Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 57, NWS Twin Cities, MN

May 28, 2011Dakota County, Goodhue County, Minnesota; Pierce County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 28, 2011, 4:35 PM CDT for Dakota County, Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 40 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 28, 2011, 4:35 PM CDT (21:35 UTC)
Expired
May 28, 2011, 5:15 PM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

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

The radar

The Minneapolis radar (KMPX), 73 km from the middle of the area, began a volume at 21:38 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 28, 2:11 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.6 hours before the alert went out and 76 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 2011-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2011-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
172 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.

596 
WUUS53 KMPX 282135
SVRMPX
MNC037-049-WIC093-282215-
/O.NEW.KMPX.SV.W.0057.110528T2135Z-110528T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
435 PM CDT SAT MAY 28 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 515 PM CDT

* AT 433 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN
  EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM PRESCOTT TO MIESVILLE TO NEW TRIER...AND MOVING EAST AT 30
  MPH.

LOCATIONS IN THE WARNING INCLUDE...
  ELLSWORTH...
  RED WING...
  MIESVILLE...
  DIAMOND BLUFF...
  WELCH...
  BELDENVILLE...
  HAGER CITY...
  MARTEL...
  ESDAILE...
  BAY CITY...
  SPRING VALLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 4448 9311 4465 9292 4476 9286 4475 9280
      4483 9276 4486 9235 4486 9214 4469 9222
      4453 9241
TIME...MOT...LOC 2135Z 265DEG 26KT 4475 9273 4466 9279
          4456 9289
WIND...HAIL 60MPH 1.25IN

$$
2 follow-up statements
655 
WWUS53 KMPX 282201
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
501 PM CDT SAT MAY 28 2011

MNC037-282216-
/O.CAN.KMPX.SV.W.0057.000000T0000Z-110528T2215Z/
DAKOTA MN-
501 PM CDT SAT MAY 28 2011

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

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA.

LAT...LON 4453 9241 4451 9272 4463 9274 4471 9273
      4475 9280 4483 9276 4486 9214 4469 9222
TIME...MOT...LOC 2201Z 264DEG 31KT 4482 9242 4468 9248
          4458 9258

$$

MNC049-WIC093-282215-
/O.CON.KMPX.SV.W.0057.000000T0000Z-110528T2215Z/
GOODHUE MN-PIERCE WI-
501 PM CDT SAT MAY 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIERCE AND
NORTHEASTERN GOODHUE COUNTIES UNTIL 515 PM CDT...

AT 457 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM BELDENVILLE TO ELLSWORTH TO RED WING...MOVING
EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  ESDAILE...BAY CITY AND SPRING VALLEY.

LAT...LON 4453 9241 4451 9272 4463 9274 4471 9273
      4475 9280 4483 9276 4486 9214 4469 9222
TIME...MOT...LOC 2201Z 264DEG 31KT 4482 9242 4468 9248
          4458 9258
WIND...HAIL 60MPH 1.00IN

$$
773 
WWUS53 KMPX 282208
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
508 PM CDT SAT MAY 28 2011

MNC049-WIC093-282215-
/O.CON.KMPX.SV.W.0057.000000T0000Z-110528T2215Z/
GOODHUE MN-PIERCE WI-
508 PM CDT SAT MAY 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIERCE AND
NORTHEASTERN GOODHUE COUNTIES UNTIL 515 PM CDT...

AT 506 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM MARTEL TO ESDAILE TO HAGER CITY...MOVING EAST
AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  ESDAILE...BAY CITY AND SPRING VALLEY.

LAT...LON 4453 9241 4453 9261 4463 9262 4484 9259
      4486 9214 4469 9222
TIME...MOT...LOC 2208Z 264DEG 31KT 4482 9233 4468 9239
          4458 9250
WIND...HAIL 60MPH 1.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 1:56 PM CDTSevere Thunderstorm WarningMPXNicollet, Redwood, Sibley7 min
May 28, 2:00 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood, Renville, Sibley34 min
May 28, 2:16 PM CDTSevere Thunderstorm WarningMPXCarver, Dakota, Le Sueur, McLeod, Rice, Scott and 1 more44 min
May 28, 2:39 PM CDTTornado WarningMPXCarver, Scott, Sibley36 min
May 28, 3:06 PM CDTTornado WarningMPXCarver, Le Sueur, Rice, Scott, Sibley39 min
May 28, 3:45 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice, Scott45 min
May 28, 3:57 PM CDTTornado WarningMPXDakota, Goodhue, Rice, Scott33 min
May 28, 4:27 PM CDTSpecial Weather StatementMPXDakota48 min
May 28, 4:43 PM CDTSpecial Weather StatementMPXKanabec, Mille Lacs47 min
May 28, 6:18 PM CDTSpecial Weather StatementMPXRice42 min
May 28, 4:31 PM CDTSpecial Weather StatementMPXDunn44 min
May 28, 5:16 PM CDTSpecial Weather StatementMPXPepin, Pierce44 min
May 28, 5:56 PM CDTSpecial Weather StatementMPXPepin49 min
May 28, 6:45 PM CDTSpecial Weather StatementMPXEau Claire30 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2011Severe Thunderstorm Warnings in Wisconsin, 2011Every severe thunderstorm warning in 2011

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.