Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 210, NWS Twin Cities, MN

July 3, 20124 counties in Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 2012, 3:28 AM CDT for 4 counties in Wisconsin. It was in force for 47 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: Jul 3, 2012, 3:28 AM CDT (08:28 UTC)
Expired: Jul 3, 2012, 4:15 AM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Rusk County, WI

The radar

The La Crosse radar (KARX), 158 km from the middle of the area, began a volume at 08:31 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
Jul 3, 3:35 AM CDT	TSTM WND DMG	Bruce, WI	POWER LINES DOWN.

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, 8.5 hours before the alert went out and 178 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: 2216 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 2064 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

125 
WUUS53 KMPX 030828
SVRMPX
WIC005-017-033-107-030915-
/O.NEW.KMPX.SV.W.0210.120703T0828Z-120703T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
328 AM CDT TUE JUL 3 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BARRON COUNTY IN NORTHWEST WISCONSIN...
  CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
  DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  RUSK COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 415 AM CDT

* AT 327 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES
  SOUTH OF TURTLE LAKE TO NEW AUBURN TO LADYSMITH...AND MOVING
  SOUTHEAST AT 55 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  CONNORSVILLE...
  LADYSMITH...
  MENOMONIE...
  CHIPPEWA FALLS...
  BRUCE...
  WEYERHAEUSER...
  CHETEK...
  ISLAND LAKE...
  NEW AUBURN...
  TONY...
  PRAIRIE FARM...
  GLEN FLORA...
  CONRATH...
  RIDGELAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4537 9091 4486 9092 4486 9164 4484 9173
      4484 9214 4512 9213 4513 9216 4535 9216
      4529 9173 4561 9109 4565 9084 4564 9068
      4538 9067
TIME...MOT...LOC 0828Z 311DEG 46KT 4529 9213 4522 9162
          4548 9108
WIND...HAIL 60MPH 1.00IN

$$

3 follow-up statements

287 
WWUS53 KMPX 030852
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
352 AM CDT TUE JUL 3 2012

WIC005-030907-
/O.CAN.KMPX.SV.W.0210.000000T0000Z-120703T0915Z/
BARRON WI-
352 AM CDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BARRON COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTHERN BARRON COUNTY HAS BEEN CANCELLED.

LAT...LON 4537 9091 4486 9092 4484 9214 4520 9215
      4518 9149 4565 9084 4564 9068 4538 9067
TIME...MOT...LOC 0852Z 311DEG 46KT 4508 9196 4503 9140
          4540 9085

$$

WIC017-033-107-030915-
/O.CON.KMPX.SV.W.0210.000000T0000Z-120703T0915Z/
CHIPPEWA WI-DUNN WI-RUSK WI-
352 AM CDT TUE JUL 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
RUSK...NORTHERN DUNN AND CHIPPEWA COUNTIES UNTIL 415 AM CDT...

AT 350 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BOYCEVILLE TO EAGLETON TO 5 MILES NORTHWEST OF JUMP
RIVER...MOVING SOUTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MENOMONIE...CHIPPEWA FALLS...WHEELER...JIM FALLS...COLFAX...TAINTER
  LAKE...BATEMAN...LAKE WISSOTA...CADOTT...BOYD...STANLEY...ELK MOUND
  AND LAKE HALLIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4537 9091 4486 9092 4484 9214 4520 9215
      4518 9149 4565 9084 4564 9068 4538 9067
TIME...MOT...LOC 0852Z 311DEG 46KT 4508 9196 4503 9140
          4540 9085
WIND...HAIL 60MPH 1.00IN

$$

JPC

728 
WWUS53 KMPX 030907
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
407 AM CDT TUE JUL 3 2012

WIC107-030922-
/O.CAN.KMPX.SV.W.0210.000000T0000Z-120703T0915Z/
RUSK WI-
407 AM CDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN RUSK COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING FOR EASTERN 
RUSK COUNTY HAS BEEN CANCELLED.

LAT...LON 4486 9164 4485 9165 4484 9214 4509 9214
      4519 9153 4518 9149 4520 9146 4528 9092
      4503 9091 4486 9092
TIME...MOT...LOC 0907Z 319DEG 41KT 4495 9181 4489 9125
          4525 9070

$$

WIC017-033-030915-
/O.CON.KMPX.SV.W.0210.000000T0000Z-120703T0915Z/
CHIPPEWA WI-DUNN WI-
407 AM CDT TUE JUL 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL DUNN
AND CHIPPEWA COUNTIES UNTIL 415 AM CDT...

AT 403 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM TAINTER LAKE TO LAKE WISSOTA TO 5 MILES SOUTHEAST OF
JUMP RIVER...MOVING SOUTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  CADOTT...LAKE HALLIE...BOYD...ELK MOUND AND STANLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4486 9164 4485 9165 4484 9214 4509 9214
      4519 9153 4518 9149 4520 9146 4528 9092
      4503 9091 4486 9092
TIME...MOT...LOC 0907Z 319DEG 41KT 4495 9181 4489 9125
          4525 9070
WIND...HAIL 60MPH 1.00IN

$$

JPC

097 
WWUS53 KMPX 030915
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
415 AM CDT TUE JUL 3 2012

WIC017-033-030930-
/O.EXP.KMPX.SV.W.0210.000000T0000Z-120703T0915Z/
CHIPPEWA WI-DUNN WI-
415 AM CDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DUNN AND CHIPPEWA
COUNTIES HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THESE
THUNDERSTORMS.

LAT...LON 4486 9164 4485 9165 4484 9214 4509 9214
      4519 9153 4518 9149 4520 9146 4528 9092
      4503 9091 4486 9092
TIME...MOT...LOC 0907Z 319DEG 41KT 4495 9182 4488 9126
          4524 9071

$$

JPC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 2:42 AM CDT	Special Weather Statement	MPX	Barron, Polk	48 min
Jul 3, 3:20 AM CDT	Special Weather Statement	MPX	Chippewa, Dunn, Rusk	40 min
Jul 3, 3:25 AM CDT	Severe Thunderstorm Warning	MPX	Saint Croix	50 min
Jul 3, 4:03 AM CDT	Special Weather Statement	MPX	Eau Claire, Pepin	42 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012 Every severe thunderstorm warning in 2012

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.