Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 121, NWS Twin Cities, MN

May 12, 20227 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 12, 2022, 7:08 PM CDT for 7 counties in Minnesota. It was in force for 67 min. 14 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 12, 2022, 7:08 PM CDT (00:08 UTC)
Expired
May 12, 2022, 8:15 PM CDT
In force
67 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Damage threat
Considerable
Hail
0.75 in
Wind
70.0 mph

Counties Benton County, MN, Meeker County, MN, Morrison County, MN, Sherburne County, MN, Stearns County, MN, Todd County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 00:06 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 12, 7:15 PM CDTTSTM WND DMG7 Ssw Clarissa, MNPICTURE SENT VIA EMAIL OF DESTROYED BARN.
May 12, 7:15 PM CDTTSTM WND GST 671 Wsw Paynesville, MNMEASURED AT PAYNESVILLE AIRPORT.
May 12, 7:30 PM CDTTSTM WND DMG7 Wnw Long Prairie, MNCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 7 WNW LONG PRAIRIE. HOUSE FINE, SHED AND BARN MISSING AT THE MOMENT. TREES AND POWER LINES DOWN ALL OVER THE COUNTY PER THE EM.
May 12, 7:30 PM CDTTSTM WND GST 70Richmond, MNREPORTED FROM STEARNS COUNTY EM.
May 12, 7:33 PM CDTTORNADO2 Ssw Clarissa, MNCORRECTS TIME OF PREVIOUS TORNADO REPORT FROM 2 SSW CLARISSA. HUNDREDS OF TREES WERE UPROOTED OR BROKEN. SEVERAL OUTBUILDINGS LOST ROOFS. THE DAMAGE PATTERN IN THIS PART OF TODD COUNTY WAS VERY COMPLICATED, BUT GROUND AND AERIAL SURVEYS REVEALED A TORNADO MOVE
May 12, 7:37 PM CDTFUNNEL CLOUD2 Ne Waite Park, MNTRAINED SPOTTER REPORTED FUNNEL CLOUD 3 MILES NW OF VETERANS DRIVE AND CO RD 120.
May 12, 7:40 PM CDTTSTM WND DMG3 Nnw Sartell, MNMULTIPLE LARGE TREES UPROOTED ALONG 35TH STREET N JUST WEST OF SARTELL HIGH SCHOOL. PHOTO ON TWITTER.
May 12, 7:45 PM CDTTSTM WND DMG2 S Rice, MNPOWER LINE DOWN ACROSS ROAD. REPORTED VIA TWITTER. INCLUDED PHOTO. TIME ESTIMATED BY RADAR.
May 12, 7:45 PM CDTTSTM WND GST 632 Ssw Maple Lake, MNMESONET STATION EW1587 MAPLE LAKE.
May 12, 7:53 PM CDTTSTM WND GST 616 E St. Cloud, MNASOS STATION KSTC ST. CLOUD AP.
May 12, 7:53 PM CDTTSTM WND GST 61St. Cloud, MN
May 12, 8:01 PM CDTTSTM WND DMG2 S St. Cloud, MN10 INCH DIAMETER TREES BRANCHES DOWN.
May 12, 8:01 PM CDTHAIL 0.252 S St. Cloud, MNCORRECTS PREVIOUS HAIL REPORT TO PEA SIZE.
May 12, 8:01 PM CDTHAIL 12 S St. Cloud, MN

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 12, 5:35 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 104 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 00:00Z on 2022-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1318 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2022-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.193958Sfc1 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
1318 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
2443 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

859 
WUUS53 KMPX 130008
SVRMPX
MNC009-093-097-141-145-153-171-130115-
/O.NEW.KMPX.SV.W.0121.220513T0008Z-220513T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
708 PM CDT Thu May 12 2022

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Western Wright County in central Minnesota...
  Meeker County in central Minnesota...
  Western Benton County in central Minnesota...
  Northwestern Sherburne County in central Minnesota...
  Southern Todd County in central Minnesota...
  Stearns County in central Minnesota...
  Southwestern Morrison County in central Minnesota...

* Until 815 PM CDT.

* At 707 PM CDT, severe thunderstorms were located along a line
  extending from 8 miles northeast of Glenwood to 8 miles northeast
  of Belgrade to near Paynesville to 6 miles south of Grove City,
  moving northeast at 70 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Severe thunderstorms will be near...
  Melrose around 715 PM CDT.
  St. Anthony, Freeport and Lake Osakis around 720 PM CDT.
  Collegeville, Albany, Avon, Watkins and Grey Eagle around 725 PM 
  CDT.
  Long Prairie, Kimball, Holdingford, Upsala and Swanville around 
  730 PM CDT.
  Rockville, Browerville, Clarissa, Bowlus and Flensburg around 735 
  PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows! 

A Tornado Watch remains in effect until midnight CDT for central and 
west central Minnesota.

&&

LAT...LON 4602 9432 4570 9404 4498 9395 4498 9450
      4489 9451 4489 9476 4541 9477 4542 9481
      4552 9489 4561 9514 4617 9514
TIME...MOT...LOC 0007Z 220DEG 60KT 4571 9523 4555 9488 4542 9478 4507
9464

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Borghoff
2 follow-up statements
972 
WWUS53 KMPX 130025
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
725 PM CDT Thu May 12 2022

MNC009-093-097-141-145-153-171-130115-
/O.CON.KMPX.SV.W.0121.000000T0000Z-220513T0115Z/
Wright MN-Meeker MN-Benton MN-Sherburne MN-Todd MN-Stearns MN-
Morrison MN-
725 PM CDT Thu May 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WESTERN WRIGHT...MEEKER...WESTERN BENTON...NORTHWESTERN
SHERBURNE...SOUTHERN TODD...STEARNS AND SOUTHWESTERN MORRISON
COUNTIES...

At 724 PM CDT, severe thunderstorms were located along a line
extending from near Long Prairie to near Upsala to near Avon to
Dassel, moving northeast at 75 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe storms will be near...
  Waite Park, St. Joseph, Collegeville, Holdingford and Upsala 
  around 730 PM CDT.
  Sartell, Annandale, Browerville and Flensburg around 735 PM CDT.
  Little Falls, Maple Lake, Royalton and Rice around 740 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows.

A Tornado Watch remains in effect until midnight CDT for central and 
west central Minnesota.
 
&&

LAT...LON 4602 9432 4570 9404 4498 9395 4498 9450
      4489 9451 4489 9476 4541 9477 4542 9481
      4552 9489 4561 9514 4617 9514
TIME...MOT...LOC 0024Z 225DEG 64KT 4593 9495 4577 9460 4556 9443 4506
9430

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Borghoff
956 
WWUS53 KMPX 130054
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
754 PM CDT Thu May 12 2022

MNC009-093-097-141-145-153-171-130115-
/O.CON.KMPX.SV.W.0121.000000T0000Z-220513T0115Z/
Wright MN-Meeker MN-Benton MN-Sherburne MN-Todd MN-Stearns MN-
Morrison MN-
754 PM CDT Thu May 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WESTERN WRIGHT...EASTERN MEEKER...WESTERN BENTON...NORTHWESTERN
SHERBURNE...SOUTHERN TODD...EASTERN STEARNS AND SOUTHWESTERN MORRISON
COUNTIES...

At 753 PM CDT, severe thunderstorms were located along a line
extending from 9 miles south of Motley to near Camp Ripley to 5 miles
east of Royalton to 5 miles south of Clearwater, moving northeast at
65 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe thunderstorms will remain over mainly rural areas of
western Wright, eastern Meeker, western Benton, northwestern
Sherburne, southern Todd, eastern Stearns and southwestern Morrison
Counties, including the following locations... Mayhew, Sobieski, St
Augusta, Opole, Burtrum, Pleasant Lake, Smith Lake, Clotho, Darwin
and Little Falls Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for central
Minnesota.

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows.
 
&&

LAT...LON 4602 9432 4570 9404 4498 9395 4498 9450
      4562 9455 4584 9474 4597 9514 4617 9514
TIME...MOT...LOC 0053Z 222DEG 56KT 4620 9470 4604 9435 4583 9418 4533
9405

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Borghoff

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:00 PM CDTSevere Thunderstorm Warning Destructive damage threatMPXChippewa, Douglas, Kandiyohi, Pope, Stevens, Swift45 min
May 12, 7:02 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Watonwan58 min
May 12, 7:09 PM CDTTornado WarningMPXDouglas21 min
May 12, 7:14 PM CDTTornado WarningMPXKandiyohi, Stearns16 min
May 12, 7:31 PM CDTSevere Thunderstorm Warning Considerable damage threatMPXMorrison, Todd44 min
May 12, 7:32 PM CDTTornado WarningMPXTodd13 min
May 12, 7:36 PM CDTTornado WarningMPXMorrison, Stearns9 min
May 12, 7:44 PM CDTTornado WarningMPXBenton, Morrison, Stearns16 min
May 12, 7:45 PM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Hennepin, McLeod, Meeker, Scott and 3 more60 min
May 12, 7:48 PM CDTSevere Thunderstorm WarningMPXBenton, Isanti, Mille Lacs, Sherburne57 min
May 12, 7:55 PM CDTTornado WarningMPXBenton, Morrison20 min
May 12, 7:56 PM CDTTornado WarningMPXMorrison19 min
May 12, 8:03 PM CDTTornado WarningMPXMorrison12 min
May 12, 8:06 PM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs, Morrison54 min
May 12, 8:25 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Dakota, Ramsey, Washington39 min
May 12, 8:35 PM CDTSpecial Weather StatementMPXMorrison85 min
May 12, 8:54 PM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine36 min
May 12, 9:03 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood27 min
May 12, 9:17 PM CDTSpecial Weather StatementMPXChippewa28 min
May 12, 10:17 PM CDTSpecial Weather StatementMPXBenton28 min
May 13, 3:07 AM CDTRiver Flood WarningMPXMille Lacs11 hr
May 13, 9:11 AM CDTRiver Flood WarningMPXSherburne, Stearns, Wright21 days
May 13, 9:13 AM CDTRiver Flood WarningMPXStearns21 days
May 13, 9:18 AM CDTRiver Flood WarningMPXTodd67 hr
May 13, 1:53 PM CDTRiver Flood WarningMPXKanabec58 hr
May 13, 2:50 PM CDTRiver Flood WarningMPXAnoka, Hennepin21 days

Nearby

Severe Thunderstorm Warnings in Minnesota, 2022Every severe thunderstorm warning 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.