Alert archive / Minnesota / Tornado Warnings in 2021

Tornado Warning 4, NWS Twin Cities, MN

March 10, 2021Dakota County, Rice County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Mar 10, 2021, 4:47 PM CST for Dakota County, Rice County, Minnesota. It was in force for 28 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, 4:47 PM CST (22:47 UTC)
Expired
Mar 10, 2021, 5:15 PM CST
In force
28 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Dakota County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 22:47 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.

IssuedProductOfficeLasted
Mar 10, 2:46 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.8 hours before the alert went out and 60 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2021-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2021-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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.

928 
WFUS53 KMPX 102247
TORMPX
MNC037-131-102315-
/O.NEW.KMPX.TO.W.0004.210310T2247Z-210310T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
447 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...
  Central Rice County in south central Minnesota...

* Until 515 PM CST.
    
* At 447 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Warsaw, or 8 miles west of Faribault, moving
  northeast at 55 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Faribault around 455 PM CST.
  Dundas around 505 PM CST.
  Northfield around 510 PM CST.

Other locations impacted by this tornadic thunderstorm include
Faribault Airport and Bridgewater.

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 4428 9352 4458 9324 4448 9304 4443 9304
      4420 9341 4420 9352
TIME...MOT...LOC 2247Z 219DEG 46KT 4427 9344 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ETA
1 follow-up statement
352 
WWUS53 KMPX 102305
SVSMPX

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

MNC037-131-102315-
/O.CON.KMPX.TO.W.0004.000000T0000Z-210310T2315Z/
Dakota MN-Rice MN-
505 PM CST Wed Mar 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CST FOR SOUTH
CENTRAL DAKOTA AND CENTRAL RICE COUNTIES...
    
At 505 PM CST, a severe thunderstorm capable of producing a tornado
was located over Dundas, or near Northfield, moving northeast at 55
mph.

HAZARD...Tornado and quarter size hail.

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 tornadic thunderstorm will remain over mainly rural areas of
south central Dakota and central Rice Counties, including the
following locations... Faribault Airport and Bridgewater.

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 4438 9337 4456 9321 4448 9304 4443 9304
      4433 9331 4434 9336
TIME...MOT...LOC 2305Z 219DEG 46KT 4446 9323 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 3:39 AM CSTWinter Weather AdvisoryMPXChippewa, Douglas, Lac qui Parle, Morrison, Pope, Stearns and 3 more20 hr
Mar 10, 3:40 AM CSTWind AdvisoryMPXBlue Earth, Dakota, Faribault, Freeborn, Goodhue, Le Sueur and 7 more23 hr
Mar 10, 12:06 PM CSTWinter Storm WarningMPXDouglas, Pope, Stevens, Todd12 hr
Mar 10, 4:03 PM CSTSpecial Weather StatementMPXLe Sueur27 min
Mar 10, 4:13 PM CSTTornado WarningMPXDakota, Rice, Scott14 min
Mar 10, 4:23 PM CSTTornado WarningMPXLe Sueur, Rice, Waseca26 min
Mar 10, 4:36 PM CSTTornado WarningMPXDakota, Rice, Scott24 min
Mar 10, 4:54 PM CSTSpecial Weather StatementMPXMcLeod36 min
Mar 10, 5:15 PM CSTTornado WarningMPXDakota, Rice30 min
Mar 10, 5:27 PM CSTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington29 min

Nearby

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