Alert archive / Minnesota / Tornado Warnings in 2007

Tornado Warning 13, NWS Twin Cities, MN

June 2, 2007McLeod County, Sibley County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 2, 2007, 1:47 PM CDT for McLeod County, Sibley County, Minnesota. It was in force for 43 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 2, 2007, 1:47 PM CDT (18:47 UTC)
Expired
Jun 2, 2007, 2:30 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties McLeod County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 65 km from the middle of the area, began a volume at 18:50 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.8 hours before the alert went out and 62 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 2007-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
10 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 021846
TORMPX
MNC085-143-021930-
/O.NEW.KMPX.TO.W.0013.070602T1847Z-070602T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
147 PM CDT SAT JUN 2 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA...
  SIBLEY COUNTY IN CENTRAL MINNESOTA...

* UNTIL 230 PM CDT

* AT 142 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO 3 MILES
  NORTHEAST OF WINTHROP...OR ABOUT OVER WINTHROP. RADAR SHOWED THE
  TORNADIC STORM MOVING NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW AUBURN...
  BROWNTON...
  SUMTER...
  GLENCOE...

ENVIRONMENTAL CONDITIONS SUGGEST THAT A SMALL TORNADO IS IMMINENT...
BUT WILL NOT LIKELY BE ON THE GROUND FOR A LONG TIME...OR CAUSE
WIDESPREAD SEVERE DAMAGE.

LAT...LON 4453 9443 4450 9421 4479 9411 4481 9446

$$

KAT
1 follow-up statement
000 
WWUS53 KMPX 021906
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
206 PM CDT SAT JUN 2 2007

MNC085-143-021930-
/O.CON.KMPX.TO.W.0013.000000T0000Z-070602T1930Z/
MCLEOD MN-SIBLEY MN-
206 PM CDT SAT JUN 2 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR SIBLEY
AND MCLEOD COUNTIES...

AT 203 PM CDT...DOPPLER RADAR AND ENVIRONMENTAL CONDITIONS CONTINUED 
TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.   
THE SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTHWEST OF 
GAYLORD...AND MOVING NORTH AT 15 MPH. IN ADDITION TO BRIEF 
TORNADOES...THIS SEVERE THUNDERSTORM MAY PRODUCE WINDS TO 60 
MPH...AND HAIL TO THE SIZE OF NICKELS.

OTHER LOCATIONS IN THE WARNING INCLUDE SUMTER...WINTHROP...NEW
AUBURN...GLENCOE...GAYLORD AND BROWNTON.

LAT...LON 4453 9443 4450 9421 4479 9413 4481 9446

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 2:16 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington44 min
Jun 2, 2:28 PM CDTSevere Thunderstorm WarningMPXSibley47 min
Jun 2, 2:49 PM CDTSevere Thunderstorm WarningMPXAnoka41 min
Jun 2, 2:58 PM CDTSevere Thunderstorm WarningMPXMeeker47 min
Jun 2, 3:11 PM CDTFlash Flood WarningMPXSibley94 min
Jun 2, 3:45 PM CDTSevere Thunderstorm WarningMPXStearns, Wright30 min
Jun 2, 3:49 PM CDTSevere Thunderstorm WarningMPXDakota26 min
Jun 2, 4:13 PM CDTSevere Thunderstorm WarningMPXRenville32 min
Jun 2, 4:14 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey45 min
Jun 2, 4:51 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright54 min
Jun 2, 5:08 PM CDTSevere Thunderstorm WarningMPXHennepin39 min
Jun 2, 6:07 PM CDTSevere Thunderstorm WarningMPXMorrison23 min

Nearby

Tornado Warnings in Minnesota, 2007Every tornado warning in 2007Tornadoes in 2007

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.