Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 54, NWS Twin Cities, MN

May 29, 2018Chippewa County, Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 29, 2018, 5:30 PM CDT for Chippewa County, Dunn County, Wisconsin. It was in force for 26 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 29, 2018, 5:30 PM CDT (22:30 UTC)
Expired
May 29, 2018, 5:56 PM CDT
In force
26 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Chippewa County, WI, Dunn County, WI

The radar

The La Crosse radar (KARX), 132 km from the middle of the area, began a volume at 22:31 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.5 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 2018-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 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 2018-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
138 J/kg
Mixed-layer CIN
-309 J/kg
Mixed-layer LCL
1748 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

478 
WUUS53 KMPX 292230
SVRMPX
WIC017-033-292330-
/O.NEW.KMPX.SV.W.0054.180529T2230Z-180529T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
530 PM CDT TUE MAY 29 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Dunn County in west central Wisconsin...
  Southwestern Chippewa County in west central Wisconsin...

* Until 630 PM CDT

* At 530 PM CDT, a severe thunderstorm was located over Elk Mound, or
  11 miles west of Eau Claire, moving north at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

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

* This severe thunderstorm will be near,
  Colfax around 600 PM CDT. 
  Wheeler around 625 PM CDT. 

Other locations impacted by this severe thunderstorm include Hoffman
Hills Rec Area and Tainter Lake.

This includes Interstate 94 in Wisconsin between mile markers 48 and
55.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4486 9154 4486 9177 4507 9199 4513 9159
TIME...MOT...LOC 2230Z 158DEG 13KT 4490 9167 

HAIL...1.25IN
WIND...60MPH
 
$$

DWE
2 follow-up statements
467 
WWUS53 KMPX 292249
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
549 PM CDT TUE MAY 29 2018

WIC017-033-292330-
/O.CON.KMPX.SV.W.0054.000000T0000Z-180529T2330Z/
Dunn WI-Chippewa WI-
549 PM CDT TUE MAY 29 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTHEASTERN DUNN AND WEST CENTRAL CHIPPEWA COUNTIES...

At 549 PM CDT, a severe thunderstorm was located over Colfax, or 10
miles northeast of Menomonie, moving north at 15 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...
  Colfax around 555 PM CDT. 

Other locations impacted by this severe thunderstorm include Hoffman
Hills Rec Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4496 9156 4493 9180 4508 9190 4513 9159
TIME...MOT...LOC 2249Z 158DEG 13KT 4497 9171 

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

DWE
825 
WWUS53 KMPX 292256
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
556 PM CDT TUE MAY 29 2018

WIC017-033-292306-
/O.CAN.KMPX.SV.W.0054.000000T0000Z-180529T2330Z/
Dunn WI-Chippewa WI-
556 PM CDT TUE MAY 29 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DUNN AND WEST
CENTRAL CHIPPEWA COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.  However gusty winds are still possible with this
thunderstorm.

LAT...LON 4496 9156 4493 9180 4508 9190 4513 9159
TIME...MOT...LOC 2255Z 158DEG 13KT 4500 9172 

$$

DWE

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:19 PM CDTSevere Thunderstorm WarningMPXBarron, Polk26 min
May 28, 7:44 PM CDTSevere Thunderstorm WarningMPXBarron, Polk46 min
May 28, 8:33 PM CDTSpecial Weather StatementMPXBarron27 min
May 28, 8:35 PM CDTSpecial Weather StatementMPXPepin25 min
May 28, 9:02 PM CDTSpecial Weather StatementMPXBarron43 min
May 28, 9:06 PM CDTSpecial Weather StatementMPXPepin39 min
May 28, 9:34 PM CDTSpecial Weather StatementMPXEau Claire26 min
May 28, 9:42 PM CDTSpecial Weather StatementMPXRusk33 min
May 28, 9:59 PM CDTSpecial Weather StatementMPXChippewa, Eau Claire31 min
May 28, 10:10 PM CDTSpecial Weather StatementMPXRusk50 min
May 28, 10:29 PM CDTSpecial Weather StatementMPXChippewa31 min
May 28, 10:59 PM CDTSpecial Weather StatementMPXRusk46 min
May 29, 2:35 PM CDTSpecial Weather StatementMPXPierce, Polk, Saint Croix70 min
May 29, 3:29 PM CDTSpecial Weather StatementMPXPolk76 min
May 29, 3:59 PM CDTSevere Thunderstorm WarningMPXPierce22 min
May 29, 4:00 PM CDTSevere Thunderstorm WarningMPXPolk60 min
May 29, 4:57 PM CDTSpecial Weather StatementMPXChippewa, Dunn, Eau Claire, Pepin63 min
May 29, 5:10 PM CDTSevere Thunderstorm WarningMPXChippewa, Rusk50 min
May 29, 5:53 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Rusk52 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.