Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 3, NWS Twin Cities, MN

May 3, 20155 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 3, 2015, 4:20 PM CDT for 5 counties in Minnesota. It was in force for 55 min. 7 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, 4:20 PM CDT (21:20 UTC)
Expired
May 3, 2015, 5:15 PM CDT
In force
55 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 17 km from the middle of the area, began a volume at 21:19 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

TimeReportWhereRemark
May 3, 4:25 PM CDTHAIL 1.5Chaska, MN
May 3, 4:30 PM CDTHAIL 0.54 E Eden Prairie, MN
May 3, 4:39 PM CDTHAIL 0.51 W Bloomington, MN
May 3, 4:43 PM CDTHAIL 0.5Prior Lake, MN
May 3, 4:44 PM CDTHAIL 0.54 W Bloomington, MN
May 3, 4:53 PM CDTHAIL 0.88Savage, MN
May 3, 5:15 PM CDTHAIL 11 Ne Downtown Minneapol, 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, 9.3 hours before the alert went out and 16 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2015-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2015-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

547 
WUUS53 KMPX 032120
SVRMPX
MNC019-037-053-123-139-032215-
/O.NEW.KMPX.SV.W.0003.150503T2120Z-150503T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 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...
  SOUTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 515 PM CDT

* AT 419 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM EDEN PRAIRIE TO NEAR COLOGNE...MOVING EAST AT 25
  MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  MINNEAPOLIS...ST. PAUL...BLOOMINGTON...EAGAN...EDEN PRAIRIE...
  BURNSVILLE...LAKEVILLE...MINNETONKA...APPLE VALLEY...EDINA...ST.
  LOUIS PARK AND MAPLEWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4462 9384 4464 9377 4468 9377 4468 9389
      4472 9390 4472 9398 4473 9401 4493 9370
      4503 9300 4470 9302 4467 9332 4457 9377
TIME...MOT...LOC 2119Z 272DEG 21KT 4487 9348 4476 9383 

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

JPC
3 follow-up statements
402 
WWUS53 KMPX 032139
SVSMPX

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

MNC019-037-053-123-139-032215-
/O.CON.KMPX.SV.W.0003.000000T0000Z-150503T2215Z/
DAKOTA MN-HENNEPIN MN-RAMSEY MN-SCOTT MN-CARVER MN-
439 PM CDT SUN MAY 3 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN DAKOTA...SOUTHERN HENNEPIN...SOUTHERN RAMSEY...SCOTT
AND SOUTHEASTERN CARVER COUNTIES...

AT 437 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM EDINA TO NEAR CARVER...MOVING EAST AT 25 MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. HAIL UP TO ONE AND ONE HALF INCH IN 
DIAMETER WAS REPORTED AT THE NATIONAL WEATHER SERVICE TWIN CITIES 
OFFICE. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BLOOMINGTON...EAGAN...EDEN PRAIRIE...
BURNSVILLE...LAKEVILLE...MINNETONKA...APPLE VALLEY...EDINA...ST.
LOUIS PARK AND MAPLEWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4462 9384 4464 9377 4468 9377 4490 9365
      4503 9300 4470 9302 4467 9332 4457 9377
TIME...MOT...LOC 2137Z 272DEG 21KT 4487 9334 4476 9369 

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

JPC
843 
WWUS53 KMPX 032150
SVSMPX

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

MNC019-032159-
/O.CAN.KMPX.SV.W.0003.000000T0000Z-150503T2215Z/
CARVER MN-
450 PM CDT SUN MAY 3 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARVER COUNTY IS
CANCELLED...

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

LAT...LON 4462 9384 4465 9373 4471 9362 4476 9362
      4480 9357 4481 9352 4489 9352 4490 9354
      4492 9352 4503 9300 4470 9302 4467 9332
      4457 9377
TIME...MOT...LOC 2149Z 272DEG 21KT 4487 9326 4476 9361 

$$

MNC037-053-123-139-032215-
/O.CON.KMPX.SV.W.0003.000000T0000Z-150503T2215Z/
DAKOTA MN-HENNEPIN MN-RAMSEY MN-SCOTT MN-
450 PM CDT SUN MAY 3 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN DAKOTA...SOUTHEASTERN HENNEPIN...SOUTHERN RAMSEY AND
SCOTT COUNTIES...

AT 449 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM RICHFIELD TO CARVER...MOVING EAST AT 25 MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. HAIL UP TO ONE AND ONE HALF INCH IN        
         DIAMETER HAS BEEN REPORTED IN MULTIPLE LOCATIONS INCLUDING 
         THE NATIONAL WEATHER SERVICE TWIN CITIES OFFICE.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BLOOMINGTON...EAGAN...EDEN PRAIRIE...
BURNSVILLE...LAKEVILLE...MINNETONKA...APPLE VALLEY...EDINA...ST.
LOUIS PARK AND MAPLEWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4462 9384 4465 9373 4471 9362 4476 9362
      4480 9357 4481 9352 4489 9352 4490 9354
      4492 9352 4503 9300 4470 9302 4467 9332
      4457 9377
TIME...MOT...LOC 2149Z 272DEG 21KT 4487 9326 4476 9361 

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

JPC
061 
WWUS53 KMPX 032204
SVSMPX

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

MNC053-123-032213-
/O.CAN.KMPX.SV.W.0003.000000T0000Z-150503T2215Z/
HENNEPIN MN-RAMSEY MN-
504 PM CDT SUN MAY 3 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HENNEPIN AND
SOUTHERN RAMSEY COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. THEREFORE THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN 
HENNEPIN AND SOUTHERN RAMSEY COUNTIES HAS BEEN CANCELLED.

LAT...LON 4457 9377 4471 9362 4480 9342 4480 9340
      4478 9338 4481 9325 4485 9321 4489 9303
      4470 9302 4467 9332
TIME...MOT...LOC 2203Z 285DEG 23KT 4480 9320 4464 9345 

$$

MNC037-139-032215-
/O.CON.KMPX.SV.W.0003.000000T0000Z-150503T2215Z/
DAKOTA MN-SCOTT MN-
504 PM CDT SUN MAY 3 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN DAKOTA AND EASTERN SCOTT COUNTIES...

AT 503 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR EAGAN TO NEAR CREDIT RIVER...MOVING EAST AT 25
MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
BLOOMINGTON...EAGAN...BURNSVILLE...LAKEVILLE...APPLE VALLEY...
SHAKOPEE...INVER GROVE HEIGHTS...SAVAGE...PRIOR LAKE...ROSEMOUNT...
FARMINGTON AND SOUTH ST. PAUL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4457 9377 4471 9362 4480 9342 4480 9340
      4478 9338 4481 9325 4485 9321 4489 9303
      4470 9302 4467 9332
TIME...MOT...LOC 2203Z 285DEG 23KT 4480 9320 4464 9345 

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

JPC

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 9:32 AM CDTSpecial Weather StatementMPXPope28 min
May 3, 9:59 AM CDTSpecial Weather StatementMPXPope31 min
May 3, 4:03 PM CDTSpecial Weather StatementMPXCarver27 min
May 3, 4:15 PM CDTSpecial Weather StatementMPXBlue Earth, Le Sueur, Scott45 min
May 3, 4:31 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet, Rice, Scott44 min
May 3, 4:48 PM CDTSpecial Weather StatementMPXAnoka27 min
May 3, 5:08 PM CDTSevere Thunderstorm WarningMPXAnoka, Dakota, Hennepin, Ramsey, Washington52 min
May 3, 5:21 PM CDTSpecial Weather StatementMPXDakota, Rice, Steele, Waseca54 min
May 3, 6:19 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn71 min
May 3, 6:26 PM CDTSpecial Weather StatementMPXGoodhue, Steele34 min
May 3, 6:48 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele27 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every 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.