Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 16, NWS Twin Cities, MN

May 25, 2015Blue Earth County, Le Sueur County, Waseca County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2015, 6:23 PM CDT for Blue Earth County, Le Sueur County, Waseca County, Minnesota. It was in force for 37 min. 2 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: May 25, 2015, 6:23 PM CDT (23:23 UTC)
Expired: May 25, 2015, 7:00 PM CDT
In force: 37 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Blue Earth County, MN, Le Sueur County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 79 km from the middle of the area, began a volume at 23:26 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
May 25, 6:30 PM CDT	HAIL 0.75	5 Sse Madison Lake, MN	NEAR SMITHS MILL
May 25, 6:35 PM CDT	HAIL 0.75	1 Nnw Janesville, 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, 11.4 hours before the alert went out and 79 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: 587 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 5 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.

880 
WUUS53 KMPX 252323
SVRMPX
MNC013-079-161-260000-
/O.NEW.KMPX.SV.W.0016.150525T2323Z-150526T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
623 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 700 PM CDT

* AT 623 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SMITHS
  MILL...OR 10 MILES EAST OF MANKATO...MOVING NORTHEAST AT 40 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...
  ELYSIAN AROUND 630 PM CDT.
  WATERVILLE AROUND 640 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SMITHS
MILL AND GREENLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4404 9386 4421 9392 4431 9361 4414 9350
TIME...MOT...LOC 2323Z 241DEG 33KT 4416 9377 

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

LS

3 follow-up statements

846 
WWUS53 KMPX 252337
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
637 PM CDT MON MAY 25 2015

MNC013-252346-
/O.CAN.KMPX.SV.W.0016.000000T0000Z-150526T0000Z/
BLUE EARTH MN-
637 PM CDT MON MAY 25 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BLUE EARTH 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 4407 9377 4426 9377 4431 9361 4414 9350
TIME...MOT...LOC 2336Z 244DEG 31KT 4419 9362 

$$

MNC079-161-260000-
/O.CON.KMPX.SV.W.0016.000000T0000Z-150526T0000Z/
WASECA MN-LE SUEUR MN-
637 PM CDT MON MAY 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN WASECA AND SOUTHEASTERN LE SUEUR COUNTIES...

AT 636 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ELYSIAN...OR
18 MILES EAST OF MANKATO...MOVING NORTHEAST 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 STORM WILL BE NEAR...
  WATERVILLE AROUND 640 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SMITHS
MILL AND GREENLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4407 9377 4426 9377 4431 9361 4414 9350
TIME...MOT...LOC 2336Z 244DEG 31KT 4419 9362 

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

LS

972 
WWUS53 KMPX 252345
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
645 PM CDT MON MAY 25 2015

MNC079-161-260000-
/O.CON.KMPX.SV.W.0016.000000T0000Z-150526T0000Z/
WASECA MN-LE SUEUR MN-
645 PM CDT MON MAY 25 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTH CENTRAL WASECA AND SOUTHEASTERN LE SUEUR COUNTIES...

AT 645 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WATERVILLE...
OR 14 MILES SOUTHWEST OF FARIBAULT...MOVING NORTHEAST 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 REMAIN OVER MAINLY RURAL AREAS OF NORTH
CENTRAL WASECA AND SOUTHEASTERN LE SUEUR COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4412 9366 4423 9372 4427 9358 4421 9354
      4415 9351
TIME...MOT...LOC 2345Z 241DEG 31KT 4422 9354 

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

LS

441 
WWUS53 KMPX 252353
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
653 PM CDT MON MAY 25 2015

MNC079-161-260003-
/O.EXP.KMPX.SV.W.0016.000000T0000Z-150526T0000Z/
WASECA MN-LE SUEUR MN-
653 PM CDT MON MAY 25 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WASECA AND
SOUTHEASTERN LE SUEUR COUNTIES WILL EXPIRE AT 700 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4412 9366 4423 9372 4427 9358 4421 9354
      4415 9351
TIME...MOT...LOC 2350Z 241DEG 33KT 4422 9354 

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 6:44 PM CDT	Special Weather Statement	MPX	Rice	31 min
May 25, 6:52 PM CDT	Severe Thunderstorm Warning	MPX	Rice	23 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.