Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 82, NWS Twin Cities, MN

July 12, 2015Carver County, Hennepin County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2015, 10:55 PM CDT for Carver County, Hennepin County, Wright County, Minnesota. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 12, 2015, 10:55 PM CDT (03:55 UTC)
Expired: Jul 12, 2015, 11:30 PM CDT
In force: 35 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Carver County, MN, Hennepin County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 12 km from the middle of the area, began a volume at 03:57 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 12, 9:59 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.9 hours before the alert went out and 14 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: 3598 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1040 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

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

140 
WUUS53 KMPX 130355
SVRMPX
MNC019-053-171-130430-
/O.NEW.KMPX.SV.W.0082.150713T0355Z-150713T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1055 PM CDT SUN JUL 12 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1130 PM CDT

* AT 1054 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER DELANO...OR
  13 MILES SOUTH OF BUFFALO...MOVING SOUTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  MAPLE PLAIN AROUND 1100 PM CDT.
  MOUND...ORONO...MINNETRISTA AND ST. BONIFACIUS AROUND 1105 PM CDT.
  CHANHASSEN AND VICTORIA AROUND 1110 PM CDT.
  CHASKA AND EXCELSIOR AROUND 1115 PM CDT.
  EDEN PRAIRIE AND CARVER AROUND 1120 PM CDT.
  SHAKOPEE AROUND 1125 PM CDT.
  BURNSVILLE AND SAVAGE AROUND 1130 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE NORTH
MINNEAPOLIS...FLYING CLOUD AIRPORT...OSSEO...NEW HOPE...COMO PARK...
LAKE WACONIA...CRYSTAL AIRPORT...UNIV OF MN MINNEAPOLIS CAMPUS...
MEDICINE LAKE AND LONG LAKE.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA NEAR MILE MARKER 203...
BETWEEN MILE MARKERS 206 AND 224...AND BETWEEN MILE MARKERS 226 AND
237.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4506 9328 4504 9328 4502 9320 4488 9318
      4484 9321 4479 9331 4478 9338 4481 9343
      4480 9353 4476 9362 4475 9362 4501 9402
      4506 9381 4524 9364
TIME...MOT...LOC 0354Z 312DEG 36KT 4500 9379 

HAIL...0.88IN
WIND...60MPH
 
$$

JRB

4 follow-up statements

493 
WWUS53 KMPX 130406
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1106 PM CDT SUN JUL 12 2015

MNC171-130415-
/O.CAN.KMPX.SV.W.0082.000000T0000Z-150713T0430Z/
WRIGHT MN-
1106 PM CDT SUN JUL 12 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WRIGHT COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT FOR
EAST CENTRAL MINNESOTA.

LAT...LON 4506 9329 4504 9328 4502 9321 4488 9318
      4484 9321 4479 9331 4478 9338 4481 9343
      4480 9353 4476 9362 4496 9393 4498 9389
      4498 9377 4504 9377 4519 9355
TIME...MOT...LOC 0405Z 304DEG 34KT 4502 9363 

$$

MNC019-053-130430-
/O.CON.KMPX.SV.W.0082.000000T0000Z-150713T0430Z/
HENNEPIN MN-CARVER MN-
1106 PM CDT SUN JUL 12 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR HENNEPIN AND NORTHEASTERN CARVER COUNTIES...

AT 1105 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MAPLE
PLAIN...OR 16 MILES SOUTHEAST OF BUFFALO...MOVING SOUTHEAST AT 40
MPH.

HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

THIS SEVERE STORM WILL BE NEAR...
  CHANHASSEN...VICTORIA...WAYZATA AND EXCELSIOR AROUND 1115 PM CDT.
  MINNETONKA AND ST. LOUIS PARK AROUND 1120 PM CDT.
  EDEN PRAIRIE AND HOPKINS AROUND 1125 PM CDT.
  BLOOMINGTON...BURNSVILLE...EDINA...SHAKOPEE AND RICHFIELD AROUND
1130 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...NORTH MINNEAPOLIS...FLYING CLOUD AIRPORT...NEW HOPE...COMO
PARK...LAKE WACONIA...CRYSTAL AIRPORT...HAMEL...UNIV OF MN
MINNEAPOLIS CAMPUS AND CRYSTAL.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 209 AND
223...AND BETWEEN MILE MARKERS 227 AND 236.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4506 9329 4504 9328 4502 9321 4488 9318
      4484 9321 4479 9331 4478 9338 4481 9343
      4480 9353 4476 9362 4496 9393 4498 9389
      4498 9377 4504 9377 4519 9355
TIME...MOT...LOC 0405Z 304DEG 34KT 4502 9363 

HAIL...0.88IN
WIND...70MPH
 
$$

JRB

225 
WWUS53 KMPX 130415
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1115 PM CDT SUN JUL 12 2015

MNC019-053-130430-
/O.CON.KMPX.SV.W.0082.000000T0000Z-150713T0430Z/
HENNEPIN MN-CARVER MN-
1115 PM CDT SUN JUL 12 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR HENNEPIN AND NORTHEASTERN CARVER COUNTIES...

AT 1115 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ORONO...OR 17
MILES WEST OF MINNEAPOLIS...MOVING SOUTHEAST AT 20 MPH.

HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS AND OUTBUILDINGS. 

THIS SEVERE STORM WILL BE NEAR...
  WAYZATA AROUND 1120 PM CDT.
  EDEN PRAIRIE...CHASKA...CHANHASSEN...VICTORIA AND EXCELSIOR AROUND
1130 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...NORTH MINNEAPOLIS...FLYING CLOUD AIRPORT...NEW HOPE...COMO
PARK...LAKE WACONIA...HAMEL...UNIV OF MN MINNEAPOLIS CAMPUS...CRYSTAL
AND MEDICINE LAKE.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 227 AND
236.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4506 9329 4504 9328 4502 9321 4488 9318
      4484 9321 4479 9331 4478 9338 4481 9343
      4480 9353 4476 9362 4490 9384 4498 9383
      4498 9377 4504 9377 4511 9366
TIME...MOT...LOC 0415Z 330DEG 19KT 4496 9363 

HAIL...0.88IN
WIND...70MPH
 
$$

JRB

497 
WWUS53 KMPX 130423
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1123 PM CDT SUN JUL 12 2015

MNC019-053-130430-
/O.CON.KMPX.SV.W.0082.000000T0000Z-150713T0430Z/
HENNEPIN MN-CARVER MN-
1123 PM CDT SUN JUL 12 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR SOUTHERN HENNEPIN AND NORTHEASTERN CARVER COUNTIES...

AT 1123 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CHANHASSEN...
OR 14 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTHEAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BLOOMINGTON...EDEN PRAIRIE...BURNSVILLE...
MINNETONKA...EDINA...ST. LOUIS PARK...SHAKOPEE...RICHFIELD...SAVAGE
AND CHASKA.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 232 AND
237.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4488 9318 4484 9321 4479 9331 4478 9338
      4481 9343 4480 9353 4476 9362 4490 9384
      4493 9372 4499 9320
TIME...MOT...LOC 0423Z 313DEG 38KT 4486 9353 

HAIL...0.88IN
WIND...60MPH
 
$$

JRB

919 
WWUS53 KMPX 130429
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1129 PM CDT SUN JUL 12 2015

MNC019-053-130439-
/O.EXP.KMPX.SV.W.0082.000000T0000Z-150713T0430Z/
HENNEPIN MN-CARVER MN-
1129 PM CDT SUN JUL 12 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HENNEPIN AND
NORTHEASTERN CARVER COUNTIES WILL EXPIRE AT 1130 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.  HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT FOR
EAST CENTRAL MINNESOTA.

LAT...LON 4488 9318 4484 9321 4479 9331 4478 9338
      4481 9343 4480 9353 4476 9362 4490 9384
      4493 9372 4499 9320
TIME...MOT...LOC 0425Z 312DEG 36KT 4486 9353 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:00 PM CDT	Tornado Warning	MPX	Morrison, Todd	45 min
Jul 12, 7:09 PM CDT	Tornado Warning	MPX	Pope, Stevens	36 min
Jul 12, 7:18 PM CDT	Tornado Warning	MPX	Morrison, Todd	42 min
Jul 12, 7:20 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	70 min
Jul 12, 7:30 PM CDT	Special Weather Statement	MPX	Douglas	3 hr
Jul 12, 7:39 PM CDT	Tornado Warning	MPX	Douglas	30 min
Jul 12, 7:40 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Stearns	50 min
Jul 12, 7:42 PM CDT	Tornado Warning	MPX	Pope	48 min
Jul 12, 8:16 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	44 min
Jul 12, 8:24 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Sherburne	51 min
Jul 12, 8:27 PM CDT	Severe Thunderstorm Warning	MPX	Pope	33 min
Jul 12, 8:32 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	28 min
Jul 12, 8:40 PM CDT	Special Weather Statement	MPX	Douglas	35 min
Jul 12, 8:54 PM CDT	Severe Thunderstorm Warning	MPX	Isanti, Kanabec, Mille Lacs	51 min
Jul 12, 8:54 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	81 min
Jul 12, 8:59 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns	46 min
Jul 12, 8:59 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Benton, Isanti, Sherburne	61 min
Jul 12, 9:03 PM CDT	Special Weather Statement	MPX	Chippewa	27 min
Jul 12, 9:24 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	51 min
Jul 12, 9:31 PM CDT	Special Weather Statement	MPX	Kandiyohi	29 min
Jul 12, 9:48 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	57 min
Jul 12, 9:48 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Ramsey, Washington	57 min
Jul 12, 10:32 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	26 min
Jul 12, 10:45 PM CDT	Special Weather Statement	MPX	Carver, Hennepin, McLeod, Ramsey, Washington, Wright	60 min
Jul 12, 11:18 PM CDT	Special Weather Statement	MPX	Douglas	57 min
Jul 12, 11:18 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	19 min
Jul 12, 11:40 PM CDT	Special Weather Statement	MPX	Dakota, Goodhue, Le Sueur, Rice, Scott	50 min
Jul 13, 12:29 AM CDT	Special Weather Statement	MPX	Todd	46 min
Jul 13, 12:41 AM CDT	Special Weather Statement	MPX	Goodhue	64 min
Jul 13, 1:23 AM CDT	Special Weather Statement	MPX	Sherburne	52 min
Jul 13, 2:47 AM CDT	Special Weather Statement	MPX	Washington	58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.