Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 33, NWS Twin Cities, MN

June 20, 2015Renville County, Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 20, 2015, 4:14 AM CDT for Renville County, Sibley County, Minnesota. It was in force for 46 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: Jun 20, 2015, 4:14 AM CDT (09:14 UTC)
Expired: Jun 20, 2015, 5:00 AM CDT
In force: 46 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Renville County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 125 km from the middle of the area, began a volume at 09:18 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
Jun 20, 3:18 AM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.2 hours before the alert went out and 123 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1595 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 358 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

223 
WUUS53 KMPX 200914
SVRMPX
MNC129-143-201000-
/O.NEW.KMPX.SV.W.0033.150620T0914Z-150620T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
414 AM CDT SAT JUN 20 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
  RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 500 AM CDT

* AT 413 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM WOOD LAKE TO WABASSO...MOVING NORTHEAST AT 55 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SACRED HEART AROUND 425 AM CDT.
  MORTON AROUND 430 AM CDT.
  RENVILLE AND FRANKLIN AROUND 435 AM CDT.
  OLIVIA AND FAIRFAX AROUND 445 AM CDT.
  BUFFALO LAKE AROUND 455 AM CDT.
  STEWART AROUND 500 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
MINNESOTA FALLS...LAKESIDE...BECHYN AND DANUBE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9548 4489 9450 4445 9448 4446 9480
      4452 9488 4452 9492 4463 9520 4467 9525
      4467 9531 4469 9532 4470 9538 4473 9541
      4476 9549
TIME...MOT...LOC 0913Z 243DEG 48KT 4467 9555 4440 9526 

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

JRB

4 follow-up statements

377 
WWUS53 KMPX 200932
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
432 AM CDT SAT JUN 20 2015

MNC129-143-201000-
/O.CON.KMPX.SV.W.0033.000000T0000Z-150620T1000Z/
SIBLEY MN-RENVILLE MN-
432 AM CDT SAT JUN 20 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR WESTERN SIBLEY AND RENVILLE COUNTIES...

AT 432 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM RENVILLE TO NEAR MORTON...MOVING NORTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  FRANKLIN AND MORTON AROUND 435 AM CDT.
  OLIVIA AND FAIRFAX AROUND 445 AM CDT.
  BUFFALO LAKE AROUND 455 AM CDT.
  STEWART AROUND 500 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BECHYN...DANUBE AND LAKESIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9533 4489 9450 4445 9448 4446 9480
      4452 9488 4452 9492 4463 9520 4467 9525
      4467 9531 4469 9532 4470 9538 4473 9541
      4476 9549
TIME...MOT...LOC 0932Z 243DEG 48KT 4478 9524 4451 9495 

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

JRB

366 
WWUS53 KMPX 200941
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
441 AM CDT SAT JUN 20 2015

MNC129-143-201000-
/O.CON.KMPX.SV.W.0033.000000T0000Z-150620T1000Z/
SIBLEY MN-RENVILLE MN-
441 AM CDT SAT JUN 20 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR WESTERN SIBLEY AND EASTERN RENVILLE COUNTIES...

AT 441 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR OLIVIA TO FAIRFAX...MOVING NORTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  GIBBON AROUND 450 AM CDT.
  STEWART AROUND 500 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
LAKESIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9498 4489 9450 4445 9448 4446 9480
      4450 9485 4461 9484 4476 9487
TIME...MOT...LOC 0941Z 237DEG 47KT 4481 9499 4454 9470 

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

JRB

155 
WWUS53 KMPX 200951
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
451 AM CDT SAT JUN 20 2015

MNC129-143-201000-
/O.CON.KMPX.SV.W.0033.000000T0000Z-150620T1000Z/
SIBLEY MN-RENVILLE MN-
451 AM CDT SAT JUN 20 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR WESTERN SIBLEY AND EASTERN RENVILLE COUNTIES...

AT 451 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR THORPE TO NEAR GIBBON...MOVING NORTHEAST AT 55
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  GIBBON AROUND 455 AM CDT.
  STEWART AROUND 500 AM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
LAKESIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4488 9468 4489 9450 4445 9448 4446 9471
TIME...MOT...LOC 0951Z 243DEG 48KT 4486 9484 4459 9455 

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

JRB

410 
WWUS53 KMPX 200955
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
455 AM CDT SAT JUN 20 2015

MNC129-143-201005-
/O.EXP.KMPX.SV.W.0033.000000T0000Z-150620T1000Z/
SIBLEY MN-RENVILLE MN-
455 AM CDT SAT JUN 20 2015

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SIBLEY AND EASTERN
RENVILLE COUNTIES WILL EXPIRE AT 500 AM CDT...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT FOR
SOUTH CENTRAL MINNESOTA.

LAT...LON 4488 9468 4489 9450 4445 9448 4446 9471
TIME...MOT...LOC 0952Z 243DEG 48KT 4486 9484 4459 9455 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 10:40 PM CDT	Special Weather Statement	MPX	Martin	50 min
Jun 20, 3:59 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Yellow Medicine	46 min
Jun 20, 4:06 AM CDT	Special Weather Statement	MPX	Lac qui Parle, Yellow Medicine	24 min
Jun 20, 4:26 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Watonwan	34 min
Jun 20, 4:35 AM CDT	Special Weather Statement	MPX	Martin	25 min
Jun 20, 4:44 AM CDT	Special Weather Statement	MPX	McLeod, Sibley	31 min
Jun 20, 4:46 AM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker, Sherburne, Wright	119 min
Jun 20, 4:54 AM CDT	Special Weather Statement	MPX	Blue Earth, Nicollet	36 min
Jun 20, 5:05 AM CDT	Special Weather Statement	MPX	Faribault	40 min
Jun 20, 5:40 AM CDT	Special Weather Statement	MPX	Freeborn	35 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.