Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 62, NWS Twin Cities, MN

July 7, 20146 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2014, 6:13 PM CDT for 6 counties in Minnesota. It was in force for 47 min. 8 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, 6:13 PM CDT (23:13 UTC)
Expired
Jul 7, 2014, 7:00 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Dakota County, MN, Hennepin County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 28 km from the middle of the area, began a volume at 23:15 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, 6:13 PM CDTTSTM WND DMG1 W Burnsville, MN6 INCH TREE DOWN BLOCKING ROAD
Jul 7, 6:13 PM CDTTSTM WND GST 512 S Eden Prairie, MNASOS STATION EDEN PRAIRIE AP /FCM/
Jul 7, 6:14 PM CDTTSTM WND GST 521 W New Prague, MNMEASURED FROM CAR ANEMOMETER.
Jul 7, 6:15 PM CDTTSTM WND DMG1 Ne Savage, MNLARGE TREE DOWN ON LYNN AVE AND 126TH STREET ON THE NORTHEAST SIDE OF SAVAGE.
Jul 7, 6:15 PM CDTTSTM WND GST 56Savage, MNMEASURED FROM CAR ANEMOMETER
Jul 7, 6:27 PM CDTTSTM WND GST 502 Sw Burnsville, MN
Jul 7, 6:41 PM CDTTSTM WND GST 492 Se Cottage Grove, MNMESONET STATION COTTAGE GROVE 1 ESE /AU649/
Jul 7, 7:08 PM CDTTSTM WND DMG2 Ssw Apple Valley, MNLARGE TREE LIMBS DOWN 6 INCHES BROKEN AT THE BASE FROM CENTER OF TREE.

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, 11.2 hours before the alert went out and 30 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.

723 
WUUS53 KMPX 072313
SVRMPX
MNC037-053-079-131-139-163-080000-
/O.NEW.KMPX.SV.W.0062.140707T2313Z-140708T0000Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHEASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 700 PM CDT

* AT 612 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM EDINA TO 6 MILES WEST OF BURNSVILLE TO LE CENTER...
  AND MOVING EAST AT 55 MPH.

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

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  MSP INTL AIRPORT...BURNSVILLE...FARIBAULT...RICHFIELD...MALL OF
  AMERICA...FORT SNELLING...EAGAN...LAKEVILLE...NORTHFIELD...CREDIT
  RIVER...VESELI...KILKENNY...LONSDALE...APPLE VALLEY...MENDOTA
  HEIGHTS...SOUTH ST PAUL AIRPORT...WEBSTER...ELKO NEW MARKET...
  SUNFISH LAKE AND LAKEVILLE AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4430 9381 4476 9353 4489 9352 4490 9319
      4489 9317 4490 9315 4489 9299 4490 9298
      4491 9283 4462 9296 4430 9325
TIME...MOT...LOC 2313Z 270DEG 47KT 4490 9332 4476 9338
          4434 9368

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

$$

SPD
3 follow-up statements
435 
WWUS53 KMPX 072332
SVSMPX

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

MNC037-053-079-131-139-163-080000-
/O.CON.KMPX.SV.W.0062.000000T0000Z-140708T0000Z/
DAKOTA MN-HENNEPIN MN-LE SUEUR MN-RICE MN-SCOTT MN-WASHINGTON MN-
632 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
WASHINGTON...SOUTHEASTERN SCOTT...NORTHERN RICE...EAST CENTRAL LE
SUEUR...SOUTHEASTERN HENNEPIN AND DAKOTA COUNTIES UNTIL 700 PM CDT...

AT 631 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ST PAUL AIRPORT TO 7 MILES SOUTHEAST OF EAGAN TO
FARIBAULT...AND MOVING EAST AT 55 MPH.

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

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
NORTHFIELD...BRIDGEWATER...DUNDAS...COTTAGE GROVE...RANDOLPH...
VERMILLION AND HAMPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4430 9371 4463 9341 4486 9326 4490 9315
      4489 9299 4490 9298 4491 9283 4462 9296
      4430 9325
TIME...MOT...LOC 2333Z 270DEG 47KT 4490 9295 4476 9301
          4434 9332

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

$$
630 
WWUS53 KMPX 072343
SVSMPX

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

MNC053-079-139-072353-
/O.CAN.KMPX.SV.W.0062.000000T0000Z-140708T0000Z/
HENNEPIN MN-LE SUEUR MN-SCOTT MN-
643 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCOTT...EAST
CENTRAL LE SUEUR AND SOUTHEASTERN HENNEPIN COUNTIES IS CANCELLED...

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

LAT...LON 4432 9353 4455 9334 4455 9328 4462 9328
      4490 9304 4491 9283 4462 9296 4430 9325
      4430 9352
TIME...MOT...LOC 2343Z 270DEG 47KT 4490 9276 4476 9283
          4434 9314

$$

MNC037-131-163-080000-
/O.CON.KMPX.SV.W.0062.000000T0000Z-140708T0000Z/
DAKOTA MN-RICE MN-WASHINGTON MN-
643 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
WASHINGTON...NORTHERN RICE AND DAKOTA COUNTIES UNTIL 700 PM CDT...

AT 641 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM AFTON STATE PARK TO 7 MILES SOUTHWEST OF KINNICKINNIC
STATE PARK TO 6 MILES NORTHEAST OF FARIBAULT...AND MOVING EAST AT 55
MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 9353 4455 9334 4455 9328 4462 9328
      4490 9304 4491 9283 4462 9296 4430 9325
      4430 9352
TIME...MOT...LOC 2343Z 270DEG 47KT 4490 9276 4476 9283
          4434 9314

HAIL...<.75IN
WIND...60MPH

$$
787 
WWUS53 KMPX 072353
SVSMPX

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

MNC037-131-163-080002-
/O.EXP.KMPX.SV.W.0062.000000T0000Z-140708T0000Z/
DAKOTA MN-RICE MN-WASHINGTON MN-
653 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WASHINGTON...
NORTHERN RICE AND DAKOTA COUNTIES WILL EXPIRE AT 700 PM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA. ANOTHER SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
IN PARTS OF WASHINGTON...RICE...AND DAKOTA COUNTIES.

LAT...LON 4432 9353 4455 9334 4455 9328 4462 9328
      4490 9304 4491 9283 4462 9296 4430 9325
      4430 9352
TIME...MOT...LOC 2352Z 270DEG 47KT 4490 9259 4476 9266
          4434 9298

$$

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, 5:41 PM CDTSevere Thunderstorm WarningMPXCarver, Le Sueur, McLeod, Nicollet, Scott, Sibley49 min
Jul 7, 5:50 PM CDTSevere Thunderstorm WarningMPXDakota, Scott, Washington40 min
Jul 7, 6:01 PM CDTSpecial Weather StatementMPXHennepin29 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.