Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 149, NWS Twin Cities, MN

July 15, 2011Dakota County, Goodhue County, Rice County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 15, 2011, 12:41 PM CDT for Dakota County, Goodhue County, Rice County, Minnesota. It was in force for 52 min. 1 report 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 15, 2011, 12:41 PM CDT (17:41 UTC)
Expired: Jul 15, 2011, 1:33 PM CDT
In force: 52 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

The radar

The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 17:43 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

Time	Report	Where	Remark
Jul 15, 1:15 PM CDT	TSTM WND DMG	Zumbrota, MN	ESTIMATE 50 MPH 3 TO 4 INCH TREE LIMBS DOWN

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, 5.7 hours before the alert went out and 89 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: 1183 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

827 
WUUS53 KMPX 151741
SVRMPX
MNC037-049-131-151845-
/O.NEW.KMPX.SV.W.0149.110715T1741Z-110715T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1241 PM CDT FRI JUL 15 2011

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...
  EASTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 145 PM CDT

* AT 1239 PM CDT...LAW ENFORCEMENT REPORTED A LINE OF SEVERE
  THUNDERSTORMS WITH DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM NEW TRIER TO DENNISON TO
  FARIBAULT...AND MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  FARIBAULT...
  RED WING...
  STANTON...
  NEW TRIER...
  HAMPTON...
  RANDOLPH...
  NORTHFIELD...
  VERMILLION...
  DENNISON...
  RUSKIN...
  CANNON FALLS...
  NERSTRAND...
  MIESVILLE...
  WASTEDO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4420 9312 4429 9341 4445 9317 4471 9296
      4446 9225 4445 9226 4445 9241 4437 9242
      4436 9245 4435 9254 4420 9254 4419 9256
TIME...MOT...LOC 1741Z 295DEG 28KT 4458 9292 4441 9304
          4431 9319
WIND...HAIL 60MPH <.75IN

$$

4 follow-up statements

078 
WWUS53 KMPX 151751
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1251 PM CDT FRI JUL 15 2011

MNC131-151806-
/O.CAN.KMPX.SV.W.0149.000000T0000Z-110715T1845Z/
RICE MN-
1251 PM CDT FRI JUL 15 2011

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

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

LAT...LON 4431 9304 4451 9304 4466 9286 4446 9225
      4445 9226 4445 9241 4437 9242 4435 9254
      4421 9254 4419 9256
TIME...MOT...LOC 1751Z 295DEG 28KT 4455 9282 4438 9295
          4434 9298

$$

MNC037-049-151845-
/O.CON.KMPX.SV.W.0149.000000T0000Z-110715T1845Z/
DAKOTA MN-GOODHUE MN-
1251 PM CDT FRI JUL 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GOODHUE AND
SOUTHEASTERN DAKOTA COUNTIES UNTIL 145 PM CDT...

AT 1248 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
MIESVILLE TO DENNISON TO NERSTRAND...MOVING SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  WASTEDO...WELCH...BOMBAY...HADER...WANAMINGO...GOODHUE...ZUMBROTA
  AND BELLECHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4431 9304 4451 9304 4466 9286 4446 9225
      4445 9226 4445 9241 4437 9242 4435 9254
      4421 9254 4419 9256
TIME...MOT...LOC 1751Z 295DEG 28KT 4455 9282 4438 9295
          4434 9298
WIND...HAIL 60MPH <.75IN

$$

299 
WWUS53 KMPX 151804
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
104 PM CDT FRI JUL 15 2011

MNC037-151818-
/O.CAN.KMPX.SV.W.0149.000000T0000Z-110715T1845Z/
DAKOTA MN-
104 PM CDT FRI JUL 15 2011

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

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

LAT...LON 4431 9304 4455 9282 4455 9280 4462 9276
      4446 9225 4445 9226 4445 9241 4437 9242
      4435 9254 4421 9254 4419 9256
TIME...MOT...LOC 1803Z 295DEG 29KT 4451 9269 4434 9282
          4430 9285

$$

MNC049-151845-
/O.CON.KMPX.SV.W.0149.000000T0000Z-110715T1845Z/
GOODHUE MN-
104 PM CDT FRI JUL 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GOODHUE COUNTY
UNTIL 145 PM CDT...

AT 102 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WELCH
TO HADER TO BOMBAY...MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  WANAMINGO...GOODHUE...ZUMBROTA AND BELLECHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

THIS STORM HAS A HISTORY OF PRODUCING STRONG WINDS. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 4431 9304 4455 9282 4455 9280 4462 9276
      4446 9225 4445 9226 4445 9241 4437 9242
      4435 9254 4421 9254 4419 9256
TIME...MOT...LOC 1803Z 295DEG 29KT 4451 9269 4434 9282
          4430 9285
WIND...HAIL 60MPH <.75IN

$$

813 
WWUS53 KMPX 151820
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
120 PM CDT FRI JUL 15 2011

MNC049-151845-
/O.CON.KMPX.SV.W.0149.000000T0000Z-110715T1845Z/
GOODHUE MN-
120 PM CDT FRI JUL 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GOODHUE COUNTY
UNTIL 145 PM CDT...

AT 116 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6
MILES SOUTH OF BAY CITY TO WANAMINGO...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  BELLECHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4429 9292 4446 9274 4457 9263 4446 9225
      4445 9226 4445 9241 4437 9242 4435 9254
      4421 9254 4419 9256
TIME...MOT...LOC 1821Z 297DEG 24KT 4449 9246 4426 9271
WIND...HAIL 60MPH <.75IN

$$

730 
WWUS53 KMPX 151833
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
133 PM CDT FRI JUL 15 2011

MNC049-151848-
/O.CAN.KMPX.SV.W.0149.000000T0000Z-110715T1845Z/
GOODHUE MN-
133 PM CDT FRI JUL 15 2011

...THE SEVERE THUNDERSTORM WARNING FOR GOODHUE COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS.

LAT...LON 4429 9292 4446 9274 4457 9263 4446 9225
      4445 9226 4445 9241 4437 9242 4435 9254
      4421 9254 4419 9256
TIME...MOT...LOC 1833Z 297DEG 24KT 4445 9236 4422 9261

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 3:40 AM CDT	Excessive Heat Watch	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	36 hr
Jul 15, 4:58 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	62 min
Jul 15, 5:55 AM CDT	Areal Flood Advisory	MPX	Douglas, Todd	3 hr
Jul 15, 6:13 AM CDT	Special Weather Statement	MPX	Todd	62 min
Jul 15, 6:19 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Stearns, Todd	56 min
Jul 15, 6:44 AM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	61 min
Jul 15, 6:50 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	55 min
Jul 15, 7:05 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	55 min
Jul 15, 7:11 AM CDT	Special Weather Statement	MPX	Morrison	79 min
Jul 15, 7:33 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	57 min
Jul 15, 8:14 AM CDT	Flash Flood Warning	MPX	Douglas, Todd	3 hr
Jul 15, 8:37 AM CDT	Special Weather Statement	MPX	Stearns	53 min
Jul 15, 8:51 AM CDT	Flash Flood Warning	MPX	Pope, Stearns	3 hr
Jul 15, 9:00 AM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	45 min
Jul 15, 9:36 AM CDT	River Flood Warning	MPX	Todd	5 days
Jul 15, 10:12 AM CDT	Special Weather Statement	MPX	Anoka, Hennepin, Sherburne, Wright	63 min
Jul 15, 11:07 AM CDT	Special Weather Statement	MPX	Freeborn, Steele	38 min
Jul 15, 12:52 PM CDT	Flood Watch	MPX	Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 22 more	13 hr
Jul 15, 2:45 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Waseca	44 min
Jul 15, 3:09 PM CDT	Areal Flood Advisory	MPX	Blue Earth, Carver, Le Sueur, Nicollet, Rice, Scott and 2 more	3 hr
Jul 15, 3:20 PM CDT	Special Weather Statement	MPX	Freeborn, Le Sueur, Rice, Steele, Waseca	55 min
Jul 15, 3:34 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Rice, Steele, Waseca	26 min
Jul 15, 3:35 PM CDT	Flash Flood Warning	MPX	Dakota, Le Sueur, Rice, Scott, Steele, Waseca	3 hr
Jul 15, 3:46 PM CDT	Excessive Heat Warning	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	5 days
Jul 15, 3:50 PM CDT	Flash Flood Warning	MPX	Dakota, Goodhue, Rice	3 hr
Jul 15, 4:55 PM CDT	Areal Flood Advisory	MPX	Faribault, Freeborn, Steele, Waseca	3 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2011 Every severe thunderstorm warning in 2011

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.