Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 15, NWS Twin Cities, MN

June 17, 2015Waseca County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 17, 2015, 2:30 PM CDT for Waseca County, Minnesota. It was in force for 30 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 17, 2015, 2:30 PM CDT (19:30 UTC)
Expired
Jun 17, 2015, 3:00 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Waseca County, MN

The radar

The Minneapolis radar (KMPX), 102 km from the middle of the area, began a volume at 19:31 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.5 hours before the alert went out and 103 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2015-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2015-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
3208 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
238 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.

234 
WFUS53 KMPX 171930
TORMPX
MNC161-172000-
/O.NEW.KMPX.TO.W.0015.150617T1930Z-150617T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
230 PM CDT WED JUN 17 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 300 PM CDT
    
* AT 230 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER OTISCO...OR 17 MILES SOUTHWEST OF
  OWATONNA...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...TORNADO AND QUARTER 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTHEASTERN WASECA COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
  OTISCO.

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 4394 9363 4402 9352 4397 9340 4385 9341
      4385 9351
TIME...MOT...LOC 1930Z 299DEG 24KT 4394 9351 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JRB
3 follow-up statements
978 
WWUS53 KMPX 171935
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
235 PM CDT WED JUN 17 2015

MNC161-172000-
/O.CON.KMPX.TO.W.0015.000000T0000Z-150617T2000Z/
WASECA MN-
235 PM CDT WED JUN 17 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHEASTERN WASECA COUNTY...
    
AT 235 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR NEW RICHLAND...OR 16 MILES SOUTHWEST OF OWATONNA...
MOVING SOUTHEAST AT 25 MPH.

HAZARD...TORNADO AND GOLF 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. 

LOCATIONS IMPACTED INCLUDE...
NEW RICHLAND.

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 4399 9356 4402 9352 4397 9340 4385 9341
      4388 9350 4392 9356
TIME...MOT...LOC 1935Z 294DEG 20KT 4394 9348 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

JRB
695 
WWUS53 KMPX 171944
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
244 PM CDT WED JUN 17 2015

MNC161-172000-
/O.CON.KMPX.TO.W.0015.000000T0000Z-150617T2000Z/
WASECA MN-
244 PM CDT WED JUN 17 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
SOUTHEASTERN WASECA COUNTY...
    
AT 243 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR NEW RICHLAND...OR 16 MILES SOUTHWEST OF OWATONNA... 
MOVING SOUTHEAST AT 15 MPH.

HAZARD...TORNADO AND GOLF 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. 

LOCATIONS IMPACTED INCLUDE...
NEW RICHLAND.

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 4396 9354 4401 9349 4397 9341 4385 9341
      4388 9350 4391 9354
TIME...MOT...LOC 1943Z 303DEG 12KT 4392 9347 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

JRB
304 
WWUS53 KMPX 171954
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
254 PM CDT WED JUN 17 2015

MNC161-172004-
/O.EXP.KMPX.TO.W.0015.000000T0000Z-150617T2000Z/
WASECA MN-
254 PM CDT WED JUN 17 2015

...THE TORNADO WARNING FOR SOUTHEASTERN WASECA COUNTY WILL EXPIRE AT
300 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.

LAT...LON 4396 9354 4401 9349 4397 9341 4385 9341
      4388 9350 4391 9354
TIME...MOT...LOC 1953Z 299DEG 24KT 4392 9347 

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 1:15 PM CDTSpecial Weather StatementMPXSteele45 min
Jun 17, 2:13 PM CDTSpecial Weather StatementMPXWaseca47 min
Jun 17, 2:38 PM CDTSevere Thunderstorm WarningMPXSteele67 min
Jun 17, 3:22 PM CDTSevere Thunderstorm WarningMPXFreeborn38 min
Jun 17, 4:23 PM CDTSpecial Weather StatementMPXFreeborn22 min
Jun 17, 4:37 PM CDTSevere Thunderstorm WarningMPXFreeborn53 min
Jun 17, 4:50 PM CDTSpecial Weather StatementMPXFreeborn25 min
Jun 17, 5:19 PM CDTSpecial Weather StatementMPXFreeborn56 min
Jun 17, 5:56 PM CDTFlash Flood WarningMPXFreeborn3 hr
Jun 17, 6:07 PM CDTSpecial Weather StatementMPXFreeborn53 min

Nearby

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