Alert archive / Wisconsin / Tornado Warnings in 2017

Tornado Warning 15, NWS Twin Cities, MN

June 11, 2017Pepin County, Pierce County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jun 11, 2017, 9:58 AM CDT for Pepin County, Pierce County, Wisconsin. It was in force for 32 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, 9:58 AM CDT (14:58 UTC)
Expired: Jun 11, 2017, 10:30 AM CDT
In force: 32 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Pepin County, WI, Pierce County, WI

The radar

The La Crosse radar (KARX), 111 km from the middle of the area, began a volume at 14:58 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, 3.0 hours before the alert went out and 120 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.

616 
WFUS53 KMPX 111458
TORMPX
WIC091-093-111530-
/O.NEW.KMPX.TO.W.0015.170611T1458Z-170611T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
958 AM CDT SUN JUN 11 2017

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Central Pepin County in west central Wisconsin...
  Southeastern Pierce County in west central Wisconsin...

* Until 1030 AM CDT
    
* At 958 AM CDT, a severe thunderstorm capable of producing a tornado
  was located over Frontenac State Park, or 10 miles east of Red
  Wing, moving east at 45 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Plum City around 1010 AM CDT. 
  Durand around 1025 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Ella
and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4460 9200 4458 9203 4447 9206 4443 9208
      4452 9231 4456 9234 4456 9242 4462 9239
      4463 9193 4460 9192
TIME...MOT...LOC 1458Z 282DEG 38KT 4457 9235 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

jrb

4 follow-up statements

206 
WWUS53 KMPX 111505
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1005 AM CDT SUN JUN 11 2017

WIC091-093-111530-
/O.CON.KMPX.TO.W.0015.000000T0000Z-170611T1530Z/
Pepin WI-Pierce WI-
1005 AM CDT SUN JUN 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR CENTRAL
PEPIN AND SOUTHEASTERN PIERCE COUNTIES...
    
At 1004 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Stockholm, or 15 miles northwest of Wabasha, moving
east at 45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Durand around 1020 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Ella
and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4460 9200 4458 9203 4447 9206 4443 9208
      4452 9231 4456 9234 4456 9235 4462 9232
      4463 9193 4460 9192
TIME...MOT...LOC 1504Z 281DEG 40KT 4455 9223 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

jrb

844 
WWUS53 KMPX 111515
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1015 AM CDT SUN JUN 11 2017

WIC091-093-111530-
/O.CON.KMPX.TO.W.0015.000000T0000Z-170611T1530Z/
Pepin WI-Pierce WI-
1015 AM CDT SUN JUN 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR CENTRAL
PEPIN AND SOUTHEASTERN PIERCE COUNTIES...
    
At 1014 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Porcupine, or 15 miles north of Wabasha, moving east
at 45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Durand around 1025 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Ella
and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4460 9200 4458 9203 4447 9206 4443 9208
      4452 9231 4456 9234 4456 9235 4462 9232
      4463 9193 4460 9192
TIME...MOT...LOC 1514Z 262DEG 39KT 4459 9208 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JLT

110 
WWUS53 KMPX 111516
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1016 AM CDT SUN JUN 11 2017

WIC093-111525-
/O.CAN.KMPX.TO.W.0015.000000T0000Z-170611T1530Z/
Pierce WI-
1016 AM CDT SUN JUN 11 2017

...THE TORNADO WARNING FOR SOUTHEASTERN PIERCE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 4460 9200 4458 9203 4443 9208 4450 9225
      4454 9222 4454 9213 4462 9213 4463 9193
      4460 9192
TIME...MOT...LOC 1515Z 282DEG 38KT 4452 9206 

$$

WIC091-111530-
/O.CON.KMPX.TO.W.0015.000000T0000Z-170611T1530Z/
Pepin WI-
1016 AM CDT SUN JUN 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR CENTRAL
PEPIN COUNTY...
    
At 1015 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Ella, or 10 miles north of Wabasha, moving east at
45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Durand around 1020 AM CDT. 

Other locations impacted by this tornadic thunderstorm include Ella
and Porcupine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4460 9200 4458 9203 4443 9208 4450 9225
      4454 9222 4454 9213 4462 9213 4463 9193
      4460 9192
TIME...MOT...LOC 1515Z 282DEG 38KT 4452 9206 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

jrb

882 
WWUS53 KMPX 111522
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1022 AM CDT SUN JUN 11 2017

WIC091-111532-
/O.EXP.KMPX.TO.W.0015.000000T0000Z-170611T1530Z/
Pepin WI-
1022 AM CDT SUN JUN 11 2017

...THE TORNADO WARNING FOR CENTRAL PEPIN COUNTY WILL EXPIRE AT 1030
AM CDT...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning will be allowed to expire.

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

LAT...LON 4460 9200 4458 9203 4443 9208 4450 9225
      4454 9222 4454 9213 4462 9213 4463 9193
      4460 9192
TIME...MOT...LOC 1522Z 295DEG 25KT 4452 9203 

$$

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, 10:03 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	57 min
Jun 11, 10:04 AM CDT	Severe Thunderstorm Warning	MPX	Dunn, Eau Claire, Pepin	56 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

Tornado Warnings in Wisconsin, 2017 Every tornado warning in 2017 Tornadoes 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.