Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 229, NWS Twin Cities, MN

September 5, 2016Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 5, 2016, 2:22 AM CDT for Martin County, Watonwan County, Minnesota. It was in force for 53 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, 2:22 AM CDT (07:22 UTC)
Expired
Sep 5, 2016, 3:15 AM CDT
In force
53 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Martin County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 07:22 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 144 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 00:00Z on 2016-09-05Temperature 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 00:00Z on 2016-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.19395878Sfc1 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
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.

992 
WUUS53 KMPX 050722
SVRMPX
MNC091-165-050815-
/O.NEW.KMPX.SV.W.0229.160905T0722Z-160905T0815Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA...
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 315 AM CDT

* AT 221 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR COMFREY TO NEAR ORLEANS...MOVING EAST AT 50
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ST. JAMES AND CEYLON AROUND 245 AM CDT. 
  MADELIA AROUND 300 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
GROGAN...ORMSBY...FOXLAKE...DARFUR...FAIRMONT AIRPORT...ST JAMES
AIRPORT... LA SALLE...ODIN...IMOGENE AND WILBERT.

THIS INCLUDES INTERSTATE 90 BETWEEN MILE MARKERS 82 AND 112.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9485 4383 9486 4384 9487 4385 9486
      4411 9486 4410 9437 4385 9436 4384 9425
      4350 9425
TIME...MOT...LOC 0721Z 273DEG 42KT 4410 9502 4345 9503 

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

JRB
4 follow-up statements
472 
WWUS53 KMPX 050743
SVSMPX

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

MNC091-165-050815-
/O.CON.KMPX.SV.W.0229.000000T0000Z-160905T0815Z/
WATONWAN MN-MARTIN MN-
243 AM CDT MON SEP 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR WATONWAN AND MARTIN COUNTIES...

AT 243 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR SVEADAHL TO NEAR GRUVER...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  MADELIA AROUND 300 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
GROGAN...ORMSBY...FOXLAKE...DARFUR...FAIRMONT AIRPORT...ST JAMES
AIRPORT... LA SALLE...ODIN...IMOGENE AND WILBERT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9485 4383 9486 4384 9487 4385 9486
      4411 9486 4410 9437 4385 9436 4384 9425
      4350 9425
TIME...MOT...LOC 0743Z 273DEG 42KT 4409 9468 4344 9469 

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

JRB
620 
WWUS53 KMPX 050749
SVSMPX

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

MNC091-165-050815-
/O.CON.KMPX.SV.W.0229.000000T0000Z-160905T0815Z/
WATONWAN MN-MARTIN MN-
249 AM CDT MON SEP 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR WATONWAN AND NORTHERN MARTIN COUNTIES...

AT 249 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR LA SALLE TO NEAR FOXLAKE...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  MADELIA AND TRUMAN AROUND 300 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
GROGAN...ORMSBY...ECHOLS...ST JAMES AIRPORT...SVEADAHL...LA
SALLE...ODIN AND SOUTH BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4371 9477 4389 9476 4411 9476 4410 9437
      4385 9436 4384 9425
TIME...MOT...LOC 0749Z 262DEG 43KT 4409 9462 4374 9457 

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

JRB
722 
WWUS53 KMPX 050758
SVSMPX

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

MNC091-050807-
/O.CAN.KMPX.SV.W.0229.000000T0000Z-160905T0815Z/
MARTIN MN-
258 AM CDT MON SEP 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MARTIN COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA AND THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4411 9457 4410 9437 4385 9436 4385 9462
TIME...MOT...LOC 0757Z 264DEG 54KT 4412 9440 4376 9446 

$$

MNC165-050815-
/O.CON.KMPX.SV.W.0229.000000T0000Z-160905T0815Z/
WATONWAN MN-
258 AM CDT MON SEP 5 2016

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

AT 257 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR HANSKA TO NORTHROP...MOVING EAST AT 60 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 WATONWAN COUNTY...INCLUDING THE FOLLOWING LOCATIONS: LA
SALLE... GROGAN...ST JAMES AIRPORT AND SOUTH BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4411 9457 4410 9437 4385 9436 4385 9462
TIME...MOT...LOC 0757Z 264DEG 54KT 4412 9440 4376 9446 

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

JRB
511 
WWUS53 KMPX 050810
SVSMPX

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

MNC165-050819-
/O.EXP.KMPX.SV.W.0229.000000T0000Z-160905T0815Z/
WATONWAN MN-
310 AM CDT MON SEP 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WATONWAN 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 4410 9437 4385 9436 4385 9462
TIME...MOT...LOC 0808Z 273DEG 42KT 4412 9440 4376 9446 

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 2:25 AM CDTSevere Thunderstorm WarningMPXBrown50 min
Sep 5, 2:34 AM CDTSevere Thunderstorm WarningMPXNicollet, Renville, Sibley56 min
Sep 5, 2:41 AM CDTSevere Thunderstorm WarningMPXBlue Earth49 min
Sep 5, 3:09 AM CDTSpecial Weather StatementMPXCarver, Le Sueur, Scott51 min
Sep 5, 11:32 AM CDTSpecial Weather StatementMPXFaribault58 min
Sep 5, 12:56 PM CDTSpecial Weather StatementMPXFreeborn64 min
Sep 5, 3:06 PM CDTFlood WatchMPXAnoka, Blue Earth, Brown, Carver, Chisago, Dakota and 19 more43 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every 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.