Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 34, NWS Twin Cities, MN

May 16, 2017Pepin County, Pierce County, Wisconsin; Goodhue County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 16, 2017, 6:58 PM CDT for Pepin County, Pierce County, Wisconsin; Goodhue County, Minnesota. It was in force for 47 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 16, 2017, 6:58 PM CDT (23:58 UTC)
Expired
May 16, 2017, 7:45 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Goodhue County, MN, Pepin County, WI, Pierce County, WI

The radar

The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 00:02 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
May 16, 4:02 PM CDTTornado WatchSPC6 hr
May 16, 4:08 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 12.0 hours before the alert went out and 121 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 2017-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 241 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 2017-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
241 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
1186 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.3

Open this sounding in Storm Lab

The text

As transmitted.

353 
WUUS53 KMPX 162358
SVRMPX
MNC049-WIC091-093-170045-
/O.NEW.KMPX.SV.W.0034.170516T2358Z-170517T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
658 PM CDT TUE MAY 16 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Goodhue County in southeastern Minnesota...
  Pepin County in west central Wisconsin...
  Southeastern Pierce County in west central Wisconsin...

* Until 745 PM CDT

* At 657 PM CDT, a severe thunderstorm was located over Wacouta, or
  near Red Wing, 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...
  Red Wing, Durand, Plum City, Bay City, Stockholm, Frontenac,
  Wacouta, Esdaile, Arkansaw, Porcupine, Red Wing Airport and
  Frontenac State Park.

This includes U.S. Highway 61 between mile markers 82 and 90.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

A tornado watch remains in effect until 1000 PM CDT for west central
Wisconsin.

LAT...LON 4460 9200 4458 9203 4447 9206 4447 9253
      4467 9250 4469 9214 4468 9186 4460 9186
TIME...MOT...LOC 2357Z 264DEG 33KT 4456 9245 

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

ETA
2 follow-up statements
992 
WWUS53 KMPX 170022
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
722 PM CDT TUE MAY 16 2017

MNC049-WIC093-170032-
/O.CAN.KMPX.SV.W.0034.000000T0000Z-170517T0045Z/
Goodhue MN-Pierce WI-
722 PM CDT TUE MAY 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GOODHUE AND
SOUTHEASTERN PIERCE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CDT for west central
Wisconsin.

LAT...LON 4460 9200 4458 9203 4449 9205 4450 9211
      4468 9212 4468 9186 4460 9186
TIME...MOT...LOC 0022Z 264DEG 33KT 4458 9213 

$$

WIC091-170045-
/O.CON.KMPX.SV.W.0034.000000T0000Z-170517T0045Z/
Pepin WI-
722 PM CDT TUE MAY 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTH CENTRAL PEPIN COUNTY...

At 722 PM CDT, a severe thunderstorm was located over Porcupine, or
15 miles north of Wabasha, 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...
Durand, Arkansaw, Ella and Porcupine. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

A tornado watch remains in effect until 1000 PM CDT for west central
Wisconsin.

LAT...LON 4460 9200 4458 9203 4449 9205 4450 9211
      4468 9212 4468 9186 4460 9186
TIME...MOT...LOC 0022Z 264DEG 33KT 4458 9213 

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

ETA
229 
WWUS53 KMPX 170045
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
745 PM CDT TUE MAY 16 2017

WIC091-170055-
/O.EXP.KMPX.SV.W.0034.000000T0000Z-170517T0045Z/
Pepin WI-
745 PM CDT TUE MAY 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PEPIN COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

A tornado watch remains in effect until 1000 PM CDT for west central
Wisconsin.

LAT...LON 4460 9200 4458 9203 4449 9205 4450 9211
      4468 9212 4468 9186 4460 9186
TIME...MOT...LOC 0045Z 264DEG 33KT 4460 9184 

$$

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 2:54 PM CDTFlash Flood WatchMPXChippewa, Dunn, Eau Claire, Pepin, Pierce, Rusk12 hr
May 16, 4:01 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix44 min
May 16, 4:06 PM CDTSevere Thunderstorm WarningMPXPierce39 min
May 16, 4:38 PM CDTSevere Thunderstorm WarningMPXSaint Croix52 min
May 16, 4:39 PM CDTTornado WarningMPXBarron, Polk51 min
May 16, 4:55 PM CDTSevere Thunderstorm WarningMPXBarron, Rusk65 min
May 16, 5:05 PM CDTTornado WarningMPXBarron55 min
May 16, 5:28 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Saint Croix47 min
May 16, 5:37 PM CDTTornado WarningMPXRusk38 min
May 16, 6:01 PM CDTTornado Warning Tornado observedMPXRusk59 min
May 16, 6:10 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Rusk65 min
May 16, 6:14 PM CDTTornado WarningMPXChippewa35 min
May 16, 6:16 PM CDTSevere Thunderstorm WarningMPXPierce44 min
May 15, 8:53 PM CDTSpecial Weather StatementMPXFaribault37 min
May 15, 9:32 PM CDTSevere Thunderstorm WarningMPXWaseca43 min
May 15, 9:55 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Waseca35 min
May 15, 10:04 PM CDTSevere Thunderstorm WarningMPXSteele56 min
May 15, 10:25 PM CDTSevere Thunderstorm WarningMPXGoodhue26 min
May 15, 11:11 PM CDTSpecial Weather StatementMPXWaseca34 min
May 15, 11:39 PM CDTSpecial Weather StatementMPXRice36 min
May 16, 1:18 AM CDTSpecial Weather StatementMPXRice42 min
May 16, 3:05 AM CDTSpecial Weather StatementMPXLac qui Parle, Yellow Medicine55 min
May 16, 3:47 AM CDTSpecial Weather StatementMPXChippewa, Kandiyohi, Stevens, Swift28 min
May 16, 4:20 AM CDTSpecial Weather StatementMPXKandiyohi, Stearns55 min
May 16, 5:06 AM CDTSpecial Weather StatementMPXBrown, Martin, Redwood, Watonwan84 min
May 16, 3:04 PM CDTSpecial Weather StatementMPXRice26 min
May 16, 3:27 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice48 min
May 16, 5:32 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice43 min
May 16, 5:42 PM CDTSevere Thunderstorm WarningMPXRice33 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2017Severe Thunderstorm Warnings in Minnesota, 2017Every 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.