Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 38, NWS Twin Cities, MN

July 19, 2011Barron County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jul 19, 2011, 6:05 PM CDT for Barron County, Rusk County, Wisconsin. It was in force for 55 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
Jul 19, 2011, 6:05 PM CDT (23:05 UTC)
Expired
Jul 19, 2011, 7:00 PM CDT
In force
55 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Barron County, WI, Rusk County, WI

The radar

The Duluth radar (KDLH), 167 km from the middle of the area, began a volume at 23:05 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
Jul 19, 5:43 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 191 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 2011-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5144 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 2011-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
5144 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

237 
WFUS53 KMPX 192305
TORMPX
WIC005-107-200000-
/O.NEW.KMPX.TO.W.0038.110719T2305Z-110720T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
605 PM CDT TUE JUL 19 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BARRON COUNTY IN NORTHWEST WISCONSIN...
  WESTERN RUSK COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 700 PM CDT

* AT 601 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES NORTHEAST
  OF MIKANA...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  MIKANA...
  WEYERHAEUSER...
  BRUCE...
  ISLAND LAKE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

THIS IS A SUPERCELL THUNDERSTORM. IN ADDITION TO TORNADOES...
SUPERCELLS ARE CAPABLE OF PRODUCING EXTREMELY LARGE HAIL AND
DESTRUCTIVE STRAIGHT LINE WINDS. ACT QUICKLY AND MOVE TO SAFETY
INSIDE A STURDY SHELTER...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM
ON THE LOWEST FLOOR.

&&

LAT...LON 4529 9095 4530 9153 4564 9161 4565 9159
      4564 9135
TIME...MOT...LOC 2306Z 326DEG 28KT 4560 9149

$$

DWE
3 follow-up statements
761 
WWUS53 KMPX 192314
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
614 PM CDT TUE JUL 19 2011

WIC005-107-200000-
/O.CON.KMPX.TO.W.0038.000000T0000Z-110720T0000Z/
BARRON WI-RUSK WI-
614 PM CDT TUE JUL 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN RUSK AND
NORTHEASTERN BARRON COUNTIES UNTIL 700 PM CDT...

AT 610 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED 7 MILES SOUTHEAST OF MIKANA...OR 13 MILES EAST OF RICE
LAKE...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEYERHAEUSER...BRUCE AND ISLAND LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4529 9095 4530 9153 4564 9161 4565 9159
      4564 9135
TIME...MOT...LOC 2314Z 326DEG 28KT 4552 9146

$$

DWE
140 
WWUS53 KMPX 192325
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
625 PM CDT TUE JUL 19 2011

WIC005-192340-
/O.CAN.KMPX.TO.W.0038.000000T0000Z-110720T0000Z/
BARRON WI-
625 PM CDT TUE JUL 19 2011

...THE TORNADO WARNING FOR NORTHEASTERN BARRON COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4529 9102 4529 9142 4530 9149 4563 9153
      4564 9135 4530 9096
TIME...MOT...LOC 2325Z 324DEG 28KT 4549 9135

$$

WIC107-200000-
/O.CON.KMPX.TO.W.0038.000000T0000Z-110720T0000Z/
RUSK WI-
625 PM CDT TUE JUL 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN RUSK COUNTY UNTIL
700 PM CDT...

AT 624 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR BRUCE...OR 13 MILES WEST OF LADYSMITH...MOVING
SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEYERHAEUSER...BRUCE AND ISLAND LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4529 9102 4529 9142 4530 9149 4563 9153
      4564 9135 4530 9096
TIME...MOT...LOC 2325Z 324DEG 28KT 4549 9135

$$

DWE
089 
WWUS53 KMPX 192340
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
640 PM CDT TUE JUL 19 2011

WIC107-200000-
/O.CON.KMPX.TO.W.0038.000000T0000Z-110720T0000Z/
RUSK WI-
640 PM CDT TUE JUL 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL RUSK COUNTY UNTIL
700 PM CDT...

AT 637 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS STORM
WAS LOCATED 5 MILES SOUTH OF BRUCE...OR 9 MILES SOUTHWEST OF
LADYSMITH...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  ISLAND LAKE...AND RURAL AREAS OF SOUTHERN RUSK COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4530 9096 4529 9102 4530 9140 4549 9144
      4555 9125
TIME...MOT...LOC 2340Z 324DEG 28KT 4537 9122

$$

DWE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 4:49 PM CDTSpecial Weather StatementMPXRusk41 min
Jul 19, 5:51 PM CDTSevere Thunderstorm WarningMPXBarron, Rusk54 min
Jul 19, 6:45 PM CDTSevere Thunderstorm WarningMPXRusk60 min
Jul 19, 6:54 PM CDTSevere Thunderstorm WarningMPXChippewa66 min

Nearby

Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.