Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 24, NWS Twin Cities, MN

May 25, 2018Barron County, Chippewa County, Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2018, 6:42 PM CDT for Barron County, Chippewa County, Dunn County, Wisconsin. It was in force for 37 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
May 25, 2018, 6:42 PM CDT (23:42 UTC)
Expired
May 25, 2018, 7:19 PM CDT
In force
37 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

The radar

The La Crosse radar (KARX), 147 km from the middle of the area, began a volume at 23:46 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
May 25, 2:02 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.7 hours before the alert went out and 151 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 2018-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 543 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 2018-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
543 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

871 
WUUS53 KMPX 252342
SVRMPX
WIC005-017-033-260045-
/O.NEW.KMPX.SV.W.0024.180525T2342Z-180526T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
642 PM CDT FRI MAY 25 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Dunn County in west central Wisconsin...
  Western Chippewa County in west central Wisconsin...
  Southern Barron County in northwestern Wisconsin...

* Until 745 PM CDT

* At 642 PM CDT, severe thunderstorms were located along a line
  extending from near Prairie Farm to near Boyceville to near Knapp,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Severe thunderstorms will be near,
  Wheeler and Ridgeland around 650 PM CDT. 
  Menomonie around 655 PM CDT. 
  Dallas around 700 PM CDT. 
  Chetek around 705 PM CDT. 
  Colfax around 710 PM CDT. 
  Elk Mound and New Auburn around 715 PM CDT. 
  Bloomer around 720 PM CDT. 
  Lake Hallie around 730 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4485 9146 4491 9214 4495 9214 4511 9204
      4530 9208 4532 9155 4529 9152 4529 9142
      4504 9135
TIME...MOT...LOC 2342Z 278DEG 34KT 4528 9202 4510 9200 4498 9210 

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

BORGHOFF
2 follow-up statements
670 
WWUS53 KMPX 260000
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
700 PM CDT FRI MAY 25 2018

WIC005-260009-
/O.CAN.KMPX.SV.W.0024.000000T0000Z-180526T0045Z/
Barron WI-
700 PM CDT FRI MAY 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BARRON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM CDT for
west central Wisconsin.

LAT...LON 4485 9146 4491 9214 4503 9194 4501 9138
TIME...MOT...LOC 2359Z 299DEG 37KT 4491 9188 

$$

WIC017-033-260045-
/O.CON.KMPX.SV.W.0024.000000T0000Z-180526T0045Z/
Dunn WI-Chippewa WI-
700 PM CDT FRI MAY 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL DUNN AND SOUTHWESTERN CHIPPEWA COUNTIES...

At 659 PM CDT, a severe thunderstorm was located over Menomonie
Airport, or over Menomonie, moving southeast at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

This severe storm will be near...
  Elk Mound around 710 PM CDT. 
  Lake Hallie around 725 PM CDT. 
  Eau Claire around 735 PM CDT. 

Other locations impacted by this severe thunderstorm include Cedar
Falls, Hoffman Hills Rec Area, Eau Claire Airport, Tainter Lake,
Menomonie Airport and Tilden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4485 9146 4491 9214 4503 9194 4501 9138
TIME...MOT...LOC 2359Z 299DEG 37KT 4491 9188 

HAIL...1.00IN
WIND...60MPH
 
$$

BORGHOFF
108 
WWUS53 KMPX 260019
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
719 PM CDT FRI MAY 25 2018

WIC017-033-260029-
/O.CAN.KMPX.SV.W.0024.000000T0000Z-180526T0045Z/
Dunn WI-Chippewa WI-
719 PM CDT FRI MAY 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DUNN AND SOUTHWESTERN
CHIPPEWA COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM CDT for
west central Wisconsin.

LAT...LON 4485 9146 4491 9214 4503 9194 4501 9138
TIME...MOT...LOC 0017Z 278DEG 34KT 4488 9161 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 7:43 PM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix47 min
May 24, 8:23 PM CDTSpecial Weather StatementMPXPierce, Saint Croix37 min
May 24, 9:03 PM CDTSevere Thunderstorm WarningMPXPierce28 min
May 25, 7:07 AM CDTSpecial Weather StatementMPXPepin23 min
May 25, 7:55 AM CDTSpecial Weather StatementMPXEau Claire50 min
May 25, 10:00 AM CDTSpecial Weather StatementMPXEau Claire60 min
May 25, 10:58 AM CDTSpecial Weather StatementMPXEau Claire62 min
May 25, 3:33 PM CDTSevere Thunderstorm WarningMPXEau Claire24 min
May 25, 3:45 PM CDTSpecial Weather StatementMPXPolk45 min
May 25, 4:46 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn44 min
May 25, 4:49 PM CDTSpecial Weather StatementMPXChippewa26 min
May 25, 5:03 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix57 min
May 25, 5:04 PM CDTSpecial Weather StatementMPXSaint Croix26 min
May 25, 6:01 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Polk, Saint Croix44 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2018Every severe thunderstorm warning in 2018

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.