Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 64, NWS Twin Cities, MN

July 7, 2014Pepin County, Pierce County, Wisconsin; 4 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2014, 6:40 PM CDT for Pepin County, Pierce County, Wisconsin; 4 counties in Minnesota. It was in force for 49 min. 3 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, 6:40 PM CDT (23:40 UTC)
Expired: Jul 7, 2014, 7:29 PM CDT
In force: 49 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dakota County, MN, Goodhue County, MN, Rice County, MN, Washington County, MN, Pepin County, WI, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 84 km from the middle of the area, began a volume at 23:41 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, 6:41 PM CDT	TSTM WND GST 49	2 Se Cottage Grove, MN	MESONET STATION COTTAGE GROVE 1 ESE /AU649/
Jul 7, 6:51 PM CDT	TSTM WND DMG	5 N Dennison, MN	AWOS STATION STANTON AP /SYN/
Jul 7, 6:52 PM CDT	TSTM WND DMG	1 Nne Hastings, MN	SMALL TREE LIMBS DOWN AND FIRE DEPT AND RESPONDING TO A TRANSFORMER FIRE.

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, 11.7 hours before the alert went out and 87 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.

231 
WUUS53 KMPX 072340
SVRMPX
MNC037-049-131-163-WIC091-093-080045-
/O.NEW.KMPX.SV.W.0064.140707T2340Z-140708T0045Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  EAST CENTRAL RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHWESTERN PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 745 PM CDT

* AT 638 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM AFTON STATE PARK TO 7 MILES NORTH OF CANNON FALLS TO
  FARIBAULT...AND MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED. TREE DAMAGE HAS BEEN REPORTED WITH THIS  
  STORM. 

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

* LOCATIONS IMPACTED INCLUDE...
  RIVER FALLS...RED WING...ELLSWORTH...KINNICKINNIC STATE PARK...
  CANNON FALLS...FRONTENAC STATE PARK...LAKE BYLLESBY...POINT
  DOUGLAS...PRESCOTT...DENNISON...NERSTRAND...MIESVILLE...KENYON...
  WASTEDO...DIAMOND BLUFF...WELCH...BOMBAY...HADER...BELDENVILLE AND
  HAGER CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4429 9328 4462 9298 4487 9287 4485 9217
      4455 9217 4444 9227 4445 9242 4436 9244
      4436 9254 4424 9254
TIME...MOT...LOC 2340Z 270DEG 32KT 4490 9277 4462 9289
          4429 9318

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

$$

SPD

4 follow-up statements

668 
WWUS53 KMPX 072347
SVSMPX

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

MNC037-049-131-163-WIC091-093-080045-
/O.CON.KMPX.SV.W.0064.000000T0000Z-140708T0045Z/
DAKOTA MN-GOODHUE MN-RICE MN-WASHINGTON MN-PEPIN WI-PIERCE WI-
647 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIERCE...
SOUTHWESTERN PEPIN...SOUTHEASTERN WASHINGTON...EAST CENTRAL RICE...
GOODHUE AND SOUTHEASTERN DAKOTA COUNTIES UNTIL 745 PM CDT...

AT 643 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM AFTON STATE PARK TO 9 MILES NORTH OF CANNON FALLS TO
FARIBAULT...AND MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
RIVER FALLS...RED WING...ELLSWORTH...KINNICKINNIC STATE PARK...CANNON
FALLS...FRONTENAC STATE PARK...PRESCOTT...DENNISON...NERSTRAND...
MIESVILLE...KENYON...WASTEDO...DIAMOND BLUFF...WELCH...BOMBAY...
BELDENVILLE...HADER...HAGER CITY...WANAMINGO AND MARTEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4429 9328 4462 9298 4487 9287 4485 9217
      4455 9217 4444 9227 4445 9242 4436 9244
      4436 9254 4424 9254
TIME...MOT...LOC 2347Z 274DEG 37KT 4492 9276 4464 9288
          4431 9317

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

$$

583 
WWUS53 KMPX 080006
SVSMPX

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

MNC037-131-163-080016-
/O.CAN.KMPX.SV.W.0064.000000T0000Z-140708T0045Z/
DAKOTA MN-RICE MN-WASHINGTON MN-
706 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON...EAST
CENTRAL RICE AND SOUTHEASTERN DAKOTA COUNTIES IS CANCELLED...

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

LAT...LON 4428 9304 4436 9304 4455 9286 4455 9280
      4463 9279 4463 9274 4471 9274 4486 9265
      4485 9217 4455 9217 4444 9227 4445 9242
      4436 9244 4436 9254 4424 9254
TIME...MOT...LOC 0006Z 274DEG 37KT 4491 9248 4463 9261
          4430 9290

$$

MNC049-WIC091-093-080045-
/O.CON.KMPX.SV.W.0064.000000T0000Z-140708T0045Z/
GOODHUE MN-PEPIN WI-PIERCE WI-
706 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIERCE...
SOUTHWESTERN PEPIN AND GOODHUE COUNTIES UNTIL 745 PM CDT...

AT 704 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHEAST OF RIVER FALLS TO RED WING TO 10
MILES NORTH OF WEST CONCORD...AND MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
RED WING...ELLSWORTH...FRONTENAC STATE PARK...BELDENVILLE...HADER...
HAGER CITY...WANAMINGO...MARTEL...RED WING AIRPORT...ESDAILE...
GOODHUE...BAY CITY...ZUMBROTA...WACOUTA...SPRING VALLEY...
BELLECHESTER...MAIDEN ROCK...FRONTENAC...PLUM CITY AND CENTRAL POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4428 9304 4436 9304 4455 9286 4455 9280
      4463 9279 4463 9274 4471 9274 4486 9265
      4485 9217 4455 9217 4444 9227 4445 9242
      4436 9244 4436 9254 4424 9254
TIME...MOT...LOC 0006Z 274DEG 37KT 4491 9248 4463 9261
          4430 9290

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

$$

SPD

676 
WWUS53 KMPX 080017
SVSMPX

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

MNC049-WIC091-093-080045-
/O.CON.KMPX.SV.W.0064.000000T0000Z-140708T0045Z/
GOODHUE MN-PEPIN WI-PIERCE WI-
717 PM CDT MON JUL 7 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
PIERCE...SOUTHWESTERN PEPIN AND GOODHUE COUNTIES UNTIL 745 PM CDT...

AT 716 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES NORTHEAST OF ELLSWORTH TO 7 MILES EAST OF RED
WING TO 11 MILES WEST OF MAZEPPA...AND MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
FRONTENAC STATE PARK...ZUMBROTA...WACOUTA...SPRING VALLEY...
BELLECHESTER...MAIDEN ROCK...FRONTENAC...PLUM CITY...CENTRAL POINT
AND STOCKHOLM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4428 9294 4440 9277 4462 9261 4486 9249
      4485 9217 4455 9217 4444 9227 4445 9242
      4436 9244 4436 9254 4424 9254
TIME...MOT...LOC 0017Z 274DEG 37KT 4490 9232 4462 9245
          4429 9274

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

$$

SPD

864 
WWUS53 KMPX 080029
SVSMPX

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

MNC049-WIC091-093-080038-
/O.CAN.KMPX.SV.W.0064.000000T0000Z-140708T0045Z/
GOODHUE MN-PEPIN WI-PIERCE WI-
729 PM CDT MON JUL 7 2014

...THE SEVERE THUNDERSTORM WARNING FOR PIERCE...SOUTHWESTERN PEPIN
AND GOODHUE COUNTIES IS CANCELLED...

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

LAT...LON 4428 9294 4440 9277 4462 9261 4486 9249
      4485 9217 4455 9217 4444 9227 4445 9242
      4436 9244 4436 9254 4424 9254
TIME...MOT...LOC 0028Z 274DEG 37KT 4489 9216 4461 9229
          4428 9258

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 1:25 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	39 min
Jul 7, 2:15 PM CDT	Special Weather Statement	MPX	Saint Croix	30 min
Jul 7, 3:26 PM CDT	Special Weather Statement	MPX	Eau Claire, Pepin	49 min
Jul 7, 3:35 PM CDT	Severe Thunderstorm Warning	MPX	Eau Claire	40 min
Jul 7, 3:46 PM CDT	Special Weather Statement	MPX	Rusk	29 min
Jul 7, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Pepin, Pierce	32 min
Jul 7, 6:49 PM CDT	Tornado Warning	MPX	Pierce	15 min
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, 5:50 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott, Washington	40 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

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014 Severe Thunderstorm Warnings in Wisconsin, 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.