Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 71, NWS Twin Cities, MN

May 11, 2022Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 11, 2022, 5:55 PM CDT for Brown County, Redwood County, Minnesota. It was in force for 65 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 11, 2022, 5:55 PM CDT (22:55 UTC)
Expired
May 11, 2022, 7:00 PM CDT
In force
65 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Brown County, MN, Redwood County, MN

The radar

The Minneapolis radar (KMPX), 126 km from the middle of the area, began a volume at 22:55 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 11, 6:05 PM CDTTSTM WND DMGSanborn, MNSHED AND POWER LINES DOWN ON WEST SIDE OF SANBORN.

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 11, 1:15 PM CDTTornado WatchSPC8 hr
May 11, 5:27 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 124 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 2022-05-11Temperature 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 2022-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
1699 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

931 
WUUS53 KMPX 112255
SVRMPX
MNC015-127-120000-
/O.NEW.KMPX.SV.W.0071.220511T2255Z-220512T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
555 PM CDT Wed May 11 2022

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Redwood County in southwestern Minnesota...
  Brown County in south central Minnesota...

* Until 700 PM CDT.

* At 555 PM CDT, severe thunderstorms were located along a line
  extending from Tracy to near Lakefield, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Walnut Grove around 610 PM CDT.

Other locations in the path of these severe thunderstorms include
Wabasso and Redwood Falls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

&&

LAT...LON 4434 9559 4463 9519 4457 9509 4452 9487
      4450 9488 4445 9478 4443 9470 4439 9467
      4438 9456 4434 9447 4411 9490 4411 9509
      4420 9510 4420 9560
TIME...MOT...LOC 2255Z 231DEG 20KT 4423 9560 4371 9513 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JRB
5 follow-up statements
018 
WWUS53 KMPX 112304
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
604 PM CDT Wed May 11 2022

MNC015-127-120000-
/O.CON.KMPX.SV.W.0071.000000T0000Z-220512T0000Z/
Redwood MN-Brown MN-
604 PM CDT Wed May 11 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR REDWOOD AND BROWN COUNTIES...

At 604 PM CDT, severe thunderstorms were located along a line
extending from 8 miles west of Wabasso to Mountain Lake, moving
northeast at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
  Comfrey, Redwood Falls and New Ulm.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4434 9559 4463 9519 4457 9509 4452 9487
      4450 9488 4445 9478 4443 9470 4439 9467
      4438 9456 4434 9447 4411 9490 4411 9509
      4420 9510 4420 9560
TIME...MOT...LOC 2304Z 219DEG 39KT 4444 9541 4392 9494 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JRB
575 
WWUS53 KMPX 112321
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
621 PM CDT Wed May 11 2022

MNC015-127-120000-
/O.CON.KMPX.SV.W.0071.000000T0000Z-220512T0000Z/
Redwood MN-Brown MN-
621 PM CDT Wed May 11 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR REDWOOD AND BROWN COUNTIES...

At 621 PM CDT, severe thunderstorms were located along a line
extending from 7 miles north of Wabasso to near Butterfield, moving
northeast at 25 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
New Ulm, Redwood Falls, Sleepy Eye, Springfield, Morgan, Lamberton,
Wabasso, Franklin, Morton, Comfrey, Sanborn and Lucan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4434 9559 4463 9519 4457 9509 4452 9487
      4450 9488 4445 9478 4443 9470 4439 9467
      4438 9456 4434 9447 4411 9490 4411 9509
      4420 9510 4420 9536 4426 9539
TIME...MOT...LOC 2321Z 231DEG 20KT 4450 9531 4398 9484 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

JRB
189 
WWUS53 KMPX 112334
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
634 PM CDT Wed May 11 2022

MNC015-127-120000-
/O.CON.KMPX.SV.W.0071.000000T0000Z-220512T0000Z/
Redwood MN-Brown MN-
634 PM CDT Wed May 11 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR CENTRAL REDWOOD AND BROWN COUNTIES...

At 633 PM CDT, severe thunderstorms were located along a line
extending from 6 miles north of Redwood Falls to 8 miles west of
Hanska, moving northeast at 45 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
New Ulm, Redwood Falls, Sleepy Eye, Springfield, Morgan, Wabasso,
Franklin, Morton, Comfrey, Sanborn, Clements and Seaforth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4463 9519 4457 9509 4452 9487 4450 9488
      4445 9478 4443 9470 4439 9467 4438 9456
      4434 9447 4411 9490 4411 9509 4420 9510
      4420 9524 4434 9531 4446 9543
TIME...MOT...LOC 2333Z 237DEG 39KT 4463 9512 4411 9465 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

BPH
281 
WWUS53 KMPX 112344
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
644 PM CDT Wed May 11 2022

MNC015-127-120000-
/O.CON.KMPX.SV.W.0071.000000T0000Z-220512T0000Z/
Redwood MN-Brown MN-
644 PM CDT Wed May 11 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR EASTERN REDWOOD AND CENTRAL BROWN COUNTIES...

At 644 PM CDT, severe thunderstorms were located along a line
extending from 8 miles north of Redwood Falls to 5 miles west of
Hanska, moving east at 25 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
New Ulm, Redwood Falls, Sleepy Eye, Springfield, Morgan, Franklin,
Morton, Comfrey, Clements, Evan, Delhi and Cobden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4463 9519 4457 9509 4452 9487 4450 9488
      4445 9478 4443 9470 4439 9467 4438 9456
      4434 9447 4411 9490 4411 9492 4423 9498
      4430 9502 4442 9512 4454 9532
TIME...MOT...LOC 2344Z 270DEG 20KT 4466 9507 4414 9460 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

JRB
649 
WWUS53 KMPX 112357
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
657 PM CDT Wed May 11 2022

MNC015-127-120007-
/O.EXP.KMPX.SV.W.0071.000000T0000Z-220512T0000Z/
Redwood MN-Brown MN-
657 PM CDT Wed May 11 2022

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN REDWOOD AND CENTRAL
BROWN COUNTIES WILL EXPIRE AT 700 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

A Tornado Watch remains in effect until midnight CDT for south
central, central and southwestern Minnesota.

LAT...LON 4463 9519 4457 9509 4452 9487 4450 9488
      4445 9478 4443 9470 4439 9467 4438 9456
      4434 9447 4411 9490 4411 9492 4423 9498
      4430 9502 4442 9512 4454 9532
TIME...MOT...LOC 2357Z 231DEG 20KT 4470 9501 4418 9454 

$$

BPH

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 5:32 AM CDTSpecial Weather StatementMPXNicollet28 min
May 11, 5:48 AM CDTSpecial Weather StatementMPXWaseca27 min
May 11, 6:10 AM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Waseca35 min
May 11, 6:32 AM CDTSpecial Weather StatementMPXSteele28 min
May 11, 6:41 AM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott34 min
May 11, 7:00 AM CDTSpecial Weather StatementMPXSteele30 min
May 11, 7:13 AM CDTSevere Thunderstorm WarningMPXDakota, Scott10 min
May 11, 7:29 AM CDTSpecial Weather StatementMPXDodge31 min
May 11, 7:36 AM CDTSpecial Weather StatementMPXWaseca84 min
May 11, 8:02 AM CDTSevere Thunderstorm WarningMPXGoodhue28 min
May 11, 8:10 AM CDTSpecial Weather StatementMPXRice35 min
May 11, 8:29 AM CDTSevere Thunderstorm WarningMPXGoodhue31 min
May 11, 8:45 AM CDTSpecial Weather StatementMPXSteele60 min
May 11, 9:22 AM CDTSpecial Weather StatementMPXGoodhue53 min
May 11, 10:20 AM CDTRiver Flood WarningMPXGoodhue26 hr
May 11, 11:23 AM CDTSpecial Weather StatementMPXMeeker37 min
May 11, 11:44 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns33 min
May 11, 11:45 AM CDTSpecial Weather StatementMPXTodd30 min
May 11, 11:56 AM CDTSevere Thunderstorm Warning Considerable damage threatMPXYellow Medicine49 min
May 11, 12:10 PM CDTSpecial Weather StatementMPXWright50 min
May 11, 12:16 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Wright44 min
May 11, 12:30 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine45 min
May 11, 12:37 PM CDTSevere Thunderstorm WarningMPXChippewa, Renville, Yellow Medicine23 min
May 11, 12:41 PM CDTSpecial Weather StatementMPXHennepin49 min
May 11, 12:58 PM CDTSpecial Weather StatementMPXRedwood32 min
May 11, 1:00 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan45 min
May 11, 1:16 PM CDTSpecial Weather StatementMPXRenville29 min
May 11, 1:24 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville36 min
May 11, 1:31 PM CDTTornado WarningMPXMartin, Watonwan29 min
May 11, 1:39 PM CDTSpecial Weather StatementMPXSherburne, Wright51 min
May 11, 2:26 PM CDTSpecial Weather StatementMPXMeeker49 min
May 11, 2:39 PM CDTSpecial Weather StatementMPXIsanti66 min
May 11, 3:03 PM CDTSevere Thunderstorm WarningMPXMeeker, Stearns, Wright42 min
May 11, 3:18 PM CDTSevere Thunderstorm WarningMPXIsanti, Mille Lacs, Sherburne42 min
May 11, 3:57 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti, Kanabec, Mille Lacs, Sherburne63 min
May 11, 4:47 PM CDTSpecial Weather StatementMPXRedwood28 min
May 11, 5:04 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville26 min
May 11, 5:23 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine38 min
May 11, 5:25 PM CDTSpecial Weather StatementMPXRenville35 min
May 11, 5:51 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine39 min
May 11, 5:54 PM CDTSpecial Weather StatementMPXMcLeod, Sibley36 min
May 11, 6:11 PM CDTTornado WarningMPXBrown, Redwood34 min
May 11, 6:16 PM CDTSevere Thunderstorm WarningMPXBrown, Watonwan44 min
May 11, 6:17 PM CDTSevere Thunderstorm WarningMPXRenville43 min
May 11, 6:24 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker36 min
May 11, 6:28 PM CDTSevere Thunderstorm Warning Considerable damage threatMPXMartin62 min
May 11, 6:29 PM CDTTornado WarningMPXBrown, Watonwan46 min
May 11, 6:31 PM CDTSevere Thunderstorm Warning Considerable damage threatMPXNicollet, Renville, Sibley59 min
May 11, 6:35 PM CDTTornado WarningMPXRenville40 min
May 11, 6:40 PM CDTTornado WarningMPXNicollet, Sibley50 min
May 11, 6:52 PM CDTSevere Thunderstorm Warning Considerable damage threatMPXBlue Earth, Brown, Nicollet, Watonwan53 min
May 11, 6:53 PM CDTTornado WarningMPXMartin, Watonwan37 min
May 11, 6:59 PM CDTTornado Warning Tornado observedMPXMcLeod, Renville, Sibley46 min

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.