Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 42, NWS Twin Cities, MN

May 23, 2007Barron County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 2007, 5:27 PM CDT for Barron County, Wisconsin. It was in force for 48 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
May 23, 2007, 5:27 PM CDT (22:27 UTC)
Expired
May 23, 2007, 6:15 PM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Barron County, WI

The radar

The Minneapolis radar (KMPX), 146 km from the middle of the area, began a volume at 22:30 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
May 23, 2:58 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 149 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 2007-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 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 2007-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.193958Sfc1 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
84 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
164 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 232227
SVRMPX
WIC005-232315-
/O.NEW.KMPX.SV.W.0042.070523T2227Z-070523T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
527 PM CDT WED MAY 23 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARRON COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 615 PM CDT

* AT 525 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
  WINDS.  THE STORMS WERE LOCATED FROM 10 MILES WEST OF RICE LAKE...
  TO 13 MILES SOUTHWEST OF BARRON. THEY WERE MOVING NORTHEAST AT 40
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  CUMBERLAND...
  BARRON...
  CAMERON...
  CHETEK...
  RICE LAKE...

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 4559 9214 4523 9214 4522 9157 4564 9154

$$
DWE/TDK
2 follow-up statements
000 
WWUS53 KMPX 232256
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
557 PM CDT WED MAY 23 2007

WIC005-232315-
/O.CON.KMPX.SV.W.0042.000000T0000Z-070523T2315Z/
BARRON WI-
557 PM CDT WED MAY 23 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR BARRON COUNTY...

AT 555 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES EAST OF
RICE LAKE TO 7 MILES SOUTH OF CHETEK...AND MOVING EAST AT 40 MPH.

WINDS OF 60 TO 65 MPH ARE POSSIBLE.

OTHER LOCATIONS IN THE WARNING INCLUDE MIKANA...CANTON...AND CHETEK.

LAT...LON 4559 9214 4523 9214 4522 9157 4564 9154

$$
DWE/TDK
000 
WWUS53 KMPX 232312
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
611 PM CDT WED MAY 23 2007

WIC005-232321-
/O.EXP.KMPX.SV.W.0042.000000T0000Z-070523T2315Z/
BARRON WI-
611 PM CDT WED MAY 23 2007

...THE SEVERE THUNDERSTORM WARNING FOR BARRON COUNTY EXPIRES AT 615
PM CDT...

SEVERE STORMS WERE ABOUT TO MOVE OUT OF THE SOUTHEAST PART OF THE 
COUNTY...EAST OF CHETEK. HOWEVER...MORE SHOWERS AND THUNDERSTORMS 
WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR POSSIBLE ADDITIONAL 
WARNINGS.

LAT...LON 4559 9214 4523 9214 4522 9157 4564 9154

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 3:22 PM CDTSevere Thunderstorm WarningMPXPolk53 min
May 23, 4:07 PM CDTTornado WarningMPXPolk38 min
May 23, 4:24 PM CDTSevere Thunderstorm WarningMPXBarron66 min
May 23, 4:29 PM CDTSevere Thunderstorm WarningMPXSaint Croix61 min
May 23, 4:31 PM CDTSevere Thunderstorm WarningMPXPierce59 min
May 23, 4:48 PM CDTTornado WarningMPXPolk27 min
May 23, 5:12 PM CDTSevere Thunderstorm WarningMPXDunn63 min
May 23, 6:04 PM CDTSevere Thunderstorm WarningMPXChippewa, Rusk56 min

Nearby

Severe 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.