Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 26, NWS Twin Cities, MN

May 26, 2016Le Sueur County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 26, 2016, 1:16 AM CDT for Le Sueur County, Nicollet County, Minnesota. It was in force for 44 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: May 26, 2016, 1:16 AM CDT (06:16 UTC)
Expired: May 26, 2016, 2:00 AM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Le Sueur County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 55 km from the middle of the area, began a volume at 06:19 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, 6.3 hours before the alert went out and 54 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.

842 
WUUS53 KMPX 260616
SVRMPX
MNC079-103-260700-
/O.NEW.KMPX.SV.W.0026.160526T0616Z-160526T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
116 AM CDT THU MAY 26 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
  CENTRAL LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 200 AM CDT

* AT 116 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OTTAWA...OR 14
  MILES NORTH OF MANKATO...MOVING EAST AT 25 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  LE SUEUR AROUND 125 AM CDT. 
  CLEVELAND AROUND 130 AM CDT. 
  LE CENTER AROUND 140 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
NORSELAND...ST THOMAS...OTTAWA AND ST HENRY.

THIS INCLUDES U.S. HIGHWAY 169 BETWEEN MILE MARKERS 64 AND 76...AND
BETWEEN MILE MARKERS 79 AND 83.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4443 9411 4446 9403 4446 9393 4452 9388
      4455 9380 4430 9358 4427 9398
TIME...MOT...LOC 0616Z 250DEG 22KT 4437 9396 

HAIL...0.88IN
WIND...60MPH
 
$$

BORGHOFF

1 follow-up statement

826 
WWUS53 KMPX 260652
SVSMPX

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

MNC079-103-260702-
/O.EXP.KMPX.SV.W.0026.000000T0000Z-160526T0700Z/
NICOLLET MN-LE SUEUR MN-
152 AM CDT THU MAY 26 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NICOLLET AND
CENTRAL LE SUEUR COUNTIES WILL EXPIRE AT 200 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM AS IT HEADS INTO SOUTHERN SCOTT
COUNTY.

LAT...LON 4443 9411 4446 9403 4446 9393 4452 9388
      4455 9380 4430 9358 4427 9398
TIME...MOT...LOC 0651Z 250DEG 22KT 4437 9396 

$$

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, 1:05 AM CDT	Severe Thunderstorm Warning	MPX	Martin, Watonwan	40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.