Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 60, NWS Twin Cities, MN

June 11, 20175 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 11, 2017, 8:27 AM CDT for 5 counties in Minnesota. It was in force for 48 min. 28 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 11, 2017, 8:27 AM CDT (13:27 UTC)
Expired
Jun 11, 2017, 9:15 AM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Anoka County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 22 km from the middle of the area, began a volume at 13:30 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 11, 8:35 AM CDTTSTM WND DMG4 Wnw Savage, MNA 12 INCH IN DIAMETER TREE SNAPPED IN HALF. TIME IS RADAR ESTIMATED.
Jun 11, 8:37 AM CDTTSTM WND DMG2 S Shakopee, MN8 INCH LIMBS DOWN.
Jun 11, 8:38 AM CDTHAIL 12 W Bloomington, MN
Jun 11, 8:39 AM CDTTSTM WND DMG2 Ssw Eden Prairie, MNCORRECTED TO TSTM WND GST. ASOS STATION FCM, EDEN PRAIRIE AP (FLYG CLOUD).
Jun 11, 8:39 AM CDTNON-TSTM WND GST 602 Ssw Eden Prairie, MNASOS STATION FCM, EDEN PRAIRIE AP (FLYG CLOUD).
Jun 11, 8:40 AM CDTTSTM WND DMG2 E Robbinsdale, MN12 TO 14 INCH DIAMETER TREE DOWN ON VEHICLE.
Jun 11, 8:41 AM CDTTSTM WND GST 631 Ssw Brooklyn Center, MNCORRECTED TO TSTM WND GST. ASOS STATION MIC, CRYSTAL AP.
Jun 11, 8:41 AM CDTNON-TSTM WND GST 631 Ssw Brooklyn Center, MNASOS STATION MIC, CRYSTAL AP.
Jun 11, 8:42 AM CDTHAIL 11 S Shakopee, MN
Jun 11, 8:45 AM CDTHAIL 1Circle Pines, MN
Jun 11, 8:45 AM CDTHAIL 1.253 Ne Blaine, MN
Jun 11, 8:47 AM CDTTSTM WND DMG1 N Minneapolis, MNLARGE TREE DOWN ACROSS THE ROAD AND ON TO A CAR AT NE MAIN ST. AND NE 16TH AVE.
Jun 11, 8:48 AM CDTTSTM WND DMG2 Ese Champlin, MNTREES DOWN.
Jun 11, 8:48 AM CDTTSTM WND GST 693 E Richfield, MNCORRECTED TO TSTRM WND GST. ASOS STATION MSP, MINNEAPOLIS-ST. PAUL AP-MSP.
Jun 11, 8:48 AM CDTNON-TSTM WND GST 693 E Richfield, MNASOS STATION MSP, MINNEAPOLIS-ST. PAUL AP-MSP.
Jun 11, 8:50 AM CDTTSTM WND DMG1 S Robbinsdale, MNA LARGE BRANCH OF 4.25 IN DIAMETER FELL ONTO THE STREET.
Jun 11, 8:53 AM CDTHAIL 1.252 S Blaine, MN
Jun 11, 8:55 AM CDTTSTM WND DMG3 S Ham Lake, MN8 INCH DIAMETER TREE DOWN.
Jun 11, 8:55 AM CDTHAIL 11 S Little Canada, MN
Jun 11, 8:56 AM CDTTSTM WND GST 582 Ese St. Paul, MNASOS STATION STP, ST. PAUL DWTN AP.
Jun 11, 8:56 AM CDTTSTM WND GST 663 E Richfield, MNASOS STATION MSP, MINNEAPOLIS-ST. PAUL AP-MSP.
Jun 11, 8:57 AM CDTHAIL 0.752 W Bloomington, MNPEA TO PENNY SIZE HAIL FROM 8:57AM TO 9:06AM (CDT).
Jun 11, 8:59 AM CDTHAIL 1.751 S Circle Pines, MNWINDOWS BROKEN DUE TO WIND DRIVEN HAIL.
Jun 11, 9:00 AM CDTTSTM WND DMGMinnetonka, MNLARGES BRANCHES AND POWER LINES DOWN.
Jun 11, 9:00 AM CDTHAIL 1.54 N Circle Pines, MN
Jun 11, 9:03 AM CDTHAIL 1.75Lino Lakes, MN
Jun 11, 9:05 AM CDTHAIL 1.75Centerville, MN
Jun 11, 9:12 AM CDTHAIL 1Centerville, MNSOCIAL MEDIA.

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 11, 6:28 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.5 hours before the alert went out and 25 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 2017-06-11Temperature 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 12:00Z on 2017-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2213 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

028 
WUUS53 KMPX 111327
SVRMPX
MNC003-037-053-123-139-111415-
/O.NEW.KMPX.SV.W.0060.170611T1327Z-170611T1415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
827 AM CDT SUN JUN 11 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Hennepin County in east central Minnesota...
  Northwestern Dakota County in east central Minnesota...
  Eastern Scott County in east central Minnesota...
  Central Anoka County in east central Minnesota...
  Ramsey County in east central Minnesota...

* Until 915 AM CDT

* At 827 AM CDT, severe thunderstorms were located along a line
  extending from Corcoran to near Marystown, moving east at 55 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees. 

* Severe thunderstorms will be near,
  Maple Grove around 830 AM CDT. 
  Brooklyn Park, Plymouth, Champlin, Prior Lake and Anoka around 835 
  AM CDT. 
  Minneapolis, Coon Rapids, Burnsville, Brooklyn Center and Fridley 
  around 840 AM CDT. 
  Lakeville, Apple Valley, Roseville, Shoreview and New Brighton 
  around 845 AM CDT. 
  Blaine, Rosemount, Farmington, Lino Lakes and Arden Hills around 
  850 AM CDT. 
  Maplewood and Vadnais Heights around 855 AM CDT. 
  White Bear Lake and Mahtomedi around 900 AM CDT. 

Other locations impacted by these severe thunderstorms include
Robbinsdale, North St. Paul, Flying Cloud Airport, Sunfish,
Lexington, North Minneapolis, Mall Of America, Marystown, Fort
Snelling and New Hope.

This includes Interstate 35 between mile markers 78 and 80.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4461 9363 4476 9363 4481 9352 4489 9352
      4490 9362 4521 9360 4523 9353 4529 9351
      4527 9302 4513 9302 4512 9298 4489 9299
      4489 9302 4478 9302 4476 9296 4457 9297
TIME...MOT...LOC 1327Z 270DEG 48KT 4513 9355 4468 9356 

HAIL...1.50IN
WIND...60MPH
 
$$

jrb
4 follow-up statements
198 
WWUS53 KMPX 111341
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
841 AM CDT SUN JUN 11 2017

MNC003-037-053-123-139-111415-
/O.CON.KMPX.SV.W.0060.000000T0000Z-170611T1415Z/
Hennepin MN-Dakota MN-Scott MN-Anoka MN-Ramsey MN-
841 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR HENNEPIN...NORTHWESTERN DAKOTA...EASTERN SCOTT...CENTRAL ANOKA
AND RAMSEY COUNTIES...

At 840 AM CDT, severe thunderstorms were located along a line
extending from near Spring Lake Park to near Credit River, moving
east at 55 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Law enforcement reported severe wind damage. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

These severe storms will be near...
  Apple Valley, Roseville, Shoreview, New Brighton and Mounds View 
  around 845 AM CDT. 
  Blaine, Rosemount, Farmington, Lino Lakes and Vadnais Heights 
  around 850 AM CDT. 
  Maplewood and White Bear Lake around 855 AM CDT. 
  Mahtomedi around 900 AM CDT. 

Other locations impacted by these severe thunderstorms include
Medicine Lake, Robbinsdale, Hilltop, North St. Paul, Lilydale, Flying
Cloud Airport, Circle Pines, Dayton, Sunfish and Lexington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4461 9363 4476 9363 4481 9352 4489 9352
      4503 9355 4521 9360 4523 9353 4529 9351
      4527 9302 4513 9302 4512 9298 4489 9299
      4489 9302 4478 9302 4476 9296 4457 9297
TIME...MOT...LOC 1340Z 270DEG 48KT 4513 9330 4468 9331 

HAIL...1.50IN
WIND...60MPH
 
$$

jrb
681 
WWUS53 KMPX 111354
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
854 AM CDT SUN JUN 11 2017

MNC003-037-053-123-139-111415-
/O.CON.KMPX.SV.W.0060.000000T0000Z-170611T1415Z/
Hennepin MN-Dakota MN-Scott MN-Anoka MN-Ramsey MN-
854 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR EASTERN HENNEPIN...NORTHWESTERN DAKOTA...EASTERN SCOTT...CENTRAL
ANOKA AND RAMSEY COUNTIES...

At 854 AM CDT, severe thunderstorms were located along a line
extending from near Centerville to near Coates, moving east at 55
mph.

HAZARD...70 mph wind gusts and ping pong ball size hail. 

SOURCE...Law enforcement. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings. 

these severe thunderstorms will remain over mainly rural areas of
eastern Hennepin...northwestern Dakota...eastern Scott...central
Anoka and Ramsey Counties, including the following locations:
Robbinsdale, Hilltop, North St. Paul, Lilydale, Circle Pines, Dayton,
Sunfish, Lexington, St Paul Airport and Sunfish Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4460 9352 4478 9338 4490 9333 4499 9336
      4510 9344 4520 9351 4529 9351 4527 9302
      4513 9302 4512 9298 4489 9299 4489 9302
      4478 9302 4476 9296 4457 9297
TIME...MOT...LOC 1354Z 270DEG 48KT 4513 9305 4468 9306 

HAIL...1.50IN
WIND...70MPH
 
$$

jrb
814 
WWUS53 KMPX 111405
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
905 AM CDT SUN JUN 11 2017

MNC003-037-053-123-139-111415-
/O.CON.KMPX.SV.W.0060.000000T0000Z-170611T1415Z/
Hennepin MN-Dakota MN-Scott MN-Anoka MN-Ramsey MN-
905 AM CDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR SOUTHEASTERN HENNEPIN...NORTHWESTERN DAKOTA...EASTERN SCOTT...
SOUTHEASTERN ANOKA AND RAMSEY COUNTIES...

At 905 AM CDT, severe thunderstorms were located along a line
extending from near Grant to near Vermillion, moving east at 55 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail. 

SOURCE...Law enforcement. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings. 

these severe thunderstorms will remain over mainly rural areas of
southeastern Hennepin...northwestern Dakota...eastern Scott...
southeastern Anoka and Ramsey Counties, including the following
locations: Hilltop, North St. Paul, Lilydale, Circle Pines, Sunfish,
Lexington, St Paul Airport, Sunfish Lake, North Minneapolis and Mall
Of America.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4460 9352 4478 9338 4490 9333 4499 9332
      4511 9329 4524 9326 4527 9302 4513 9302
      4512 9298 4489 9299 4489 9302 4478 9302
      4476 9296 4457 9297
TIME...MOT...LOC 1405Z 270DEG 48KT 4513 9287 4468 9288 

HAIL...1.50IN
WIND...70MPH
 
$$

jrb
504 
WWUS53 KMPX 111414
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
914 AM CDT SUN JUN 11 2017

MNC003-037-053-123-139-111424-
/O.EXP.KMPX.SV.W.0060.000000T0000Z-170611T1415Z/
Hennepin MN-Dakota MN-Scott MN-Anoka MN-Ramsey MN-
914 AM CDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HENNEPIN...
NORTHWESTERN DAKOTA...EASTERN SCOTT...SOUTHEASTERN ANOKA AND RAMSEY
COUNTIES WILL EXPIRE AT 915 AM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.  However heavy rain
is still possible with these thunderstorms.

A severe thunderstorm watch remains in effect until noon CDT for east
central Minnesota.

LAT...LON 4460 9352 4478 9338 4490 9333 4499 9332
      4511 9329 4524 9326 4527 9302 4513 9302
      4512 9298 4489 9299 4489 9302 4478 9302
      4476 9296 4457 9297
TIME...MOT...LOC 1414Z 270DEG 48KT 4513 9275 4468 9276 

$$

jrb

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 5:56 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Swift, Yellow Medicine49 min
Jun 11, 6:09 AM CDTSevere Thunderstorm WarningMPXLac qui Parle, Swift36 min
Jun 11, 6:24 AM CDTSevere Thunderstorm WarningMPXChippewa, Swift66 min
Jun 11, 6:27 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine48 min
Jun 11, 6:50 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Redwood, Renville55 min
Jun 11, 7:05 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood55 min
Jun 11, 7:21 AM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Sibley, Wright54 min
Jun 11, 7:34 AM CDTTornado WarningMPXKandiyohi, Meeker26 min
Jun 11, 7:38 AM CDTSevere Thunderstorm WarningMPXStearns, Wright52 min
Jun 11, 7:50 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright55 min
Jun 11, 7:56 AM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Pope, Stevens, Swift, Yellow Medicine109 min
Jun 11, 8:00 AM CDTSpecial Weather StatementMPXBrown45 min
Jun 11, 8:05 AM CDTSpecial Weather StatementMPXBenton, Morrison, Sherburne40 min
Jun 11, 8:10 AM CDTSevere Thunderstorm WarningMPXLe Sueur, McLeod, Scott, Sibley50 min
Jun 11, 8:24 AM CDTSpecial Weather StatementMPXNicollet51 min
Jun 11, 8:38 AM CDTSpecial Weather StatementMPXChisago, Isanti67 min
Jun 11, 8:50 AM CDTSevere Thunderstorm WarningMPXDakota, Washington40 min
Jun 11, 9:00 AM CDTSpecial Weather StatementMPXGoodhue, Le Sueur, Rice60 min
Jun 11, 9:02 AM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Washington28 min
Jun 11, 9:37 AM CDTSevere Thunderstorm WarningMPXGoodhue38 min
Jun 11, 9:41 AM CDTSpecial Weather StatementMPXBenton, Douglas, Morrison, Pope, Stearns, Todd109 min
Jun 11, 4:08 PM CDTSpecial Weather StatementMPXWright37 min
Jun 11, 4:27 PM CDTSpecial Weather StatementMPXIsanti33 min
Jun 11, 5:11 PM CDTSpecial Weather StatementMPXWright34 min
Jun 11, 5:57 PM CDTSpecial Weather StatementMPXRamsey33 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.