Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 191, NWS Twin Cities, MN

June 19, 20125 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 19, 2012, 3:55 AM CDT for 5 counties in Minnesota. It was in force for 50 min. 5 reports 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: Jun 19, 2012, 3:55 AM CDT (08:55 UTC)
Expired: Jun 19, 2012, 4:45 AM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 65.0 mph

Counties Dakota County, MN, Goodhue County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 49 km from the middle of the area, began a volume at 08:55 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

Time	Report	Where	Remark
Jun 19, 3:59 AM CDT	TSTM WND GST 80	1 N New Prague, MN	MEASURED BY SPOTTER AT CO RD 2 AND 21. REPORTED BY EMERGENCY MANAGER.
Jun 19, 4:14 AM CDT	TSTM WND GST 55	Faribault, MN	MEASURED AT FARIBAULT MUNICIPAL AIRPORT
Jun 19, 4:21 AM CDT	HAIL 1.25	3 Ssw Dundas, MN	LEAVES SHREDDED. LASTED FOR 7 MINUTES.
Jun 19, 4:25 AM CDT	HAIL 1	Dundas, MN
Jun 19, 4:33 AM CDT	TSTM WND GST 63	Stanton, MN	REPORTED AT STANTON AIRFIELD

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.

Issued	Product	Office	Lasted
Jun 19, 3:25 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.9 hours before the alert went out and 50 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: 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.

695 
WUUS53 KMPX 190855
SVRMPX
MNC037-049-079-131-139-190945-
/O.NEW.KMPX.SV.W.0191.120619T0855Z-120619T0945Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  EASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 445 AM CDT

* AT 350 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 65
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM JORDAN
  TO 6 MILES NORTH OF LE CENTER TO CLEVELAND...AND MOVING EAST AT 65
  MPH.

LOCATIONS IN THE WARNING INCLUDE...
  FARIBAULT...
  NEW PRAGUE...
  MONTGOMERY...
  LE CENTER...
  KILKENNY...
  VESELI...
  LONSDALE...
  NEW MARKET...
  WEBSTER...
  ELKO...
  CASTLE ROCK...
  DUNDAS...
  NORTHFIELD...
  RUSKIN...

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.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

&&

LAT...LON 4464 9290 4453 9266 4424 9275 4427 9378
      4448 9375 4466 9371
TIME...MOT...LOC 0856Z 267DEG 55KT 4464 9356 4448 9358
          4429 9365
WIND...HAIL 65MPH 1.00IN

$$

2 follow-up statements

751 
WWUS53 KMPX 190902
SVSMPX

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

MNC037-049-079-131-139-190945-
/O.CON.KMPX.SV.W.0191.000000T0000Z-120619T0945Z/
DAKOTA MN-GOODHUE MN-LE SUEUR MN-RICE MN-SCOTT MN-
402 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
SCOTT...RICE...EASTERN LE SUEUR...WESTERN GOODHUE AND SOUTHERN DAKOTA
COUNTIES UNTIL 445 AM CDT...

AT 400 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 75 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6
MILES SOUTHEAST OF JORDAN TO MONTGOMERY TO KILKENNY...MOVING EAST AT
65 MPH.

LOCATIONS IMPACTED INCLUDE...
  FARIBAULT...VESELI...LONSDALE...NEW MARKET...WEBSTER...ELKO...
  CASTLE ROCK...DUNDAS...NORTHFIELD...RUSKIN...RANDOLPH...HAMPTON...
  STANTON...NERSTRAND AND DENNISON.

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 WINDOWS. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

&&

LAT...LON 4464 9290 4453 9266 4424 9275 4427 9378
      4448 9375 4466 9371
TIME...MOT...LOC 0902Z 267DEG 55KT 4463 9347 4447 9349
          4428 9356
WIND...HAIL 75MPH <.75IN

$$

429 
WWUS53 KMPX 190919
SVSMPX

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

MNC037-049-079-131-139-190945-
/O.CON.KMPX.SV.W.0191.000000T0000Z-120619T0945Z/
DAKOTA MN-GOODHUE MN-LE SUEUR MN-RICE MN-SCOTT MN-
419 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
SCOTT...RICE...SOUTHEASTERN LE SUEUR...WESTERN GOODHUE AND SOUTHERN
DAKOTA COUNTIES UNTIL 445 AM CDT...

AT 418 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 75 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
FARMINGTON TO NORTHFIELD TO FARIBAULT...MOVING EAST AT 65 MPH. NICKEL
SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  RUSKIN...RANDOLPH...HAMPTON...STANTON...NERSTRAND...DENNISON...NEW
  TRIER...KENYON...CANNON FALLS...WASTEDO...BOMBAY...HADER AND
  WANAMINGO.

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. HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

&&

LAT...LON 4427 9360 4447 9354 4466 9353 4464 9290
      4453 9266 4424 9275
TIME...MOT...LOC 0919Z 267DEG 55KT 4464 9310 4448 9313
          4429 9320
WIND...HAIL 75MPH 0.88IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 11:47 PM CDT	Special Weather Statement	MPX	Lac qui Parle, Yellow Medicine	43 min
Jun 19, 1:11 AM CDT	Special Weather Statement	MPX	Kandiyohi	49 min
Jun 19, 2:00 AM CDT	Severe Thunderstorm Warning	MPX	Redwood	60 min
Jun 19, 2:07 AM CDT	Special Weather Statement	MPX	Chippewa	38 min
Jun 19, 2:20 AM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	40 min
Jun 19, 2:43 AM CDT	Special Weather Statement	MPX	Hennepin, Ramsey, Washington	62 min
Jun 19, 2:44 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Redwood, Renville, Sibley	46 min
Jun 19, 3:19 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Le Sueur, McLeod, Nicollet, Rice, Scott and 1 more	41 min
Jun 19, 3:30 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Goodhue, Le Sueur, Rice, Scott	45 min
Jun 19, 3:50 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Dakota, Hennepin, Ramsey, Scott, Wright	40 min
Jun 19, 4:26 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Ramsey, Washington	64 min
Jun 19, 4:38 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	52 min
Jun 19, 5:53 AM CDT	Special Weather Statement	MPX	Ramsey, Washington	37 min
Jun 19, 6:11 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	34 min
Jun 19, 11:57 AM CDT	River Flood Warning	MPX	Wright	9 days
Jun 19, 12:25 PM CDT	River Flood Watch	MPX	Todd	25 hr
Jun 19, 12:25 PM CDT	River Flood Watch	MPX	Hennepin, Wright	10 hr
Jun 19, 6:44 PM CDT	Special Weather Statement	MPX	Douglas	46 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.