Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 41, NWS Twin Cities, MN

June 22, 2015Dakota County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 22, 2015, 6:23 AM CDT for Dakota County, Scott County, Minnesota. It was in force for 22 min. 3 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 22, 2015, 6:23 AM CDT (11:23 UTC)
Expired: Jun 22, 2015, 6:45 AM CDT
In force: 22 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Dakota County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 37 km from the middle of the area, began a volume at 11:25 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 22, 6:26 AM CDT	HAIL 0.88	Lakeville, MN	REPORTED VIA TWITTER.
Jun 22, 6:45 AM CDT	HAIL 1	Rosemount, MN
Jun 22, 6:45 AM CDT	HAIL 1.25	3 Ese Apple Valley, MN	OCCURRED ON 159TH ST.

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 22, 2:25 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.4 hours before the alert went out and 40 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: 10 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2425 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

076 
WUUS53 KMPX 221123
SVRMPX
MNC037-139-221200-
/O.NEW.KMPX.SV.W.0041.150622T1123Z-150622T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
623 AM CDT MON JUN 22 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 700 AM CDT

* AT 622 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LAKEVILLE
  AIRPORT...OR 12 MILES NORTH OF NORTHFIELD...MOVING NORTHEAST AT 40
  MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  APPLE VALLEY AROUND 635 AM CDT.
  ROSEMOUNT AROUND 640 AM CDT.
  BLOOMINGTON AROUND 645 AM CDT.
  EAGAN AND INVER GROVE HEIGHTS AROUND 650 AM CDT.
  COTTAGE GROVE...SOUTH ST. PAUL...WEST ST. PAUL AND MENDOTA HEIGHTS
  AROUND 655 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
LILYDALE...SUNFISH LAKE...LAKEVILLE AIRPORT...SOUTH ST PAUL
AIRPORT...SOUTH ST PAUL...COATES...FORT SNELLING STATE PARK...
SUNFISH...MENDOTA AND CASTLE ROCK.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 76 AND 88.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4461 9341 4489 9317 4492 9313 4492 9305
      4487 9301 4478 9302 4477 9295 4478 9293
      4477 9287 4450 9321
TIME...MOT...LOC 1122Z 216DEG 35KT 4462 9325 

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

JRB

2 follow-up statements

895 
WWUS53 KMPX 221135
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
635 AM CDT MON JUN 22 2015

MNC139-221144-
/O.CAN.KMPX.SV.W.0041.000000T0000Z-150622T1200Z/
SCOTT MN-
635 AM CDT MON JUN 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SCOTT COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF 
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
EAST CENTRAL MINNESOTA.

LAT...LON 4461 9328 4470 9330 4489 9317 4492 9313
      4492 9305 4487 9301 4478 9302 4477 9297
      4478 9293 4477 9287 4457 9318
TIME...MOT...LOC 1134Z 215DEG 34KT 4470 9317 

$$

MNC037-221200-
/O.CON.KMPX.SV.W.0041.000000T0000Z-150622T1200Z/
DAKOTA MN-
635 AM CDT MON JUN 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM CDT
FOR WESTERN DAKOTA COUNTY...

AT 634 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FARMINGTON...
OR 16 MILES SOUTH OF ST. PAUL...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 STORM WILL BE NEAR...
  ROSEMOUNT AROUND 640 AM CDT.
  EAGAN AROUND 650 AM CDT.
  COTTAGE GROVE...INVER GROVE HEIGHTS AND MENDOTA HEIGHTS AROUND 655
AM CDT.
  ST. PAUL...SOUTH ST. PAUL AND WEST ST. PAUL AROUND 700 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
LILYDALE...SUNFISH LAKE...LAKEVILLE AIRPORT...SOUTH ST PAUL
AIRPORT...SOUTH ST PAUL...COATES...SUNFISH...MENDOTA...FORT SNELLING
STATE PARK AND NEWPORT.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 84 AND 87.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4461 9328 4470 9330 4489 9317 4492 9313
      4492 9305 4487 9301 4478 9302 4477 9297
      4478 9293 4477 9287 4457 9318
TIME...MOT...LOC 1134Z 215DEG 34KT 4470 9317 

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

JRB

305 
WWUS53 KMPX 221145
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
645 AM CDT MON JUN 22 2015

MNC037-221155-
/O.CAN.KMPX.SV.W.0041.000000T0000Z-150622T1200Z/
DAKOTA MN-
645 AM CDT MON JUN 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN DAKOTA 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 AM CDT FOR
EAST CENTRAL MINNESOTA.

LAT...LON 4461 9328 4470 9330 4489 9317 4492 9313
      4492 9305 4487 9301 4478 9302 4477 9297
      4478 9293 4477 9287 4457 9318
TIME...MOT...LOC 1143Z 216DEG 35KT 4479 9308 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 3:38 AM CDT	Special Weather Statement	MPX	Kanabec	22 min
Jun 22, 3:51 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec	24 min
Jun 22, 4:21 AM CDT	Special Weather Statement	MPX	Redwood	39 min
Jun 22, 4:24 AM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Faribault, Freeborn, Waseca, Watonwan	36 min
Jun 22, 4:56 AM CDT	Special Weather Statement	MPX	Yellow Medicine	34 min
Jun 22, 5:10 AM CDT	Special Weather Statement	MPX	Freeborn, Steele, Waseca	50 min
Jun 22, 5:19 AM CDT	Severe Thunderstorm Warning	MPX	Waseca	26 min
Jun 22, 5:23 AM CDT	Special Weather Statement	MPX	Redwood	112 min
Jun 22, 5:23 AM CDT	Severe Thunderstorm Warning	MPX	Martin, Watonwan	52 min
Jun 22, 5:34 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Redwood	41 min
Jun 22, 5:40 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele, Waseca	50 min
Jun 22, 6:00 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Faribault, Freeborn, Le Sueur, Martin and 4 more	45 min
Jun 22, 6:20 AM CDT	Special Weather Statement	MPX	Dakota	25 min
Jun 22, 6:22 AM CDT	High Wind Warning	MPX	Blue Earth, Brown, Faribault, Freeborn, Le Sueur, Martin and 6 more	5 hr
Jun 22, 6:31 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Le Sueur, Rice, Steele, Waseca	59 min
Jun 22, 7:13 AM CDT	Special Weather Statement	MPX	Le Sueur	47 min
Jun 22, 7:16 AM CDT	Wind Advisory	MPX	Anoka, Carver, Chippewa, Dakota, Goodhue, Hennepin and 14 more	4 hr
Jun 22, 7:22 AM CDT	Special Weather Statement	MPX	Freeborn, Steele, Waseca	23 min
Jun 22, 8:12 AM CDT	Special Weather Statement	MPX	Chisago	33 min
Jun 22, 8:29 AM CDT	Special Weather Statement	MPX	Ramsey	31 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.