Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 192, NWS Twin Cities, MN

August 4, 2016Carver County, Hennepin County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 2016, 7:52 AM CDT for Carver County, Hennepin County, Wright County, Minnesota. It was in force for 26 min. 3 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: Aug 4, 2016, 7:52 AM CDT (12:52 UTC)
Expired: Aug 4, 2016, 8:18 AM CDT
In force: 26 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Minneapolis radar (KMPX), 23 km from the middle of the area, began a volume at 12:52 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
Aug 4, 8:00 AM CDT	TSTM WND DMG	Delano, MN	SEVERAL LARGE OAK TREES DOWN, INCLUDING SOME BROKEN OFF 10-15 FEET OFF THE GROUND.
Aug 4, 8:05 AM CDT	TSTM WND DMG	1 S Greenfield, MN	TEN INCH DIAMETER TREE DOWN JUST SOUTH OF CR 50.
Aug 4, 8:07 AM CDT	TSTM WND DMG	Maple Plain, MN	TWO INCH DIAMETER TREE LIMBS DOWN. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 0.9 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-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: 1323 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

As transmitted.

554 
WUUS53 KMPX 041252
SVRMPX
MNC019-053-171-041330-
/O.NEW.KMPX.SV.W.0192.160804T1252Z-160804T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
752 AM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 830 AM CDT

* AT 751 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  WATERTOWN...OR 12 MILES SOUTH OF BUFFALO...MOVING NORTHEAST AT 30
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  DELANO AROUND 800 AM CDT. 
  ROCKFORD AROUND 805 AM CDT. 
  MOUND...MINNETRISTA AND MAPLE PLAIN AROUND 810 AM CDT. 
  ORONO...MEDINA AND INDEPENDENCE AROUND 815 AM CDT. 
  WAYZATA AROUND 820 AM CDT. 
  PLYMOUTH...MAPLE GROVE AND CORCORAN AROUND 830 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HANOVER... GREENFIELD...LORETTO...LONG LAKE...HAMEL...WOODLAND AND
SHOREWOOD.

THIS INCLUDES U.S. HIGHWAY 12 BETWEEN MILE MARKERS 132 AND 156.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4490 9389 4502 9400 4523 9362 4497 9342
TIME...MOT...LOC 1251Z 246DEG 25KT 4500 9385 

HAIL...<.75IN
WIND...60MPH
 
$$

SPD

3 follow-up statements

236 
WWUS53 KMPX 041300
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
800 AM CDT THU AUG 4 2016

MNC019-041309-
/O.CAN.KMPX.SV.W.0192.000000T0000Z-160804T1330Z/
CARVER MN-
800 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CARVER COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4497 9342 4493 9365 4492 9376 4497 9377
      4498 9384 4506 9393 4523 9362
TIME...MOT...LOC 1259Z 246DEG 25KT 4502 9377 

$$

MNC053-171-041330-
/O.CON.KMPX.SV.W.0192.000000T0000Z-160804T1330Z/
HENNEPIN MN-WRIGHT MN-
800 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM CDT
FOR NORTHWESTERN HENNEPIN AND SOUTHEASTERN WRIGHT COUNTIES...

AT 759 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER DELANO...OR 11
MILES SOUTHEAST OF BUFFALO...MOVING NORTHEAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THIS SEVERE STORM WILL BE NEAR...
  MOUND AND ROCKFORD AROUND 805 AM CDT. 
  MAPLE PLAIN AROUND 810 AM CDT. 
  ORONO...MEDINA AND INDEPENDENCE AROUND 815 AM CDT. 
  WAYZATA AROUND 820 AM CDT. 
  PLYMOUTH...MAPLE GROVE AND CORCORAN AROUND 830 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HANOVER... GREENFIELD...LORETTO...LONG LAKE...HAMEL...WOODLAND AND
SHOREWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4497 9342 4493 9365 4492 9376 4497 9377
      4498 9384 4506 9393 4523 9362
TIME...MOT...LOC 1259Z 246DEG 25KT 4502 9377 

HAIL...<.75IN
WIND...60MPH
 
$$

SPD

625 
WWUS53 KMPX 041312
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
812 AM CDT THU AUG 4 2016

MNC053-171-041330-
/O.CON.KMPX.SV.W.0192.000000T0000Z-160804T1330Z/
HENNEPIN MN-WRIGHT MN-
812 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM CDT
FOR NORTHWESTERN HENNEPIN AND EAST CENTRAL WRIGHT COUNTIES...

AT 812 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HAMEL...OR 16
MILES NORTHWEST OF MINNEAPOLIS...MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
PLYMOUTH...MAPLE GROVE...ST. MICHAEL...ORONO...CORCORAN...MEDINA...
ROCKFORD...WAYZATA...INDEPENDENCE...MAPLE PLAIN...
HANOVER AND GREENFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4497 9356 4504 9371 4512 9381 4523 9362
      4501 9346
TIME...MOT...LOC 1312Z 247DEG 37KT 4508 9356 

HAIL...<.75IN
WIND...60MPH
 
$$

SPD

327 
WWUS53 KMPX 041318
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
818 AM CDT THU AUG 4 2016

MNC053-171-041328-
/O.CAN.KMPX.SV.W.0192.000000T0000Z-160804T1330Z/
HENNEPIN MN-WRIGHT MN-
818 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HENNEPIN AND EAST
CENTRAL WRIGHT COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING HAS
BEEN CANCELLED.

LAT...LON 4497 9356 4504 9371 4512 9381 4523 9362
      4501 9346
TIME...MOT...LOC 1317Z 246DEG 25KT 4510 9350 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 1:37 AM CDT	Special Weather Statement	MPX	Douglas, Pope, Stevens	53 min
Aug 4, 2:08 AM CDT	Special Weather Statement	MPX	Todd	67 min
Aug 4, 2:33 AM CDT	Special Weather Statement	MPX	Morrison	57 min
Aug 4, 2:40 AM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	50 min
Aug 4, 3:23 AM CDT	Special Weather Statement	MPX	Mille Lacs	52 min
Aug 4, 3:46 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	44 min
Aug 4, 5:18 AM CDT	Special Weather Statement	MPX	Yellow Medicine	42 min
Aug 4, 5:34 AM CDT	Special Weather Statement	MPX	Wright	41 min
Aug 4, 5:49 AM CDT	Special Weather Statement	MPX	Yellow Medicine	56 min
Aug 4, 6:02 AM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	28 min
Aug 4, 6:10 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Renville, Yellow Medicine	50 min
Aug 4, 6:52 AM CDT	Special Weather Statement	MPX	Carver, Hennepin, Ramsey, Washington	53 min
Aug 4, 7:31 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Hennepin, Le Sueur, Ramsey, Rice and 2 more	59 min
Aug 4, 8:18 AM CDT	Special Weather Statement	MPX	Anoka	27 min
Aug 4, 8:35 AM CDT	Special Weather Statement	MPX	Chisago	25 min
Aug 4, 12:53 PM CDT	Severe Thunderstorm Warning	MPX	Steele	22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every severe thunderstorm warning in 2016

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.