Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 99, NWS Twin Cities, MN

June 10, 2007Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2007, 8:38 PM CDT for Redwood County, Minnesota. It was in force for 67 min. 1 report 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, 8:38 PM CDT (01:38 UTC)
Expired
Jun 10, 2007, 9:45 PM CDT
In force
67 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Redwood County, MN

The radar

The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 01:37 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, 8:52 PM CDTHAIL 1Redwood Falls, MNREPORT RELAYED VIA KMSP-TV.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 2:30 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.6 hours before the alert went out and 138 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°0°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 110139
SVRMPX
MNC127-110245-
/O.NEW.KMPX.SV.W.0099.070611T0138Z-070611T0245Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN REDWOOD COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 945 PM CDT

* AT 833 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND 65 MPH WINDS. THIS      
  STORM WAS LOCATED 17 MILES NORTHWEST OF REDWOOD FALLS...OR   ABOUT 
  13 MILES SOUTHEAST OF GRANITE FALLS...AND MOVING SOUTHEAST AT   20 
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  REDWOOD FALLS...
  VESTA...

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 4467 9534 4455 9535 4453 9557 4445 9557
      4438 9498 4451 9492

$$

JPR
1 follow-up statement
000 
WWUS53 KMPX 110213
SVSMPX

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

MNC127-110245-
/O.CON.KMPX.SV.W.0099.000000T0000Z-070611T0245Z/
REDWOOD MN-
912 PM CDT SUN JUN 10 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR REDWOOD COUNTY...

AT 852 PM CDT...QUARTER SIZE HAIL WAS REPORTED IN REDWOOD FALLS. 

AT 908 PM CDT...THIS STORM WAS LOCATED JUST SOUTH OF REDWOOD 
FALLS...OR ABOUT 11 MILES NORTHEAST OF WABASSO...AND MOVING 
SOUTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE WABASSO...SEAFORTH...REDWOOD 
FALLS...MORGAN...DELHI...CLEMENTS AND BELVIEW.

LAT...LON 4467 9534 4455 9535 4453 9542 4437 9539
      4430 9489 4450 9491

$$

JPR

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, 8:45 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, 12:22 AM CDTSevere Thunderstorm WarningMPXDouglas53 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.