Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 190, NWS Twin Cities, MN

June 19, 20126 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 19, 2012, 3:50 AM CDT for 6 counties in Minnesota. It was in force for 40 min. 20 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, 3:50 AM CDT (08:50 UTC)
Expired
Jun 19, 2012, 4:30 AM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 18 km from the middle of the area, began a volume at 08:50 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
Jun 19, 4:00 AM CDTTSTM WND DMGPrior Lake, MNNUMEROUS LARGE TREES DOWNED. TIME CORRECTED.
Jun 19, 4:00 AM CDTTSTM WND DMGSavage, MNSEVERAL TREES DOWN AT INTERSECTION OF HWY 13 AND 150TH ST.
Jun 19, 4:00 AM CDTTSTM WND GST 631 E Savage, MNAPRSWXNET SENSOR. TIME ESTIMATED.
Jun 19, 4:03 AM CDTTSTM WND GST 60Prior Lake, MN
Jun 19, 4:04 AM CDTTSTM WND GST 54Eden Prairie, MNMEASURED AT FLYING CLOUD AIRPORT
Jun 19, 4:05 AM CDTTSTM WND DMGBloomington, MNTREE DOWN ON KNOX BETWEEN 82ND AND AMERICAN BLVD. TIN SHED BLOWN TO NEXT YARD NEAR 100 ST. TIME ESTIMATED.
Jun 19, 4:05 AM CDTTSTM WND DMGN Burnsville, MNSEVERAL TREES DOWN ON BURSVILLE PARKWAY AT HWY 35W. TIME ESTIMATED.
Jun 19, 4:10 AM CDTTSTM WND DMGApple Valley, MN14 POWER POLES KNOCKED DOWN OR SNAPPED IN HALF ALONG PILOT KNOB ROAD BETWEEN COUNTY RD 42 AND COUNTY ROAD 46...CLOSING ROAD. TIME ESTIMATED.
Jun 19, 4:10 AM CDTTSTM WND DMGLakeville, MN10 INCH DIAMETER TREE DOWNED
Jun 19, 4:10 AM CDTHAIL 0.75Lakeville, MN
Jun 19, 4:11 AM CDTTSTM WND GST 54Lakeville, MNREPORTED AT LAKEVILLE AIRPORT
Jun 19, 4:15 AM CDTTSTM WND DMG2 Ssw Rosemount, MN30 FT TREE DOWN. WOOD FENCE BLOWN OVER. NEAR INTERSECTION OF SHANNON PARKWAY AND HWY 46. TIME ESTIMATED BY RADAR.
Jun 19, 4:19 AM CDTTSTM WND GST 54Minneapolis, MNMEASURED AT MINNEAPOLIS ST PAUL INTERNATIONAL AIRPORT.
Jun 19, 4:20 AM CDTTSTM WND DMGLakeville, MNFIFTY FIVE INCH DIAMETER OAK TREE SNAPPED OFF ABOVE MAIN STUMP. MAIN STUMP 150 INCHES IN DIAMETER AT THE BASE. DAMAGE OCCURRED ON ITALY PATH.
Jun 19, 4:20 AM CDTHAIL 0.75Lakeville, MN
Jun 19, 4:23 AM CDTTSTM WND DMGEagan, MN30 FT TALL PINE TREE UPROOTED. BRANCHES BROKEN OFF OTHER TREES.
Jun 19, 4:25 AM CDTTSTM WND DMG1 Sse South St Paul, MNLARGE TREES DOWN. ROAD TO NEIGHBORHOOD BLOCKED NEAR INTERSECTION OF HWY 494 AND CO RD 56. TIME ESTIMATED.
Jun 19, 4:25 AM CDTTSTM WND DMGSouth St Paul, MNLARGE TREE LIMBS SNAPPED IN HALF. SMALL TREES DOWN. TIME ESTIMATED. MEDIA ALSO REPORTING UTILITY POLES DOWN IN SOUTH ST PAUL NEAR INTERSTATE 494.
Jun 19, 4:29 AM CDTTSTM WND GST 64St Paul, MNREPORTED AT ST PAUL DOWNTOWN AIRPORT
Jun 19, 4:30 AM CDTTSTM WND DMGSt Paul, MN2 FT DIAMETER TREE DOWNED IN SOUTHEAST ST. PAUL NEAR MAPLEWOOD BORDER. TIME ESTIMATED.

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
Jun 19, 3:25 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.8 hours before the alert went out and 21 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°0°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.

522 
WUUS53 KMPX 190850
SVRMPX
MNC019-037-053-123-139-171-190930-
/O.NEW.KMPX.SV.W.0190.120619T0850Z-120619T0930Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHWESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTH CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 430 AM CDT

* AT 346 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM WATERTOWN TO COLOGNE TO BELLE
  PLAINE...AND MOVING EAST AT 60 MPH.  NICKEL SIZE HAIL MAY ALSO
  ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IN THE WARNING INCLUDE...
  MINNEAPOLIS...
  ST PAUL...
  WACONIA...
  WATERTOWN...
  COLOGNE...
  MAYER...
  ST BONIFACIUS...
  MINNETRISTA...
  JORDAN...
  CARVER...
  VICTORIA...
  MOUND...
  CHASKA...
  MAPLE PLAIN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4466 9377 4468 9377 4468 9388 4501 9396
      4501 9301 4489 9299 4488 9301 4481 9300
      4479 9302 4477 9298 4464 9301
TIME...MOT...LOC 0850Z 273DEG 52KT 4498 9381 4480 9374
          4466 9373
WIND...HAIL 60MPH 0.88IN

$$
1 follow-up statement
410 
WWUS53 KMPX 190917
SVSMPX

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

MNC019-171-190933-
/O.CAN.KMPX.SV.W.0190.000000T0000Z-120619T0930Z/
CARVER MN-WRIGHT MN-
417 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WRIGHT AND
CARVER COUNTIES IS CANCELLED...

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

LAT...LON 4465 9354 4478 9351 4483 9353 4489 9352
      4489 9356 4499 9361 4501 9301 4489 9299
      4488 9301 4481 9300 4479 9302 4477 9298
      4464 9301
TIME...MOT...LOC 0918Z 273DEG 52KT 4495 9327 4478 9318
          4465 9316

$$

MNC037-053-123-139-190930-
/O.CON.KMPX.SV.W.0190.000000T0000Z-120619T0930Z/
DAKOTA MN-HENNEPIN MN-RAMSEY MN-SCOTT MN-
417 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
SCOTT...SOUTHERN RAMSEY...SOUTHERN HENNEPIN AND NORTHWESTERN DAKOTA
COUNTIES UNTIL 430 AM CDT...

AT 413 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ST
LOUIS PARK TO BURNSVILLE TO LAKEVILLE...MOVING EAST AT 60 MPH. NICKEL
SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  ST PAUL...EAGAN...LAUDERDALE...FALCON HEIGHTS...MENDOTA HEIGHTS...
  ROSEMOUNT...LILYDALE...COATES...INVER GROVE HEIGHTS...WEST ST
  PAUL...SOUTH ST PAUL...MAPLEWOOD...MENDOTA AND SUNFISH.

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.

&&

LAT...LON 4465 9354 4478 9351 4483 9353 4489 9352
      4489 9356 4499 9361 4501 9301 4489 9299
      4488 9301 4481 9300 4479 9302 4477 9298
      4464 9301
TIME...MOT...LOC 0918Z 273DEG 52KT 4495 9327 4478 9318
          4465 9316
WIND...HAIL 70MPH 0.88IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
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, 3:55 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Le Sueur, Rice, Scott50 min
Jun 19, 4:26 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Ramsey, Washington64 min
Jun 19, 4:38 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue52 min
Jun 19, 5:53 AM CDTSpecial Weather StatementMPXRamsey, Washington37 min
Jun 19, 6:11 AM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington34 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.