Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 28, NWS Twin Cities, MN

June 27, 2008Benton County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 27, 2008, 3:07 PM CDT for Benton County, Minnesota. It was in force for 23 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 27, 2008, 3:07 PM CDT (20:07 UTC)
Expired
Jun 27, 2008, 3:30 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

County Benton County, MN

The radar

The Minneapolis radar (KMPX), 96 km from the middle of the area, began a volume at 20:11 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 27, 1:09 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 95 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 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 374 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 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
374 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 272008
TORMPX
MNC009-272030-
/O.NEW.KMPX.TO.W.0028.080627T2007Z-080627T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
307 PM CDT FRI JUN 27 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  BENTON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 330 PM CDT

* AT 306 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR SAUK
  RAPIDS...OR ABOUT OVER SAUK RAPIDS...AND MOVING EAST AT 23 MPH.

* SOME LOCATIONS INCLUDE...
  MAYHEW...
  PARENT...
  DUELM...
  RONNEBY...
  FOLEY...

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.

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.

LAT...LON 4580 9376 4556 9377 4556 9415 4565 9420
TIME...MOT...LOC 2007Z 254DEG 20KT 4559 9415

$$
2 follow-up statements
000 
WWUS53 KMPX 272018
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
316 PM CDT FRI JUN 27 2008

MNC009-272030-
/O.CON.KMPX.TO.W.0028.000000T0000Z-080627T2030Z/
BENTON MN-
316 PM CDT FRI JUN 27 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
BENTON COUNTY...

AT 315 PM CDT...A WALL CLOUD WAS REPORTED JUST NORTH OF ST CLOUD. 

THID TORNADIC THUNDERSTORM WAS LOCATED 3 MILES EAST OF SAUK 
RAPIDS...AND MOVING EAST AT 23 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE PARENT...MAYHEW...DUELM...SAUK
RAPIDS...RONNEBY AND FOLEY.

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.

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.

LAT...LON 4569 9376 4567 9377 4565 9377 4556 9377
      4556 9415 4566 9419 4580 9376
TIME...MOT...LOC 2016Z 254DEG 20KT 4561 9407

$$
000 
WWUS53 KMPX 272026
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
324 PM CDT FRI JUN 27 2008

MNC009-272030-
/O.CON.KMPX.TO.W.0028.000000T0000Z-080627T2030Z/
BENTON MN-
324 PM CDT FRI JUN 27 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
BENTON COUNTY...

AT 324 PM CDT...A DELAYED REPORT OF A FUNNEL CLOUD NORTH OF SARTELL 
WAS RECEIVED.
 
AT 324 PM CDT...THIS SEVERE THUNDERSTORM CAPABLE OF PRODUCING A 
TORNADO WAS LOCATED 3 MILES SOUTHWEST OF PARENT...OR ABOUT 5 
MILES SOUTH OF MAYHEW...AND MOVING EAST AT 23 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE PARENT...MAYHEW...DUELM...SAUK
RAPIDS...RONNEBY...GILMAN AND FOLEY.

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.

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.

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.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4569 9376 4567 9377 4565 9377 4556 9377
      4556 9415 4566 9419 4580 9376
TIME...MOT...LOC 2024Z 254DEG 20KT 4562 9401

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 2:08 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Watonwan52 min
Jun 27, 3:29 PM CDTTornado WarningMPXBenton, Mille Lacs31 min
Jun 27, 4:03 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott42 min
Jun 27, 4:51 PM CDTSevere Thunderstorm WarningMPXFreeborn39 min
Jun 27, 6:38 PM CDTSevere Thunderstorm WarningMPXYellow Medicine39 min
Jun 27, 6:45 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley38 min
Jun 27, 6:48 PM CDTSevere Thunderstorm WarningMPXRenville42 min
Jun 27, 6:52 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet, Sibley53 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.