Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 230, NWS Twin Cities, MN

September 5, 2016Brown County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 5, 2016, 2:25 AM CDT for Brown County, Minnesota. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 5, 2016, 2:25 AM CDT (07:25 UTC)
Expired: Sep 5, 2016, 3:15 AM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Brown County, MN

The radar

The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 07:29 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.4 hours before the alert went out and 108 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: 1218 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

837 
WUUS53 KMPX 050725
SVRMPX
MNC015-050815-
/O.NEW.KMPX.SV.W.0230.160905T0725Z-160905T0815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
225 AM CDT MON SEP 5 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 315 AM CDT

* AT 225 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR CLEMENTS TO NEAR DELFT...MOVING EAST AT 60 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  COMFREY AROUND 235 AM CDT. 
  SLEEPY EYE AROUND 240 AM CDT. 
  NEW ULM AND HANSKA AROUND 255 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
EVAN... COBDEN...NEW ULM AIRPORT...SEARLES AND ESSIG.

THIS INCLUDES U.S. HIGHWAY 14 BETWEEN MILE MARKERS 70 AND 103.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4411 9509 4428 9509 4428 9487 4444 9487
      4445 9478 4443 9470 4439 9467 4440 9464
      4435 9449 4427 9442 4426 9437 4411 9437
TIME...MOT...LOC 0725Z 262DEG 51KT 4433 9505 4401 9505 

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

JRB

4 follow-up statements

606 
WWUS53 KMPX 050737
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 AM CDT MON SEP 5 2016

MNC015-050815-
/O.CON.KMPX.SV.W.0230.000000T0000Z-160905T0815Z/
BROWN MN-
237 AM CDT MON SEP 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR BROWN COUNTY...

AT 236 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR SLEEPY EYE TO NEAR SVEADAHL...MOVING EAST AT 65
MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

THESE SEVERE STORMS WILL BE NEAR...
  NEW ULM AND HANSKA AROUND 245 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE NEW
ULM AIRPORT...EVAN...COBDEN...SEARLES AND ESSIG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4411 9490 4428 9490 4428 9487 4444 9487
      4445 9478 4443 9470 4439 9467 4440 9464
      4435 9449 4427 9442 4426 9437 4411 9437
TIME...MOT...LOC 0736Z 261DEG 56KT 4436 9469 4404 9469 

HAIL...<.75IN
WIND...70MPH
 
$$

JRB

441 
WWUS53 KMPX 050751
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
251 AM CDT MON SEP 5 2016

MNC015-050815-
/O.CON.KMPX.SV.W.0230.000000T0000Z-160905T0815Z/
BROWN MN-
251 AM CDT MON SEP 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR EASTERN BROWN COUNTY...

AT 250 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR KLOSSNER TO MADELIA...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
EASTERN BROWN COUNTY...INCLUDING THE FOLLOWING LOCATIONS: NEW ULM
AIRPORT...SEARLES AND ESSIG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4411 9475 4427 9471 4443 9470 4439 9467
      4440 9464 4435 9449 4427 9442 4426 9437
      4411 9437
TIME...MOT...LOC 0750Z 257DEG 41KT 4439 9440 4407 9440 

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

JRB

707 
WWUS53 KMPX 050800
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
300 AM CDT MON SEP 5 2016

MNC015-050815-
/O.CON.KMPX.SV.W.0230.000000T0000Z-160905T0815Z/
BROWN MN-
300 AM CDT MON SEP 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR SOUTHEASTERN BROWN COUNTY...

AT 300 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR KLOSSNER TO NEAR MADELIA...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
NEW ULM...HANSKA...NEW ULM AIRPORT AND SEARLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4411 9457 4425 9456 4438 9457 4435 9449
      4427 9442 4426 9437 4411 9437
TIME...MOT...LOC 0800Z 255DEG 42KT 4440 9439 4408 9439 

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

JRB

230 
WWUS53 KMPX 050810 RRA
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
310 AM CDT MON SEP 5 2016

MNC015-050820-
/O.EXP.KMPX.SV.W.0230.000000T0000Z-160905T0815Z/
BROWN MN-
310 AM CDT MON SEP 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROWN COUNTY WILL
EXPIRE AT 315 AM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

LAT...LON 4411 9457 4425 9456 4438 9457 4435 9449
      4427 9442 4426 9437 4411 9437
TIME...MOT...LOC 0809Z 262DEG 51KT 4440 9439 4408 9439 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 5, 2:22 AM CDT	Severe Thunderstorm Warning	MPX	Martin, Watonwan	53 min
Sep 5, 2:34 AM CDT	Severe Thunderstorm Warning	MPX	Nicollet, Renville, Sibley	56 min
Sep 5, 2:41 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth	49 min
Sep 5, 3:09 AM CDT	Special Weather Statement	MPX	Carver, Le Sueur, Scott	51 min
Sep 5, 11:32 AM CDT	Special Weather Statement	MPX	Faribault	58 min
Sep 5, 12:56 PM CDT	Special Weather Statement	MPX	Freeborn	64 min
Sep 5, 3:06 PM CDT	Flood Watch	MPX	Anoka, Blue Earth, Brown, Carver, Chisago, Dakota and 19 more	43 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.