Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 16, NWS Twin Cities, MN

July 12, 2015Douglas County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 12, 2015, 6:13 PM CDT for Douglas County, Minnesota. It was in force for 47 min. 6 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: Jul 12, 2015, 6:13 PM CDT (23:13 UTC)
Expired: Jul 12, 2015, 7:00 PM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Douglas County, MN

The radar

The Minneapolis radar (KMPX), 195 km from the middle of the area, began a volume at 23:14 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
Jul 12, 7:09 PM CDT	TSTM WND DMG	4 S Garfield, MN	PINE TREES UP ROOTED
Jul 12, 7:09 PM CDT	TSTM WND DMG	6 W Alexandria, MN	PINE TREES UP ROOTED
Jul 12, 7:09 PM CDT	TSTM WND GST 80	1 S Brandon, MN	ESTIMATED
Jul 12, 7:09 PM CDT	TSTM WND GST 80	1 Ssw Brandon, MN	ESTIMATED
Jul 12, 7:10 PM CDT	TSTM WND DMG	3 Se Brandon, MN	LARGE TREES SPLIT OPEN. OCCURRED SPORADICALLY FROM 3 TO 4 MILES SE OF TOWN ALONG COUNTY ROAD 82. TIME OF EVENT ESTIMATED.
Jul 12, 7:10 PM CDT	TSTM WND DMG	Brandon, MN	LARGE TREES SPLIT OPEN ON NORTH SIDE OF TOWN. TIME ESTIMATED.

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
Jul 12, 5:28 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 192 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: 1730 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

183 
WFUS53 KMPX 122313
TORMPX
MNC041-130000-
/O.NEW.KMPX.TO.W.0016.150712T2313Z-150713T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
613 PM CDT SUN JUL 12 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 700 PM CDT
    
* AT 612 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ELBOW LAKE...OR 23 MILES NORTH OF
  MORRIS...MOVING NORTHEAST AT 45 MPH.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  EVANSVILLE AROUND 635 PM CDT.
  BRANDON AROUND 640 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
GARFIELD...NELSON...ALEXANDRIA AIRPORT...FORADA...MILLERVILLE...LEAF
VALLEY...MELBY...MILTONA AND HOLMES CITY.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 81 AND
109.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4611 9527 4576 9525 4576 9576 4582 9575
      4610 9577
TIME...MOT...LOC 2312Z 247DEG 40KT 4593 9601 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

DWE

1 follow-up statement

155 
WWUS53 KMPX 122342
SVSMPX

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

MNC041-130000-
/O.CON.KMPX.TO.W.0016.000000T0000Z-150713T0000Z/
DOUGLAS MN-
642 PM CDT SUN JUL 12 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR DOUGLAS
COUNTY...
    
AT 642 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BARRETT...OR 20 MILES WEST OF ALEXANDRIA...MOVING
EAST AT 35 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  EVANSVILLE AROUND 650 PM CDT.
  BRANDON AROUND 700 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
GARFIELD...NELSON...ALEXANDRIA AIRPORT...FORADA...MILLERVILLE...LEAF
VALLEY...MELBY...MILTONA AND HOLMES CITY.

THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 81 AND
109.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4611 9527 4576 9525 4576 9576 4582 9575
      4610 9577
TIME...MOT...LOC 2342Z 263DEG 32KT 4592 9579 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

DWE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 7:00 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	45 min
Jul 11, 7:48 PM CDT	Special Weather Statement	MPX	Kanabec	42 min
Jul 12, 7:50 AM CDT	Special Weather Statement	MPX	Mille Lacs	25 min
Jul 12, 8:30 AM CDT	Special Weather Statement	MPX	Kanabec	30 min
Jul 12, 9:04 AM CDT	Special Weather Statement	MPX	Kanabec	41 min
Jul 12, 6:24 PM CDT	Tornado Warning	MPX	Douglas, Todd	51 min
Jul 12, 6:58 PM CDT	Tornado Warning	MPX	Douglas	47 min

Nearby

Tornado Warnings in Minnesota, 2015 Every tornado warning in 2015 Tornadoes 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.