Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 66, NWS Twin Cities, MN

June 11, 2017Dunn County, Eau Claire County, Pepin County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2017, 10:04 AM CDT for Dunn County, Eau Claire County, Pepin County, Wisconsin. It was in force for 56 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 11, 2017, 10:04 AM CDT (15:04 UTC)
Expired: Jun 11, 2017, 11:00 AM CDT
In force: 56 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Dunn County, WI, Eau Claire County, WI, Pepin County, WI

The radar

The La Crosse radar (KARX), 102 km from the middle of the area, began a volume at 15:03 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
Jun 11, 6:28 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 3.1 hours before the alert went out and 137 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: 2213 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted.

412 
WUUS53 KMPX 111504
SVRMPX
WIC033-035-091-111600-
/O.NEW.KMPX.SV.W.0066.170611T1504Z-170611T1600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1004 AM CDT SUN JUN 11 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Pepin County in west central Wisconsin...
  Southern Dunn County in west central Wisconsin...
  Eau Claire County in west central Wisconsin...

* Until 1100 AM CDT

* At 1003 AM CDT, severe thunderstorms were located along a line
  extending from Weston to Pine Island, moving east at 55 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. 

* Severe thunderstorms will be near,
  Altoona around 1035 AM CDT. 
  Eau Claire around 1040 AM CDT. 

Other locations impacted by these severe thunderstorms include
Arkansaw, Caryville, Foster, Brackett, Downsville, Weston, Porcupine,
Rock Falls, Ludington and Allen.

This includes the following highways...
 Interstate 94 in Wisconsin between mile markers 60 and 84.
 U.S. Highway 53 between mile markers 86 and 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9127 4460 9196 4459 9197 4460 9200
      4456 9204 4450 9205 4441 9209 4445 9223
      4450 9230 4454 9231 4454 9213 4482 9213
      4486 9103
TIME...MOT...LOC 1503Z 265DEG 49KT 4483 9210 4421 9260 

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

JLT

4 follow-up statements

829 
WWUS53 KMPX 111517
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1017 AM CDT SUN JUN 11 2017

WIC033-035-091-111600-
/O.CON.KMPX.SV.W.0066.000000T0000Z-170611T1600Z/
Pepin WI-Dunn WI-Eau Claire WI-
1017 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT
FOR PEPIN...SOUTHERN DUNN AND EAU CLAIRE COUNTIES...

At 1017 AM CDT, severe thunderstorms were located along a line
extending from Downsville to Pepin, moving east at 70 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. 

Locations impacted include...
Eau Claire, Altoona, Durand, Fall Creek, Pepin, Eau Galle, Stockholm,
Ludington, Weston, Rock Falls, Foster and Caryville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4460 9127 4460 9196 4459 9197 4460 9200
      4456 9204 4450 9205 4441 9209 4445 9223
      4450 9230 4454 9231 4454 9213 4482 9213
      4486 9103
TIME...MOT...LOC 1517Z 263DEG 61KT 4480 9193 4446 9218 

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

JLT

716 
WWUS53 KMPX 111528
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1028 AM CDT SUN JUN 11 2017

WIC033-035-091-111600-
/O.CON.KMPX.SV.W.0066.000000T0000Z-170611T1600Z/
Pepin WI-Dunn WI-Eau Claire WI-
1028 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT
FOR PEPIN...SOUTHERN DUNN AND EAU CLAIRE COUNTIES...

At 1028 AM CDT, severe thunderstorms were located along a line
extending from near Downsville to near Misha Mokwa, moving east at 40
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. 

Locations impacted include...
Eau Claire, Altoona, Durand, Fall Creek, Eau Galle, Ludington,
Weston, Rock Falls, Foster, Caryville, Allen and Arkansaw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
The Twin Cities.

&&

LAT...LON 4460 9127 4460 9196 4459 9197 4460 9200
      4456 9204 4450 9205 4454 9213 4482 9213
      4486 9103
TIME...MOT...LOC 1528Z 262DEG 35KT 4482 9193 4447 9198 

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

JLT

883 
WWUS53 KMPX 111542
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1042 AM CDT SUN JUN 11 2017

WIC033-035-091-111600-
/O.CON.KMPX.SV.W.0066.000000T0000Z-170611T1600Z/
Pepin WI-Dunn WI-Eau Claire WI-
1042 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT
FOR NORTHEASTERN PEPIN...SOUTHEASTERN DUNN AND EAU CLAIRE COUNTIES...

At 1042 AM CDT, severe thunderstorms were located along a line
extending from near Elk Mound to near Modena, moving east at 40 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. 

Locations impacted include...
Eau Claire, Altoona, Fall Creek, Ludington, Rock Falls, Foster,
Caryville, Brackett, Allen and Seymour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
The Twin Cities.

&&

LAT...LON 4460 9127 4461 9190 4483 9190 4486 9103
TIME...MOT...LOC 1542Z 262DEG 35KT 4483 9175 4449 9180 

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

JLT

508 
WWUS53 KMPX 111556
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1056 AM CDT SUN JUN 11 2017

WIC033-035-091-111605-
/O.EXP.KMPX.SV.W.0066.000000T0000Z-170611T1600Z/
Pepin WI-Dunn WI-Eau Claire WI-
1056 AM CDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PEPIN...
SOUTHEASTERN DUNN AND EAU CLAIRE COUNTIES WILL EXPIRE AT 1100 AM
CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with these thunderstorms.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.

LAT...LON 4460 9127 4461 9190 4483 9190 4486 9103
TIME...MOT...LOC 1555Z 265DEG 49KT 4484 9151 4450 9157 

$$

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:50 AM CDT	Severe Thunderstorm Warning	MPX	Pierce, Polk, Saint Croix	40 min
Jun 11, 9:25 AM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Polk, Saint Croix	65 min
Jun 11, 9:37 AM CDT	Severe Thunderstorm Warning	MPX	Pepin, Pierce	38 min
Jun 11, 9:58 AM CDT	Tornado Warning	MPX	Pepin, Pierce	32 min
Jun 11, 10:03 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	57 min
Jun 11, 11:00 AM CDT	Special Weather Statement	MPX	Eau Claire	45 min
Jun 11, 1:44 PM CDT	Special Weather Statement	MPX	Barron	61 min
Jun 11, 6:17 PM CDT	Special Weather Statement	MPX	Dunn	28 min
Jun 11, 6:44 PM CDT	Special Weather Statement	MPX	Dunn	46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2017 Every severe thunderstorm warning in 2017

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.