Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 33, NWS Sioux Falls, SD

June 11, 2008Lyon County, Murray County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 11, 2008, 6:09 PM CDT for Lyon County, Murray County, Minnesota. It was in force for 36 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, 6:09 PM CDT (23:09 UTC)
Expired
Jun 11, 2008, 6:45 PM CDT
In force
36 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon

Counties Lyon County, MN, Murray County, MN

The radar

The Sioux Falls radar (KFSD), 123 km from the middle of the area, began a volume at 23:11 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, 11.2 hours before the alert went out and 172 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 KFSD 112310
TORFSD
MNC083-101-112345-
/O.NEW.KFSD.TO.W.0033.080611T2309Z-080611T2345Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LYON COUNTY IN SOUTHWEST MINNESOTA
  NORTH CENTRAL MURRAY COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 645 PM CDT

* AT 609 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR TRACY...
  OR 16 MILES NORTH OF SLAYTON...MOVING NORTHEAST AT 43 MPH. ANOTHER
  TORNADIC CIRCULATION WAS LOCATED EAST OF RUSSELL...MOVING NORTHEAST
  AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL LYON COUNTY NEAR TRACY THROUGH 620 PM CDT

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.

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 4461 9560 4420 9559 4415 9568 4435 9587
TIME...MOT...LOC 2309Z 219DEG 37KT 4424 9563

$$

CHAPMAN
1 follow-up statement
000 
WWUS53 KFSD 112340
SVSFSD

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

MNC083-101-112350-
/O.EXP.KFSD.TO.W.0033.000000T0000Z-080611T2345Z/
LYON MN-MURRAY MN-
640 PM CDT WED JUN 11 2008

...THE TORNADO WARNING FOR NORTH CENTRAL MURRAY AND SOUTHEASTERN LYON
COUNTIES WILL EXPIRE AT 645 PM CDT...

THE STORM HAS EXITED THE WARNED AREA.

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 4461 9560 4420 9559 4415 9568 4435 9587
TIME...MOT...LOC 2340Z 219DEG 37KT 4449 9535

$$
BT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:14 AM CDTSevere Thunderstorm WarningFSDNobles31 min
Jun 11, 10:22 AM CDTWind AdvisoryFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more5 hr
Jun 11, 5:42 PM CDTTornado WarningFSDNobles48 min
Jun 11, 5:56 PM CDTTornado WarningFSDCottonwood, Murray49 min
Jun 11, 6:25 PM CDTTornado WarningFSDCottonwood, Murray50 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.