Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 230, NWS Twin Cities, MN

August 2, 2011Barron County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2011, 9:42 AM CDT for Barron County, Rusk County, Wisconsin. It was in force for 93 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
Aug 2, 2011, 9:42 AM CDT (14:42 UTC)
Expired
Aug 2, 2011, 11:15 AM CDT
In force
93 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
65.0 mph

Counties Barron County, WI, Rusk County, WI

The radar

The Duluth radar (KDLH), 174 km from the middle of the area, began a volume at 14:42 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
Aug 2, 10:02 AM CDTTSTM WND DMG1 Wsw Brill, WINUMEROUS 1-3 INCH BRANCHES SNAPPED

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
Aug 2, 2:20 AM CDTSevere Thunderstorm WatchSPC10 hr
Aug 2, 5:23 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.7 hours before the alert went out and 200 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 2011-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2133 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 2011-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
2133 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

472 
WUUS53 KMPX 021442
SVRMPX
WIC005-107-021615-
/O.NEW.KMPX.SV.W.0230.110802T1442Z-110802T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
942 AM CDT TUE AUG 2 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1115 AM CDT

* AT 937 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65 MPH. THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES WEST OF
  SPOONER TO CUMBERLAND TO CLEAR LAKE...AND MOVING EAST AT 55 MPH. 
  PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IN THE WARNING INCLUDE...
  RICE LAKE...
  LADYSMITH...
  HAUGEN...
  BARRON...
  HILLSDALE...
  BRILL...
  CAMERON...
  MIKANA...
  CANTON...
  CHETEK...
  WEYERHAEUSER...
  ISLAND LAKE...
  BRUCE...
  TONY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4537 9076 4537 9091 4529 9092 4527 9216
      4531 9215 4535 9186 4565 9182 4565 9093
      4564 9068 4563 9067 4538 9067
TIME...MOT...LOC 1442Z 264DEG 48KT 4584 9195 4553 9195
          4531 9212
WIND...HAIL 65MPH 0.75IN

$$
5 follow-up statements
760 
WWUS53 KMPX 021516
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1016 AM CDT TUE AUG 2 2011

WIC005-107-021615-
/O.CON.KMPX.SV.W.0230.000000T0000Z-110802T1615Z/
BARRON WI-RUSK WI-
1016 AM CDT TUE AUG 2 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR RUSK AND
EASTERN BARRON COUNTIES UNTIL 1115 AM CDT...

AT 1014 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
RESERVE TO 8 MILES SOUTHWEST OF EXELAND TO CHETEK...MOVING EAST AT 55
MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  LADYSMITH...WEYERHAEUSER...BRUCE...ISLAND LAKE...TONY...CONRATH...
  GLEN FLORA...SHELDON...HAWKINS AND INGRAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4537 9091 4529 9092 4527 9192 4535 9186
      4565 9182 4565 9093 4563 9067 4538 9067
TIME...MOT...LOC 1516Z 263DEG 47KT 4584 9134 4558 9131
          4528 9166
WIND...HAIL 60MPH 0.75IN

$$
762 
WWUS53 KMPX 021535
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1035 AM CDT TUE AUG 2 2011

WIC005-021550-
/O.CAN.KMPX.SV.W.0230.000000T0000Z-110802T1615Z/
BARRON WI-
1035 AM CDT TUE AUG 2 2011

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

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4537 9091 4537 9120 4536 9149 4551 9148
      4565 9150 4565 9093 4563 9067 4538 9067
TIME...MOT...LOC 1535Z 260DEG 48KT 4595 9089 4569 9088
          4540 9124

$$

WIC107-021615-
/O.CON.KMPX.SV.W.0230.000000T0000Z-110802T1615Z/
RUSK WI-
1035 AM CDT TUE AUG 2 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR RUSK COUNTY
UNTIL 1115 AM CDT...

AT 1032 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6
MILES NORTHWEST OF LORETTA TO 10 MILES SOUTH OF WINTER TO BRUCE...
MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  LADYSMITH...TONY...CONRATH...GLEN FLORA...HAWKINS AND INGRAM.

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 4537 9120 4536 9149 4551 9148
      4565 9150 4565 9093 4563 9067 4538 9067
TIME...MOT...LOC 1535Z 260DEG 48KT 4595 9089 4569 9088
          4540 9124
WIND...HAIL 60MPH <.75IN

$$
878 
WWUS53 KMPX 021549
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1049 AM CDT TUE AUG 2 2011

WIC107-021615-
/O.CON.KMPX.SV.W.0230.000000T0000Z-110802T1615Z/
RUSK WI-
1049 AM CDT TUE AUG 2 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN RUSK
COUNTY UNTIL 1115 AM CDT...

AT 1046 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10
MILES EAST OF LORETTA TO 7 MILES NORTH OF HAWKINS TO CONRATH...MOVING
EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  HAWKINS.

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 4537 9123 4552 9117 4565 9117
      4565 9093 4563 9067 4538 9067
TIME...MOT...LOC 1550Z 266DEG 48KT 4588 9057 4562 9066
          4542 9094
WIND...HAIL 60MPH <.75IN

$$
702 
WWUS53 KMPX 021604
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1104 AM CDT TUE AUG 2 2011

WIC107-021615-
/O.CON.KMPX.SV.W.0230.000000T0000Z-110802T1615Z/
RUSK WI-
1104 AM CDT TUE AUG 2 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
RUSK COUNTY UNTIL 1115 AM CDT...

AT 1100 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10
MILES NORTHEAST OF HAWKINS TO JUMP RIVER...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...

RURAL AREAS NORTH OF INGRAM AND HAWKINS

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 4543 9067 4539 9083 4545 9088 4565 9093
      4563 9067
TIME...MOT...LOC 1604Z 270DEG 46KT 4560 9046 4541 9068
WIND...HAIL 60MPH <.75IN

$$
181 
WWUS53 KMPX 021610
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1110 AM CDT TUE AUG 2 2011

WIC107-021625-
/O.EXP.KMPX.SV.W.0230.000000T0000Z-110802T1615Z/
RUSK WI-
1110 AM CDT TUE AUG 2 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RUSK COUNTY WILL
EXPIRE AT 1115 AM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 PM CDT.

LAT...LON 4543 9067 4539 9083 4545 9088 4565 9093
      4563 9067
TIME...MOT...LOC 1610Z 270DEG 46KT 4558 9035 4539 9057

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 9:09 PM CDTSpecial Weather StatementMPXBarron, Chippewa81 min
Aug 1, 10:36 PM CDTSpecial Weather StatementMPXRusk54 min
Aug 2, 3:29 AM CDTSpecial Weather StatementMPXRusk46 min
Aug 2, 4:17 AM CDTSpecial Weather StatementMPXBarron, Polk, Rusk58 min
Aug 2, 4:36 AM CDTSevere Thunderstorm WarningMPXBarron, Polk, Rusk54 min
Aug 2, 4:44 AM CDTAreal Flood AdvisoryMPXBarron, Chippewa, Dunn, Polk, Rusk6 hr
Aug 2, 5:29 AM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn, Rusk61 min
Aug 2, 8:31 AM CDTSevere Thunderstorm WarningMPXPolk74 min
Aug 2, 9:13 AM CDTSevere Thunderstorm WarningMPXBarron, Polk62 min
Aug 2, 9:56 AM CDTFlash Flood WarningMPXBarron, Rusk5 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2011Every severe thunderstorm warning in 2011

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.