Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 34, NWS Twin Cities, MN

May 31, 2013Chippewa County, Dunn County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 31, 2013, 6:55 PM CDT for Chippewa County, Dunn County, Eau Claire County, Wisconsin. It was in force for 35 min. 4 reports 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
May 31, 2013, 6:55 PM CDT (23:55 UTC)
Expired
May 31, 2013, 7:30 PM CDT
In force
35 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Chippewa County, WI, Dunn County, WI, Eau Claire County, WI

The radar

The La Crosse radar (KARX), 124 km from the middle of the area, began a volume at 23:55 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
May 31, 7:00 PM CDTHAIL 14 W Bloomer, WI
May 31, 7:11 PM CDTHAIL 0.881 W Eau Claire, WI
May 31, 7:19 PM CDTHAIL 0.75Chippewa Falls, WI
May 31, 7:21 PM CDTHAIL 0.88Bloomer, 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
May 31, 2:35 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 162 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 2013-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2013-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.19395878Sfc1 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
60 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

043 
WUUS53 KMPX 312355
SVRMPX
WIC017-033-035-010030-
/O.NEW.KMPX.SV.W.0034.130531T2355Z-130601T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
655 PM CDT FRI MAY 31 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 730 PM CDT

* AT 653 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR EAU
  CLAIRE...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES AND CROPS IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  CHIPPEWA FALLS...BLOOMER...LAKE HALLIE...LAKE WISSOTA...BATEMAN AND
  EAGLETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4488 9164 4514 9157 4514 9144 4505 9137
      4494 9122 4470 9151 4469 9176 4476 9175
TIME...MOT...LOC 2356Z 217DEG 35KT 4486 9156

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

$$

CLF
2 follow-up statements
996 
WWUS53 KMPX 010014
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
714 PM CDT FRI MAY 31 2013

WIC033-010024-
/O.CAN.KMPX.SV.W.0034.000000T0000Z-130601T0030Z/
DUNN WI-
714 PM CDT FRI MAY 31 2013

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

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4470 9151 4469 9165 4473 9166 4489 9156
      4500 9151 4514 9155 4514 9144 4505 9137
      4494 9122
TIME...MOT...LOC 0014Z 232DEG 29KT 4493 9139

$$

WIC017-035-010030-
/O.CON.KMPX.SV.W.0034.000000T0000Z-130601T0030Z/
CHIPPEWA WI-EAU CLAIRE WI-
714 PM CDT FRI MAY 31 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
EAU CLAIRE AND CENTRAL CHIPPEWA COUNTIES IN WEST CENTRAL WISCONSIN
UNTIL 730 PM CDT...

AT 711 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CHIPPEWA
FALLS...AND MOVING NORTHEAST AT 35 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES AND CROPS IS EXPECTED.

LOCATIONS IMPACTED INCLUDE...
BLOOMER...LAKE WISSOTA...BATEMAN AND EAGLETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4470 9151 4469 9165 4473 9166 4489 9156
      4500 9151 4514 9155 4514 9144 4505 9137
      4494 9122
TIME...MOT...LOC 0014Z 232DEG 29KT 4493 9139

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

$$

CLF
948 
WWUS53 KMPX 010020
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
720 PM CDT FRI MAY 31 2013

WIC017-035-010030-
/O.CON.KMPX.SV.W.0034.000000T0000Z-130601T0030Z/
CHIPPEWA WI-EAU CLAIRE WI-
720 PM CDT FRI MAY 31 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
EAU CLAIRE AND SOUTH CENTRAL CHIPPEWA COUNTIES IN WEST CENTRAL
WISCONSIN UNTIL 730 PM CDT...

AT 716 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CHIPPEWA
FALLS...AND MOVING NORTHEAST AT 35 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES AND CROPS IS EXPECTED.

LOCATIONS IMPACTED INCLUDE...
BATEMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4478 9143 4492 9146 4505 9142 4505 9137
      4494 9122
TIME...MOT...LOC 0020Z 232DEG 29KT 4496 9133

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

$$

CLF

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 3:20 PM CDTSevere Thunderstorm WarningMPXChippewa, Dunn, Eau Claire, Pepin40 min
May 31, 4:01 PM CDTSevere Thunderstorm WarningMPXEau Claire29 min
May 31, 4:12 PM CDTSpecial Weather StatementMPXChippewa33 min
May 31, 4:21 PM CDTSevere Thunderstorm WarningMPXEau Claire24 min
May 31, 4:33 PM CDTSpecial Weather StatementMPXPolk27 min
May 31, 4:52 PM CDTSpecial Weather StatementMPXEau Claire23 min
May 31, 5:03 PM CDTSpecial Weather StatementMPXSaint Croix27 min
May 31, 5:06 PM CDTSpecial Weather StatementMPXBarron24 min
May 31, 5:09 PM CDTSevere Thunderstorm WarningMPXBarron, Polk21 min
May 31, 5:11 PM CDTSevere Thunderstorm WarningMPXSaint Croix19 min
May 31, 5:27 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Polk, Saint Croix33 min
May 31, 5:33 PM CDTSevere Thunderstorm WarningMPXBarron, Polk27 min
May 31, 5:39 PM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix21 min
May 31, 5:57 PM CDTSevere Thunderstorm WarningMPXDunn33 min
May 31, 6:09 PM CDTSevere Thunderstorm WarningMPXDunn21 min
May 31, 6:22 PM CDTSevere Thunderstorm WarningMPXDunn23 min
May 31, 6:30 PM CDTSevere Thunderstorm WarningMPXChippewa, Dunn30 min
May 31, 6:42 PM CDTSevere Thunderstorm WarningMPXEau Claire, Pepin33 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2013Every severe thunderstorm warning in 2013

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.