Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 48, NWS Twin Cities, MN

June 26, 2010Le Sueur County, Rice County, Scott County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 26, 2010, 9:11 PM CDT for Le Sueur County, Rice County, Scott County, Minnesota. It was in force for 34 min. 3 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 26, 2010, 9:11 PM CDT (02:11 UTC)
Expired
Jun 26, 2010, 9:45 PM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Le Sueur County, MN, Rice County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 37 km from the middle of the area, began a volume at 02:14 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
Jun 26, 9:11 PM CDTTORNADO3 W Heidelberg, MNDAMAGE SURVEY DETERMINED TORNADO PRODUCED EF0 DAMAGE. TRAVELED FOR 0.5 MILE TO THE EAST...DESTROYING TWO CHICKEN SHEDS...TAKING THE ROOF OFF OF ANOTHER SHED...AND DOWNING SEVERAL TREES.
Jun 26, 9:20 PM CDTTORNADO1 S New Prague, MNDAMAGE SURVEY DETERMINED TORNADO PRODUCED EF-0 DAMAGE. TRAVELED FOR 1.25 MILES TO THE EAST...PARTIALLY REMOVING SIDING FROM HOUSES...SOFFITS...AND DENTING SEVERAL GARAGE DOORS. ALSO BROKE A COUPLE DOZEN TREES.
Jun 26, 9:35 PM CDTTORNADO4 W New Market, MNAN NWS STORM SURVEY TEAM DETERMINED THAT AN EF-0 TORNADO OCCURRED. SEVERAL GROVES OF TREES WERE SNAPPED OFF NEAR THE BASE. THE TOP OF A SILO WAS ALSO RIPPED OFF...AND A GARAGE DOOR WAS PUSHED INWARD.

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
Jun 26, 7:56 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.2 hours before the alert went out and 38 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 00:00Z on 2010-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1959 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2010-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
1959 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

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

205 
WFUS53 KMPX 270211
TORMPX
MNC079-131-139-270245-
/O.NEW.KMPX.TO.W.0048.100627T0211Z-100627T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
911 PM CDT SAT JUN 26 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHEASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 945 PM CDT

* AT 909 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG
  ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES WEST OF
  HEIDELBERG...OR ABOUT 6 MILES NORTH OF LE CENTER...AND MOVING EAST
  AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  MONTGOMERY...
  NEW PRAGUE...
  ST BENEDICT...
  HELENA...
  VESELI...
  LONSDALE...
  WEBSTER...
  NEW MARKET...
  ELKO...
  HEIDELBERG...

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.

&&

LAT...LON 4453 9386 4467 9332 4463 9332 4462 9329
      4448 9329 4448 9314 4447 9314 4436 9379
TIME...MOT...LOC 0211Z 253DEG 33KT 4447 9369

$$
2 follow-up statements
319 
WWUS53 KMPX 270221
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
921 PM CDT SAT JUN 26 2010

MNC079-131-139-270245-
/O.CON.KMPX.TO.W.0048.000000T0000Z-100627T0245Z/
SCOTT MN-LE SUEUR MN-RICE MN-
921 PM CDT SAT JUN 26 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RICE...
NORTHEASTERN LE SUEUR AND SOUTHEASTERN SCOTT COUNTIES UNTIL 945 PM
CDT...

AT 919 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR NEW PRAGUE...OR 21 MILES NORTHEAST OF ST PETER...
MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  NEW PRAGUE...HELENA...ST BENEDICT...VESELI...LONSDALE...WEBSTER...
  NEW MARKET AND ELKO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4448 9329 4444 9363 4456 9373 4467 9332
      4463 9332 4462 9329
TIME...MOT...LOC 0221Z 244DEG 32KT 4452 9360

$$
770 
WWUS53 KMPX 270229
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
929 PM CDT SAT JUN 26 2010

MNC079-131-270240-
/O.CAN.KMPX.TO.W.0048.000000T0000Z-100627T0245Z/
LE SUEUR MN-RICE MN-
929 PM CDT SAT JUN 26 2010

...THE TORNADO WARNING FOR NORTHWESTERN RICE AND NORTHEASTERN LE
SUEUR COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT THE WARNED AREA.

LAT...LON 4455 9329 4454 9353 4460 9357 4467 9332
      4463 9332 4462 9329
TIME...MOT...LOC 0230Z 244DEG 32KT 4456 9349

$$

MNC139-270245-
/O.CON.KMPX.TO.W.0048.000000T0000Z-100627T0245Z/
SCOTT MN-
929 PM CDT SAT JUN 26 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN SCOTT COUNTY
UNTIL 945 PM CDT...

AT 928 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR NEW PRAGUE...OR 21 MILES NORTHWEST OF FARIBAULT...
MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  NEW MARKET AND ELKO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 4455 9329 4454 9353 4460 9357 4467 9332
      4463 9332 4462 9329
TIME...MOT...LOC 0230Z 244DEG 32KT 4456 9349

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 7:39 PM CDTSpecial Weather StatementMPXBrown, Nicollet, Watonwan51 min
Jun 26, 7:59 PM CDTSpecial Weather StatementMPXCarver, Hennepin, Scott61 min
Jun 26, 8:03 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Le Sueur, Nicollet, Sibley, Watonwan57 min
Jun 26, 8:15 PM CDTFlash Flood WarningMPXBlue Earth, Faribault, Martin, Watonwan4 hr
Jun 26, 8:17 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Watonwan43 min
Jun 26, 8:22 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Scott, Sibley53 min
Jun 26, 8:45 PM CDTTornado WarningMPXBlue Earth, Nicollet30 min
Jun 26, 8:50 PM CDTFlash Flood WarningMPXDakota, Freeborn, Le Sueur, Rice, Scott, Steele and 1 more5 hr
Jun 26, 8:51 PM CDTSevere Thunderstorm WarningMPXDakota, Le Sueur, Rice, Scott84 min
Jun 26, 9:00 PM CDTAreal Flood AdvisoryMPXCarver5 hr
Jun 26, 9:00 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Freeborn, Martin, Steele, Waseca60 min
Jun 26, 9:35 PM CDTTornado WarningMPXSteele, Waseca25 min
Jun 26, 9:42 PM CDTTornado WarningMPXDakota, Scott48 min
Jun 26, 9:45 PM CDTFlash Flood WarningMPXGoodhue4 hr
Jun 26, 9:47 PM CDTTornado WarningMPXFaribault, Freeborn, Steele, Waseca28 min
Jun 26, 9:53 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Washington82 min
Jun 26, 9:56 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Steele, Waseca49 min
Jun 26, 10:14 PM CDTAreal Flood AdvisoryMPXWashington4 hr
Jun 26, 10:40 PM CDTSevere Thunderstorm WarningMPXGoodhue61 min
Jun 26, 10:57 PM CDTFlash Flood WarningMPXHennepin, Ramsey, Washington3 hr
Jun 27, 12:31 AM CDTSpecial Weather StatementMPXDakota, Goodhue, Ramsey, Washington59 min
Jun 27, 10:42 AM CDTRiver Flood WarningMPXBlue Earth, Brown, Nicollet4 days
Jun 27, 10:42 AM CDTRiver Flood WarningMPXBlue Earth, Brown, Nicollet9 days
Jun 27, 10:42 AM CDTRiver Flood WarningMPXLe Sueur, Scott, Sibley8 days
Jun 27, 10:42 AM CDTRiver Flood WarningMPXCarver, Scott11 days
Jun 27, 10:42 AM CDTRiver Flood WarningMPXCarver, Hennepin, Scott11 days
Jun 27, 10:42 AM CDTRiver Flood WarningMPXDakota, Hennepin, Scott3 days
Jun 27, 10:42 AM CDTRiver Flood WarningMPXRedwood49 hr

Nearby

Tornado Warnings in Minnesota, 2010Every tornado warning in 2010Tornadoes 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.