Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 5, NWS Twin Cities, MN

May 3, 20155 counties in Minnesota; Saint Croix County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 3, 2015, 5:08 PM CDT for 5 counties in Minnesota; Saint Croix County, Wisconsin. It was in force for 52 min. 25 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 3, 2015, 5:08 PM CDT (22:08 UTC)
Expired: May 3, 2015, 6:00 PM CDT
In force: 52 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Anoka County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Washington County, MN, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 58 km from the middle of the area, began a volume at 22:07 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 3, 5:08 PM CDT	HAIL 1	1 E Brooklyn Center, MN
May 3, 5:08 PM CDT	HAIL 1	5 W Downtown Minneapoli, MN	GOLDEN VALLEY
May 3, 5:10 PM CDT	HAIL 1	1 Sse Robbinsdale, MN
May 3, 5:11 PM CDT	TSTM WND GST 56	Crystal Airport, MN
May 3, 5:12 PM CDT	HAIL 1	4 Nnw Downtown Minneapo, MN
May 3, 5:14 PM CDT	HAIL 1.25	2 Nnw Downtown Minneapo, MN
May 3, 5:14 PM CDT	HAIL 1.5	4 Nnw Downtown Minneapo, MN
May 3, 5:15 PM CDT	HAIL 1	1 Ne Downtown Minneapol, MN
May 3, 5:18 PM CDT	HAIL 1.25	1 N North Minneapolis, MN
May 3, 5:23 PM CDT	HAIL 0.75	1 Se Robbinsdale, MN
May 3, 5:25 PM CDT	TSTM WND GST 60	3 S Columbia Heights, MN
May 3, 5:25 PM CDT	HAIL 0.88	3 S Columbia Heights, MN
May 3, 5:27 PM CDT	HAIL 1	1 Sw Crystal, MN
May 3, 5:30 PM CDT	HAIL 1	3 Ne Roseville, MN
May 3, 5:32 PM CDT	TSTM WND GST 55	3 Ne Hudson, WI
May 3, 5:33 PM CDT	TSTM WND DMG	Hudson, WI	TWO INCH DIAMETER FLAG POLE SNAPPED OFF TWO FEET ABOVE GROUND.
May 3, 5:35 PM CDT	TSTM WND DMG	4 E Blaine, MN	TREE DOWN IN LINO LAKES...JUST WEST OF MARSHAN LAKE.
May 3, 5:43 PM CDT	TSTM WND DMG	White Bear Lake, MN	PORTION OF LARGE TREE APPROXIMATELY 50 FEET LONG SNAPPED APPROXIMATELY 15 FEET OFF THE GROUND. REPORTED VIA SOCIAL MEDIA. TIME ESTIMATED.
May 3, 5:43 PM CDT	HAIL 1	1 S White Bear Lake, MN
May 3, 5:45 PM CDT	HAIL 1.25	1 Wsw Little Canada, MN	5 INCHES DEEP
May 3, 5:45 PM CDT	HAIL 1.75	2 Sse Stillwater, MN
May 3, 5:51 PM CDT	TSTM WND GST 50	1 S Hudson, WI	I-94 MILE MARKER 4
May 3, 5:53 PM CDT	HAIL 1.25	2 N Hudson, WI
May 3, 5:56 PM CDT	TSTM WND GST 60	Mahtomedi, MN
May 3, 6:08 PM CDT	HAIL 1	1 Nnw Cottage Grove, 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, 10.1 hours before the alert went out and 60 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: 1098 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 71 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.

159 
WUUS53 KMPX 032208
SVRMPX
MNC003-037-053-123-163-WIC109-032300-
/O.NEW.KMPX.SV.W.0005.150503T2208Z-150503T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
508 PM CDT SUN MAY 3 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
  WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHEASTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 600 PM CDT

* AT 507 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR HAM LAKE TO MEDICINE LAKE...MOVING EAST AT 50
  MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  MINNEAPOLIS...ST. PAUL...BLOOMINGTON...BROOKLYN PARK...PLYMOUTH...
  EAGAN...WOODBURY...MAPLE GROVE...COON RAPIDS...EDEN PRAIRIE...
  BURNSVILLE AND BLAINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS ARE PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4523 9275 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9274 4486 9276 4484 9277
      4477 9295 4483 9344 4496 9359 4532 9327
TIME...MOT...LOC 2207Z 292DEG 44KT 4522 9315 4499 9346 

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

JPC

4 follow-up statements

327 
WWUS53 KMPX 032223
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
523 PM CDT SUN MAY 3 2015

MNC003-037-053-123-163-WIC109-032300-
/O.CON.KMPX.SV.W.0005.000000T0000Z-150503T2300Z/
DAKOTA MN-HENNEPIN MN-RAMSEY MN-WASHINGTON MN-ANOKA MN-ST. CROIX WI-
523 PM CDT SUN MAY 3 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHWESTERN DAKOTA...EASTERN HENNEPIN...RAMSEY...WASHINGTON...
SOUTHEASTERN ANOKA AND WESTERN ST. CROIX COUNTIES...

AT 522 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR LINO LAKES TO MINNEAPOLIS...MOVING EAST AT 40
MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BLOOMINGTON...BROOKLYN PARK...EAGAN...
WOODBURY...COON RAPIDS...EDEN PRAIRIE...BURNSVILLE...BLAINE...
MINNETONKA AND EDINA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4523 9275 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9274 4486 9276 4484 9277
      4477 9295 4483 9344 4532 9327
TIME...MOT...LOC 2222Z 286DEG 36KT 4519 9308 4496 9329 

HAIL...1.25IN
WIND...60MPH
 
$$

JPC

019 
WWUS53 KMPX 032237
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
537 PM CDT SUN MAY 3 2015

MNC053-032246-
/O.CAN.KMPX.SV.W.0005.000000T0000Z-150503T2300Z/
HENNEPIN MN-
537 PM CDT SUN MAY 3 2015

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HENNEPIN COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. THEREFORE THE WARNING FOR EASTERN HENNEPIN COUNTY HAS BEEN 
CANCELLED.

LAT...LON 4523 9276 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9277 4484 9277 4477 9295
      4492 9320 4499 9321 4527 9305
TIME...MOT...LOC 2236Z 280DEG 38KT 4518 9298 4503 9299 4495 9314 

$$

MNC003-037-123-163-WIC109-032300-
/O.CON.KMPX.SV.W.0005.000000T0000Z-150503T2300Z/
DAKOTA MN-RAMSEY MN-WASHINGTON MN-ANOKA MN-ST. CROIX WI-
537 PM CDT SUN MAY 3 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTH CENTRAL DAKOTA...RAMSEY...WASHINGTON...EAST CENTRAL ANOKA
AND WESTERN ST. CROIX COUNTIES...

AT 536 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM HUGO TO NORTH ST. PAUL TO ST. PAUL...MOVING EAST AT 45
MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ST. PAUL...WOODBURY...MAPLEWOOD...COTTAGE GROVE...INVER GROVE
HEIGHTS...ROSEVILLE...OAKDALE...SHOREVIEW...WHITE BEAR LAKE...LINO
LAKES...SOUTH ST. PAUL AND WEST ST. PAUL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4523 9276 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9277 4484 9277 4477 9295
      4492 9320 4499 9321 4527 9305
TIME...MOT...LOC 2236Z 280DEG 38KT 4518 9298 4503 9299 4495 9314 

HAIL...1.25IN
WIND...60MPH
 
$$

JPC

880 
WWUS53 KMPX 032251
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
551 PM CDT SUN MAY 3 2015

MNC003-037-123-032300-
/O.CAN.KMPX.SV.W.0005.000000T0000Z-150503T2300Z/
DAKOTA MN-RAMSEY MN-ANOKA MN-
551 PM CDT SUN MAY 3 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DAKOTA...RAMSEY
AND EAST CENTRAL ANOKA COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. THEREFORE THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL 
DAKOTA...RAMSEY AND EAST CENTRAL ANOKA COUNTIES HAS BEEN CANCELLED.

LAT...LON 4523 9276 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9277 4484 9277 4477 9295
      4494 9299 4523 9292
TIME...MOT...LOC 2250Z 292DEG 44KT 4513 9280 4498 9281 4490 9296 

$$

MNC163-WIC109-032300-
/O.CON.KMPX.SV.W.0005.000000T0000Z-150503T2300Z/
WASHINGTON MN-ST. CROIX WI-
551 PM CDT SUN MAY 3 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR WASHINGTON AND WESTERN ST. CROIX COUNTIES...

AT 550 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MARINE ON ST CROIX TO NEAR LAKE ELMO AIRPORT TO
NEAR WOODBURY...MOVING EAST AT 50 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. 

LOCATIONS IMPACTED INCLUDE...
WOODBURY...MAPLEWOOD...COTTAGE GROVE...OAKDALE...STILLWATER...HUGO...
HUDSON...NEW RICHMOND...LAKE ELMO...MAHTOMEDI...NORTH HUDSON AND
BAYPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4523 9276 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9277 4484 9277 4477 9295
      4494 9299 4523 9292
TIME...MOT...LOC 2250Z 292DEG 44KT 4513 9280 4498 9281 4490 9296 

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

JPC

070 
WWUS53 KMPX 032303
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
603 PM CDT SUN MAY 3 2015

MNC163-WIC109-032312-
/O.EXP.KMPX.SV.W.0005.000000T0000Z-150503T2300Z/
WASHINGTON MN-ST. CROIX WI-
603 PM CDT SUN MAY 3 2015

...THE SEVERE THUNDERSTORM WARNING FOR WASHINGTON AND WESTERN ST.
CROIX COUNTIES HAS EXPIRED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

REMEMBER...AN ADDITIONAL SEVERE THUNDERSTORM WARNING REMAINS IN 
EFFECT FOR MUCH OF ST. CROIX COUNTY UNTIL 700 PM CDT.

LAT...LON 4523 9276 4521 9275 4521 9268 4518 9250
      4495 9251 4486 9277 4484 9277 4477 9295
      4494 9299 4523 9292
TIME...MOT...LOC 2259Z 292DEG 44KT 4513 9280 4498 9281 4490 9296 

$$

JPC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 9:32 AM CDT	Special Weather Statement	MPX	Pope	28 min
May 3, 9:59 AM CDT	Special Weather Statement	MPX	Pope	31 min
May 3, 4:03 PM CDT	Special Weather Statement	MPX	Carver	27 min
May 3, 4:15 PM CDT	Special Weather Statement	MPX	Blue Earth, Le Sueur, Scott	45 min
May 3, 4:20 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Dakota, Hennepin, Ramsey, Scott	55 min
May 3, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Rice, Scott	44 min
May 3, 4:48 PM CDT	Special Weather Statement	MPX	Anoka	27 min
May 3, 5:21 PM CDT	Special Weather Statement	MPX	Dakota, Rice, Steele, Waseca	54 min
May 3, 6:19 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	71 min
May 3, 6:26 PM CDT	Special Weather Statement	MPX	Goodhue, Steele	34 min
May 3, 6:48 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele	27 min
May 3, 5:34 PM CDT	Severe Thunderstorm Warning	MPX	Pierce	26 min
May 3, 5:58 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pierce, Saint Croix	62 min
May 3, 6:53 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire, Pepin	67 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Severe Thunderstorm Warnings in Wisconsin, 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.