Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 69, NWS Twin Cities, MN

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

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2007, 11:33 AM CDT for Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 57 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, 11:33 AM CDT (16:33 UTC)
Expired
Jun 7, 2007, 12:30 PM CDT
In force
57 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), 87 km from the middle of the area, began a volume at 16:35 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, 4.6 hours before the alert went out and 89 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 
WUUS53 KMPX 071633
SVRMPX
MNC049-WIC093-071730-
/O.NEW.KMPX.SV.W.0069.070607T1633Z-070607T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1133 AM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1230 PM CDT

* AT 1130 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.  THIS STORM WAS
  LOCATED 7 MILES WEST OF ZUMBROTA...OR ABOUT 14 MILES NORTH OF
  MANTORVILLE...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ZUMBROTA...
  RED WING...
  BAY CITY...
  ELLSWORTH...
  PLUM CITY...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE 
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 4429 9299 4421 9291 4421 9275 4429 9264
      4437 9256 4446 9245 4451 9238 4461 9216
      4477 9232 4483 9253 4472 9263

$$

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, 11:45 AM CDTTornado WarningMPXGoodhue45 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

Severe Thunderstorm Warnings in Minnesota, 2007Severe Thunderstorm Warnings in Wisconsin, 2007Every severe thunderstorm warning 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.