Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 59, NWS Twin Cities, MN

June 29, 2015Carver County, Hennepin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 2015, 8:05 PM CDT for Carver County, Hennepin County, Minnesota. It was in force for 55 min. 14 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 29, 2015, 8:05 PM CDT (01:05 UTC)
Expired
Jun 29, 2015, 9:00 PM CDT
In force
55 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.75 in
Wind
50.0 mph

Counties Carver County, MN, Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 9 km from the middle of the area, began a volume at 01:08 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 29, 8:10 PM CDTHAIL 1Plymouth, MN
Jun 29, 8:10 PM CDTHAIL 2Plymouth, MNREPORTED NEAR VICKSBURG RAD AND COUNTRY ROAD 6.
Jun 29, 8:15 PM CDTHAIL 1Plymouth, MNREPORTED VIA TWITTER NEAR I-394 AND ROCKFORD ROAD.
Jun 29, 8:20 PM CDTHAIL 0.75Minnetonka, MNREPORTED NEAR HWY 7 AND COUNTY RD. 73.
Jun 29, 8:25 PM CDTHAIL 1.5Minnetonka, MNREPORTED NEAR I-494 AND I-394. VIA FACEBOOK.
Jun 29, 8:27 PM CDTHAIL 1Minnetonka, MNREPORTED ONE MILE NORTH OF HWY 7 AND TANKAWOOD.
Jun 29, 8:38 PM CDTHAIL 1.25Eden Prairie, MNOCCURRED ON BOYD AVE.
Jun 29, 8:44 PM CDTHAIL 0.5Chanhassen, MN
Jun 29, 8:44 PM CDTHAIL 1.25Nws Chanhassen, MNLARGER HAIL STONE FOUND AT THE NWS FORECAST OFFICE.
Jun 29, 8:49 PM CDTHAIL 0.75Shakopee, MNLASTED FOR 2 MINUTES.
Jun 29, 8:50 PM CDTHAIL 0.5Shakopee, MNREPORTED NEAR SHAKOPEE HIGH SCHOOL.
Jun 29, 8:50 PM CDTHAIL 1Shakopee, MNNICKEL TO QUARTER DIAMETER SIZE. REPORTED NEAR 169 AND MARSCHALL RD.
Jun 29, 8:52 PM CDTHAIL 1Shakopee, MNREPORTED NEAR SHAKOPEE HIGH SCHOOL.
Jun 29, 8:56 PM CDTHAIL 0.88Shakopee, MNREPORTED VIA TWITTER.

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 29, 1:57 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.1 hours before the alert went out and 11 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 2015-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 joules per kilogram.LCLLFCEL10008507005003002001001 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 2015-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
813 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1463 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.4
Supercell composite
9.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

178 
WUUS53 KMPX 300105
SVRMPX
MNC019-053-300200-
/O.NEW.KMPX.SV.W.0059.150630T0105Z-150630T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
805 PM CDT MON JUN 29 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  EAST CENTRAL CARVER COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 900 PM CDT

* AT 805 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PLYMOUTH...
  OR 11 MILES NORTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 25 MPH.

  HAZARD...GOLF BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  PLYMOUTH AND GOLDEN VALLEY AROUND 810 PM CDT.
  ORONO AROUND 815 PM CDT.
  MINNETONKA...ST. LOUIS PARK AND WAYZATA AROUND 820 PM CDT.
  HOPKINS AROUND 825 PM CDT.
  EDINA AND EXCELSIOR AROUND 830 PM CDT.
  EDEN PRAIRIE AND CHANHASSEN AROUND 835 PM CDT.
  CHASKA AROUND 840 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...CRYSTAL...FLYING CLOUD AIRPORT...MEDICINE LAKE...NEW
HOPE...SHOREWOOD...LONG LAKE...GREENWOOD...CRYSTAL AIRPORT AND
DEEPHAVEN.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 219 AND
221.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4510 9359 4508 9335 4479 9331 4479 9338
      4481 9343 4480 9345 4480 9357 4477 9361
TIME...MOT...LOC 0105Z 356DEG 20KT 4505 9348 

HAIL...1.75IN
WIND...<50MPH
 
$$

BORGHOFF
3 follow-up statements
898 
WWUS53 KMPX 300120
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
820 PM CDT MON JUN 29 2015

MNC019-053-300200-
/O.CON.KMPX.SV.W.0059.000000T0000Z-150630T0200Z/
HENNEPIN MN-CARVER MN-
820 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL HENNEPIN AND EAST CENTRAL CARVER COUNTIES...

AT 820 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WAYZATA...OR
10 MILES WEST OF MINNEAPOLIS...MOVING SOUTH AT 25 MPH.

HAZARD...TWO INCH HAIL. 

SOURCE...LAW ENFORCEMENT. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS AND VEHICLES. 

THIS SEVERE STORM WILL BE NEAR...
  MINNETONKA AND HOPKINS AROUND 825 PM CDT.
  EDINA AND CHANHASSEN AROUND 830 PM CDT.
  EDEN PRAIRIE AROUND 835 PM CDT.
  SHAKOPEE AND SAVAGE AROUND 850 PM CDT.
  BURNSVILLE AROUND 855 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...FLYING CLOUD AIRPORT...MEDICINE LAKE...SHOREWOOD...LONG
LAKE...GREENWOOD AND DEEPHAVEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

&&

LAT...LON 4502 9357 4500 9337 4479 9331 4479 9338
      4481 9343 4480 9345 4480 9357 4477 9361
TIME...MOT...LOC 0120Z 356DEG 20KT 4497 9347 

HAIL...2.00IN
WIND...<50MPH
 
$$

BORGHOFF
905 
WWUS53 KMPX 300131
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
831 PM CDT MON JUN 29 2015

MNC019-053-300200-
/O.CON.KMPX.SV.W.0059.000000T0000Z-150630T0200Z/
HENNEPIN MN-CARVER MN-
831 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL HENNEPIN AND EAST CENTRAL CARVER COUNTIES...

AT 830 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MINNETONKA...
OR 11 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 25 MPH.

HAZARD...PING PONG BALL SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS AND VEHICLES. 

THIS SEVERE STORM WILL BE NEAR...
  EDEN PRAIRIE...CHASKA AND CHANHASSEN AROUND 835 PM CDT.
  BURNSVILLE...SHAKOPEE AND SAVAGE AROUND 845 PM CDT.
  CARVER AROUND 850 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...SHOREWOOD...GREENWOOD...FLYING CLOUD AIRPORT AND
DEEPHAVEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4496 9358 4494 9335 4479 9331 4479 9338
      4481 9343 4480 9345 4480 9357 4477 9361
TIME...MOT...LOC 0130Z 359DEG 22KT 4489 9347 

HAIL...1.50IN
WIND...<50MPH
 
$$

BORGHOFF
372 
WWUS53 KMPX 300148
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
848 PM CDT MON JUN 29 2015

MNC019-053-300200-
/O.CON.KMPX.SV.W.0059.000000T0000Z-150630T0200Z/
HENNEPIN MN-CARVER MN-
848 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL HENNEPIN AND EAST CENTRAL CARVER COUNTIES...

AT 848 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FLYING CLOUD
AIRPORT...OR 15 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 20
MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  SHAKOPEE AND CARVER AROUND 855 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE FLYING
CLOUD AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4487 9358 4485 9342 4481 9343 4480 9350
      4480 9357 4477 9361
TIME...MOT...LOC 0148Z 005DEG 18KT 4481 9351 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:09 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey44 min
Jun 29, 7:16 PM CDTSevere Thunderstorm WarningMPXDakota29 min
Jun 29, 7:43 PM CDTSpecial Weather StatementMPXGoodhue32 min
Jun 29, 8:29 PM CDTSpecial Weather StatementMPXRamsey31 min
Jun 29, 8:39 PM CDTSevere Thunderstorm WarningMPXDakota18 min
Jun 29, 8:41 PM CDTSevere Thunderstorm WarningMPXScott38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015

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.