Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 62, NWS Twin Cities, MN

June 7, 2007Dakota County, Rice County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2007, 2:43 AM CDT for Dakota County, Rice County, Scott County, Minnesota. It was in force for 32 min. 5 reports 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 7, 2007, 2:43 AM CDT (07:43 UTC)
Expired
Jun 7, 2007, 3:15 AM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dakota County, MN, Rice County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 27 km from the middle of the area, began a volume at 07:45 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 7, 3:00 AM CDTHAIL 1Lakeville, MN
Jun 7, 3:05 AM CDTHAIL 1Apple Valley, MN
Jun 7, 3:06 AM CDTHAIL 0.75Apple Valley, MN
Jun 7, 3:06 AM CDTHAIL 0.75Lakeville, MN
Jun 7, 3:07 AM CDTHAIL 0.75Burnsville, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.7 hours before the alert went out and 28 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 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
780 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 070743
SVRMPX
MNC037-131-139-070815-
/O.NEW.KMPX.SV.W.0062.070607T0743Z-070607T0815Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 315 AM CDT

* AT 240 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
   THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEW PRAGUE
  TO 10 MILES SOUTHEAST OF NEW PRAGUE...AND MOVING NORTHEAST AT 55
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  PRIOR LAKE...
  SHAKOPEE...
  LAKEVILLE...
  SAVAGE...
  FARMINGTON...
  BURNSVILLE...
  APPLE VALLEY...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT THURSDAY MORNING
FOR WEST CENTRAL MINNESOTA.

LAT...LON 4454 9376 4446 9325 4472 9296 4482 9357

$$

LS
1 follow-up statement
000 
WWUS53 KMPX 070804
SVSMPX

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

MNC131-070812-
/O.CAN.KMPX.SV.W.0062.000000T0000Z-070607T0815Z/
RICE MN-
302 AM CDT THU JUN 7 2007

...THE SEVERE THUNDERSTORM WARNING FOR RICE COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT THURSDAY MORNING
FOR WEST CENTRAL MINNESOTA.

LAT...LON 4466 9348 4455 9303 4472 9279 4479 9345

$$

MNC037-139-070815-
/O.CON.KMPX.SV.W.0062.000000T0000Z-070607T0815Z/
DAKOTA MN-SCOTT MN-
302 AM CDT THU JUN 7 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR SCOTT AND DAKOTA COUNTIES...

AT 247 AM CDT...PENNY SIZE HAIL WAS REPORTED IN LONSDALE WITH THIS 
STORM.

AT 258 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE AND DAMAGING WINDS.  
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SAVAGE TO 5 
MILES EAST OF FARMINGTON...AND MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE RANDOLPH...CRYSTAL BAY...
CREDIT RIVER...VERMILLION...SAVAGE...ROSEMOUNT...PRIOR LAKE...
LAKEVILLE...HASTINGS AND HAMPTON.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT THURSDAY MORNING
FOR WEST CENTRAL MINNESOTA.

LAT...LON 4466 9348 4455 9303 4472 9279 4479 9345

$$
LS

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, 2:59 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, 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

Nearby

Severe Thunderstorm Warnings in Minnesota, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.