Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 51, NWS Twin Cities, MN

June 29, 2015Dunn County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 2015, 4:39 PM CDT for Dunn County, Eau Claire County, Wisconsin. It was in force for 25 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
Jun 29, 2015, 4:39 PM CDT (21:39 UTC)
Expired
Jun 29, 2015, 5:04 PM CDT
In force
25 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Dunn County, WI, Eau Claire County, WI

The radar

The La Crosse radar (KARX), 107 km from the middle of the area, began a volume at 21:39 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
Jun 29, 1:57 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.7 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 12:00Z on 2015-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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 2015-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
160 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

328 
WUUS53 KMPX 292139
SVRMPX
WIC033-035-292230-
/O.NEW.KMPX.SV.W.0051.150629T2139Z-150629T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
439 PM CDT MON JUN 29 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  SOUTHWESTERN EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 530 PM CDT

* AT 439 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ELK MOUND...
  OR 9 MILES EAST OF MENOMONIE...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTHEASTERN DUNN AND SOUTHWESTERN EAU CLAIRE COUNTIES...INCLUDING
  THE FOLLOWING LOCATIONS...ALLEN...CARYVILLE AND ROCK FALLS.

THIS INCLUDES INTERSTATE 94 IN WISCONSIN BETWEEN MILE MARKERS 52 AND
67.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9128 4460 9165 4461 9166 4468 9165
      4469 9171 4486 9183 4492 9169 4489 9165
      4486 9165 4486 9161
TIME...MOT...LOC 2139Z 321DEG 25KT 4485 9172 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF
2 follow-up statements
470 
WWUS53 KMPX 292157
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
457 PM CDT MON JUN 29 2015

WIC033-035-292230-
/O.CON.KMPX.SV.W.0051.000000T0000Z-150629T2230Z/
DUNN WI-EAU CLAIRE WI-
457 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN DUNN AND SOUTHWESTERN EAU CLAIRE COUNTIES...

AT 456 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ROCK FALLS...
OR 11 MILES NORTH OF MONDOVI...MOVING SOUTH AT 30 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
ROCK FALLS AND CARYVILLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9128 4460 9165 4461 9166 4468 9165
      4469 9171 4486 9183 4486 9182 4473 9152
TIME...MOT...LOC 2156Z 339DEG 25KT 4473 9167 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF
835 
WWUS53 KMPX 292204
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
504 PM CDT MON JUN 29 2015

WIC033-035-292213-
/O.CAN.KMPX.SV.W.0051.000000T0000Z-150629T2230Z/
DUNN WI-EAU CLAIRE WI-
504 PM CDT MON JUN 29 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DUNN AND
SOUTHWESTERN EAU CLAIRE COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED 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 4460 9128 4460 9165 4461 9166 4468 9165
      4469 9171 4486 9183 4486 9182 4473 9152
TIME...MOT...LOC 2201Z 321DEG 25KT 4469 9162 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 3:13 AM CDTDense Fog AdvisoryMPXBarron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more6 hr
Jun 29, 2:52 PM CDTSpecial Weather StatementMPXChippewa38 min
Jun 29, 3:24 PM CDTSpecial Weather StatementMPXBarron51 min
Jun 29, 3:33 PM CDTSpecial Weather StatementMPXEau Claire27 min
Jun 29, 3:35 PM CDTSpecial Weather StatementMPXBarron25 min
Jun 29, 5:00 PM CDTSevere Thunderstorm WarningMPXPolk60 min
Jun 29, 6:28 PM CDTSevere Thunderstorm WarningMPXSaint Croix47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.