Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 19, NWS Twin Cities, MN

May 29, 2013Chippewa County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 29, 2013, 5:04 PM CDT for Chippewa County, Wisconsin. It was in force for 41 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, 2013, 5:04 PM CDT (22:04 UTC)
Expired: May 29, 2013, 5:45 PM CDT
In force: 41 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Chippewa County, WI

The radar

The La Crosse radar (KARX), 133 km from the middle of the area, began a volume at 22:08 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.

Issued	Product	Office	Lasted
May 29, 2:56 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.1 hours before the alert went out and 191 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

527 
WUUS53 KMPX 292204
SVRMPX
WIC017-292245-
/O.NEW.KMPX.SV.W.0019.130529T2204Z-130529T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
504 PM CDT WED MAY 29 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 545 PM CDT

* AT 503 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM CHIPPEWA FALLS TO 13 MILES SOUTHWEST OF THORP
  TO 13 MILES WEST OF GREENWOOD...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  LAKE WISSOTA...BATEMAN...CADOTT...BOYD...JIM FALLS AND STANLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4486 9147 4500 9140 4526 9095 4526 9091
      4486 9091
TIME...MOT...LOC 2204Z 219DEG 35KT 4492 9137 4480 9091
          4477 9085

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

$$

CLF

1 follow-up statement

502 
WWUS53 KMPX 292235
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
535 PM CDT WED MAY 29 2013

WIC017-292245-
/O.CON.KMPX.SV.W.0019.000000T0000Z-130529T2245Z/
CHIPPEWA WI-
535 PM CDT WED MAY 29 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
CHIPPEWA COUNTY UNTIL 545 PM CDT...

AT 533 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 17 MILES EAST OF BLOOMER TO 8 MILES NORTHWEST OF
THORP TO THORP...AND MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN CHIPPEWA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4497 9091 4496 9115 4500 9140 4526 9095
      4526 9091
TIME...MOT...LOC 2236Z 216DEG 31KT 4514 9113 4508 9087
          4503 9078

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

$$

CLF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 3:55 PM CDT	Special Weather Statement	MPX	Pepin	65 min
May 29, 4:27 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	48 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2013 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.