Alert archive / Minnesota / Tornado Warnings in 2021

Tornado Warning 10, NWS Twin Cities, MN

May 19, 2021Dakota County, Scott County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 19, 2021, 8:25 PM CDT for Dakota County, Scott County, Minnesota. It was in force for 50 min. 1 report 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 19, 2021, 8:25 PM CDT (01:25 UTC)
Expired: May 19, 2021, 9:15 PM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Dakota County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 36 km from the middle of the area, began a volume at 01:26 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 19, 8:42 PM CDT	TORNADO	2 E Elko New Market, MN	REPORTED AS RAIN WRAPPED. REPORT RELAYED BY SCOTT COUNTY 911.

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, 1.4 hours before the alert went out and 37 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: 412 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 825 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

891 
WFUS53 KMPX 200125
TORMPX
MNC037-139-200215-
/O.NEW.KMPX.TO.W.0010.210520T0125Z-210520T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
825 PM CDT Wed May 19 2021

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southwestern Dakota County in east central Minnesota...
  Eastern Scott County in east central Minnesota...

* Until 915 PM CDT.

* At 824 PM CDT, a confirmed tornado was located near Webster, or 7
  miles west of Northfield, moving north at 30 mph.

  HAZARD...Damaging tornado.

  SOURCE...Law enforcement 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...
  Elko New Market around 840 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Lakeville, Apple Valley, Prior Lake, Burnsville, Savage and Shakopee.

This includes  Mystic Lake Casino.
 
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 4454 9328 4454 9346 4476 9353 4478 9316
      4447 9318 4447 9328
TIME...MOT...LOC 0124Z 175DEG 25KT 4448 9332 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CEO

2 follow-up statements

097 
WWUS53 KMPX 200149
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
849 PM CDT Wed May 19 2021

MNC037-139-200215-
/O.CON.KMPX.TO.W.0010.000000T0000Z-210520T0215Z/
Dakota MN-Scott MN-
849 PM CDT Wed May 19 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR WEST
CENTRAL DAKOTA AND EASTERN SCOTT COUNTIES...
    
At 848 PM CDT, a confirmed tornado was located near Lakeville, or 16
miles northwest of Northfield, moving north at 30 mph.

HAZARD...Damaging tornado.

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.

Locations impacted include...
  Apple Valley, Prior Lake, Burnsville, Savage and Shakopee.

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 4456 9336 4477 9342 4478 9319 4456 9322
TIME...MOT...LOC 0148Z 175DEG 25KT 4465 9334 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CEO

743 
WWUS53 KMPX 200201
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
901 PM CDT Wed May 19 2021

MNC037-139-200215-
/O.CON.KMPX.TO.W.0010.000000T0000Z-210520T0215Z/
Dakota MN-Scott MN-
901 PM CDT Wed May 19 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR WEST
CENTRAL DAKOTA AND NORTHEASTERN SCOTT COUNTIES...
    
At 901 PM CDT, a confirmed tornado was located over Lakeville, or 16
miles north of Northfield, moving north at 25 mph.

HAZARD...Damaging tornado.

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.

Locations impacted include...
Eagan, Burnsville, Lakeville, Apple Valley, Savage, Prior Lake and
Lakeville Airport.

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 4462 9334 4477 9340 4478 9319 4461 9322
TIME...MOT...LOC 0201Z 181DEG 22KT 4468 9325 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CEO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 7:20 PM CDT	Tornado Warning	MPX	Steele, Waseca	25 min
May 19, 7:39 PM CDT	Tornado Warning	MPX	Rice	36 min
May 19, 7:58 PM CDT	Tornado Warning	MPX	Carver, Le Sueur, Scott, Sibley	34 min
May 19, 8:05 PM CDT	Tornado Warning	MPX	Rice	40 min
May 19, 9:58 PM CDT	Tornado Warning	MPX	Dakota	17 min

Nearby

Tornado Warnings in Minnesota, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.