Alert archive / Minnesota / Tornado Warnings in 2007

Tornado Warning 14, NWS Twin Cities, MN

June 7, 2007Goodhue County, Minnesota; Pierce County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jun 7, 2007, 11:45 AM CDT for Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 45 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 7, 2007, 11:45 AM CDT (16:45 UTC)
Expired
Jun 7, 2007, 12:30 PM CDT
In force
45 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Goodhue County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 95 km from the middle of the area, began a volume at 16:47 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 7, 11:34 AM CDTTornado Watch PDSSPC10 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 4.8 hours before the alert went out and 98 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 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
72 J/kg
Mixed-layer CIN
-470 J/kg
Mixed-layer LCL
1082 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 071645
TORMPX
MNC049-WIC093-071730-
/O.NEW.KMPX.TO.W.0014.070607T1645Z-070607T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1145 AM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 1230 PM CDT

* AT 1143 AM CDT...RADAR INDICATED A DEVELOPING TORNADO. THE MOST
  DANGEROUS PART OF THE STORM WAS 4 MILES SOUTHWEST OF GOODHUE...OR
  ABOUT 5 MILES NORTH OF ZUMBROTA...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GOODHUE...
  BAY CITY...
  FRONTENAC...
  ESDAILE...
  MAIDEN ROCK...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER 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 4438 9280 4428 9270 4445 9242 4449 9232
      4453 9231 4455 9223 4475 9227

$$
4 follow-up statements
000 
WWUS53 KMPX 071657
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1156 AM CDT THU JUN 7 2007

MNC049-WIC093-071730-
/O.CON.KMPX.TO.W.0014.000000T0000Z-070607T1730Z/
GOODHUE MN-PIERCE WI-
1156 AM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR PIERCE
AND GOODHUE COUNTIES...

AT 1151 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.   THE SEVERE
THUNDERSTORM WAS LOCATED 3 MILES WEST OF GOODHUE...OR ABOUT 6 MILES
NORTH OF ZUMBROTA...AND MOVING NORTHEAST AT 55 MPH.

ADDITIONAL SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM JUST 
NORTH OF GOODHUE...TO RED WING...TO 5 MILES SOUTH OF ELLSWORTH. ONE 
STORM LOCATED 5 MILES SOUTH OF RED WING REMAINS CAPABLE OF PRODUCING 
A TORNADO. THESE STORMS WERE ALSO MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE HAGER CITY...ESDAILE...
FRONTENAC...RED WING...GOODHUE...MAIDEN ROCK AND BAY CITY.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER 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 4438 9280 4430 9266 4445 9242 4449 9232
      4453 9231 4455 9223 4467 9223 4480 9243
      4469 9252

$$
000 
WWUS53 KMPX 071708
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1208 PM CDT THU JUN 7 2007

MNC049-WIC093-071730-
/O.CON.KMPX.TO.W.0014.000000T0000Z-070607T1730Z/
GOODHUE MN-PIERCE WI-
1208 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR PIERCE
AND GOODHUE COUNTIES...

AT 1204 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE 
THUNDERSTORM WITH STRONG ROTATION. THE SEVERE THUNDERSTORM WAS 
LOCATED 6 MILES SOUTH OF HAGER CITY...OR ABOUT 6 MILES SOUTHWEST OF 
BAY CITY...AND MOVING NORTHEAST AT 50 MPH. LARGE HAIL AND DAMAGING 
WINDS WILL ALSO BE POSSIBLE WITH THIS SEVERE THUNDERSTORM.

ADDITIONAL SEVERE THUNDERSTORMS CONTINUE ACROSS MAINLY PIERCE 
COUNTY...FROM HAGER CITY TO ABOUT 5 MILES SOUTHWEST OF SPRING VALLEY.

OTHER LOCATIONS IN THE WARNING INCLUDE HAGER CITY...ESDAILE...MAIDEN
ROCK AND BAY CITY.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER 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 4449 9264 4442 9257 4448 9243 4455 9232
      4469 9214 4475 9218 4481 9225 4480 9243
      4469 9249

$$
000 
WWUS53 KMPX 071718
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1217 PM CDT THU JUN 7 2007

MNC049-071727-
/O.CAN.KMPX.TO.W.0014.000000T0000Z-070607T1730Z/
GOODHUE MN-
1217 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR GOODHUE COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT FOR EAST CENTRAL MINNESOTA UNTIL 
10 PM. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY 
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4462 9251 4459 9236 4471 9219 4476 9214
      4486 9214 4486 9234

$$

WIC093-071730-
/O.CON.KMPX.TO.W.0014.000000T0000Z-070607T1730Z/
PIERCE WI-
1217 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR PIERCE
COUNTY...

AT 1212 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE 
THUNDERSTORM WITH STRONG ROTATION. THE SEVERE THUNDERSTORM WAS 
LOCATED NEAR ESDAILE...OR ABOUT OVER BAY CITY...AND MOVING NORTHEAST 
AT 45 MPH. LARGE HAIL AND DAMAGING WINDS WILL ALSO BE POSSIBLE.

ANOTHER SEVERE THUNDERSTORM IS ALSO LOCATED ABOUT 3 MILES SOUTHWEST 
OF SPRING VALLEY...ALSO MOVING TO THE NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ESDAILE...SPRING VALLEY AND
ELMWOOD.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER 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 4462 9251 4459 9236 4471 9219 4476 9214
      4486 9214 4486 9234

$$
000 
WWUS53 KMPX 071729
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1228 PM CDT THU JUN 7 2007

WIC093-071738-
/O.EXP.KMPX.TO.W.0014.000000T0000Z-070607T1730Z/
PIERCE WI-
1228 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR PIERCE COUNTY EXPIRES AT 1230 PM CDT...

THE THUNDERSTORM THAT PROMPTED THE TORNADO WARNING FOR PIERCE COUNTY 
HAS MOVED NORTHEAST OF THE COUNTY. ADDITIONAL STRONG THUNDERSTORMS 
REMAIN ACROSS THE EASTERN HALF OF THE COUNTY. REMAIN ALERT FOR 
POSSIBLE ADDITIONAL WARNINGS.

REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO THE 
NATIONAL WEATHER SERVICE.

LAT...LON 4462 9251 4459 9236 4471 9219 4476 9214
      4486 9214 4486 9234

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 1:32 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood, Watonwan43 min
Jun 7, 2:09 AM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Sibley51 min
Jun 7, 2:26 AM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice49 min
Jun 7, 2:36 AM CDTSevere Thunderstorm WarningMPXMcLeod24 min
Jun 7, 2:43 AM CDTSevere Thunderstorm WarningMPXDakota, Rice, Scott32 min
Jun 7, 2:59 AM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Wright35 min
Jun 7, 3:07 AM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington25 min
Jun 7, 3:26 AM CDTSevere Thunderstorm WarningMPXWashington34 min
Jun 7, 4:14 AM CDTWind AdvisoryMPXAnoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 27 more17 hr
Jun 7, 11:33 AM CDTSevere Thunderstorm WarningMPXGoodhue57 min
Jun 7, 3:21 PM CDTSevere Thunderstorm WarningMPXPope24 min
Jun 7, 5:10 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville50 min
Jun 7, 6:12 PM CDTSevere Thunderstorm WarningMPXMeeker, Wright46 min
Jun 7, 6:27 PM CDTSevere Thunderstorm WarningMPXHennepin33 min
Jun 7, 6:41 PM CDTSevere Thunderstorm WarningMPXAnoka, Isanti, Sherburne49 min
Jun 7, 3:47 AM CDTSevere Thunderstorm WarningMPXBarron, Polk43 min
Jun 7, 3:56 AM CDTSevere Thunderstorm WarningMPXDunn34 min
Jun 7, 4:35 AM CDTSevere Thunderstorm WarningMPXRusk40 min
Jun 7, 12:19 PM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix41 min
Jun 7, 12:48 PM CDTTornado WarningMPXChippewa, Dunn42 min
Jun 7, 1:11 PM CDTSevere Thunderstorm WarningMPXBarron25 min
Jun 7, 1:24 PM CDTTornado WarningMPXChippewa, Rusk51 min
Jun 7, 1:56 PM CDTTornado WarningMPXEau Claire34 min
Jun 7, 2:25 PM CDTTornado WarningMPXEau Claire22 min

Nearby

Tornado Warnings in Minnesota, 2007Tornado Warnings in Wisconsin, 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.