Alert archive / Minnesota / Tornado Warnings in 2009

Tornado Warning 13, NWS Twin Cities, MN

June 21, 20094 counties in Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 21, 2009, 7:25 PM CDT for 4 counties in Minnesota. It was in force for 65 min. 1 report 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 21, 2009, 7:25 PM CDT (00:25 UTC)
Expired
Jun 21, 2009, 8:30 PM CDT
In force
65 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 00:28 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 21, 7:30 PM CDTTORNADO2 N Easton, MNTOUCHED DOWN SOME DEBRIS.

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 21, 3:17 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 107 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 2009-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 278 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 00:00Z on 2009-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 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
278 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
347 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 220025
TORMPX
MNC013-043-047-161-220130-
/O.NEW.KMPX.TO.W.0013.090622T0025Z-090622T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
725 PM CDT SUN JUN 21 2009

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHWESTERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHEASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 830 PM CDT

* AT 724 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG
  ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS NEAR EASTON...OR
  ABOUT 5 MILES SOUTHWEST OF MINNESOTA LAKE...AND MOVING NORTHEAST AT
  10 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  MINNESOTA LAKE...
  OTISCO...
  WALDORF...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4402 9361 4385 9349 4369 9391 4388 9395
TIME...MOT...LOC 0025Z 240DEG 8KT 4379 9391

$$

JLT
6 follow-up statements
000 
WWUS53 KMPX 220036
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
736 PM CDT SUN JUN 21 2009

MNC013-043-047-161-220130-
/O.CON.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
BLUE EARTH MN-WASECA MN-FARIBAULT MN-FREEBORN MN-
736 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN FREEBORN...NORTHEASTERN FARIBAULT...SOUTHWESTERN WASECA
AND SOUTHEASTERN BLUE EARTH COUNTIES...

AT 730 PM CDT...TRAINED SPOTTERS REPORTED A TORNADO TWO MILES NORTH 
OF EASTON. 

AT 736 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
ROTATION.  THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 3 MILES
NORTH OF EASTON...OR ABOUT 4 MILES SOUTHWEST OF MINNESOTA LAKE...AND
MOVING NORTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE...MINNESOTA LAKE AND WALDORF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4402 9361 4385 9349 4369 9391 4388 9395
TIME...MOT...LOC 0035Z 240DEG 8KT 4380 9388

$$

JLT
000 
WWUS53 KMPX 220043
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
743 PM CDT SUN JUN 21 2009

MNC013-043-047-161-220130-
/O.CON.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
BLUE EARTH MN-WASECA MN-FARIBAULT MN-FREEBORN MN-
743 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN FREEBORN...NORTHEASTERN FARIBAULT...SOUTHWESTERN WASECA
AND SOUTHEASTERN BLUE EARTH COUNTIES...

AT 730 PM CDT...TRAINED SPOTTERS REPORTED A TORNADO TWO MILES NORTH 
OF EASTON. 

AT 742 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
ROTATION.  THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR
MINNESOTA LAKE...OR ABOUT 2 MILES SOUTH OF MINNESOTA LAKE...AND
MOVING NORTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE...MINNESOTA LAKE...WALDORF AND
OTISCO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4402 9361 4385 9349 4369 9391 4388 9395
TIME...MOT...LOC 0042Z 243DEG 10KT 4381 9384

$$

JLT
000 
WWUS53 KMPX 220050
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
750 PM CDT SUN JUN 21 2009

MNC013-043-047-161-220130-
/O.CON.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
BLUE EARTH MN-WASECA MN-FARIBAULT MN-FREEBORN MN-
750 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN FREEBORN...NORTHEASTERN FARIBAULT...SOUTHWESTERN WASECA
AND SOUTHEASTERN BLUE EARTH COUNTIES...

AT 748 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
ROTATION.  THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR
MINNESOTA LAKE...OR ABOUT OVER MINNESOTA LAKE...AND MOVING NORTHEAST
AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE...WALDORF AND OTISCO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OR PRODUCING TORNADOES. 

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4402 9361 4385 9349 4369 9391 4388 9395
TIME...MOT...LOC 0050Z 243DEG 10KT 4382 9381

$$

JLT
000 
WWUS53 KMPX 220055
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
755 PM CDT SUN JUN 21 2009

MNC013-043-047-161-220130-
/O.CON.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
BLUE EARTH MN-WASECA MN-FARIBAULT MN-FREEBORN MN-
755 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN FREEBORN...NORTHEASTERN FARIBAULT...SOUTHWESTERN WASECA
AND SOUTHEASTERN BLUE EARTH COUNTIES...

AT 754 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED NEAR MINNESOTA LAKE...OR ABOUT 2 MILES SOUTHEAST OF
MINNESOTA LAKE...AND MOVING NORTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE...WALDORF AND OTISCO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OR PRODUCING TORNADOES AND LARGE DAMAGING
HAIL.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4373 9381 4392 9386 4402 9361 4385 9349
TIME...MOT...LOC 0055Z 243DEG 10KT 4383 9379

$$

JLT
000 
WWUS53 KMPX 220106
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
806 PM CDT SUN JUN 21 2009

MNC013-043-047-161-220130-
/O.CON.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
BLUE EARTH MN-WASECA MN-FARIBAULT MN-FREEBORN MN-
806 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN FREEBORN...NORTHEASTERN FARIBAULT...SOUTHWESTERN WASECA
AND SOUTHEASTERN BLUE EARTH COUNTIES...

AT 804 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED 3 MILES EAST OF MINNESOTA LAKE...AND MOVING NORTHEAST AT 
10 MPH. PLEASE BE AWARE THAT ANOTHER AREA OF STRONG ROTATION WAS 
INDICATED BY LOCAL SPOTTERS EAST OF EASTON MOVING NORTHEAST.  

OTHER LOCATIONS IN THE WARNING INCLUDE...WALDORF AND OTISCO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OR PRODUCING TORNADOES AND LARGE DAMAGING
HAIL.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4373 9381 4392 9386 4402 9361 4385 9349
TIME...MOT...LOC 0106Z 243DEG 10KT 4384 9375

$$

JLT
000 
WWUS53 KMPX 220115
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
815 PM CDT SUN JUN 21 2009

MNC013-220125-
/O.CAN.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
BLUE EARTH MN-
815 PM CDT SUN JUN 21 2009

...THE TORNADO WARNING FOR EXTREME SOUTHEASTERN BLUE EARTH COUNTY IS
CANCELLED...

RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED OUT OF
THE WARNED AREA. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

LAT...LON 4385 9378 4394 9355 4385 9349 4373 9381
TIME...MOT...LOC 0115Z 284DEG 8KT 4379 9374

$$

MNC043-047-161-220130-
/O.CON.KMPX.TO.W.0013.000000T0000Z-090622T0130Z/
WASECA MN-FARIBAULT MN-FREEBORN MN-
815 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN FREEBORN...NORTHEASTERN FARIBAULT AND SOUTHWESTERN
WASECA COUNTIES...

AT 812 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED OVER NORTHEASTERN FARIBAULT COUNTY...OR ABOUT 4 MILES
NORTH OF WELLS...AND MOVING EAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE...RURAL NORTHEASTERN FARIBAULT
COUNTY...RURAL NORTHWESTERN FREEBORN COUNTY AND RURAL SOUTHWESTERN
WASECA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OR PRODUCING TORNADOES.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING
FOR SOUTH CENTRAL MINNESOTA.

&&

LAT...LON 4385 9378 4394 9355 4385 9349 4373 9381
TIME...MOT...LOC 0115Z 284DEG 8KT 4379 9374

$$

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:15 PM CDTSpecial Weather StatementMPXWaseca45 min
Jun 21, 7:27 PM CDTTornado WarningMPXBlue Earth, Waseca33 min
Jun 21, 8:08 PM CDTTornado WarningMPXFaribault, Freeborn67 min
Jun 21, 8:19 PM CDTAreal Flood AdvisoryMPXFaribault3 hr
Jun 21, 8:28 PM CDTTornado WarningMPXFaribault, Freeborn32 min
Jun 21, 9:04 PM CDTAreal Flood AdvisoryMPXFreeborn4 hr
Jun 21, 9:07 PM CDTTornado WarningMPXFreeborn53 min
Jun 21, 9:20 PM CDTTornado WarningMPXFreeborn40 min
Jun 21, 9:59 PM CDTTornado WarningMPXFreeborn34 min
Jun 21, 10:44 PM CDTSpecial Weather StatementMPXFreeborn31 min
Jun 22, 3:44 PM CDTHeat AdvisoryMPXHennepin, Ramsey12 hr

Nearby

Tornado Warnings in Minnesota, 2009Every tornado warning in 2009Tornadoes in 2009

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.