Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 289, NWS Twin Cities, MN

September 26, 2008Barron County, Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 26, 2008, 11:40 PM CDT for Barron County, Polk County, Wisconsin. It was in force for 65 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: Sep 26, 2008, 11:40 PM CDT (04:40 UTC)
Expired: Sep 27, 2008, 12:45 AM CDT
In force: 65 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Barron County, WI, Polk County, WI

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 04:42 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

Time	Report	Where	Remark
Sep 26, 11:45 PM CDT	HAIL 0.75	Cumberland, WI

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, 4.7 hours before the alert went out and 141 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 347 J/kg
Mixed-layer CIN: -300 J/kg
Mixed-layer LCL: 2055 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 292 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 270440
SVRMPX
WIC005-095-270545-
/O.NEW.KMPX.SV.W.0289.080927T0440Z-080927T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1140 PM CDT FRI SEP 26 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL POLK COUNTY IN NORTHWEST WISCONSIN...
  BARRON COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 1245 AM CDT

* AT 1137 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
  THIS STORM WAS LOCATED NEAR RANGE...OR ABOUT 8 MILES NORTHEAST OF
  AMERY...AND MOVING EAST AT 28 MPH.

  ANOTHER SEVERE STORM WAS LOCATED NEAR CUMBERLAND.

* SOME LOCATIONS INCLUDE...
  TURTLE LAKE...
  MCKINLEY...
  COMSTOCK...
  CUMBERLAND...
  HILLSDALE...
  BARRON...
  CAMERON...
  RICE LAKE...
  HAUGEN...
  CHETEK...
  CANTON...
  
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

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 4562 9216 4563 9157 4524 9158 4525 9232
      4545 9239
TIME...MOT...LOC 0440Z 255DEG 24KT 4539 9222

$$

3 follow-up statements

000 
WWUS53 KMPX 270455
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1155 PM CDT FRI SEP 26 2008

WIC005-095-270545-
/O.CON.KMPX.SV.W.0289.000000T0000Z-080927T0545Z/
POLK WI-BARRON WI-
1154 PM CDT FRI SEP 26 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR BARRON AND EAST CENTRAL POLK COUNTIES...

AT 1145 PM...DIME SIZE HAIL WAS REPORTED IN CUMBERLAND. 

AT 1151 PM CDT...THESE SEVERE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 6 MILES WEST OF HAUGEN TO 10 MILES SOUTHWEST OF 
CLAYTON...AND MOVING EAST AT 28 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUMNER...RANGE...MIKANA...
MCKINLEY...JOEL...HILLSDALE...COMSTOCK...CANTON...BRILL AND TURTLE
LAKE.

PREPARE IMMEDIATELY FOR DAMAGING WINDS OR LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

LAT...LON 4562 9216 4563 9157 4524 9158 4525 9232
      4545 9239
TIME...MOT...LOC 0454Z 255DEG 24KT 4560 9188 4523 9228

$$

JPR

000 
WWUS53 KMPX 270529
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1229 AM CDT SAT SEP 27 2008

WIC095-270537-
/O.CAN.KMPX.SV.W.0289.000000T0000Z-080927T0545Z/
POLK WI-
1227 AM CDT SAT SEP 27 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL POLK COUNTY IS
CANCELLED...

RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED OUT OF
THE WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

LAT...LON 4524 9159 4525 9214 4562 9216 4563 9157
      4527 9158 4525 9158
TIME...MOT...LOC 0527Z 259DEG 28KT 4547 9190 4526 9204

$$

WIC005-270545-
/O.CON.KMPX.SV.W.0289.000000T0000Z-080927T0545Z/
BARRON WI-
1227 AM CDT SAT SEP 27 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR BARRON COUNTY...

AT 1223 AM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING 
WINDS IN EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A 
LINE EXTENDING FROM 6 MILES NORTHEAST OF ALMENA TO 10 MILES SOUTH OF 
TURTLE LAKE...AND MOVING EAST AT 32 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SUMNER...MIKANA...HILLSDALE...
COMSTOCK...CANTON...BRILL...TURTLE LAKE...RICE LAKE...HAUGEN AND
DALLAS.

PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

LAT...LON 4524 9159 4525 9214 4562 9216 4563 9157
      4527 9158 4525 9158
TIME...MOT...LOC 0527Z 259DEG 28KT 4547 9190 4526 9204

$$

JPR

000 
WWUS53 KMPX 270545
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1245 AM CDT SAT SEP 27 2008

WIC005-270554-
/O.EXP.KMPX.SV.W.0289.000000T0000Z-080927T0545Z/
BARRON WI-
1244 AM CDT SAT SEP 27 2008

...THE SEVERE THUNDERSTORM WARNING FOR BARRON COUNTY EXPIRES AT 1245
AM CDT...

SEVERE STORMS HAVE WEAKENED TO JUST BELOW SEVERE LEVELS...BUT STORMS 
WERE STILL MOVING THROUGH SOUTHERN BARRON COUNTY. THERE IS STILL 
POTENTIAL FOR STRENGTHENING...THUS REMAIN ALERT FOR ADDITIONAL 
WARNINGS.

LAT...LON 4524 9159 4525 9214 4562 9216 4563 9157
      4527 9158 4525 9158
TIME...MOT...LOC 0544Z 259DEG 28KT 4549 9171 4528 9186

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 27, 1:15 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	27 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2008 Every severe thunderstorm warning in 2008

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.