement

030 
WWUS53 KMPX 172039
SVSMPX

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

MNC041-172045-
/O.CON.KMPX.TO.W.0007.000000T0000Z-100617T2045Z/
DOUGLAS MN-
339 PM CDT THU JUN 17 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN DOUGLAS COUNTY
UNTIL 345 PM CDT...

AT 338 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR MILLERVILLE...OR 14 MILES NORTHWEST OF ALEXANDRIA...
MOVING NORTHEAST AT 40 MPH. HAIL UP TO THE SIZE OF TENNIS BALLS IS 
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
  MILTONA...ROSE CITY AND LEAF VALLEY.

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 9534 4589 9556 4593 9572 4602 9571
      4612 9567 4611 9516 4606 9515
TIME...MOT...LOC 2038Z 208DEG 35KT 4606 9554

$$

TRH/MTF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:50 AM CDT	Special Weather Statement	MPX	Stevens	25 min
Jun 17, 8:11 AM CDT	Special Weather Statement	MPX	Douglas	49 min
Jun 17, 9:15 AM CDT	Special Weather Statement	MPX	Douglas, Todd	90 min
Jun 17, 10:44 AM CDT	Special Weather Statement	MPX	Todd	61 min
Jun 17, 2:20 PM CDT	Special Weather Statement	MPX	Douglas, Pope, Swift	55 min
Jun 17, 2:27 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens	63 min
Jun 17, 2:51 PM CDT	Tornado Warning	MPX	Douglas	39 min
Jun 17, 3:43 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Renville, Sibley	47 min
Jun 17, 3:45 PM CDT	Tornado Warning	MPX	Douglas	30 min
Jun 17, 3:50 PM CDT	Tornado Warning	MPX	Brown, Nicollet, Renville, Sibley	40 min
Jun 17, 3:55 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Watonwan	50 min
Jun 17, 3:59 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Renville	61 min
Jun 17, 4:08 PM CDT	Severe Thunderstorm Warning	MPX	Martin, Watonwan	37 min
Jun 17, 4:08 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	52 min
Jun 17, 4:21 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville, Sibley	54 min
Jun 17, 4:26 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet, Sibley	34 min
Jun 17, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	59 min
Jun 17, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	59 min
Jun 17, 4:40 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Watonwan	50 min
Jun 17, 4:43 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	47 min
Jun 17, 5:02 PM CDT	Tornado Warning	MPX	Meeker, Stearns, Wright	43 min
Jun 17, 5:05 PM CDT	Tornado Warning	MPX	Faribault	25 min
Jun 17, 5:07 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Wright	53 min
Jun 17, 5:20 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs, Sherburne	55 min
Jun 17, 5:25 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Rice, Waseca	65 min
Jun 17, 5:28 PM CDT	Tornado Warning	MPX	Carver, McLeod, Wright	47 min
Jun 17, 5:28 PM CDT	Tornado Warning	MPX	Faribault, Freeborn	32 min
Jun 17, 5:32 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Rice, Waseca	28 min
Jun 17, 5:35 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet	25 min
Jun 17, 5:39 PM CDT	Tornado Warning	MPX	Benton, Sherburne	51 min
Jun 17, 5:44 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Sibley	31 min
Jun 17, 5:56 PM CDT	Tornado Warning	MPX	Faribault, Freeborn	49 min
Jun 17, 5:58 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	17 min
Jun 17, 6:00 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Watonwan	60 min
Jun 17, 6:03 PM CDT	Tornado Warning	MPX	Sherburne, Wright	42 min
Jun 17, 6:07 PM CDT	Tornado Warning	MPX	Benton, Mille Lacs	53 min
Jun 17, 6:09 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville	24 min
Jun 17, 6:15 PM CDT	Special Weather Statement	MPX	Todd	30 min
Jun 17, 6:16 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Nicollet	29 min
Jun 17, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Waseca	62 min
Jun 17, 6:35 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Sherburne, Wright	55 min
Jun 17, 6:36 PM CDT	Tornado Warning	MPX	Blue Earth, Faribault, Waseca	39 min
Jun 17, 6:42 PM CDT	Tornado Warning	MPX	Blue Earth, Nicollet	33 min
Jun 17, 6:44 PM CDT	Tornado Warning	MPX	Freeborn, Steele	46 min
Jun 17, 6:49 PM CDT	Tornado Warning	MPX	Isanti, Kanabec, Mille Lacs, Sherburne	41 min
Jun 17, 6:56 PM CDT	Tornado Warning	MPX	Sherburne	34 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.