Alert archive / Minnesota / Tornado Warnings in 2009

Tornado Warning 16, NWS Twin Cities, MN

June 21, 2009Faribault County, Freeborn County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 21, 2009, 8:28 PM CDT for Faribault County, Freeborn County, Minnesota. It was in force for 32 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, 8:28 PM CDT (01:28 UTC)
Expired
Jun 21, 2009, 9:00 PM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Faribault County, MN, Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 117 km from the middle of the area, began a volume at 01:30 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, 8:32 PM CDTTORNADOWsw Baroda, MNBRIEF TOUCHDOWN. NOW LIFTING AND REFORMING.

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, 1.5 hours before the alert went out and 117 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 220128
TORMPX
MNC043-047-220200-
/O.NEW.KMPX.TO.W.0016.090622T0128Z-090622T0200Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 900 PM CDT

* AT 826 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR WELLS...OR
  ABOUT OVER WELLS...AND MOVING EAST AT 10 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  WELLS...
  BARODA...
  HARTLAND...
  FREEBORN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 9350 4380 9347 4367 9371 4381 9379
TIME...MOT...LOC 0128Z 283DEG 11KT 4376 9373

$$

JLT
2 follow-up statements
000 
WWUS53 KMPX 220142
SVSMPX

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

MNC043-047-220200-
/O.CON.KMPX.TO.W.0016.000000T0000Z-090622T0200Z/
FARIBAULT MN-FREEBORN MN-
842 PM CDT SUN JUN 21 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN FREEBORN AND NORTHEASTERN FARIBAULT COUNTIES...

AT 841 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED NEAR BARODA...OR ABOUT 3 MILES EAST OF WELLS...AND MOVING
EAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE...FREEBORN AND HARTLAND.

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 9350 4380 9347 4367 9371 4381 9379
TIME...MOT...LOC 0142Z 283DEG 11KT 4375 9367

$$

JLT
000 
WWUS53 KMPX 220158
SVSMPX

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

MNC043-047-220208-
/O.EXP.KMPX.TO.W.0016.000000T0000Z-090622T0200Z/
FARIBAULT MN-FREEBORN MN-
858 PM CDT SUN JUN 21 2009

...THE TORNADO WARNING FOR NORTHWESTERN FREEBORN AND NORTHEASTERN
FARIBAULT COUNTIES EXPIRES AT 900 PM CDT...

TORNADIC SEVERE STORMS WERE ABOUT TO MOVE OUT OF THE COUNTY.
HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN
ALERT FOR ADDITIONAL WARNINGS.

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

LAT...LON 4385 9350 4380 9347 4367 9371 4381 9379
TIME...MOT...LOC 0158Z 283DEG 11KT 4374 9361

$$

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, 7:25 PM CDTTornado WarningMPXBlue Earth, Faribault, Freeborn, Waseca65 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, 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.