Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 61, NWS Twin Cities, MN

July 7, 2014Dakota County, Scott County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2014, 5:50 PM CDT for Dakota County, Scott County, Washington County, Minnesota. It was in force for 40 min. 11 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: Jul 7, 2014, 5:50 PM CDT (22:50 UTC)
Expired: Jul 7, 2014, 6:30 PM CDT
In force: 40 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dakota County, MN, Scott County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 22:53 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
Jul 7, 5:50 PM CDT	HAIL 1.75	Savage, MN	ESTIMATED FROM PHOTO POSTED ON SOCIAL MEDIA
Jul 7, 5:56 PM CDT	HAIL 1	Burnsville, MN
Jul 7, 6:00 PM CDT	TSTM WND DMG	Burnsville, MN	MULTIPLE LIMBS UP TO 8 IN ALONG COUNTY ROAD 11 BETWEEN ECHO PARK LANE AND COUNTY ROAD 38...EXTENDS TO 140TH STREET AT ECHO PARK
Jul 7, 6:00 PM CDT	HAIL 1.5	2 Nnw Burnsville, MN
Jul 7, 6:00 PM CDT	HAIL 1.75	Burnsville, MN
Jul 7, 6:01 PM CDT	HAIL 1	2 Se Burnsville, MN
Jul 7, 6:07 PM CDT	HAIL 1	1 Wsw Apple Valley, MN	5 MINUTES OF HAIL MIXED WITH HEAVY WIND DRIVEN RAIN.
Jul 7, 6:13 PM CDT	TSTM WND DMG	1 W Burnsville, MN	6 INCH TREE DOWN BLOCKING ROAD
Jul 7, 6:15 PM CDT	TSTM WND DMG	1 Ne Savage, MN	LARGE TREE DOWN ON LYNN AVE AND 126TH STREET ON THE NORTHEAST SIDE OF SAVAGE.
Jul 7, 6:15 PM CDT	TSTM WND GST 56	Savage, MN	MEASURED FROM CAR ANEMOMETER
Jul 7, 6:27 PM CDT	TSTM WND GST 50	2 Sw Burnsville, MN

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
Jul 7, 5:12 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.8 hours before the alert went out and 42 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: 1744 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 87 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.

649 
WUUS53 KMPX 072250
SVRMPX
MNC037-139-163-072330-
/O.NEW.KMPX.SV.W.0061.140707T2250Z-140707T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
550 PM CDT MON JUL 7 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHEASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 630 PM CDT

* AT 548 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  BURNSVILLE...AND MOVING EAST AT 50 MPH.

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

  SOURCE...RADAR INDICATED. 1 INCH HAIL WAS REPORTED NEAR SHAKOPEE.

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

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EAGAN AROUND 555 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE SOUTH ST PAUL AIRPORT...INVER
GROVE HEIGHTS...ROSEMOUNT...COATES...ST PAUL PARK...GREY CLOUD
TOWNSHIP...VERMILLION...COTTAGE GROVE...HASTINGS AND POINT DOUGLAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4473 9343 4480 9341 4479 9338 4481 9326
      4486 9319 4486 9277 4484 9276 4475 9280
      4472 9273 4465 9274
TIME...MOT...LOC 2250Z 275DEG 42KT 4478 9328

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

$$

SPD

3 follow-up statements

904 
WWUS53 KMPX 072309
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
609 PM CDT MON JUL 7 2014

MNC139-072318-
/O.CAN.KMPX.SV.W.0061.000000T0000Z-140707T2330Z/
SCOTT MN-
609 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SCOTT COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4471 9327 4483 9318 4486 9277 4484 9276
      4479 9278 4477 9280 4475 9280 4472 9273
      4465 9274
TIME...MOT...LOC 2308Z 275DEG 42KT 4476 9298

$$

MNC037-163-072330-
/O.CON.KMPX.SV.W.0061.000000T0000Z-140707T2330Z/
DAKOTA MN-WASHINGTON MN-
609 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
WASHINGTON AND NORTHERN DAKOTA COUNTIES UNTIL 630 PM CDT...

AT 606 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST
OF EAGAN...AND MOVING EAST AT 50 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED. UP TO GOLF BALL SIZED HAIL HAS BEEN        
         REPORTED.

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.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
DAKOTA AND SOUTHERN WASHINGTON COUNTIES...INCLUDING THE FOLLOWING
LOCATIONS...HASTINGS AND POINT DOUGLAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4471 9327 4483 9318 4486 9277 4484 9276
      4479 9278 4477 9280 4475 9280 4472 9273
      4465 9274
TIME...MOT...LOC 2308Z 275DEG 42KT 4476 9298

HAIL...1.50IN
WIND...60MPH

$$

SPD

897 
WWUS53 KMPX 072319
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
619 PM CDT MON JUL 7 2014

MNC037-163-072330-
/O.CON.KMPX.SV.W.0061.000000T0000Z-140707T2330Z/
DAKOTA MN-WASHINGTON MN-
619 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
WASHINGTON AND CENTRAL DAKOTA COUNTIES UNTIL 630 PM CDT...

AT 617 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
OF KINNICKINNIC STATE PARK...AND MOVING EAST AT 50 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED. UP TO GOLF BALL SIZE HAIL HAS BEEN         
         REPORTED WITH THIS STORM.

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.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN DAKOTA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4470 9315 4481 9308 4482 9278 4475 9280
      4474 9278 4472 9274 4471 9273 4465 9274
TIME...MOT...LOC 2319Z 275DEG 42KT 4475 9280

HAIL...1.50IN
WIND...60MPH

$$

SPD

987 
WWUS53 KMPX 072331
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
631 PM CDT MON JUL 7 2014

MNC037-163-072341-
/O.EXP.KMPX.SV.W.0061.000000T0000Z-140707T2330Z/
DAKOTA MN-WASHINGTON MN-
631 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WASHINGTON AND
CENTRAL DAKOTA COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. ANOTHER SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
PARTS OF DAKOTA AND WASHINGTON COUNTIES.

LAT...LON 4470 9315 4481 9308 4482 9278 4475 9280
      4474 9278 4472 9274 4471 9273 4465 9274
TIME...MOT...LOC 2319Z 275DEG 42KT 4475 9280

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 1:20 PM CDT	Special Weather Statement	MPX	Anoka	40 min
Jul 7, 1:32 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Washington	34 min
Jul 7, 2:02 PM CDT	Special Weather Statement	MPX	Kanabec	28 min
Jul 7, 2:20 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	25 min
Jul 7, 4:22 PM CDT	Special Weather Statement	MPX	Kandiyohi, Meeker	38 min
Jul 7, 4:26 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	49 min
Jul 7, 5:20 PM CDT	Special Weather Statement	MPX	McLeod	40 min
Jul 7, 5:38 PM CDT	Special Weather Statement	MPX	Dakota	37 min
Jul 7, 5:41 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Le Sueur, McLeod, Nicollet, Scott, Sibley	49 min
Jul 7, 6:01 PM CDT	Special Weather Statement	MPX	Hennepin	29 min
Jul 7, 6:13 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Le Sueur, Rice, Scott, Washington	47 min
Jul 7, 6:29 PM CDT	Special Weather Statement	MPX	Blue Earth	31 min
Jul 7, 6:40 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice, Washington	49 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014 Every severe thunderstorm warning in 2014

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.