Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 18, NWS Twin Cities, MN

June 17, 2010Benton County, Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 17, 2010, 6:07 PM CDT for Benton County, Mille Lacs County, Minnesota. It was in force for 53 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, 2010, 6:07 PM CDT (23:07 UTC)
Expired: Jun 17, 2010, 7:00 PM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Benton County, MN, Mille Lacs County, MN

The radar

The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 23:10 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, 6:37 PM CDT	FUNNEL CLOUD	Milaca, MN	CR 12 AND 1 S OF TOWN LOW HANGING SLOWLY ROTATING WALL CLOUD.
Jun 17, 6:43 PM CDT	FUNNEL CLOUD	Milaca, MN	LOW WALL CLOUD WITH GOOD INFLOW NO ROTATION AT 2ND AND 4TH ST.

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, 11.1 hours before the alert went out and 110 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.

446 
WFUS53 KMPX 172307
TORMPX
MNC009-095-180000-
/O.NEW.KMPX.TO.W.0018.100617T2307Z-100618T0000Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN BENTON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 700 PM CDT

* AT 606 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES SOUTH OF
  RONNEBY...OR ABOUT 4 MILES SOUTHEAST OF FOLEY...AND MOVING
  NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  PRINCETON...
  MILACA...
  RONNEBY...
  PEASE...
  FORESTON...
  BOCK...

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 4598 9345 4597 9352 4556 9351 4556 9387
      4575 9390 4580 9378 4599 9362 4599 9344
TIME...MOT...LOC 2307Z 220DEG 32KT 4564 9384

$$

TRH

2 follow-up statements

097 
WWUS53 KMPX 172320
SVSMPX

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

MNC009-095-180000-
/O.CON.KMPX.TO.W.0018.000000T0000Z-100618T0000Z/
MILLE LACS MN-BENTON MN-
620 PM CDT THU JUN 17 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN BENTON AND
SOUTHERN MILLE LACS COUNTIES UNTIL 700 PM CDT...

NEAR 617 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO EAST 
OF FOLEY.  THIS TORNADIC STORM WAS NOW LOCATED NEAR RONNEBY...OR 10 
MILES SOUTHWEST OF MILACA...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  MILACA...FORESTON...PEASE AND BOCK.

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 4599 9344 4598 9345 4597 9352 4556 9351
      4563 9388 4565 9389 4575 9390 4580 9378
      4599 9362
TIME...MOT...LOC 2320Z 222DEG 29KT 4571 9378

$$

TRH/MTF

258 
WWUS53 KMPX 172345
SVSMPX

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

MNC009-172355-
/O.CAN.KMPX.TO.W.0018.000000T0000Z-100618T0000Z/
BENTON MN-
645 PM CDT THU JUN 17 2010

...THE TORNADO WARNING FOR NORTHEASTERN BENTON COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF BENTON COUNTY.

LAT...LON 4598 9349 4597 9352 4556 9351 4556 9355
      4560 9371 4595 9362
TIME...MOT...LOC 2345Z 225DEG 28KT 4582 9355

$$

MNC095-180000-
/O.CON.KMPX.TO.W.0018.000000T0000Z-100618T0000Z/
MILLE LACS MN-
645 PM CDT THU JUN 17 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL MILLE LACS
COUNTY UNTIL 700 PM CDT...

AT 645 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM 
WAS LOCATED 5 MILES NORTHEAST OF MILACA...MOVING NORTHEAST AT 30 
MPH. MULTIPLE REPORTS OF WALL CLOUDS HAVE BEEN RECEIVED WITH THIS 
STORM.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OFEASTERN MILLE LACS COUNTY.

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 4598 9349 4597 9352 4556 9351 4556 9355
      4560 9371 4595 9362
TIME...MOT...LOC 2345Z 225DEG 28KT 4582 9355

$$

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, 3:25 PM CDT	Tornado Warning	MPX	Douglas	20 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, 6:09 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.