Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 49, NWS Twin Cities, MN

June 29, 2015Hennepin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 2015, 3:56 PM CDT for Hennepin County, Minnesota. It was in force for 64 min. 7 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, 3:56 PM CDT (20:56 UTC)
Expired: Jun 29, 2015, 5:00 PM CDT
In force: 64 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 10 km from the middle of the area, began a volume at 20:57 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 29, 4:08 PM CDT	HAIL 0.75	Plymouth, MN	OCCURRED NEAR INTERSTATE 494 AND COUNTY ROAD 6.
Jun 29, 4:09 PM CDT	HAIL 1.75	Plymouth, MN	OCCURRED NEAR INTERSTATE 494 AND COUNTY ROAD 6.
Jun 29, 4:11 PM CDT	HAIL 1	Plymouth, MN	REPORTED NEAR SOUTHEAST CORNER OF I-494 AND HIGHWAY 55.
Jun 29, 4:14 PM CDT	HAIL 0.75	Minnetonka, MN	OCCURRED JUST EAST OF INTERSTATE 494 BETWEEN MINNETONKA BLVD AND HIGHWAY 7. REPORTED VIA FACEBOOK.
Jun 29, 4:16 PM CDT	HAIL 1	Plymouth, MN	OCCURRED NEAR INTERSTATE 494 AND HIGHWAY 55.
Jun 29, 4:23 PM CDT	HAIL 0.88	Eden Prairie, MN	OCCURRED ONE QUARTER MILE SOUTHEAST OF HIGHWAY 62 AND BAKER ROAD.
Jun 29, 4:47 PM CDT	HAIL 1	Eden Prairie, MN	REPORTED 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.

Issued	Product	Office	Lasted
Jun 29, 1:57 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.9 hours before the alert went out and 12 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: 160 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1297 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

815 
WUUS53 KMPX 292056
SVRMPX
MNC053-292200-
/O.NEW.KMPX.SV.W.0049.150629T2056Z-150629T2200Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 500 PM CDT

* AT 355 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PLYMOUTH...
  OR 12 MILES NORTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 20 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  PLYMOUTH AROUND 400 PM CDT.
  GOLDEN VALLEY AND ORONO AROUND 405 PM CDT.
  WAYZATA AROUND 410 PM CDT.
  MINNETONKA AND ST. LOUIS PARK AROUND 415 PM CDT.
  HOPKINS AROUND 420 PM CDT.
  EDINA AROUND 425 PM CDT.
  EDEN PRAIRIE AND CHANHASSEN AROUND 430 PM CDT.
  SHAKOPEE AROUND 445 PM CDT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4481 9343 4480 9351 4489 9352 4490 9355
      4502 9357 4504 9336 4480 9327 4479 9338
TIME...MOT...LOC 2055Z 353DEG 18KT 4506 9349 

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

BORGHOFF

4 follow-up statements

444 
WWUS53 KMPX 292109
SVSMPX

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

MNC053-292200-
/O.CON.KMPX.SV.W.0049.000000T0000Z-150629T2200Z/
HENNEPIN MN-
409 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHEASTERN HENNEPIN COUNTY...

AT 409 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PLYMOUTH...OR
10 MILES WEST OF MINNEAPOLIS...MOVING SOUTH AT 20 MPH.

HAZARD...GOLF BALL SIZE 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 ST. LOUIS PARK AROUND 415 PM CDT.
  HOPKINS AROUND 420 PM CDT.
  EDINA AND CHANHASSEN AROUND 425 PM CDT.
  EDEN PRAIRIE AROUND 430 PM CDT.
  SHAKOPEE AROUND 445 PM CDT.
  BURNSVILLE AND SAVAGE AROUND 450 PM CDT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4481 9343 4480 9351 4489 9352 4490 9355
      4502 9356 4504 9336 4480 9327 4479 9338
TIME...MOT...LOC 2109Z 353DEG 18KT 4499 9347 

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

BORGHOFF

414 
WWUS53 KMPX 292123
SVSMPX

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

MNC053-292200-
/O.CON.KMPX.SV.W.0049.000000T0000Z-150629T2200Z/
HENNEPIN MN-
423 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTH CENTRAL HENNEPIN COUNTY...

AT 422 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOPKINS...OR 9
MILES WEST OF MINNEAPOLIS...MOVING SOUTH AT 20 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 STORM WILL BE NEAR...
  EDEN PRAIRIE...EDINA AND CHANHASSEN AROUND 430 PM CDT.
  SHAKOPEE AROUND 445 PM CDT.
  BURNSVILLE AND SAVAGE AROUND 450 PM CDT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4481 9343 4480 9351 4489 9352 4490 9355
      4498 9354 4498 9336 4480 9327 4479 9338
TIME...MOT...LOC 2122Z 353DEG 18KT 4492 9345 

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

BORGHOFF

870 
WWUS53 KMPX 292142
SVSMPX

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

MNC053-292200-
/O.CON.KMPX.SV.W.0049.000000T0000Z-150629T2200Z/
HENNEPIN MN-
442 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTH CENTRAL HENNEPIN COUNTY...

AT 442 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FLYING CLOUD
AIRPORT...OR 12 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 25
MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  BURNSVILLE AND SAVAGE AROUND 450 PM CDT.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4484 9350 4486 9343 4485 9332 4480 9329
      4479 9338 4481 9343 4480 9351
TIME...MOT...LOC 2142Z 350DEG 21KT 4481 9342 

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

BORGHOFF

617 
WWUS53 KMPX 292154
SVSMPX

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

MNC053-292203-
/O.EXP.KMPX.SV.W.0049.000000T0000Z-150629T2200Z/
HENNEPIN MN-
454 PM CDT MON JUN 29 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HENNEPIN COUNTY
WILL EXPIRE AT 500 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR
EAST CENTRAL MINNESOTA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE TWIN CITIES.

LAT...LON 4484 9350 4486 9343 4485 9332 4480 9329
      4479 9338 4481 9343 4480 9351
TIME...MOT...LOC 2150Z 353DEG 18KT 4481 9342 

$$

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 1:19 PM CDT	Special Weather Statement	MPX	Mille Lacs	26 min
Jun 29, 3:12 PM CDT	Special Weather Statement	MPX	Hennepin	33 min
Jun 29, 3:19 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	56 min
Jun 29, 4:28 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	47 min
Jun 29, 5:00 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	60 min
Jun 29, 5:32 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Washington	58 min
Jun 29, 6:02 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti	43 min
Jun 29, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	47 min
Jun 29, 6:48 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey	42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every 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.