Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 20, NWS Twin Cities, MN

June 11, 2008Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 11, 2008, 6:32 PM CDT for Brown County, Redwood County, Minnesota. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2008, 6:32 PM CDT (23:32 UTC)
Expired
Jun 11, 2008, 7:15 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 23:35 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 2:52 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.5 hours before the alert went out and 137 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2008-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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 KMPX 112332
TORMPX
MNC015-127-120015-
/O.NEW.KMPX.TO.W.0020.080611T2332Z-080612T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
632 PM CDT WED JUN 11 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN REDWOOD COUNTY IN SOUTHWEST MINNESOTA...
  NORTHWESTERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 715 PM CDT

* AT 630 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 9 MILES SOUTH OF
  REVERE...OR ABOUT 4 MILES NORTHWEST OF STORDEN...AND MOVING
  NORTHEAST AT 50 MPH.

* SOME LOCATIONS INCLUDE...
  REVERE...
  LAMBERTON...
  SANBORN...
  WANDA...
  SPRINGFIELD...
  WABASSO...
  CLEMENTS...
  COBDEN...
  EVAN...
  MORGAN...
  REDWOOD FALLS...
  
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 YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4419 9513 4418 9545 4419 9547 4457 9509
      4451 9490 4436 9467 4411 9510 4412 9512
TIME...MOT...LOC 2332Z 217DEG 43KT 4411 9534

$$

TRH
2 follow-up statements
000 
WWUS53 KMPX 112346 RRA
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
646 PM CDT WED JUN 11 2008

MNC015-127-120015-
/O.CON.KMPX.TO.W.0020.000000T0000Z-080612T0015Z/
REDWOOD MN-BROWN MN-
646 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHWESTERN BROWN AND EASTERN REDWOOD COUNTIES...

AT 644 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED NEAR LAMBERTON...OR ABOUT 2 MILES SOUTHEAST OF
LAMBERTON...AND MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE 
WANDA...WABASSO...SPRINGFIELD...SANBORN...REVERE...REDWOOD 
FALLS...MORGAN...LAMBERTON AND EVAN.

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 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN MINNESOTA.

LAT...LON 4419 9513 4418 9545 4419 9547 4457 9509
      4451 9490 4436 9467 4411 9510 4412 9512
TIME...MOT...LOC 2346Z 219DEG 39KT 4423 9521

$$
000 
WWUS53 KMPX 120006
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
704 PM CDT WED JUN 11 2008

MNC015-127-120015-
/O.CON.KMPX.TO.W.0020.000000T0000Z-080612T0015Z/
REDWOOD MN-BROWN MN-
704 PM CDT WED JUN 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHWESTERN BROWN AND EASTERN REDWOOD COUNTIES...

AT 659 PM...A TORNADO WAS REPORTED ON THE COTTONWOOD...REDWOOD 
COUNTY LINE JUST SOUTH OF SANBORN.

AT 703 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE TORNADIC SEVERE THUNDERSTORM WAS
LOCATED 5 MILES EAST OF WANDA...AND MOVING NORTHEAST AT 46 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE WANDA...WABASSO...
SPRINGFIELD...SANBORN...REVERE...REDWOOD FALLS...NORTH REDWOOD...
MORGAN...LAMBERTON AND EVAN.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4419 9513 4418 9545 4419 9547 4457 9509
      4451 9490 4436 9467 4411 9510 4412 9512
TIME...MOT...LOC 0004Z 216DEG 40KT 4430 9511

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 2:38 PM CDTSevere Thunderstorm WarningMPXGoodhue, Rice, Steele27 min
Jun 11, 4:26 PM CDTAreal Flood AdvisoryMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more4 hr
Jun 11, 6:06 PM CDTTornado WarningMPXRedwood39 min

Nearby

Tornado Warnings in Minnesota, 2008Every tornado warning in 2008Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.