Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 33, NWS Twin Cities, MN

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

NWS Twin Cities, MN issued this severe thunderstorm warning at May 16, 2017, 6:16 PM CDT for Dakota County, Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 44 min. 1 report 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 16, 2017, 6:16 PM CDT (23:16 UTC)
Expired
May 16, 2017, 7:00 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dakota County, MN, Goodhue County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 91 km from the middle of the area, began a volume at 23:16 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 16, 6:55 PM CDTHAIL 1.25Red Wing, MNREPORTED VIA FACEBOOK. INCLUDED PHOTO.

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 16, 4:08 PM CDTSevere Thunderstorm WatchSPC4 hr
May 16, 4:02 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.3 hours before the alert went out and 94 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.

300 
WUUS53 KMPX 162316
SVRMPX
MNC037-049-WIC093-170000-
/O.NEW.KMPX.SV.W.0033.170516T2316Z-170517T0000Z/

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

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southeastern Dakota County in east central Minnesota...
  Goodhue County in southeastern Minnesota...
  Southern Pierce County in west central Wisconsin...

* Until 700 PM CDT

* At 616 PM CDT, a severe thunderstorm was located over Cannon Falls,
  or 15 miles west of 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, Cannon Falls, Goodhue, Stanton, Welch, Plum City, Bay
  City, Frontenac, Vasa, Hampton, Diamond Bluff and Wacouta.

This includes U.S. Highway 61 between mile markers 82 and 104.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

LAT...LON 4465 9303 4468 9214 4454 9213 4454 9231
      4450 9230 4446 9224 4445 9243 4436 9244
      4437 9304
TIME...MOT...LOC 2316Z 265DEG 36KT 4453 9287 

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

ETA
1 follow-up statement
231 
WWUS53 KMPX 162339
SVSMPX

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

MNC037-162348-
/O.CAN.KMPX.SV.W.0033.000000T0000Z-170517T0000Z/
Dakota MN-
639 PM CDT TUE MAY 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DAKOTA COUNTY 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.

A severe thunderstorm watch remains in effect until 1000 PM CDT for
southeastern and east central Minnesota.

LAT...LON 4454 9281 4454 9279 4463 9279 4463 9274
      4466 9273 4468 9214 4454 9213 4454 9231
      4449 9230 4446 9226 4445 9243 4440 9243
      4440 9281
TIME...MOT...LOC 2338Z 265DEG 36KT 4455 9255 

$$

MNC049-WIC093-170000-
/O.CON.KMPX.SV.W.0033.000000T0000Z-170517T0000Z/
Goodhue MN-Pierce WI-
639 PM CDT TUE MAY 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR CENTRAL GOODHUE AND SOUTHERN PIERCE COUNTIES...

At 638 PM CDT, a severe thunderstorm was located over 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, Goodhue, Welch, Plum City, Bay City, Frontenac, Vasa,
Diamond Bluff, Wacouta, Central Point, Esdaile and Red Wing Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

LAT...LON 4454 9281 4454 9279 4463 9279 4463 9274
      4466 9273 4468 9214 4454 9213 4454 9231
      4449 9230 4446 9226 4445 9243 4440 9243
      4440 9281
TIME...MOT...LOC 2338Z 265DEG 36KT 4455 9255 

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

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
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, 2:54 PM CDTFlash Flood WatchMPXFaribault, Freeborn, Goodhue, Rice, Steele, Waseca12 hr
May 16, 3:04 PM CDTSpecial Weather StatementMPXRice26 min
May 16, 3:27 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice48 min
May 16, 4:06 PM CDTSevere Thunderstorm WarningMPXDakota, Washington39 min
May 16, 4:38 PM CDTSevere Thunderstorm WarningMPXWashington52 min
May 16, 5:32 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice43 min
May 16, 5:42 PM CDTSevere Thunderstorm WarningMPXRice33 min
May 16, 6:58 PM CDTSevere Thunderstorm WarningMPXGoodhue47 min
May 16, 4:01 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix44 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

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Severe Thunderstorm Warnings in Wisconsin, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.