Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 170, NWS Twin Cities, MN

July 21, 20164 counties in Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 2016, 5:10 AM CDT for 4 counties in Wisconsin. It was in force for 65 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 21, 2016, 5:10 AM CDT (10:10 UTC)
Expired
Jul 21, 2016, 6:15 AM CDT
In force
65 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 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), 164 km from the middle of the area, began a volume at 10:10 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 21, 12:32 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 10.2 hours before the alert went out and 201 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 00:00Z on 2016-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3666 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 00:00Z on 2016-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
3666 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
2.8
Supercell composite
22.0

Open this sounding in Storm Lab

The text

As transmitted.

217 
WUUS53 KMPX 211010
SVRMPX
WIC005-017-033-107-211115-
/O.NEW.KMPX.SV.W.0170.160721T1010Z-160721T1115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
510 AM CDT THU JUL 21 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RUSK COUNTY IN NORTHWESTERN WISCONSIN...
  SOUTHEASTERN BARRON COUNTY IN NORTHWESTERN WISCONSIN...
  NORTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 615 AM CDT

* AT 509 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR EXELAND TO NEAR RIDGELAND...MOVING SOUTHEAST AT
  55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS.  SPOTTERS REPORTED TREES DOWN
           IN BARRON COUNTY. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  BLOOMER AND HAWKINS AROUND 535 AM CDT. 
  CHIPPEWA FALLS AROUND 545 AM CDT. 
  LAKE WISSOTA AROUND 550 AM CDT. 
  CADOTT AROUND 555 AM CDT. 
  BOYD AROUND 600 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TILDEN...JIM FALLS...CHIPPEWA MORAINE STATE REC AREA...HILLSDALE...
EAGLETON...INGRAM...HOLCOMBE...ISLAND LAKE...CONRATH AND RUSK COUNTY
AIRPORT.

THIS INCLUDES U.S. HIGHWAY 53 BETWEEN MILE MARKERS 97 AND 135.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4537 9092 4490 9093 4491 9148 4521 9203
      4564 9139 4563 9067 4538 9068
TIME...MOT...LOC 1009Z 298DEG 48KT 4565 9117 4519 9195 

HAIL...<.75IN
WIND...60MPH
 
$$

SPD
2 follow-up statements
308 
WWUS53 KMPX 211044
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
544 AM CDT THU JUL 21 2016

WIC005-211054-
/O.CAN.KMPX.SV.W.0170.000000T0000Z-160721T1115Z/
BARRON WI-
544 AM CDT THU JUL 21 2016

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

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT FOR
WEST CENTRAL AND NORTHWESTERN WISCONSIN.

LAT...LON 4537 9092 4490 9093 4491 9148 4506 9175
      4564 9104 4563 9067 4538 9068
TIME...MOT...LOC 1044Z 298DEG 48KT 4544 9062 4498 9140 

$$

WIC017-033-107-211115-
/O.CON.KMPX.SV.W.0170.000000T0000Z-160721T1115Z/
RUSK WI-DUNN WI-CHIPPEWA WI-
544 AM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CDT
FOR RUSK...EAST CENTRAL DUNN AND CHIPPEWA COUNTIES...

AT 544 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF KENNAN TO NEAR TILDEN...MOVING
SOUTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  BOYD AROUND 605 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE ISLAND
LAKE...TILDEN...JIM FALLS...CONRATH...RUSK COUNTY AIRPORT...CHIPPEWA
MORAINE STATE REC AREA...EAGLETON...OTTER LAKE...TONY AND BATEMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4537 9092 4490 9093 4491 9148 4506 9175
      4564 9104 4563 9067 4538 9068
TIME...MOT...LOC 1044Z 298DEG 48KT 4544 9062 4498 9140 

HAIL...<.75IN
WIND...60MPH
 
$$

SPD
261 
WWUS53 KMPX 211112
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
612 AM CDT THU JUL 21 2016

WIC017-033-107-211122-
/O.EXP.KMPX.SV.W.0170.000000T0000Z-160721T1115Z/
RUSK WI-DUNN WI-CHIPPEWA WI-
612 AM CDT THU JUL 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR RUSK...EAST CENTRAL DUNN AND
CHIPPEWA COUNTIES WILL EXPIRE AT 615 AM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT FOR
WEST CENTRAL AND NORTHWESTERN WISCONSIN.

LAT...LON 4537 9092 4490 9093 4491 9148 4506 9175
      4564 9104 4563 9067 4538 9068
TIME...MOT...LOC 1111Z 298DEG 48KT 4544 9062 4498 9140 

$$

SPD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 3:39 AM CDTSpecial Weather StatementMPXPolk66 min
Jul 21, 4:32 AM CDTSpecial Weather StatementMPXBarron, Dunn, Saint Croix58 min
Jul 21, 4:34 AM CDTSpecial Weather StatementMPXPierce56 min
Jul 21, 5:25 AM CDTSpecial Weather StatementMPXDunn, Eau Claire, Pepin, Pierce65 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every severe thunderstorm warning in 2016

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.