Alert archive / Minnesota / Tornado Warnings in 2024

Tornado Warning 1, NWS Twin Cities, MN

May 21, 2024Blue Earth County, Faribault County, Martin County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 21, 2024, 3:59 PM CDT for Blue Earth County, Faribault County, Martin County, Minnesota. It was in force for 46 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 21, 2024, 3:59 PM CDT (20:59 UTC)
Expired: May 21, 2024, 4:45 PM CDT
In force: 46 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Blue Earth County, MN, Faribault County, MN, Martin County, MN

The radar

The Minneapolis radar (KMPX), 127 km from the middle of the area, began a volume at 20:59 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

Time	Report	Where	Remark
May 21, 4:20 PM CDT	FUNNEL CLOUD	2 W Mapleton, MN	Funnel Cloud photo shared via social media 2 miles W of Mapleton. Will need to verify if tornado made contact with the ground.
May 21, 4:20 PM CDT	FUNNEL CLOUD	2 W Mapleton, MN	Funnel Cloud photo shared via social media 2 miles W of Mapleton. Will need to verify if tornado made contact with the ground.

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.

Issued	Product	Office	Lasted
May 21, 1:14 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 125 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: 67 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 840 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

460 
WFUS53 KMPX 212059
TORMPX
MNC013-043-091-212145-
/O.NEW.KMPX.TO.W.0001.240521T2059Z-240521T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
359 PM CDT Tue May 21 2024

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Northwestern Faribault County in south central Minnesota...
  Northeastern Martin County in south central Minnesota...
  Southern Blue Earth County in south central Minnesota...

* Until 445 PM CDT.

* At 359 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles southeast of Truman, or 8 miles northeast of
  Fairmont, 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...
  Amboy around 410 PM CDT.
  Vernon Center around 415 PM CDT.
  Good Thunder around 425 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Imogene, Garden City, Granada, and Northrop.

This includes the following highways...
 Interstate 90 between mile markers 105 and 111.
 U.S. Highway 169 between mile markers 19 and 43.

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 4371 9449 4385 9440 4385 9436 4389 9437
      4412 9421 4399 9387 4363 9430
TIME...MOT...LOC 2059Z 216DEG 41KT 4374 9436 

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

$$

Borghoff

2 follow-up statements

737 
WWUS53 KMPX 212116
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
416 PM CDT Tue May 21 2024

MNC043-091-212126-
/O.CAN.KMPX.TO.W.0001.000000T0000Z-240521T2145Z/
Faribault MN-Martin MN-
416 PM CDT Tue May 21 2024

...THE TORNADO WARNING FOR NORTHWESTERN FARIBAULT AND NORTHEASTERN
MARTIN COUNTIES IS CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for south central
Minnesota.

&&

LAT...LON 4387 9433 4410 9414 4400 9388 4399 9388
      4384 9408 4385 9419
TIME...MOT...LOC 2116Z 217DEG 41KT 4389 9418 

$$

MNC013-212145-
/O.CON.KMPX.TO.W.0001.000000T0000Z-240521T2145Z/
Blue Earth MN-
416 PM CDT Tue May 21 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTHERN
BLUE EARTH COUNTY...

At 416 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Amboy, or 21 miles southwest of Mankato, 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...
  Amboy and Vernon Center around 420 PM CDT.
  Good Thunder around 425 PM CDT.

Other locations impacted by this tornadic thunderstorm include Garden
City.

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 4387 9433 4410 9414 4400 9388 4399 9388
      4384 9408 4385 9419
TIME...MOT...LOC 2116Z 217DEG 41KT 4389 9418 

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

$$

Borghoff

679 
WWUS53 KMPX 212137
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
437 PM CDT Tue May 21 2024

MNC013-212147-
/O.EXP.KMPX.TO.W.0001.000000T0000Z-240521T2145Z/
Blue Earth MN-
437 PM CDT Tue May 21 2024

...THE TORNADO WARNING FOR SOUTHERN BLUE EARTH COUNTY WILL EXPIRE AT
445 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for south central
Minnesota.

&&

LAT...LON 4387 9433 4410 9414 4400 9388 4399 9388
      4384 9408 4385 9419
TIME...MOT...LOC 2137Z 216DEG 41KT 4408 9398 

$$

Borghoff

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 8:01 PM CDT	Special Weather Statement	MPX	Goodhue	29 min
May 20, 8:30 PM CDT	Special Weather Statement	MPX	Goodhue	30 min
May 20, 9:08 PM CDT	River Flood Warning	MPX	Redwood, Renville	25 hr
May 20, 9:37 PM CDT	Special Weather Statement	MPX	Freeborn	23 min
May 20, 10:45 PM CDT	Special Weather Statement	MPX	Sibley	45 min
May 20, 11:08 PM CDT	Severe Thunderstorm Warning	MPX	Martin	37 min
May 20, 11:24 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Renville, Sibley	36 min
May 20, 11:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Martin	33 min
May 20, 11:50 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville, Sibley	25 min
May 21, 12:18 AM CDT	Severe Thunderstorm Warning	MPX	Rice	27 min
May 21, 12:34 AM CDT	Special Weather Statement	MPX	McLeod	26 min
May 21, 1:27 AM CDT	Special Weather Statement	MPX	Chisago	33 min
May 21, 1:54 AM CDT	Severe Thunderstorm Warning	MPX	Chisago	36 min
May 21, 4:17 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn, Steele, Waseca	43 min
May 21, 4:26 PM CDT	Tornado Warning	MPX	Blue Earth	34 min
May 21, 4:31 PM CDT	Tornado Warning	MPX	Le Sueur, Waseca	33 min
May 21, 4:41 PM CDT	Flash Flood Warning	MPX	Blue Earth, Martin, Nicollet, Watonwan	3 hr
May 21, 4:46 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	44 min
May 21, 4:50 PM CDT	Tornado Warning	MPX	Goodhue, Rice, Steele	40 min
May 21, 4:53 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele	46 min
May 21, 5:20 PM CDT	Tornado Warning	MPX	Dakota, Goodhue	22 min
May 21, 5:21 PM CDT	Special Weather Statement	MPX	Hennepin, Ramsey, Washington	54 min
May 21, 6:34 PM CDT	Special Weather Statement	MPX	Ramsey	56 min

Nearby

Tornado Warnings in Minnesota, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.