Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 84, NWS Twin Cities, MN

June 10, 2007Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2007, 4:39 PM CDT for Wright County, Minnesota. It was in force for 36 min. 2 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 10, 2007, 4:39 PM CDT (21:39 UTC)
Expired
Jun 10, 2007, 5:15 PM CDT
In force
36 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Wright County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 21:42 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 10, 4:50 PM CDTTSTM WND DMG4 Nw Cokato, MNTWO TREES DOWN. POWER OUT.
Jun 10, 4:50 PM CDTHAIL 0.754 Nw Cokato, 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 12:00Z, 9.7 hours before the alert went out and 52 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 2007-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2007-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1937 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
23 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 102140
SVRMPX
MNC171-102245-
/O.NEW.KMPX.SV.W.0084.070610T2139Z-070610T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
439 PM CDT SUN JUN 10 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 545 PM CDT

* AT 438 PM CDT...DOPPLER RADAR INDICATED A SEVERE                   
  THUNDERSTORM...CAPABLE OF PRODUCING QUATER SIZE HAIL AND 60  MPH   
  WINDS.  THIS STORM WAS LOCATED 3 MILES WEST OF COKATO...OR ABOUT   
  14 MILES  NORTHEAST OF HUTCHINSON...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COKATO...
  BUFFALO...

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.

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4521 9425 4498 9425 4509 9379 4532 9390

$$

JPR
1 follow-up statement
000 
WWUS53 KMPX 102215
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
515 PM CDT SUN JUN 10 2007

MNC171-102225-
/O.CAN.KMPX.SV.W.0084.000000T0000Z-070610T2245Z/
WRIGHT MN-
515 PM CDT SUN JUN 10 2007

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

RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS. 
THUS THE WARNING HAS BEEN CANCELLED. HOWEVER...STRONG TO SEVERE 
THUNDERSTORMS WERE INDICATED FROM LITCHFIELD...TO NORTH OF 
WILLMAR.  

REMAIN ALERT FOR POSSIBLE ADDITIONAL DEVELOPMENT. 

LAT...LON 4521 9425 4498 9425 4509 9379 4532 9390

$$

JPR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 2:12 PM CDTSevere Thunderstorm WarningMPXYellow Medicine48 min
Jun 10, 2:56 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine64 min
Jun 10, 3:24 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville51 min
Jun 10, 3:54 PM CDTSevere Thunderstorm WarningMPXChippewa32 min
Jun 10, 4:00 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine60 min
Jun 10, 4:10 PM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker50 min
Jun 10, 4:36 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Swift54 min
Jun 10, 4:52 PM CDTFlash Flood WarningMPXLac qui Parle113 min
Jun 10, 4:53 PM CDTSevere Thunderstorm WarningMPXStevens, Swift67 min
Jun 10, 5:01 PM CDTSevere Thunderstorm WarningMPXMeeker33 min
Jun 10, 5:02 PM CDTSevere Thunderstorm WarningMPXLac qui Parle58 min
Jun 10, 5:30 PM CDTSevere Thunderstorm WarningMPXStearns60 min
Jun 10, 5:41 PM CDTSevere Thunderstorm WarningMPXPope64 min
Jun 10, 6:03 PM CDTSevere Thunderstorm WarningMPXLac qui Parle41 min
Jun 10, 6:20 PM CDTSevere Thunderstorm WarningMPXChippewa55 min
Jun 10, 6:23 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison67 min
Jun 10, 6:30 PM CDTSevere Thunderstorm WarningMPXStearns20 min
Jun 10, 6:41 PM CDTSevere Thunderstorm WarningMPXStearns, Todd23 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.