Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS Twin Cities, MN

July 13, 2021Brown County, Redwood County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2021, 5:38 PM CDT for Brown County, Redwood County, Renville County, Minnesota. It was in force for 39 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 13, 2021, 5:38 PM CDT (22:38 UTC)
Expired
Jul 13, 2021, 6:17 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Brown County, MN, Redwood County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 22:41 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, 10.6 hours before the alert went out and 105 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 2021-07-13Temperature 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 2021-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
1396 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

623 
WUUS53 KMPX 132238
SVRMPX
MNC015-127-129-132330-
/O.NEW.KMPX.SV.W.0049.210713T2238Z-210713T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
538 PM CDT Tue Jul 13 2021

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Redwood County in southwestern Minnesota...
  North central Brown County in south central Minnesota...
  South central Renville County in central Minnesota...

* Until 630 PM CDT.

* At 537 PM CDT, a severe thunderstorm was located near Morgan, or 12
  miles southeast of Redwood Falls, moving south at 15 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Morgan around 550 PM CDT.

Other locations in the path of this severe thunderstorm include
Sleepy Eye.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in the Twin Cities.

&&

LAT...LON 4429 9496 4452 9502 4455 9478 4446 9470
      4446 9478 4445 9478 4445 9474 4443 9469
      4440 9467 4440 9466 4430 9458
TIME...MOT...LOC 2237Z 349DEG 14KT 4447 9489 

HAIL...1.25IN
WIND...<50MPH
 
$$

JLT
4 follow-up statements
335 
WWUS53 KMPX 132247
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
547 PM CDT Tue Jul 13 2021

MNC129-132256-
/O.CAN.KMPX.SV.W.0049.000000T0000Z-210713T2330Z/
Renville MN-
547 PM CDT Tue Jul 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL RENVILLE 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 4429 9496 4452 9502 4453 9498 4447 9481
      4445 9478 4445 9474 4443 9469 4439 9467
      4440 9466 4430 9458
TIME...MOT...LOC 2246Z 349DEG 14KT 4443 9488 

$$

MNC015-127-132330-
/O.CON.KMPX.SV.W.0049.000000T0000Z-210713T2330Z/
Redwood MN-Brown MN-
547 PM CDT Tue Jul 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EAST CENTRAL REDWOOD AND NORTH CENTRAL BROWN COUNTIES...

At 546 PM CDT, a severe thunderstorm was located over Morgan, or 13
miles southeast of Redwood Falls, moving south at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Sleepy Eye.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Twin Cities.

&&

LAT...LON 4429 9496 4452 9502 4453 9498 4447 9481
      4445 9478 4445 9474 4443 9469 4439 9467
      4440 9466 4430 9458
TIME...MOT...LOC 2246Z 349DEG 14KT 4443 9488 

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

JLT
465 
WWUS53 KMPX 132258
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
558 PM CDT Tue Jul 13 2021

MNC015-127-132330-
/O.CON.KMPX.SV.W.0049.000000T0000Z-210713T2330Z/
Redwood MN-Brown MN-
558 PM CDT Tue Jul 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EAST CENTRAL REDWOOD AND NORTH CENTRAL BROWN COUNTIES...

At 557 PM CDT, a severe thunderstorm was located near Morgan, or 16
miles southeast of Redwood Falls, moving south at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Sleepy Eye, Morgan, Evan and Essig. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Twin Cities.

&&

LAT...LON 4429 9496 4452 9502 4453 9498 4447 9481
      4445 9478 4445 9474 4443 9469 4439 9467
      4440 9466 4430 9458
TIME...MOT...LOC 2257Z 349DEG 14KT 4438 9487 

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

JLT
260 
WWUS53 KMPX 132311
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
611 PM CDT Tue Jul 13 2021

MNC015-132320-
/O.CAN.KMPX.SV.W.0049.000000T0000Z-210713T2330Z/
Brown MN-
611 PM CDT Tue Jul 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BROWN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened and 
moved out of the warned area. Therefore, the warning has been 
cancelled.

LAT...LON 4438 9498 4447 9501 4452 9502 4453 9498
      4449 9487 4436 9487
TIME...MOT...LOC 2310Z 002DEG 4KT 4446 9496 

$$

MNC127-132330-
/O.CON.KMPX.SV.W.0049.000000T0000Z-210713T2330Z/
Redwood MN-
611 PM CDT Tue Jul 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EAST CENTRAL REDWOOD COUNTY...

At 610 PM CDT, a severe thunderstorm was located near Morgan, or 9
miles southeast of Redwood Falls, and is nearly stationary.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Morgan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Twin Cities.

&&

LAT...LON 4438 9498 4447 9501 4452 9502 4453 9498
      4449 9487 4436 9487
TIME...MOT...LOC 2310Z 002DEG 4KT 4446 9496 

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

JLT
477 
WWUS53 KMPX 132317
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
617 PM CDT Tue Jul 13 2021

MNC127-132327-
/O.CAN.KMPX.SV.W.0049.000000T0000Z-210713T2330Z/
Redwood MN-
617 PM CDT Tue Jul 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL REDWOOD COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 4438 9498 4447 9501 4452 9502 4453 9498
      4449 9487 4436 9487
TIME...MOT...LOC 2313Z 349DEG 14KT 4443 9495 

$$

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 4:41 PM CDTSpecial Weather StatementMPXRenville34 min
Jul 13, 5:15 PM CDTSpecial Weather StatementMPXBrown45 min
Jul 13, 5:33 PM CDTSpecial Weather StatementMPXBrown42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2021Every 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.