Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 29, NWS Twin Cities, MN

June 17, 2015Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2015, 2:38 PM CDT for Steele County, Minnesota. It was in force for 67 min. 1 report 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: Jun 17, 2015, 2:38 PM CDT (19:38 UTC)
Expired: Jun 17, 2015, 3:45 PM CDT
In force: 67 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.75 in
Wind: 60.0 mph

County Steele County, MN

The radar

The Minneapolis radar (KMPX), 105 km from the middle of the area, began a volume at 19:42 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
Jun 17, 3:12 PM CDT	TSTM WND DMG	1 N Ellendale, MN	TREES REPORTED DOWN BY I-35 AT MILE MARKER 29.

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, 7.6 hours before the alert went out and 105 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: 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.

775 
WUUS53 KMPX 171938
SVRMPX
MNC147-172045-
/O.NEW.KMPX.SV.W.0029.150617T1938Z-150617T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
238 PM CDT WED JUN 17 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 345 PM CDT

* AT 238 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LEMOND...OR
  14 MILES SOUTHWEST OF OWATONNA...MOVING EAST AT 25 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  ELLENDALE AROUND 300 PM CDT.
  BLOOMING PRAIRIE AROUND 330 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HOPE...
STEELE CENTER...LEMOND AND BIXBY.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 25 AND 37.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4404 9341 4400 9305 4385 9305 4384 9313
      4385 9341
TIME...MOT...LOC 1938Z 290DEG 20KT 4395 9343 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$
JRB

6 follow-up statements

468 
WWUS53 KMPX 171947
SVSMPX

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

MNC147-172045-
/O.CON.KMPX.SV.W.0029.000000T0000Z-150617T2045Z/
STEELE MN-
247 PM CDT WED JUN 17 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHERN STEELE COUNTY...

AT 247 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOPE...OR 12
MILES SOUTHWEST OF OWATONNA...MOVING EAST AT 25 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         WIND DAMAGE TO ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  ELLENDALE AROUND 300 PM CDT.
  BLOOMING PRAIRIE AROUND 330 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HOPE...
STEELE CENTER...LEMOND AND BIXBY.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 25 AND 37.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4404 9341 4400 9305 4385 9305 4384 9313
      4385 9341
TIME...MOT...LOC 1947Z 289DEG 20KT 4393 9336 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

JRB

191 
WWUS53 KMPX 171959
SVSMPX

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

MNC147-172045-
/O.CON.KMPX.SV.W.0029.000000T0000Z-150617T2045Z/
STEELE MN-
259 PM CDT WED JUN 17 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHERN STEELE COUNTY...

AT 258 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ELLENDALE...OR
12 MILES SOUTHWEST OF OWATONNA...MOVING EAST AT 20 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         WIND DAMAGE TO ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  BLOOMING PRAIRIE AROUND 335 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HOPE...
STEELE CENTER...LEMOND AND BIXBY.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 25 AND 37.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO 
AREAS OF FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED 
ROADWAYS.

&&

LAT...LON 4404 9341 4400 9305 4385 9305 4384 9313
      4385 9341
TIME...MOT...LOC 1958Z 287DEG 19KT 4392 9332 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

JRB

557 
WWUS53 KMPX 172008
SVSMPX

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

MNC147-172045-
/O.CON.KMPX.SV.W.0029.000000T0000Z-150617T2045Z/
STEELE MN-
308 PM CDT WED JUN 17 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHERN STEELE COUNTY...

AT 307 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ELLENDALE...OR
14 MILES SOUTH OF OWATONNA...MOVING SOUTHEAST AT 20 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...
  BLOOMING PRAIRIE AROUND 335 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BIXBY
AND STEELE CENTER.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 25 AND 33.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO 
AREAS OF FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED 
ROADWAYS.

&&

LAT...LON 4396 9341 4398 9305 4385 9305 4384 9313
      4385 9341
TIME...MOT...LOC 2007Z 308DEG 19KT 4389 9328 

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

JRB

921 
WWUS53 KMPX 172025
SVSMPX

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

MNC147-172045-
/O.CON.KMPX.SV.W.0029.000000T0000Z-150617T2045Z/
STEELE MN-
325 PM CDT WED JUN 17 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHEASTERN STEELE COUNTY...

AT 324 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GENEVA...OR 15
MILES NORTHEAST OF ALBERT LEA...MOVING EAST AT 20 MPH.

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

SOURCE...LAW ENFORCEMENT REPORTED TREES DOWN NEAR ELLENDALE. 

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

THIS SEVERE STORM WILL BE NEAR...
  BLOOMING PRAIRIE AROUND 345 PM CDT.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 25 AND 30.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4393 9331 4392 9305 4385 9305 4384 9313
      4385 9335
TIME...MOT...LOC 2024Z 288DEG 16KT 4385 9322 

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

JRB

145 
WWUS53 KMPX 172039
SVSMPX

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

MNC147-172045-
/O.CON.KMPX.SV.W.0029.000000T0000Z-150617T2045Z/
STEELE MN-
339 PM CDT WED JUN 17 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHEASTERN STEELE COUNTY...

AT 338 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BLOOMING
PRAIRIE...OR 14 MILES NORTHWEST OF AUSTIN...MOVING EAST AT 15 MPH.

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

SOURCE...LAW ENFORCEMENT EARLIER REPORTED TREES DOWN NEAR ELLENDALE. 

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
SOUTHEASTERN STEELE COUNTY.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 26 AND 28.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4389 9328 4389 9305 4385 9305 4384 9313
      4385 9331
TIME...MOT...LOC 2038Z 283DEG 13KT 4384 9314 

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

JRB

186 
WWUS53 KMPX 172045
SVSMPX

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

MNC147-172054-
/O.EXP.KMPX.SV.W.0029.000000T0000Z-150617T2045Z/
STEELE MN-
345 PM CDT WED JUN 17 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEELE COUNTY
WILL EXPIRE AT 345 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4389 9328 4389 9305 4385 9305 4384 9313
      4385 9331
TIME...MOT...LOC 2043Z 290DEG 20KT 4384 9314 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 1:15 PM CDT	Special Weather Statement	MPX	Steele	45 min
Jun 17, 2:13 PM CDT	Special Weather Statement	MPX	Waseca	47 min
Jun 17, 2:30 PM CDT	Tornado Warning	MPX	Waseca	30 min
Jun 17, 3:22 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	38 min
Jun 17, 4:23 PM CDT	Special Weather Statement	MPX	Freeborn	22 min
Jun 17, 4:37 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	53 min
Jun 17, 4:50 PM CDT	Special Weather Statement	MPX	Freeborn	25 min
Jun 17, 5:19 PM CDT	Special Weather Statement	MPX	Freeborn	56 min
Jun 17, 5:56 PM CDT	Flash Flood Warning	MPX	Freeborn	3 hr
Jun 17, 6:07 PM CDT	Special Weather Statement	MPX	Freeborn	53 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.