Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 193, NWS Twin Cities, MN

June 19, 2012Pepin County, Wisconsin; Dakota County, Goodhue County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 19, 2012, 4:38 AM CDT for Pepin County, Wisconsin; Dakota County, Goodhue County, Minnesota. It was in force for 52 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 19, 2012, 4:38 AM CDT (09:38 UTC)
Expired
Jun 19, 2012, 5:30 AM CDT
In force
52 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Dakota County, MN, Goodhue County, MN, Pepin County, WI

The radar

The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 09:41 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
Jun 19, 3:25 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.6 hours before the alert went out and 95 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 00:00Z on 2012-06-19Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2012-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939587897Sfc1 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
2661 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
161 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.

836 
WUUS53 KMPX 190938
SVRMPX
MNC037-049-WIC091-191030-
/O.NEW.KMPX.SV.W.0193.120619T0938Z-120619T1030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
438 AM CDT TUE JUN 19 2012

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 SOUTHEAST MINNESOTA...
  SOUTHWESTERN PEPIN COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 530 AM CDT

* AT 436 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM MIESVILLE TO CANNON FALLS TO NERSTRAND...AND MOVING EAST AT 60
  MPH.

LOCATIONS IN THE WARNING INCLUDE...
  RED WING...
  MIESVILLE...
  DENNISON...
  CANNON FALLS...
  KENYON...
  WASTEDO...
  WELCH...
  BOMBAY...
  HADER...
  WANAMINGO...
  GOODHUE...
  ZUMBROTA...
  PINE ISLAND...
  BELLECHESTER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4441 9304 4448 9297 4462 9289 4459 9255
      4456 9254 4454 9231 4454 9204 4451 9203
      4440 9209 4445 9225 4445 9241 4437 9242
      4435 9254 4419 9256 4419 9304
TIME...MOT...LOC 0939Z 271DEG 51KT 4461 9273 4447 9278
          4429 9300
WIND...HAIL 70MPH 1.00IN

$$
3 follow-up statements
000 
WWUS53 KMPX 190948
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
448 AM CDT TUE JUN 19 2012

MNC037-191003-
/O.CAN.KMPX.SV.W.0193.000000T0000Z-120619T1030Z/
DAKOTA MN-
448 AM CDT TUE JUN 19 2012

...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 4419 9304 4441 9304 4446 9289 4460 9274
      4459 9256 4456 9254 4455 9246 4454 9204
      4451 9203 4440 9209 4445 9225 4445 9241
      4437 9242 4435 9254 4419 9256
TIME...MOT...LOC 0948Z 271DEG 51KT 4461 9255 4447 9260
          4434 9288

$$

MNC049-WIC091-191030-
/O.CON.KMPX.SV.W.0193.000000T0000Z-120619T1030Z/
GOODHUE MN-PEPIN WI-
448 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
PEPIN AND GOODHUE COUNTIES UNTIL 530 AM CDT...

AT 446 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM RED WING TO GOODHUE TO BOMBAY...MOVING
EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  BOMBAY...HADER...WANAMINGO...GOODHUE...ZUMBROTA...FRONTENAC...PINE
  ISLAND...BELLECHESTER...STOCKHOLM...PEPIN AND ELLA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4419 9304 4441 9304 4446 9289 4460 9274
      4459 9256 4456 9254 4455 9246 4454 9204
      4451 9203 4440 9209 4445 9225 4445 9241
      4437 9242 4435 9254 4419 9256
TIME...MOT...LOC 0948Z 271DEG 51KT 4461 9255 4447 9260
          4434 9288
WIND...HAIL 70MPH 1.00IN

$$
105 
WWUS53 KMPX 191016
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
516 AM CDT TUE JUN 19 2012

MNC049-191030-
/O.CAN.KMPX.SV.W.0193.000000T0000Z-120619T1030Z/
GOODHUE MN-
516 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR GOODHUE COUNTY IS CANCELLED...

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

LAT...LON 4442 9213 4442 9214 4445 9225 4451 9230
      4452 9230 4454 9232 4454 9204 4451 9203
      4440 9209
TIME...MOT...LOC 1015Z 271DEG 51KT 4458 9201 4444 9206
          4432 9235

$$

WIC091-191030-
/O.CON.KMPX.SV.W.0193.000000T0000Z-120619T1030Z/
PEPIN WI-
516 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
PEPIN COUNTY UNTIL 530 AM CDT...

AT 513 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM PORCUPINE TO PEPIN TO 7 MILES SOUTHEAST
OF BELLECHESTER...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4442 9213 4442 9214 4445 9225 4451 9230
      4452 9230 4454 9232 4454 9204 4451 9203
      4440 9209
TIME...MOT...LOC 1015Z 271DEG 51KT 4458 9201 4444 9206
          4432 9235
WIND...HAIL 70MPH 1.00IN

$$

JRB
678 
WWUS53 KMPX 191032
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
532 AM CDT TUE JUN 19 2012

WIC091-191046-
/O.EXP.KMPX.SV.W.0193.000000T0000Z-120619T1030Z/
PEPIN WI-
532 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PEPIN COUNTY HAS
EXPIRED...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 AM CDT.

LAT...LON 4442 9213 4442 9214 4445 9225 4451 9230
      4452 9230 4454 9232 4454 9204 4451 9203
      4440 9209
TIME...MOT...LOC 1016Z 271DEG 51KT 4448 9199 4434 9204
          4423 9234

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 3:19 AM CDTSpecial Weather StatementMPXChippewa, Dunn, Saint Croix41 min
Jun 19, 4:26 AM CDTSevere Thunderstorm WarningMPXDunn, Pepin, Pierce, Saint Croix64 min
Jun 19, 4:30 AM CDTSpecial Weather StatementMPXChippewa45 min
Jun 19, 5:09 AM CDTSevere Thunderstorm WarningMPXChippewa, Dunn, Eau Claire, Pepin66 min
Jun 19, 5:53 AM CDTSpecial Weather StatementMPXSaint Croix37 min
Jun 19, 6:11 AM CDTSevere Thunderstorm WarningMPXSaint Croix34 min
Jun 18, 11:47 PM CDTSpecial Weather StatementMPXLac qui Parle, Yellow Medicine43 min
Jun 19, 1:11 AM CDTSpecial Weather StatementMPXKandiyohi49 min
Jun 19, 2:00 AM CDTSevere Thunderstorm WarningMPXRedwood60 min
Jun 19, 2:07 AM CDTSpecial Weather StatementMPXChippewa38 min
Jun 19, 2:20 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine40 min
Jun 19, 2:43 AM CDTSpecial Weather StatementMPXHennepin, Ramsey, Washington62 min
Jun 19, 2:44 AM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood, Renville, Sibley46 min
Jun 19, 3:19 AM CDTSevere Thunderstorm WarningMPXBrown, Le Sueur, McLeod, Nicollet, Rice, Scott and 1 more41 min
Jun 19, 3:30 AM CDTSpecial Weather StatementMPXCarver, Dakota, Goodhue, Le Sueur, Rice, Scott45 min
Jun 19, 3:50 AM CDTSevere Thunderstorm WarningMPXCarver, Dakota, Hennepin, Ramsey, Scott, Wright40 min
Jun 19, 3:55 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Le Sueur, Rice, Scott50 min
Jun 19, 11:57 AM CDTRiver Flood WarningMPXWright9 days
Jun 19, 12:25 PM CDTRiver Flood WatchMPXTodd25 hr
Jun 19, 12:25 PM CDTRiver Flood WatchMPXHennepin, Wright10 hr
Jun 19, 6:44 PM CDTSpecial Weather StatementMPXDouglas46 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning in 2012

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.