Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 61, NWS Twin Cities, MN

June 29, 2015Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 2015, 8:41 PM CDT for Scott County, Minnesota. It was in force for 38 min. 5 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: Jun 29, 2015, 8:41 PM CDT (01:41 UTC)
Expired: Jun 29, 2015, 9:19 PM CDT
In force: 38 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

County Scott County, MN

The radar

The Minneapolis radar (KMPX), 14 km from the middle of the area, began a volume at 01:44 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 29, 8:49 PM CDT	HAIL 0.75	Shakopee, MN	LASTED FOR 2 MINUTES.
Jun 29, 8:50 PM CDT	HAIL 0.5	Shakopee, MN	REPORTED NEAR SHAKOPEE HIGH SCHOOL.
Jun 29, 8:50 PM CDT	HAIL 1	Shakopee, MN	NICKEL TO QUARTER DIAMETER SIZE. REPORTED NEAR 169 AND MARSCHALL RD.
Jun 29, 8:52 PM CDT	HAIL 1	Shakopee, MN	REPORTED NEAR SHAKOPEE HIGH SCHOOL.
Jun 29, 8:56 PM CDT	HAIL 0.88	Shakopee, MN	REPORTED VIA TWITTER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 29, 1:57 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.7 hours before the alert went out and 15 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: 813 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1463 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

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

066 
WUUS53 KMPX 300141
SVRMPX
MNC139-300245-
/O.NEW.KMPX.SV.W.0061.150630T0141Z-150630T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
841 PM CDT MON JUN 29 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 945 PM CDT

* AT 840 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FLYING CLOUD
  AIRPORT...OR 14 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 25
  MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  SHAKOPEE AND SAVAGE AROUND 845 PM CDT.
  PRIOR LAKE AND CARVER AROUND 850 PM CDT.
  JORDAN AROUND 910 PM CDT.
  ELKO NEW MARKET AROUND 925 PM CDT.
  NEW PRAGUE AROUND 930 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CREDIT
RIVER...MARYSTOWN...ST BENEDICT AND HELENA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4469 9366 4471 9362 4474 9363 4479 9359
      4480 9353 4481 9344 4480 9338 4478 9338
      4479 9337 4478 9335 4454 9334 4455 9372
TIME...MOT...LOC 0140Z 001DEG 20KT 4483 9350 

HAIL...1.25IN
WIND...<50MPH
 
$$

BORGHOFF

4 follow-up statements

474 
WWUS53 KMPX 300151
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
851 PM CDT MON JUN 29 2015

MNC139-300245-
/O.CON.KMPX.SV.W.0061.000000T0000Z-150630T0245Z/
SCOTT MN-
851 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SCOTT COUNTY...

AT 851 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SHAKOPEE...OR
17 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 25 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  PRIOR LAKE AND CARVER AROUND 855 PM CDT.
  JORDAN AROUND 915 PM CDT.
  NEW PRAGUE AROUND 935 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
MARYSTOWN...HELENA AND ST BENEDICT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4469 9366 4471 9362 4474 9363 4479 9359
      4480 9353 4481 9344 4480 9338 4478 9338
      4479 9337 4454 9340 4455 9372
TIME...MOT...LOC 0151Z 011DEG 21KT 4479 9352 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

108 
WWUS53 KMPX 300159
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
859 PM CDT MON JUN 29 2015

MNC139-300245-
/O.CON.KMPX.SV.W.0061.000000T0000Z-150630T0245Z/
SCOTT MN-
859 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR EASTERN SCOTT COUNTY...

AT 859 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MARYSTOWN...OR
21 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 30 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  JORDAN AROUND 910 PM CDT.
  NEW PRAGUE AROUND 925 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
MARYSTOWN...HELENA AND ST BENEDICT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4465 9364 4477 9359 4477 9351 4474 9342
      4454 9340 4455 9372
TIME...MOT...LOC 0159Z 002DEG 25KT 4472 9353 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

586 
WWUS53 KMPX 300208
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
908 PM CDT MON JUN 29 2015

MNC139-300245-
/O.CON.KMPX.SV.W.0061.000000T0000Z-150630T0245Z/
SCOTT MN-
908 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHEASTERN SCOTT COUNTY...

AT 908 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MARYSTOWN...OR
22 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 20 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  NEW PRAGUE AROUND 935 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4463 9356 4471 9356 4471 9344 4454 9340
      4455 9357
TIME...MOT...LOC 0208Z 353DEG 18KT 4469 9350 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

732 
WWUS53 KMPX 300219
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
919 PM CDT MON JUN 29 2015

MNC139-300229-
/O.CAN.KMPX.SV.W.0061.000000T0000Z-150630T0245Z/
SCOTT MN-
919 PM CDT MON JUN 29 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCOTT COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHEASTERN MINNESOTA.

LAT...LON 4463 9356 4471 9356 4471 9344 4454 9340
      4455 9357
TIME...MOT...LOC 0217Z 001DEG 20KT 4463 9350 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 7:09 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Ramsey	44 min
Jun 29, 7:16 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	29 min
Jun 29, 7:43 PM CDT	Special Weather Statement	MPX	Goodhue	32 min
Jun 29, 8:05 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin	55 min
Jun 29, 8:29 PM CDT	Special Weather Statement	MPX	Ramsey	31 min
Jun 29, 8:39 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	18 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.