Alert archive / Minnesota / Tornado Warnings in 2020

Tornado Warning 4, NWS Twin Cities, MN

June 2, 2020Blue Earth County, Waseca County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 2, 2020, 5:39 PM CDT for Blue Earth County, Waseca County, Minnesota. It was in force for 51 min. 7 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: Jun 2, 2020, 5:39 PM CDT (22:39 UTC)
Expired: Jun 2, 2020, 6:30 PM CDT
In force: 51 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Observed
Hail: 2.75 in

Counties Blue Earth County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 102 km from the middle of the area, began a volume at 22:41 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
Jun 2, 5:45 PM CDT	TORNADO	4 W Waldorf, MN
Jun 2, 5:50 PM CDT	TSTM WND DMG	2 S Pemberton, MN	REPORT OF DOWNED TREE BRANCHES ACROSS THE ROAD. SOME LARGER THAN 12 INCH IN DIAMETER.
Jun 2, 5:50 PM CDT	HAIL 1	2 S Pemberton, MN
Jun 2, 5:50 PM CDT	HAIL 1.75	Waldorf, MN	REPORTED VIA TWITTER AS SLIGHTLY LARGER THAN A GOLF BALL. PHOTO INCLUDED. TIME ESTIMATED.
Jun 2, 6:00 PM CDT	TSTM WND DMG	2 Nw New Richland, MN	LARGE TREE DOWN AT INTERSECTION OF 105TH AND 120TH TWO MILES NW OF NEW RICHLAND. REPORTED VIA TWITTER. PHOTO INCLUDED. TIME ESTIMATED.
Jun 2, 6:00 PM CDT	TSTM WND GST 63	Waldorf, MN	MEASURED WITH DAVIS INSTRUMENT. REPORTED VIA TWITTER. TIME ESTIMATED.
Jun 2, 6:15 PM CDT	TSTM WND DMG	3 Ene New Richland, MN	CHURCH STEEPLE BLOWN OVER, TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 2, 4:39 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 101 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: 55 J/kg
Mixed-layer CIN: -557 J/kg
Mixed-layer LCL: 2144 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -33 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

679 
WFUS53 KMPX 022239
TORMPX
MNC013-161-022330-
/O.NEW.KMPX.TO.W.0004.200602T2239Z-200602T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
539 PM CDT Tue Jun 2 2020

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Southeastern Blue Earth County in south central Minnesota...
  Southern Waseca County in south central Minnesota...

* Until 630 PM CDT.

* At 539 PM CDT, a confirmed tornado was located near Pemberton, or
  16 miles southeast of Mankato, moving east at 30 mph.

  HAZARD...Damaging tornado and baseball size hail.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* The tornado will be near...
  Waldorf around 555 PM CDT.
  New Richland around 615 PM CDT.

Other locations impacted by this tornadic thunderstorm include Otisco
and Alma City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4396 9393 4406 9387 4397 9341 4385 9341
      4385 9379
TIME...MOT...LOC 2239Z 282DEG 24KT 4397 9381 

TORNADO...OBSERVED
HAIL...2.75IN

$$

Dye

2 follow-up statements

431 
WWUS53 KMPX 022257
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
557 PM CDT Tue Jun 2 2020

MNC013-022307-
/O.CAN.KMPX.TO.W.0004.000000T0000Z-200602T2330Z/
Blue Earth MN-
557 PM CDT Tue Jun 2 2020

...THE TORNADO WARNING FOR SOUTHEASTERN BLUE EARTH COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central Minnesota.

LAT...LON 4404 9377 4397 9341 4385 9341 4385 9377
TIME...MOT...LOC 2257Z 282DEG 24KT 4394 9365 

$$

MNC161-022330-
/O.CON.KMPX.TO.W.0004.000000T0000Z-200602T2330Z/
Waseca MN-
557 PM CDT Tue Jun 2 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHERN
WASECA COUNTY...
    
At 557 PM CDT, a confirmed tornado was located over Waldorf, or 22
miles southeast of Mankato, moving east at 30 mph.

HAZARD...Damaging tornado and two inch hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  New Richland around 615 PM CDT.

Other locations impacted by this tornadic thunderstorm include Otisco
and Alma City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4404 9377 4397 9341 4385 9341 4385 9377
TIME...MOT...LOC 2257Z 282DEG 24KT 4394 9365 

TORNADO...OBSERVED
HAIL...2.00IN

$$

Dye

128 
WWUS53 KMPX 022322
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
622 PM CDT Tue Jun 2 2020

MNC161-022331-
/O.EXP.KMPX.TO.W.0004.000000T0000Z-200602T2330Z/
Waseca MN-
622 PM CDT Tue Jun 2 2020

...THE TORNADO WARNING FOR SOUTHERN WASECA COUNTY WILL EXPIRE AT 630
PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central Minnesota.

LAT...LON 4404 9377 4397 9341 4385 9341 4385 9377
TIME...MOT...LOC 2321Z 282DEG 24KT 4391 9343 

$$

Dye

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 12:07 PM CDT	Special Weather Statement	MPX	Douglas	23 min
Jun 2, 12:29 PM CDT	Special Weather Statement	MPX	Douglas	46 min
Jun 2, 1:09 PM CDT	Special Weather Statement	MPX	Morrison	36 min
Jun 2, 1:39 PM CDT	Special Weather Statement	MPX	Benton, Mille Lacs, Pope, Stearns, Swift	36 min
Jun 2, 2:12 PM CDT	Special Weather Statement	MPX	Benton, Pope, Stearns, Swift	33 min
Jun 2, 2:45 PM CDT	Special Weather Statement	MPX	Benton, Chippewa, Isanti, Kandiyohi, Lac qui Parle, Sherburne and 2 more	30 min
Jun 2, 3:14 PM CDT	Special Weather Statement	MPX	Chippewa, Chisago, Isanti, Kandiyohi, Sherburne, Stearns and 1 more	46 min
Jun 2, 3:41 PM CDT	Special Weather Statement	MPX	Anoka, Hennepin, Ramsey, Washington	64 min
Jun 2, 4:23 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	37 min
Jun 2, 4:48 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Nicollet	27 min
Jun 2, 5:09 PM CDT	Tornado Warning Tornado observed	MPX	Blue Earth	36 min
Jun 2, 5:14 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Martin, Watonwan	31 min
Jun 2, 5:42 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	48 min
Jun 2, 6:18 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn, Steele, Waseca	42 min
Jun 2, 6:19 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	56 min
Jun 2, 6:32 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	58 min

Nearby

Tornado Warnings in Minnesota, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.