Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 60, NWS Twin Cities, MN

July 7, 20146 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2014, 5:41 PM CDT for 6 counties in Minnesota. It was in force for 49 min. 2 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, 5:41 PM CDT (22:41 UTC)
Expired
Jul 7, 2014, 6:30 PM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Carver County, MN, Le Sueur County, MN, McLeod County, MN, Nicollet County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 35 km from the middle of the area, began a volume at 22:43 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
Jul 7, 5:45 PM CDTTSTM WND DMGGlencoe, MNPOWER OUT IN TOWN
Jul 7, 6:25 PM CDTTSTM WND DMGGreen Isle, MN3 TO 4 INCH BRANCH ACROSS ROAD.

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.

IssuedProductOfficeLasted
Jul 7, 5:12 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 33 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 2014-07-07Temperature 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 2014-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897Sfc1 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
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.

474 
WUUS53 KMPX 072241
SVRMPX
MNC019-079-085-103-139-143-072330-
/O.NEW.KMPX.SV.W.0060.140707T2241Z-140707T2330Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  EASTERN MCLEOD COUNTY IN CENTRAL MINNESOTA...
  NORTHERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
  WESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...

* UNTIL 630 PM CDT

* AT 538 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 14 MILES NORTH OF GLENCOE TO 10 MILES NORTHEAST OF
  GAYLORD TO 6 MILES NORTHEAST OF NEW ULM...AND MOVING EAST AT 40
  MPH.

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

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  ST PETER...SHAKOPEE...WACONIA...MN VALLEY STATE REC AREA...
  VICTORIA...CHASKA...CHANHASSEN...NEW SWEDEN...NEW ROME...NEW
  GERMANY...HOLLYWOOD...HAMBURG...NORWOOD/YOUNG AMERICA...MAYER...
  RUSH RIVER...COLOGNE...LAKE WACONIA...NORSELAND...BELLE PLAINE AND
  HENDERSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4438 9451 4463 9421 4497 9421 4494 9376
      4489 9376 4489 9352 4480 9351 4461 9355
      4429 9381
TIME...MOT...LOC 2241Z 270DEG 34KT 4496 9401 4462 9399
          4439 9436

HAIL...0.88IN
WIND...60MPH

$$

SPD
4 follow-up statements
499 
WWUS53 KMPX 072254
SVSMPX

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

MNC085-072304-
/O.CAN.KMPX.SV.W.0060.000000T0000Z-140707T2330Z/
MCLEOD MN-
554 PM CDT MON JUL 7 2014

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

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4437 9439 4465 9405 4472 9404 4472 9401
      4483 9402 4495 9399 4494 9376 4489 9376
      4489 9353 4480 9351 4461 9355 4429 9381
TIME...MOT...LOC 2254Z 270DEG 34KT 4496 9383 4462 9382
          4439 9419

$$

MNC019-079-103-139-143-072330-
/O.CON.KMPX.SV.W.0060.000000T0000Z-140707T2330Z/
CARVER MN-LE SUEUR MN-NICOLLET MN-SCOTT MN-SIBLEY MN-
554 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
SIBLEY...WESTERN SCOTT...NORTHEASTERN NICOLLET...WESTERN LE SUEUR AND
CARVER COUNTIES UNTIL 630 PM CDT...

AT 553 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES NORTH OF WACONIA TO 7 MILES SOUTHWEST OF MN
VALLEY STATE REC AREA TO 11 MILES SOUTH OF GAYLORD...AND MOVING EAST
AT 40 MPH.

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

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
ST PETER...SHAKOPEE...WACONIA...MN VALLEY STATE REC AREA...
VICTORIA...CHASKA...CHANHASSEN...RUSH RIVER...COLOGNE...LAKE
WACONIA...NORSELAND...BELLE PLAINE...HENDERSON...LE SUEUR...CARVER...
JORDAN...OTTAWA...ST BENEDICT...NWS CHANHASSEN AND MARYSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4437 9439 4465 9405 4472 9404 4472 9401
      4483 9402 4495 9399 4494 9376 4489 9376
      4489 9353 4480 9351 4461 9355 4429 9381
TIME...MOT...LOC 2254Z 270DEG 34KT 4496 9383 4462 9382
          4439 9419

HAIL...0.88IN
WIND...60MPH

$$

SPD
666 
WWUS53 KMPX 072304
SVSMPX

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

MNC019-079-103-139-143-072330-
/O.CON.KMPX.SV.W.0060.000000T0000Z-140707T2330Z/
CARVER MN-LE SUEUR MN-NICOLLET MN-SCOTT MN-SIBLEY MN-
604 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
SIBLEY...WESTERN SCOTT...NORTHEASTERN NICOLLET...WESTERN LE SUEUR AND
SOUTHEASTERN CARVER COUNTIES UNTIL 630 PM CDT...

AT 601 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES WEST OF LAKE MINNETONKA TO MN VALLEY STATE REC
AREA TO 8 MILES NORTHWEST OF ST PETER...AND MOVING EAST AT 40 MPH.

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

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
ST PETER...SHAKOPEE...VICTORIA...CHASKA...CHANHASSEN...LE SUEUR...
CARVER...JORDAN...OTTAWA...ST BENEDICT...NWS CHANHASSEN...
MARYSTOWN...HELENA...ST THOMAS...CLEVELAND AND ST HENRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4436 9426 4457 9398 4470 9387 4480 9386
      4490 9380 4489 9353 4480 9351 4461 9355
      4429 9381
TIME...MOT...LOC 2304Z 270DEG 34KT 4496 9369 4462 9369
          4439 9406

HAIL...0.88IN
WIND...60MPH

$$

SPD
507 
WWUS53 KMPX 072314
SVSMPX

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

MNC103-143-072324-
/O.CAN.KMPX.SV.W.0060.000000T0000Z-140707T2330Z/
NICOLLET MN-SIBLEY MN-
614 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SIBLEY AND
NORTHEASTERN NICOLLET COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4432 9395 4434 9393 4436 9396 4440 9395
      4465 9370 4489 9365 4489 9354 4479 9351
      4461 9355 4429 9381
TIME...MOT...LOC 2314Z 270DEG 34KT 4496 9355 4462 9356
          4439 9393

$$

MNC019-079-139-072330-
/O.CON.KMPX.SV.W.0060.000000T0000Z-140707T2330Z/
CARVER MN-LE SUEUR MN-SCOTT MN-
614 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
SCOTT...WESTERN LE SUEUR AND SOUTHEASTERN CARVER COUNTIES UNTIL 630
PM CDT...

AT 612 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM LAKE MINNETONKA TO 5 MILES NORTH OF NEW PRAGUE TO ST
PETER...AND MOVING EAST AT 40 MPH.

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

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
SHAKOPEE...ST THOMAS...CLEVELAND AND ST HENRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 9395 4434 9393 4436 9396 4440 9395
      4465 9370 4489 9365 4489 9354 4479 9351
      4461 9355 4429 9381
TIME...MOT...LOC 2314Z 270DEG 34KT 4496 9355 4462 9356
          4439 9393

HAIL...0.88IN
WIND...60MPH

$$

SPD
246 
WWUS53 KMPX 072321
SVSMPX

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

MNC019-079-139-072331-
/O.EXP.KMPX.SV.W.0060.000000T0000Z-140707T2330Z/
CARVER MN-LE SUEUR MN-SCOTT MN-
621 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SCOTT...WESTERN LE
SUEUR AND SOUTHEASTERN CARVER COUNTIES WILL EXPIRE AT 630 PM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT IN 
SCOTT AND LE SUEUR COUNTIES.

LAT...LON 4432 9395 4434 9393 4436 9396 4440 9395
      4465 9370 4489 9365 4489 9354 4479 9351
      4461 9355 4429 9381
TIME...MOT...LOC 2321Z 270DEG 34KT 4496 9345 4462 9347
          4439 9384

$$

SPD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:20 PM CDTSpecial Weather StatementMPXAnoka40 min
Jul 7, 1:32 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Washington34 min
Jul 7, 2:02 PM CDTSpecial Weather StatementMPXKanabec28 min
Jul 7, 2:20 PM CDTSpecial Weather StatementMPXRamsey, Washington25 min
Jul 7, 4:22 PM CDTSpecial Weather StatementMPXKandiyohi, Meeker38 min
Jul 7, 4:26 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker49 min
Jul 7, 5:20 PM CDTSpecial Weather StatementMPXMcLeod40 min
Jul 7, 5:38 PM CDTSpecial Weather StatementMPXDakota37 min
Jul 7, 5:50 PM CDTSevere Thunderstorm WarningMPXDakota, Scott, Washington40 min
Jul 7, 6:01 PM CDTSpecial Weather StatementMPXHennepin29 min
Jul 7, 6:13 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Le Sueur, Rice, Scott, Washington47 min
Jul 7, 6:29 PM CDTSpecial Weather StatementMPXBlue Earth31 min
Jul 7, 6:40 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice, Washington49 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014Every 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.