Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Sioux Falls, SD

June 16, 2021Murray County, Nobles County, Pipestone County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 16, 2021, 6:51 PM CDT for Murray County, Nobles County, Pipestone County, Minnesota. It was in force for 24 min. 3 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
Jun 16, 2021, 6:51 PM CDT (23:51 UTC)
Expired
Jun 16, 2021, 7:15 PM CDT
In force
24 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Murray County, MN, Nobles County, MN, Pipestone County, MN

The radar

The Sioux Falls radar (KFSD), 80 km from the middle of the area, began a volume at 23:51 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, 6:57 PM CDTHAIL 1Lake Wilson, MNMOSTLY DIME SIZED HAIL, BUT A FEW STONES AS BIG AS QUARTERS.
Jun 16, 7:07 PM CDTHAIL 13 S Chandler, MN
Jun 16, 7:11 PM CDTHAIL 0.886 Nnw Wilmont, MN

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 12:00Z, 11.9 hours before the alert went out and 206 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 2021-06-16Temperature 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 2021-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1541 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

257 
WUUS53 KFSD 162351
SVRFSD
MNC101-105-117-170015-
/O.NEW.KFSD.SV.W.0023.210616T2351Z-210617T0015Z/

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

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for...
  Northwestern Nobles County in southwestern Minnesota...
  Western Murray County in southwestern Minnesota...
  East central Pipestone County in southwestern Minnesota...

* Until 715 PM CDT.

* At 650 PM CDT, a severe thunderstorm was located over Lake Wilson,
  or 9 miles west of Slayton, moving southeast at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Slayton and Chandler around 700 PM CDT.

Other locations impacted by this severe thunderstorm include Hadley
and Iona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4416 9589 4384 9563 4378 9604 4409 9612
TIME...MOT...LOC 2350Z 334DEG 30KT 4404 9594 

HAIL...1.00IN
WIND...<50MPH
 
$$

APT
1 follow-up statement
476 
WWUS53 KFSD 170004
SVSFSD

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

MNC117-170014-
/O.CAN.KFSD.SV.W.0023.000000T0000Z-210617T0015Z/
Pipestone MN-
704 PM CDT Wed Jun 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PIPESTONE 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 4408 9583 4384 9563 4378 9604 4400 9605
TIME...MOT...LOC 0004Z 334DEG 30KT 4393 9587 

$$

MNC101-105-170015-
/O.CON.KFSD.SV.W.0023.000000T0000Z-210617T0015Z/
Nobles MN-Murray MN-
704 PM CDT Wed Jun 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHWESTERN NOBLES AND SOUTHWESTERN MURRAY COUNTIES...

At 704 PM CDT, a severe thunderstorm was located near Chandler, or
near Slayton, moving southeast at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of
northwestern Nobles and southwestern Murray Counties, including the
following locations... Hadley and Iona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4408 9583 4384 9563 4378 9604 4400 9605
TIME...MOT...LOC 0004Z 334DEG 30KT 4393 9587 

HAIL...1.00IN
WIND...<50MPH
 
$$

APT

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 6:31 PM CDTSevere Thunderstorm WarningFSDNobles29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.