Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Twin Cities, MN

July 14, 2021Faribault County, Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 14, 2021, 8:11 AM CDT for Faribault County, Martin County, Minnesota. It was in force for 64 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: Jul 14, 2021, 8:11 AM CDT (13:11 UTC)
Expired: Jul 14, 2021, 9:15 AM CDT
In force: 64 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Faribault County, MN, Martin County, MN

The radar

The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 13:14 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.2 hours before the alert went out and 141 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: 2820 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1084 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted.

581 
WUUS53 KMPX 141311
SVRMPX
MNC043-091-141415-
/O.NEW.KMPX.SV.W.0050.210714T1311Z-210714T1415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
811 AM CDT Wed Jul 14 2021

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Faribault County in south central Minnesota...
  Southeastern Martin County in south central Minnesota...

* Until 915 AM CDT.

* At 811 AM CDT, a severe thunderstorm was located 8 miles southwest
  of Elmore, or 17 miles southeast of Fairmont, moving northeast at
  50 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Elmore around 820 AM CDT.
  Blue Earth and Frost around 825 AM CDT.

Other locations in the path of this severe thunderstorm include
Easton, Delavan, Wells and Minnesota Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4350 9444 4385 9412 4384 9365 4351 9364
      4350 9365
TIME...MOT...LOC 1311Z 218DEG 57KT 4344 9423 

HAIL...0.75IN
WIND...60MPH
 
$$

BPH

4 follow-up statements

192 
WWUS53 KMPX 141329
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
829 AM CDT Wed Jul 14 2021

MNC043-091-141415-
/O.CON.KMPX.SV.W.0050.000000T0000Z-210714T1415Z/
Faribault MN-Martin MN-
829 AM CDT Wed Jul 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR FARIBAULT AND SOUTHEASTERN MARTIN COUNTIES...

At 828 AM CDT, a severe thunderstorm was located near Frost, or 22
miles east of Fairmont, moving northeast at 50 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Easton, Wells and Minnesota Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4350 9444 4385 9412 4384 9365 4351 9364
      4350 9365
TIME...MOT...LOC 1328Z 224DEG 45KT 4358 9402 

HAIL...0.75IN
WIND...60MPH
 
$$

BPH

380 
WWUS53 KMPX 141351
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
851 AM CDT Wed Jul 14 2021

MNC091-141401-
/O.CAN.KMPX.SV.W.0050.000000T0000Z-210714T1415Z/
Martin MN-
851 AM CDT Wed Jul 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARTIN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4350 9425 4371 9425 4385 9412 4384 9365
      4351 9364 4350 9365
TIME...MOT...LOC 1351Z 217DEG 47KT 4376 9382 

$$

MNC043-141415-
/O.CON.KMPX.SV.W.0050.000000T0000Z-210714T1415Z/
Faribault MN-
851 AM CDT Wed Jul 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR FARIBAULT COUNTY...

At 851 AM CDT, a severe thunderstorm was located near Easton, or 23
miles west of Albert Lea, moving northeast at 50 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Blue Earth, Wells, Winnebago, Minnesota Lake, Elmore, Bricelyn,
Easton, Frost, Delavan, Kiester, Brush Creek and Walters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4350 9425 4371 9425 4385 9412 4384 9365
      4351 9364 4350 9365
TIME...MOT...LOC 1351Z 217DEG 47KT 4376 9382 

HAIL...0.75IN
WIND...60MPH
 
$$

BPH

313 
WWUS53 KMPX 141402
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
902 AM CDT Wed Jul 14 2021

MNC043-141415-
/O.CON.KMPX.SV.W.0050.000000T0000Z-210714T1415Z/
Faribault MN-
902 AM CDT Wed Jul 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR FARIBAULT COUNTY...

At 901 AM CDT, a severe thunderstorm was located near Wells, or 21
miles northwest of Albert Lea, moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Blue Earth, Wells, Winnebago, Minnesota Lake, Bricelyn, Easton,
Frost, Delavan, Kiester, Brush Creek, Walters and Baroda.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4350 9383 4371 9422 4385 9412 4384 9365
      4351 9364 4350 9365
TIME...MOT...LOC 1401Z 218DEG 49KT 4380 9375 

HAIL...<.75IN
WIND...60MPH
 
$$

BPH

266 
WWUS53 KMPX 141410
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
910 AM CDT Wed Jul 14 2021

MNC043-141419-
/O.EXP.KMPX.SV.W.0050.000000T0000Z-210714T1415Z/
Faribault MN-
910 AM CDT Wed Jul 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR FARIBAULT COUNTY WILL EXPIRE
AT 915 AM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 300 PM CDT for
south central Minnesota.

LAT...LON 4350 9383 4371 9422 4385 9412 4384 9365
      4351 9364 4350 9365
TIME...MOT...LOC 1409Z 218DEG 57KT 4385 9370 

$$

BPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 8:42 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn	33 min
Jul 14, 9:08 AM CDT	Special Weather Statement	MPX	Freeborn, Steele, Waseca	52 min
Jul 14, 2:46 PM CDT	Special Weather Statement	MPX	Hennepin	89 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2021 Every severe thunderstorm warning 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.