Alert archive / Minnesota / Tornado Warnings in 2022

Tornado Warning 7, NWS Twin Cities, MN

May 9, 2022Pierce County, Wisconsin; Dakota County, Goodhue County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 9, 2022, 5:27 PM CDT for Pierce County, Wisconsin; Dakota County, Goodhue County, Minnesota. It was in force for 33 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 9, 2022, 5:27 PM CDT (22:27 UTC)
Expired
May 9, 2022, 6:00 PM CDT
In force
33 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Dakota County, MN, Goodhue County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 63 km from the middle of the area, began a volume at 22:31 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

TimeReportWhereRemark
May 9, 5:38 PM CDTTORNADO4 Nw Miesville, MNTORNADO TOUCHED DOWN IN AN OPEN FIELD AND TIPPED OVER AN IRRIGATION SYSTEM. IT THEN TORE TIN OFF SOME OUTBUILDINGS AND BROKE SEVERAL DOZEN TREES. THE TORNADO WAS SEEN ON SEVERAL VIDEOS. PATH LENGTH WAS 5.7 MILES. IT WAS RATED EF0 WITH ESTIMATED MAXIMUM WINDS O
May 9, 5:50 PM CDTHAIL 1Prescott, WIFROM SOCIAL MEDIA.

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.

IssuedProductOfficeLasted
May 9, 2:50 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 65 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 2022-05-09Temperature 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 2022-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 364 square meters per square second.19395878Sfc1 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
892 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
364 m²/s²
0-3 km storm-relative helicity
413 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

032 
WFUS53 KMPX 092227
TORMPX
MNC037-049-WIC093-092300-
/O.NEW.KMPX.TO.W.0007.220509T2227Z-220509T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
527 PM CDT Mon May 9 2022

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southeastern Dakota County in east central Minnesota...
  Northern Goodhue County in southeastern Minnesota...
  West central Pierce County in west central Wisconsin...

* Until 600 PM CDT.
    
* At 527 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northwest of Cannon Falls, or 14 miles
  northeast of Northfield, moving northeast at 45 mph.

  HAZARD...Tornado and ping pong ball 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...
  Hastings around 540 PM CDT.
  Prescott around 545 PM CDT.

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 4454 9294 4460 9307 4480 9271 4470 9249
TIME...MOT...LOC 2227Z 232DEG 40KT 4461 9298 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN

$$

ETA
2 follow-up statements
821 
WWUS53 KMPX 092244
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
544 PM CDT Mon May 9 2022

MNC037-049-WIC093-092300-
/O.CON.KMPX.TO.W.0007.000000T0000Z-220509T2300Z/
Dakota MN-Goodhue MN-Pierce WI-
544 PM CDT Mon May 9 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR EAST
CENTRAL DAKOTA...NORTHERN GOODHUE AND WEST CENTRAL PIERCE COUNTIES...
    
At 544 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Prescott, or 11 miles southwest of River Falls,
moving northeast at 45 mph.

HAZARD...Tornado and ping pong ball 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
east central Dakota, northern Goodhue and west central Pierce
Counties, including the following locations... Diamond Bluff.

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 4464 9283 4471 9287 4480 9271 4472 9253
      4468 9254 4462 9271
TIME...MOT...LOC 2244Z 232DEG 40KT 4473 9277 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN

$$

ETA
115 
WWUS53 KMPX 092252
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
552 PM CDT Mon May 9 2022

MNC037-049-WIC093-092301-
/O.EXP.KMPX.TO.W.0007.000000T0000Z-220509T2300Z/
Dakota MN-Goodhue MN-Pierce WI-
552 PM CDT Mon May 9 2022

...THE TORNADO WARNING FOR EAST CENTRAL DAKOTA...NORTHERN GOODHUE AND
WEST CENTRAL PIERCE COUNTIES WILL EXPIRE AT 600 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 Tornado Watch remains in effect until 1000 PM CDT for southeastern
and east central Minnesota...and west central Wisconsin.

LAT...LON 4464 9283 4471 9287 4480 9271 4472 9253
      4468 9254 4462 9271
TIME...MOT...LOC 2251Z 232DEG 40KT 4478 9268 

$$

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 10:13 AM CDTSevere Thunderstorm WarningMPXPolk47 min
May 9, 10:26 AM CDTSevere Thunderstorm WarningMPXPolk34 min
May 9, 10:43 AM CDTSevere Thunderstorm Warning Considerable damage threatMPXBarron, Polk30 min
May 9, 5:03 PM CDTSevere Thunderstorm WarningMPXPolk42 min
May 9, 5:15 PM CDTSevere Thunderstorm WarningMPXPierce45 min
May 9, 5:20 PM CDTTornado WarningMPXPolk25 min
May 9, 5:40 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix35 min
May 9, 6:00 PM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix45 min
May 9, 6:04 PM CDTSevere Thunderstorm WarningMPXPolk41 min
May 9, 6:12 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix33 min
May 9, 6:38 PM CDTTornado WarningMPXDunn37 min
May 9, 6:48 PM CDTSevere Thunderstorm WarningMPXDunn, Pepin, Pierce42 min
May 9, 6:57 PM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix33 min
May 9, 6:39 AM CDTSevere Thunderstorm Warning Destructive damage threatMPXLac qui Parle, Yellow Medicine51 min
May 9, 7:05 AM CDTSevere Thunderstorm Warning Destructive damage threatMPXChippewa, Lac qui Parle, Swift, Yellow Medicine40 min
May 9, 7:33 AM CDTSevere Thunderstorm Warning Destructive damage threatMPXChippewa, Kandiyohi, Pope, Renville, Stearns, Swift57 min
May 9, 8:15 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns, Wright45 min
May 9, 8:33 AM CDTSpecial Weather StatementMPXAnoka, Carver, Hennepin, Isanti, Sherburne, Wright42 min
May 9, 8:50 AM CDTSevere Thunderstorm Warning Considerable damage threatMPXBenton, Mille Lacs, Sherburne, Stearns, Wright40 min
May 9, 8:58 AM CDTSevere Thunderstorm WarningMPXSherburne, Wright32 min
May 9, 9:04 AM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti26 min
May 9, 9:23 AM CDTSevere Thunderstorm WarningMPXIsanti, Mille Lacs, Sherburne37 min
May 9, 9:26 AM CDTSevere Thunderstorm Warning Considerable damage threatMPXAnoka, Hennepin, Sherburne, Wright34 min
May 9, 9:30 AM CDTSevere Thunderstorm WarningMPXChisago, Isanti15 min
May 9, 9:37 AM CDTRiver Flood WarningMPXChippewa, Lac qui Parle, Yellow Medicine38 days
May 9, 9:40 AM CDTSpecial Weather StatementMPXKanabec, Mille Lacs50 min
May 9, 9:53 AM CDTSevere Thunderstorm WarningMPXChisago, Isanti37 min
May 9, 9:57 AM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Washington33 min
May 9, 4:11 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison, Stearns34 min
May 9, 4:20 PM CDTSpecial Weather StatementMPXSherburne25 min
May 9, 4:35 PM CDTTornado WarningMPXBenton, Morrison6 min
May 9, 4:40 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Sherburne, Wright35 min
May 9, 4:42 PM CDTTornado WarningMPXBenton, Mille Lacs, Sherburne33 min
May 9, 4:49 PM CDTSevere Thunderstorm WarningMPXDakota, Rice26 min
May 9, 4:58 PM CDTTornado WarningMPXKanabec, Mille Lacs32 min
May 9, 5:10 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington35 min
May 9, 5:26 PM CDTSpecial Weather StatementMPXKanabec34 min
May 9, 5:54 PM CDTSevere Thunderstorm WarningMPXGoodhue36 min

Nearby

Tornado Warnings in Minnesota, 2022Tornado Warnings in Wisconsin, 2022Every tornado warning in 2022Tornadoes in 2022

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.