Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 11, NWS Twin Cities, MN

August 24, 2006Le Sueur County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 24, 2006, 5:39 PM CDT for Le Sueur County, Minnesota. It was in force for 66 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
Aug 24, 2006, 5:39 PM CDT (22:39 UTC)
Expired
Aug 24, 2006, 6:45 PM CDT
In force
66 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Le Sueur County, MN

The radar

The Minneapolis radar (KMPX), 60 km from the middle of the area, began a volume at 22:40 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

TimeReportWhereRemark
Aug 24, 5:55 PM CDTTORNADO1 S St Peter, MNTREES AND POWER LINES DOWN JUST SOUTH OF ST PETER. POWER SUBSTATION HIT 1 SE OSHAWA.
Aug 24, 6:00 PM CDTTORNADOKasota, MNSTRUCTURAL DAMAGE IN TOWN.

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.

IssuedProductOfficeLasted
Aug 24, 3:17 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 60 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 2006-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1700 joules per kilogram.LCLLFCEL10008507005003002001001 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 2006-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
1700 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
554 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 242239
TORMPX
MNC079-242345-
/O.NEW.KMPX.TO.W.0011.060824T2239Z-060824T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
539 PM CDT THU AUG 24 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 645 PM CDT

* AT 536 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 21
  MILES WEST OF LE CENTER...OR ABOUT 9 MILES WEST OF ST PETER. RADAR
  SHOWED THE TORNADIC STORM MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LE CENTER...
  ST PETER...
  CLEVELAND...
  KASOTA...

TAKE COVER IMMEDIATELY IF YOU ARE IN THE PATH OF THIS TORNADO A 
LARGE TORNADO HAS BEEN SIGHTED

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4437 9392 4425 9402 4425 9357 4445 9371

$$

KAT
2 follow-up statements
000 
WWUS53 KMPX 242249
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
549 PM CDT THU AUG 24 2006

MNC079-242345-
/O.CON.KMPX.TO.W.0011.000000T0000Z-060824T2345Z/
LE SUEUR MN-
549 PM CDT THU AUG 24 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR LE SUEUR 
COUNTY...

AT 547 PM CDT...A TORNADO WAS REPORTED 3 MILES WEST OF ST PETER. IF 
YOU LIVE IN AND NEAR THE CITY OF ST PETER...TAKE COVER IMMEDIATELY 
THIS TORNADO HAS A HISTORY OF PRODUCING DAMAGE IN THE CITY OF 
NICOLLET.

AT 544 PM CDT...THE TORNADO PRODUCING SEVERE THUNDERSTORM WAS 
LOCATED OVER EXTREME EAST CENTRAL NICOLLET COUNTY...OR JUST WEST OF 
ST PETER...AND MOVING EAST AT 35 MPH.

ST PETER IS IN THE DIRECT PATH OF THIS STORM TAKE COVER IMMEDIATELY

OTHER LOCATIONS IN THE WARNING INCLUDE LE CENTER AND KASOTA.

LAT...LON 4437 9392 4425 9402 4425 9357 4445 9371

$$

KAT
000 
WWUS53 KMPX 242301
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
601 PM CDT THU AUG 24 2006

MNC079-242345-
/O.CON.KMPX.TO.W.0011.000000T0000Z-060824T2345Z/
LE SUEUR MN-
601 PM CDT THU AUG 24 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR LE SUEUR
COUNTY...

AT 549 PM CDT...A TORNADO REMAINED ON THE GROUND TO THE EAST 
SOUTHEAST OF THE CITY OF ST PETER...MOVING TO THE EAST AT 35 MPH. 
THIS TORNADO IS LIKELY RAIN WRAPPED...MAKING IT IMPOSSIBLE TO SEE 
BEFORE IT HITS. TAKE COVER IMMEDIATELY IF YOU ARE IN THE PATH OF 
THIS DANGEROUS TORNADO THIS TORNADO HAS PRODUCED DAMAGE IN BOTH 
NICOLLET AND LE SUEUR COUNTIES

OTHER LOCATIONS IN THE WARNING INCLUDE LE CENTER...CLEVELAND.

TAKE COVER IMMEDIATELY IF YOU ARE IN THE PATH OF THIS DAMAGING TORNADO

LAT...LON 4437 9392 4425 9402 4425 9357 4445 9371

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 7:57 AM CDTSevere Thunderstorm WarningMPXMcLeod33 min
Aug 24, 8:06 AM CDTSevere Thunderstorm WarningMPXCarver, Sibley39 min
Aug 24, 8:27 AM CDTSevere Thunderstorm WarningMPXScott48 min
Aug 24, 8:29 AM CDTSevere Thunderstorm WarningMPXMcLeod31 min
Aug 24, 8:42 AM CDTSevere Thunderstorm WarningMPXCarver48 min
Aug 24, 8:48 AM CDTSevere Thunderstorm WarningMPXGoodhue, Rice42 min
Aug 24, 8:55 AM CDTSevere Thunderstorm WarningMPXLe Sueur20 min
Aug 24, 9:04 AM CDTSevere Thunderstorm WarningMPXSibley26 min
Aug 24, 9:13 AM CDTSevere Thunderstorm WarningMPXScott62 min
Aug 24, 9:19 AM CDTSevere Thunderstorm WarningMPXDakota41 min
Aug 24, 9:28 AM CDTSevere Thunderstorm WarningMPXRice47 min
Aug 24, 9:46 AM CDTSevere Thunderstorm WarningMPXGoodhue59 min
Aug 24, 9:53 AM CDTSevere Thunderstorm WarningMPXCarver22 min
Aug 24, 9:59 AM CDTSevere Thunderstorm WarningMPXDakota, Rice61 min
Aug 24, 10:11 AM CDTSevere Thunderstorm WarningMPXScott49 min
Aug 24, 10:37 AM CDTSevere Thunderstorm WarningMPXGoodhue53 min
Aug 24, 10:59 AM CDTSevere Thunderstorm WarningMPXDakota, Rice46 min
Aug 24, 11:12 AM CDTSevere Thunderstorm WarningMPXScott31 min
Aug 24, 11:22 AM CDTSevere Thunderstorm WarningMPXGoodhue53 min
Aug 24, 11:37 AM CDTSevere Thunderstorm WarningMPXRice38 min
Aug 24, 11:40 AM CDTSevere Thunderstorm WarningMPXDakota54 min
Aug 24, 11:55 AM CDTSevere Thunderstorm WarningMPXWright65 min
Aug 24, 12:04 PM CDTSevere Thunderstorm WarningMPXGoodhue41 min
Aug 24, 12:41 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens49 min
Aug 24, 12:48 PM CDTSevere Thunderstorm WarningMPXHennepin57 min
Aug 24, 12:57 PM CDTSevere Thunderstorm WarningMPXWright33 min
Aug 24, 1:39 PM CDTSevere Thunderstorm WarningMPXAnoka66 min
Aug 24, 1:55 PM CDTFlash Flood WatchMPXAnoka, Benton, Carver, Chisago, Dakota, Goodhue and 13 more14 hr
Aug 24, 2:19 PM CDTSevere Thunderstorm WarningMPXStearns21 min
Aug 24, 2:53 PM CDTSevere Thunderstorm WarningMPXBenton37 min
Aug 24, 3:03 PM CDTSevere Thunderstorm WarningMPXRamsey, Washington27 min
Aug 24, 3:07 PM CDTSevere Thunderstorm WarningMPXIsanti23 min
Aug 24, 3:17 PM CDTSevere Thunderstorm WarningMPXMille Lacs28 min
Aug 24, 3:22 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope38 min
Aug 24, 3:26 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti34 min
Aug 24, 3:28 PM CDTSevere Thunderstorm WarningMPXWashington47 min
Aug 24, 3:46 PM CDTSevere Thunderstorm WarningMPXStearns, Todd59 min
Aug 24, 4:26 PM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec, Mille Lacs64 min
Aug 24, 4:42 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns63 min
Aug 24, 5:09 PM CDTTornado WarningMPXNicollet66 min
Aug 24, 5:12 PM CDTSevere Thunderstorm WarningMPXMeeker, Wright63 min
Aug 24, 5:14 PM CDTTornado WarningMPXBlue Earth, Brown16 min
Aug 24, 5:41 PM CDTSevere Thunderstorm WarningMPXSherburne49 min
Aug 24, 5:51 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin54 min
Aug 24, 6:03 PM CDTSevere Thunderstorm WarningMPXRice57 min
Aug 24, 6:22 PM CDTTornado WarningMPXRice53 min
Aug 24, 6:45 PM CDTSevere Thunderstorm WarningMPXLe Sueur45 min
Aug 24, 6:53 PM CDTSevere Thunderstorm WarningMPXGoodhue52 min

Nearby

Tornado Warnings in Minnesota, 2006Every tornado warning in 2006Tornadoes in 2006

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.