Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 25, NWS Twin Cities, MN

May 26, 2016Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 26, 2016, 1:05 AM CDT for Martin County, Watonwan County, Minnesota. It was in force for 40 min. 2 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: May 26, 2016, 1:05 AM CDT (06:05 UTC)
Expired: May 26, 2016, 1:45 AM CDT
In force: 40 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), 140 km from the middle of the area, began a volume at 06:05 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
May 26, 1:12 AM CDT	TSTM WND DMG	Fairmont, MN	TREE BRANCHES DOWNED. WIND GUST OF 54 MPH MEASURED BY KSUM RADIO. REPORTED VIA TWITTER. CORRECTED EVENT TIME.
May 26, 1:12 AM CDT	TSTM WND GST 54	Fairmont, MN	MEASURED AT KSUM STUDIO. TREE BRANCHES 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 00:00Z, 6.1 hours before the alert went out and 138 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: 755 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted.

768 
WUUS53 KMPX 260605
SVRMPX
MNC091-165-260645-
/O.NEW.KMPX.SV.W.0025.160526T0605Z-160526T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
105 AM CDT THU MAY 26 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 145 AM CDT

* AT 104 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR ECHOLS TO 6 MILES WEST OF TRIMONT TO
  ESTHERVILLE...MOVING NORTHEAST AT 50 MPH.

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

  SOURCE...RADAR INDICATED. AT 100 AM...ESTHERVILLE IOWA GUSTED TO
           77 MPH AND AT 1252 AM JACKSON MINNESOTA GUSTED TO 60
           MPH. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  ST. JAMES AND TRIMONT AROUND 110 AM CDT. 
  CEYLON AND OKAMANPEDAN LAKE AROUND 120 AM CDT. 
  MADELIA AROUND 125 AM CDT. 
  FAIRMONT...TRUMAN AND IOWA LAKE AROUND 130 AM CDT. 
  LEWISVILLE AROUND 135 AM CDT. 

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

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN THE TWIN CITIES.

&&

LAT...LON 4350 9485 4381 9486 4406 9475 4411 9445
      4411 9437 4385 9436 4384 9425 4350 9425
TIME...MOT...LOC 0604Z 239DEG 43KT 4396 9469 4376 9484 4340 9482 

HAIL...0.75IN
WIND...60MPH
 
$$

BORGHOFF

2 follow-up statements

186 
WWUS53 KMPX 260631
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
131 AM CDT THU MAY 26 2016

MNC091-260641-
/O.CAN.KMPX.SV.W.0025.000000T0000Z-160526T0645Z/
MARTIN MN-
131 AM CDT THU MAY 26 2016

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

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

LAT...LON 4387 9436 4386 9475 4408 9463 4411 9445
      4411 9437
TIME...MOT...LOC 0631Z 227DEG 36KT 4412 9441 4392 9456 

$$

MNC165-260645-
/O.CON.KMPX.SV.W.0025.000000T0000Z-160526T0645Z/
WATONWAN MN-
131 AM CDT THU MAY 26 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR EASTERN WATONWAN COUNTY...

AT 131 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR MADELIA TO NEAR SOUTH BRANCH...MOVING NORTHEAST AT
40 MPH.

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

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  MADELIA AROUND 145 AM CDT. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE TWIN CITIES.

&&

LAT...LON 4387 9436 4386 9475 4408 9463 4411 9445
      4411 9437
TIME...MOT...LOC 0631Z 227DEG 36KT 4412 9441 4392 9456 

HAIL...0.75IN
WIND...60MPH
 
$$

BORGHOFF

722 
WWUS53 KMPX 260643
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
143 AM CDT THU MAY 26 2016

MNC165-260653-
/O.EXP.KMPX.SV.W.0025.000000T0000Z-160526T0645Z/
WATONWAN MN-
143 AM CDT THU MAY 26 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WATONWAN COUNTY WILL
EXPIRE AT 145 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE TWIN CITIES.

LAT...LON 4387 9436 4386 9475 4408 9463 4411 9445
      4411 9437
TIME...MOT...LOC 0642Z 239DEG 43KT 4412 9441 4392 9456 

$$

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:00 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	45 min
May 25, 10:33 PM CDT	Special Weather Statement	MPX	Martin	42 min
May 25, 10:50 PM CDT	Severe Thunderstorm Warning	MPX	Martin	55 min
May 25, 11:20 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	55 min
May 25, 11:37 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin	38 min
May 25, 11:51 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	54 min
May 26, 12:30 AM CDT	Severe Thunderstorm Warning	MPX	Nicollet	45 min
May 26, 12:48 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown	27 min
May 26, 1:16 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet	44 min
May 26, 1:38 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Nicollet	24 min
May 26, 2:01 AM CDT	Special Weather Statement	MPX	Blue Earth, Faribault, Waseca	44 min
May 26, 2:14 AM CDT	Special Weather Statement	MPX	Scott	46 min
May 26, 3:07 AM CDT	Special Weather Statement	MPX	Goodhue	53 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.