Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 110, NWS Twin Cities, MN

July 18, 20155 counties in Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 2015, 2:00 AM CDT for 5 counties in Wisconsin. It was in force for 60 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 18, 2015, 2:00 AM CDT (07:00 UTC)
Expired
Jul 18, 2015, 3:00 AM CDT
In force
60 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, Eau Claire County, WI, Pepin County, WI

The radar

The La Crosse radar (KARX), 123 km from the middle of the area, began a volume at 06:59 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
Jul 18, 2:17 AM CDTTSTM WND GST 472 Ssw Eau Claire, WI

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
Jul 18, 12:41 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.0 hours before the alert went out and 158 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 2015-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 888 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 2015-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
888 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1752 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

453 
WUUS53 KMPX 180700
SVRMPX
WIC005-017-033-035-091-180800-
/O.NEW.KMPX.SV.W.0110.150718T0700Z-150718T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
200 AM CDT SAT JUL 18 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
  CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
  EASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...
  SOUTHEASTERN BARRON COUNTY IN NORTHWESTERN WISCONSIN...

* UNTIL 300 AM CDT

* AT 159 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM CLAYTON TO TAINTER LAKE TO NEAR NELSON...MOVING EAST
  AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  COLFAX AROUND 205 AM CDT.
  BLOOMER AND DALLAS AROUND 215 AM CDT.
  CHIPPEWA FALLS AROUND 220 AM CDT.
  LAKE WISSOTA AROUND 225 AM CDT.
  CADOTT AROUND 235 AM CDT.
  BOYD AROUND 240 AM CDT.
  STANLEY AROUND 245 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TAINTER LAKE...HOFFMAN HILLS REC AREA...TILDEN...JIM FALLS...
CARYVILLE...LUDINGTON...FOSTER...CHIPPEWA MORAINE STATE REC AREA...
SEYMOUR AND LAKE EAU CLAIRE COUNTY PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 45 AND 86.
 U.S. HIGHWAY 53 BETWEEN MILE MARKERS 86 AND 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9197 4497 9186 4530 9192 4529 9093
      4460 9092
TIME...MOT...LOC 0659Z 266DEG 47KT 4534 9214 4500 9181 4444 9195 

HAIL...<.75IN
WIND...60MPH
 
$$
4 follow-up statements
377 
WWUS53 KMPX 180716
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
216 AM CDT SAT JUL 18 2015

WIC005-017-033-035-091-180800-
/O.CON.KMPX.SV.W.0110.000000T0000Z-150718T0800Z/
PEPIN WI-CHIPPEWA WI-DUNN WI-EAU CLAIRE WI-BARRON WI-
216 AM CDT SAT JUL 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR NORTHEASTERN PEPIN...CHIPPEWA...EASTERN DUNN...EAU CLAIRE AND
SOUTHEASTERN BARRON COUNTIES...

AT 216 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HILLSDALE TO NEAR TILDEN TO NEAR GILMANTON...
MOVING EAST 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...
  CHIPPEWA FALLS AND BLOOMER AROUND 220 AM CDT.
  LAKE WISSOTA AROUND 225 AM CDT.
  CADOTT AROUND 235 AM CDT.
  BOYD AROUND 240 AM CDT.
  STANLEY AROUND 245 AM CDT.
  FAIRCHILD AROUND 255 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TAINTER LAKE...HOFFMAN HILLS REC AREA...TILDEN...JIM FALLS...
CARYVILLE...LUDINGTON...FOSTER...CHIPPEWA MORAINE STATE REC AREA...
SEYMOUR AND LAKE EAU CLAIRE COUNTY PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 45 AND 86.
 U.S. HIGHWAY 53 BETWEEN MILE MARKERS 86 AND 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4529 9093 4460 9092 4460 9197 4497 9186
      4530 9192
TIME...MOT...LOC 0716Z 266DEG 47KT 4536 9183 4502 9150 4446 9164 

HAIL...<.75IN
WIND...60MPH
 
$$
854 
WWUS53 KMPX 180734
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
234 AM CDT SAT JUL 18 2015

WIC033-091-180743-
/O.CAN.KMPX.SV.W.0110.000000T0000Z-150718T0800Z/
PEPIN WI-DUNN WI-
234 AM CDT SAT JUL 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PEPIN AND EASTERN
DUNN COUNTIES 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
NORTHWESTERN WISCONSIN.

LAT...LON 4460 9165 4512 9165 4512 9166 4530 9169
      4529 9093 4460 9092
TIME...MOT...LOC 0733Z 277DEG 47KT 4532 9144 4489 9121 4435 9137 

$$

WIC005-017-035-180800-
/O.CON.KMPX.SV.W.0110.000000T0000Z-150718T0800Z/
CHIPPEWA WI-EAU CLAIRE WI-BARRON WI-
234 AM CDT SAT JUL 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR CHIPPEWA...EAU CLAIRE AND SOUTHEASTERN BARRON COUNTIES...

AT 233 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR ISLAND LAKE TO NEAR BATEMAN TO NEAR
INDEPENDENCE...MOVING EAST 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...
  CADOTT AND BOYD AROUND 240 AM CDT.
  STANLEY AROUND 250 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TILDEN...JIM FALLS...LUDINGTON...FOSTER...CHIPPEWA MORAINE STATE REC
AREA...SEYMOUR...LAKE EAU CLAIRE COUNTY PARK...EAGLETON...HOLCOMBE
AND OTTER LAKE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 57 AND 86.
 U.S. HIGHWAY 53 BETWEEN MILE MARKERS 86 AND 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9165 4512 9165 4512 9166 4530 9169
      4529 9093 4460 9092
TIME...MOT...LOC 0733Z 277DEG 47KT 4532 9144 4489 9121 4435 9137 

HAIL...<.75IN
WIND...60MPH
 
$$
107 
WWUS53 KMPX 180745
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
245 AM CDT SAT JUL 18 2015

WIC005-180755-
/O.CAN.KMPX.SV.W.0110.000000T0000Z-150718T0800Z/
BARRON WI-
245 AM CDT SAT JUL 18 2015

...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 WISCONSIN.

LAT...LON 4460 9158 4486 9153 4529 9153 4529 9093
      4460 9092
TIME...MOT...LOC 0745Z 270DEG 47KT 4533 9126 4490 9103 4436 9119 

$$

WIC017-035-180800-
/O.CON.KMPX.SV.W.0110.000000T0000Z-150718T0800Z/
CHIPPEWA WI-EAU CLAIRE WI-
245 AM CDT SAT JUL 18 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR CHIPPEWA AND EAU CLAIRE COUNTIES...

AT 245 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR ISLAND LAKE TO NEAR BOYD TO NEAR TAYLOR...MOVING
EAST 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...
  STANLEY AND BOYD AROUND 250 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TILDEN...JIM FALLS...LUDINGTON...FOSTER...CHIPPEWA MORAINE STATE REC
AREA...SEYMOUR...LAKE EAU CLAIRE COUNTY PARK...EAGLETON...HOLCOMBE
AND OTTER LAKE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 65 AND 86.
 U.S. HIGHWAY 53 BETWEEN MILE MARKERS 86 AND 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9158 4486 9153 4529 9153 4529 9093
      4460 9092
TIME...MOT...LOC 0745Z 270DEG 47KT 4533 9126 4490 9103 4436 9119 

HAIL...<.75IN
WIND...60MPH
 
$$
282 
WWUS53 KMPX 180752
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
252 AM CDT SAT JUL 18 2015

WIC017-035-180802-
/O.EXP.KMPX.SV.W.0110.000000T0000Z-150718T0800Z/
CHIPPEWA WI-EAU CLAIRE WI-
252 AM CDT SAT JUL 18 2015

...THE SEVERE THUNDERSTORM WARNING FOR CHIPPEWA AND EAU CLAIRE
COUNTIES WILL EXPIRE AT 300 AM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

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

LAT...LON 4460 9158 4486 9153 4529 9153 4529 9093
      4460 9092
TIME...MOT...LOC 0750Z 266DEG 47KT 4533 9126 4490 9103 4436 9119 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:55 AM CDTSevere Thunderstorm WarningMPXPierce50 min
Jul 18, 1:06 AM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix39 min
Jul 18, 1:27 AM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Pepin, Pierce, Polk, Saint Croix48 min
Jul 18, 1:52 AM CDTTornado WarningMPXDunn, Pepin23 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2015Every severe thunderstorm warning in 2015

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.