Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 148, NWS Twin Cities, MN

July 13, 2016Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2016, 7:54 AM CDT for Watonwan County, Minnesota. It was in force for 66 min. 4 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 13, 2016, 7:54 AM CDT (12:54 UTC)
Expired: Jul 13, 2016, 9:00 AM CDT
In force: 66 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 12:54 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 13, 8:10 AM CDT	HAIL 1	Butterfield, MN	.
Jul 13, 8:30 AM CDT	TSTM WND DMG	St. James, MN	MULTIPLE LARGE TREES DOWN IN DOWN. POWER LINES TOO.
Jul 13, 8:34 AM CDT	NON-TSTM WND GST 52	3 E St. James, MN	AWOS STATION ST. JAMES AP /JYG/.
Jul 13, 8:42 AM CDT	HAIL 1.5	2 N Lewisville, MN	.

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 131 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: 2020 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 763 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

As transmitted.

705 
WUUS53 KMPX 131254
SVRMPX
MNC165-131400-
/O.NEW.KMPX.SV.W.0148.160713T1254Z-160713T1400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
754 AM CDT WED JUL 13 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 900 AM CDT

* AT 754 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MOUNTAIN
  LAKE...OR 11 MILES NORTHEAST OF WINDOM...MOVING EAST AT 35 MPH.

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

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  BUTTERFIELD AROUND 810 AM CDT. 
  ST. JAMES AROUND 825 AM CDT. 
  MADELIA AND LEWISVILLE AROUND 845 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
GROGAN... ECHOLS...DARFUR...ST JAMES AIRPORT...SVEADAHL...LA
SALLE...ODIN AND SOUTH BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4385 9486 4411 9486 4411 9437 4385 9437
TIME...MOT...LOC 1254Z 276DEG 30KT 4401 9498 

HAIL...1.00IN
WIND...60MPH
 
$$

RAH

5 follow-up statements

241 
WWUS53 KMPX 131315
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
815 AM CDT WED JUL 13 2016

MNC165-131400-
/O.CON.KMPX.SV.W.0148.000000T0000Z-160713T1400Z/
WATONWAN MN-
815 AM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR WATONWAN COUNTY...

AT 814 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR SVEADAHL TO NEAR MOUNTAIN LAKE...MOVING EAST AT
35 MPH.

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

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  ST. JAMES AROUND 835 AM CDT. 
  MADELIA AROUND 840 AM CDT. 
  LEWISVILLE AROUND 855 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
GROGAN...ECHOLS...ST JAMES AIRPORT...SVEADAHL...LA SALLE...ODIN AND
SOUTH BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4385 9486 4401 9486 4411 9472 4411 9437
      4385 9437
TIME...MOT...LOC 1314Z 275DEG 29KT 4409 9467 4390 9489 

HAIL...1.00IN
WIND...60MPH
 
$$

RAH

405 
WWUS53 KMPX 131335
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
835 AM CDT WED JUL 13 2016

MNC165-131400-
/O.CON.KMPX.SV.W.0148.000000T0000Z-160713T1400Z/
WATONWAN MN-
835 AM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR WATONWAN COUNTY...

AT 834 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MADELIA TO NEAR ORMSBY...MOVING EAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  MADELIA AROUND 840 AM CDT. 
  LEWISVILLE AROUND 855 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
ODIN... GROGAN...ECHOLS...ST JAMES AIRPORT AND SOUTH BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4385 9486 4399 9464 4411 9450 4411 9437
      4385 9437
TIME...MOT...LOC 1334Z 276DEG 30KT 4407 9446 4388 9468 

HAIL...1.00IN
WIND...60MPH
 
$$

JRB

203 
WWUS53 KMPX 131343
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
843 AM CDT WED JUL 13 2016

MNC165-131400-
/O.CON.KMPX.SV.W.0148.000000T0000Z-160713T1400Z/
WATONWAN MN-
843 AM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR EASTERN WATONWAN COUNTY...

AT 843 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MADELIA TO SOUTH BRANCH...MOVING EAST AT 35 MPH.

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

SOURCE...PUBLIC REPORTED 1.5 INCH HAIL NEAR LEWIS MINNESOTA. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
EASTERN WATONWAN COUNTY...INCLUDING THE FOLLOWING LOCATIONS: SOUTH
BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4385 9466 4398 9449 4411 9441 4411 9437
      4385 9437
TIME...MOT...LOC 1343Z 276DEG 30KT 4406 9437 4387 9459 

HAIL...1.00IN
WIND...60MPH
 
$$

JRB

566 
WWUS53 KMPX 131354
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
854 AM CDT WED JUL 13 2016

MNC165-131400-
/O.CON.KMPX.SV.W.0148.000000T0000Z-160713T1400Z/
WATONWAN MN-
854 AM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR SOUTHEASTERN WATONWAN COUNTY...

AT 854 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR LAKE CRYSTAL TO NEAR TRUMAN...MOVING EAST AT 35
MPH.

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

SOURCE...PUBLIC. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
LEWISVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4385 9452 4396 9447 4402 9441 4404 9437
      4385 9437
TIME...MOT...LOC 1354Z 276DEG 30KT 4405 9426 4386 9448 

HAIL...1.00IN
WIND...60MPH
 
$$

JRB

502 
WWUS53 KMPX 131400
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
900 AM CDT WED JUL 13 2016

MNC165-131410-
/O.EXP.KMPX.SV.W.0148.000000T0000Z-160713T1400Z/
WATONWAN MN-
900 AM CDT WED JUL 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WATONWAN COUNTY
HAS EXPIRED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 4385 9452 4396 9447 4402 9441 4404 9437
      4385 9437
TIME...MOT...LOC 1358Z 276DEG 30KT 4405 9426 4386 9448 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 8:34 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin	41 min
Jul 13, 9:20 AM CDT	Special Weather Statement	MPX	Blue Earth	40 min
Jul 13, 9:27 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur	33 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.