Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 22, NWS Twin Cities, MN

May 25, 2016Blue Earth County, Brown County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2016, 11:51 PM CDT for Blue Earth County, Brown County, Nicollet County, Minnesota. It was in force for 54 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 25, 2016, 11:51 PM CDT (04:51 UTC)
Expired: May 26, 2016, 12:45 AM CDT
In force: 54 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Blue Earth County, MN, Brown County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 94 km from the middle of the area, began a volume at 04:54 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, 12:15 AM CDT	HAIL 0.75	3 Se New Ulm, MN	PENNY SIZE HAIL WAS COVERING THE GROUND.
May 26, 12:27 AM CDT	HAIL 1.25	1 E Courtland, MN	HEAVY RAIN AND GUSTY WINDS REPORTED BY DEPUTY AS WELL.

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, 4.9 hours before the alert went out and 92 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.

735 
WUUS53 KMPX 260451
SVRMPX
MNC013-015-103-260545-
/O.NEW.KMPX.SV.W.0022.160526T0451Z-160526T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1151 PM CDT WED MAY 25 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHWESTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
  CENTRAL NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 1245 AM CDT

* AT 1150 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NEW ULM
  AIRPORT...OR NEAR NEW ULM...MOVING EAST AT 20 MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  NEW ULM AROUND 1200 AM CDT. 
  COURTLAND AROUND 1220 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE NEW ULM
AIRPORT...SEARLES AND KLOSSNER.

THIS INCLUDES U.S. HIGHWAY 14 BETWEEN MILE MARKERS 97 AND 115.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4421 9462 4428 9466 4446 9438 4446 9434
      4420 9421
TIME...MOT...LOC 0450Z 253DEG 19KT 4427 9455 

HAIL...1.25IN
WIND...<50MPH
 
$$

BORGHOFF

2 follow-up statements

950 
WWUS53 KMPX 260508
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1208 AM CDT THU MAY 26 2016

MNC013-015-103-260545-
/O.CON.KMPX.SV.W.0022.000000T0000Z-160526T0545Z/
BROWN MN-BLUE EARTH MN-NICOLLET MN-
1208 AM CDT THU MAY 26 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR EAST CENTRAL BROWN...NORTHWESTERN BLUE EARTH AND CENTRAL NICOLLET
COUNTIES...

AT 1208 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NEW ULM...
MOVING EAST AT 20 MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  COURTLAND AROUND 1225 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE NEW ULM
AIRPORT...SEARLES AND KLOSSNER.

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 4421 9462 4426 9464 4436 9446 4445 9433
      4420 9421
TIME...MOT...LOC 0508Z 255DEG 16KT 4428 9445 

HAIL...1.25IN
WIND...<50MPH
 
$$

BORGHOFF

513 
WWUS53 KMPX 260525
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1225 AM CDT THU MAY 26 2016

MNC015-260535-
/O.CAN.KMPX.SV.W.0022.000000T0000Z-160526T0545Z/
BROWN MN-
1225 AM CDT THU MAY 26 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BROWN COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4420 9437 4426 9437 4427 9442 4429 9442
      4432 9445 4439 9431 4420 9421
TIME...MOT...LOC 0525Z 255DEG 18KT 4431 9431 

$$

MNC013-103-260545-
/O.CON.KMPX.SV.W.0022.000000T0000Z-160526T0545Z/
BLUE EARTH MN-NICOLLET MN-
1225 AM CDT THU MAY 26 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN BLUE EARTH AND CENTRAL NICOLLET COUNTIES...

AT 1225 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COURTLAND...OR
7 MILES EAST OF NEW ULM...MOVING EAST AT 20 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN BLUE EARTH AND CENTRAL NICOLLET COUNTIES.

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 4420 9437 4426 9437 4427 9442 4429 9442
      4432 9445 4439 9431 4420 9421
TIME...MOT...LOC 0525Z 255DEG 18KT 4431 9431 

HAIL...1.00IN
WIND...<50MPH
 
$$

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 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, 1:16 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.