Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 106, NWS Twin Cities, MN

June 11, 2007Douglas County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2007, 12:22 AM CDT for Douglas County, Minnesota. It was in force for 53 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 11, 2007, 12:22 AM CDT (05:22 UTC)
Expired
Jun 11, 2007, 1:15 AM CDT
In force
53 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Douglas County, MN

The radar

The Minneapolis radar (KMPX), 202 km from the middle of the area, began a volume at 05:25 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 10, 11:47 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 5.4 hours before the alert went out and 200 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 2007-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 114 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 2007-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
114 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
2096 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
6 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 
WUUS53 KMPX 110522
SVRMPX
MNC041-110615-
/O.NEW.KMPX.SV.W.0106.070611T0522Z-070611T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1222 AM CDT MON JUN 11 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 115 AM CDT

* AT 1221 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 12
  MILES SOUTHWEST OF BRANDON...OR ABOUT 18 MILES NORTHEAST OF
  MORRIS...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BRANDON...
  EVANSVILLE...

HAIL UP TO THE SIZE OF QUARTERS HAS BEEN REPORTED NORTH OF 
KENSINGTON WITH THIS STORM.

STAY INDOORS...AND AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT MONDAY
MORNING FOR WEST CENTRAL MINNESOTA.

LAT...LON 4577 9575 4577 9566 4610 9544 4610 9576

$$

KAT
1 follow-up statement
000 
WWUS53 KMPX 110554
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1253 AM CDT MON JUN 11 2007

MNC041-110615-
/O.CON.KMPX.SV.W.0106.000000T0000Z-070611T0615Z/
DOUGLAS MN-
1253 AM CDT MON JUN 11 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR DOUGLAS COUNTY...

AT 1250 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING HAIL TO THE SIZE OF NICKELS.  
THIS STORM WAS LOCATED 5 MILES SOUTHWEST OF BRANDON AND MOVING 
NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MELBY...MILLERVILLE...
EVANSVILLE AND BRANDON.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4589 9575 4590 9561 4610 9544 4610 9575

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:16 PM CDTSevere Thunderstorm WarningMPXMille Lacs44 min
Jun 10, 7:20 PM CDTSevere Thunderstorm WarningMPXChippewa, Yellow Medicine55 min
Jun 10, 7:46 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Renville59 min
Jun 10, 8:15 PM CDTSevere Thunderstorm WarningMPXYellow Medicine45 min
Jun 10, 8:38 PM CDTSevere Thunderstorm WarningMPXRedwood67 min
Jun 10, 8:45 PM CDTSevere Thunderstorm WarningMPXRenville60 min
Jun 10, 9:14 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi61 min
Jun 10, 9:55 PM CDTSevere Thunderstorm WarningMPXStevens, Swift55 min
Jun 10, 11:09 PM CDTSevere Thunderstorm WarningMPXStevens36 min
Jun 10, 11:44 PM CDTSevere Thunderstorm WarningMPXStevens33 min
Jun 11, 12:12 AM CDTSevere Thunderstorm WarningMPXRedwood38 min
Jun 11, 12:40 AM CDTFlash Flood WarningMPXRedwood2 hr
Jun 11, 1:00 AM CDTFlash Flood WarningMPXBrown2 hr
Jun 11, 1:14 AM CDTSevere Thunderstorm WarningMPXDouglas31 min
Jun 11, 2:21 AM CDTSevere Thunderstorm WarningMPXRenville21 min
Jun 11, 2:32 AM CDTSevere Thunderstorm WarningMPXKandiyohi11 min
Jun 11, 2:39 AM CDTSevere Thunderstorm WarningMPXStearns32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.