Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 36, NWS Sioux Falls, SD

June 11, 2008Cottonwood County, Murray County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 11, 2008, 6:25 PM CDT for Cottonwood County, Murray County, Minnesota. It was in force for 50 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 11, 2008, 6:25 PM CDT (23:25 UTC)
Expired: Jun 11, 2008, 7:15 PM CDT
In force: 50 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon

Counties Cottonwood County, MN, Murray County, MN

The radar

The Sioux Falls radar (KFSD), 132 km from the middle of the area, began a volume at 23:25 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 11, 6:30 PM CDT	TSTM WND GST 80	4 S Westbrook, MN
Jun 11, 6:43 PM CDT	TORNADO	4 N Jeffers, MN
Jun 11, 6:44 PM CDT	TORNADO	5 N Jeffers, MN	DEBRIS CLOUD...TORNADO ON THE GROUND
Jun 11, 6:45 PM CDT	TORNADO	7 Nne Jeffers, MN	TREE GROVE DAMAGED
Jun 11, 6:50 PM CDT	TORNADO	7 Nne Jeffers, MN	TREE GROVE DAMAGED
Jun 11, 6:57 PM CDT	TORNADO	5 N Jeffers, MN	DEBRIS CLOUD...TORNADO ON THE GROUND

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 11, 2:52 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.4 hours before the alert went out and 155 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 792 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 394 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFSD 112325
TORFSD
MNC033-101-120015-
/O.NEW.KFSD.TO.W.0036.080611T2325Z-080612T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
625 PM CDT WED JUN 11 2008

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA
  SOUTHEASTERN MURRAY COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 715 PM CDT

* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
  WESTBROOK...OR 15 MILES EAST OF SLAYTON...MOVING NORTHEAST AT 34
  MPH.

* THE TORNADO WILL BE NEAR...
   WESTBROOK AROUND 630 PM CDT...
   STORDEN AROUND 635 PM CDT...
   JEFFERS AROUND 645 PM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4385 9539 4385 9562 4421 9534 4420 9514
      4421 9514 4421 9511 4420 9510 4417 9509
      4411 9509
TIME...MOT...LOC 2325Z 219DEG 29KT 4399 9542

$$
BT

5 follow-up statements

000 
WWUS53 KFSD 112331
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
631 PM CDT WED JUN 11 2008

MNC033-101-120015-
/O.CON.KFSD.TO.W.0036.000000T0000Z-080612T0015Z/
MURRAY MN-COTTONWOOD MN-
631 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR WESTERN
COTTONWOOD AND SOUTHEASTERN MURRAY COUNTIES...

AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WESTBROOK...OR 17
MILES NORTHWEST OF WINDOM...MOVING NORTHEAST AT 33 MPH.

THE TORNADO WILL BE NEAR...
   JEFFERS AROUND 645 PM CDT...

AT 630 PM...DAMAGING WINDS UP TO 80 MPH WERE REPORTED IN 4 MILES 
SOUTH OF WESTBROOK WITH THIS STORM. THIS IS A DANGEROUS STORM...SEEK 
SAFE SHELTER AND STAY AWAY FROM WINDOWS

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4385 9539 4385 9562 4421 9534 4420 9514
      4421 9514 4421 9511 4420 9510 4417 9509
      4411 9509
TIME...MOT...LOC 2331Z 219DEG 29KT 4403 9538

$$
BT

000 
WWUS53 KFSD 112337
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
637 PM CDT WED JUN 11 2008

MNC033-101-120015-
/O.CON.KFSD.TO.W.0036.000000T0000Z-080612T0015Z/
MURRAY MN-COTTONWOOD MN-
637 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR WESTERN
COTTONWOOD AND SOUTHEASTERN MURRAY COUNTIES...

AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR STORDEN...OR 17
MILES NORTHWEST OF WINDOM...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  RURAL COTTONWOOD COUNTY THROUGH 655 PM CDT

THIS STORM CONTINUES TO EXHIBIT STRONG ROTATION. IF YOU ARE IN THE 
PATH OF THIS STORM...SEEK SHELTER NOW AND STAY AWAY FROM WINDOWS. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4385 9539 4385 9562 4421 9534 4420 9514
      4421 9514 4421 9511 4420 9510 4417 9509
      4411 9509
TIME...MOT...LOC 2337Z 219DEG 35KT 4408 9532

$$

BT

000 
WWUS53 KFSD 112348
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
648 PM CDT WED JUN 11 2008

MNC033-101-120015-
/O.CON.KFSD.TO.W.0036.000000T0000Z-080612T0015Z/
MURRAY MN-COTTONWOOD MN-
648 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR WESTERN
COTTONWOOD AND SOUTHEASTERN MURRAY COUNTIES...

AT 648 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 7 MILES NORTH OF
JEFFERS...OR 21 MILES NORTH OF WINDOM...MOVING NORTHEAST AT 40 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4385 9539 4385 9562 4421 9534 4420 9514
      4421 9514 4421 9511 4420 9510 4417 9509
      4411 9509
TIME...MOT...LOC 2348Z 219DEG 35KT 4416 9522

$$
BT

000 
WWUS53 KFSD 120001
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
659 PM CDT WED JUN 11 2008

MNC033-101-120015-
/O.CON.KFSD.TO.W.0036.000000T0000Z-080612T0015Z/
MURRAY MN-COTTONWOOD MN-
659 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR WESTERN
COTTONWOOD AND SOUTHEASTERN MURRAY COUNTIES...

AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 8 MILES NORTHEAST OF
JEFFERS...OR 20 MILES NORTH OF WINDOM...MOVING NORTHEAST AT 34 MPH.

AT 652 PM...LAW ENFORCEMENT REPORTED A TORNADO 6 MILES NORTHWEST OF 
JEFFERS.  A SECOND TORNADO WAS REPORTED 5 MILES NORTH OF JEFFERES AT 
657 PM. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4385 9539 4385 9562 4421 9534 4420 9514
      4421 9514 4421 9511 4420 9510 4417 9509
      4411 9509
TIME...MOT...LOC 2359Z 212DEG 30KT 4417 9511

$$
BT

000 
WWUS53 KFSD 120013
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
712 PM CDT WED JUN 11 2008

IAC041-059-120030-
/O.CON.KFSD.TO.W.0038.000000T0000Z-080612T0030Z/
DICKINSON IA-CLAY IA-
712 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR CLAY AND
SOUTHEASTERN DICKINSON COUNTIES...

AT 712 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED 5 MILES NORTH OF DICKENS...OR 8 MILES NORTHEAST
OF SPENCER...MOVING NORTHEAST AT 41 MPH.

THE TORNADO WILL BE NEAR...
   TERRIL AROUND 720 PM CDT...

AT 655 PM CDT...A FARM WAS EXTENSIVELY DAMAGED 3 MILES SOUTHWEST OF 
SPENCER.

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4297 9523 4305 9532 4342 9492 4317 9492
TIME...MOT...LOC 0012Z 227DEG 35KT 4322 9500

$$

CHAPMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:14 AM CDT	Severe Thunderstorm Warning	FSD	Nobles	31 min
Jun 11, 10:22 AM CDT	Wind Advisory	FSD	Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more	5 hr
Jun 11, 5:42 PM CDT	Tornado Warning	FSD	Nobles	48 min
Jun 11, 5:56 PM CDT	Tornado Warning	FSD	Cottonwood, Murray	49 min
Jun 11, 6:09 PM CDT	Tornado Warning	FSD	Lyon, Murray	36 min

Nearby

Tornado Warnings in Minnesota, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.