Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 24, NWS Sioux Falls, SD

June 16, 2021Murray County, Nobles County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 16, 2021, 7:15 PM CDT for Murray County, Nobles County, Minnesota. It was in force for 30 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
Jun 16, 2021, 7:15 PM CDT (00:15 UTC)
Expired
Jun 16, 2021, 7:45 PM CDT
In force
30 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Murray County, MN, Nobles County, MN

The radar

The Sioux Falls radar (KFSD), 73 km from the middle of the area, began a volume at 00:18 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
Jun 16, 7:18 PM CDTHAIL 0.752 W Wilmont, MNDELAYED REPORT. ALSO GOT 0.8 INCHES OF RAIN. TIME ESTIMATED OFF RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.3 hours before the alert went out and 216 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 2021-06-17Temperature 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 00:00Z on 2021-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2464 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

152 
WUUS53 KFSD 170015
SVRFSD
MNC101-105-170045-
/O.NEW.KFSD.SV.W.0024.210617T0015Z-210617T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
715 PM CDT Wed Jun 16 2021

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for...
  Central Nobles County in southwestern Minnesota...
  South central Murray County in southwestern Minnesota...

* Until 745 PM CDT.

* At 715 PM CDT, a severe thunderstorm was located near Wilmont, or
  13 miles south of Slayton, moving south at 35 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.

* This severe thunderstorm will be near...
  Rushmore around 735 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4388 9598 4391 9583 4359 9557 4352 9589
TIME...MOT...LOC 0015Z 338DEG 32KT 4381 9584 

HAIL...1.00IN
WIND...60MPH
 
$$

APT
2 follow-up statements
415 
WWUS53 KFSD 170025
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
725 PM CDT Wed Jun 16 2021

MNC101-170035-
/O.CAN.KFSD.SV.W.0024.000000T0000Z-210617T0045Z/
Murray MN-
725 PM CDT Wed Jun 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MURRAY 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 4380 9592 4384 9577 4359 9557 4352 9589
TIME...MOT...LOC 0025Z 338DEG 32KT 4373 9579 

$$

MNC105-170045-
/O.CON.KFSD.SV.W.0024.000000T0000Z-210617T0045Z/
Nobles MN-
725 PM CDT Wed Jun 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL NOBLES COUNTY...

At 725 PM CDT, a severe thunderstorm was located near Wilmont, or 11
miles northwest of Worthington, moving south at 35 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.

This severe storm will be near...
  Rushmore around 735 PM CDT.
  Worthington around 740 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4380 9592 4384 9577 4359 9557 4352 9589
TIME...MOT...LOC 0025Z 338DEG 32KT 4373 9579 

HAIL...1.00IN
WIND...60MPH
 
$$

APT
119 
WWUS53 KFSD 170041
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
741 PM CDT Wed Jun 16 2021

MNC105-170050-
/O.EXP.KFSD.SV.W.0024.000000T0000Z-210617T0045Z/
Nobles MN-
741 PM CDT Wed Jun 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NOBLES COUNTY WILL
EXPIRE AT 745 PM CDT...
                
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 will be allowed to expire. However heavy rain 
is still possible with this thunderstorm, as isolated locations 
could receive a total of 1 to 2 inches of rain.

LAT...LON 4380 9592 4384 9577 4359 9557 4352 9589
TIME...MOT...LOC 0040Z 338DEG 32KT 4362 9573 

$$

APT

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.