Alert archive / Minnesota / Tornado Warnings in 2021

Tornado Warning 1, NWS Twin Cities, MN

March 10, 2021Dakota County, Rice County, Scott County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Mar 10, 2021, 4:13 PM CST for Dakota County, Rice County, Scott County, Minnesota. It was in force for 14 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: Mar 10, 2021, 4:13 PM CST (22:13 UTC)
Expired: Mar 10, 2021, 4:27 PM CST
In force: 14 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Dakota County, MN, Rice County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 22:13 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 10, 2:46 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 41 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 946 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

842 
WFUS53 KMPX 102213
TORMPX
MNC037-131-139-102245-
/O.NEW.KMPX.TO.W.0001.210310T2213Z-210310T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
413 PM CST Wed Mar 10 2021

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southwestern Dakota County in east central Minnesota...
  Southeastern Scott County in east central Minnesota...
  North central Rice County in south central Minnesota...

* Until 445 PM CST.
    
* At 413 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Webster, or 10 miles west of Northfield, moving
  northeast at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  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 dangerous storm will be near...
  Lakeville and Farmington around 435 PM CST.
  Apple Valley around 440 PM CST.
  Rosemount around 445 PM CST.

Other locations impacted by this tornadic thunderstorm include Castle
Rock and Lakeville Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4445 9335 4448 9343 4477 9325 4467 9300
TIME...MOT...LOC 2213Z 207DEG 38KT 4450 9336 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ETA

1 follow-up statement

115 
WWUS53 KMPX 102227
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
427 PM CST Wed Mar 10 2021

MNC037-131-139-102237-
/O.CAN.KMPX.TO.W.0001.000000T0000Z-210310T2245Z/
Dakota MN-Scott MN-Rice MN-
427 PM CST Wed Mar 10 2021

...THE TORNADO WARNING FOR SOUTHWESTERN DAKOTA...SOUTHEASTERN SCOTT
AND NORTH CENTRAL RICE COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Tornado Watch remains in effect until 800 PM CST for south central
and east central Minnesota.

LAT...LON 4445 9335 4448 9343 4477 9325 4467 9300
TIME...MOT...LOC 2224Z 207DEG 38KT 4463 9327 

$$

ETA

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 3:39 AM CST	Winter Weather Advisory	MPX	Chippewa, Douglas, Lac qui Parle, Morrison, Pope, Stearns and 3 more	20 hr
Mar 10, 3:40 AM CST	Wind Advisory	MPX	Blue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 7 more	23 hr
Mar 10, 12:06 PM CST	Winter Storm Warning	MPX	Douglas, Pope, Stevens, Todd	12 hr
Mar 10, 4:03 PM CST	Special Weather Statement	MPX	Le Sueur	27 min
Mar 10, 4:23 PM CST	Tornado Warning	MPX	Le Sueur, Rice, Waseca	26 min
Mar 10, 4:36 PM CST	Tornado Warning	MPX	Dakota, Rice, Scott	24 min
Mar 10, 4:47 PM CST	Tornado Warning	MPX	Dakota, Rice	28 min
Mar 10, 4:54 PM CST	Special Weather Statement	MPX	McLeod	36 min
Mar 10, 5:15 PM CST	Tornado Warning	MPX	Dakota, Rice	30 min
Mar 10, 5:27 PM CST	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.