Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Aberdeen, SD

May 14, 2021Big Stone County, Minnesota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 14, 2021, 5:28 PM CDT for Big Stone County, Minnesota. It was in force for 62 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: May 14, 2021, 5:28 PM CDT (22:28 UTC)
Expired: May 14, 2021, 6:30 PM CDT
In force: 62 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Big Stone County, MN

The radar

The Aberdeen radar (KABR), 172 km from the middle of the area, began a volume at 22:29 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 14, 5:39 PM CDT	HAIL 0.88	2 Sse Clinton, MN

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.5 hours before the alert went out and 176 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1771 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

683 
WUUS53 KABR 142228
SVRABR
MNC011-142330-
/O.NEW.KABR.SV.W.0001.210514T2228Z-210514T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
528 PM CDT Fri May 14 2021

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Southeastern Big Stone County in west central Minnesota...

* Until 630 PM CDT.

* At 528 PM CDT, a severe thunderstorm was located near Lagoona
  Beach, or near Ortonville, moving southeast at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Odessa, Artichoke, Artichoke Lake and Correll.

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 Aberdeen.

&&

LAT...LON 4520 9614 4519 9616 4520 9619 4522 9622
      4522 9627 4525 9629 4525 9633 4537 9648
      4546 9646 4543 9624 4541 9624 4541 9612
      4524 9612 4522 9610 4518 9611
TIME...MOT...LOC 2228Z 294DEG 14KT 4540 9642 

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

Dorn

3 follow-up statements

645 
WWUS53 KABR 142247
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
547 PM CDT Fri May 14 2021

MNC011-142330-
/O.CON.KABR.SV.W.0001.000000T0000Z-210514T2330Z/
Big Stone MN-
547 PM CDT Fri May 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN BIG STONE COUNTY...

At 547 PM CDT, a severe thunderstorm was located near Ortonville,
moving southeast at 15 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Odessa, Artichoke, Correll and Artichoke Lake. 

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
Aberdeen.

&&

LAT...LON 4520 9614 4519 9616 4520 9619 4522 9622
      4522 9627 4525 9629 4525 9633 4535 9639
      4542 9638 4543 9624 4541 9624 4541 9612
      4524 9612 4522 9610 4518 9611
TIME...MOT...LOC 2247Z 299DEG 14KT 4536 9633 

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

Dorn

929 
WWUS53 KABR 142313
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
613 PM CDT Fri May 14 2021

MNC011-142330-
/O.CON.KABR.SV.W.0001.000000T0000Z-210514T2330Z/
Big Stone MN-
613 PM CDT Fri May 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN BIG STONE COUNTY...

At 613 PM CDT, a severe thunderstorm was located over Correll, or 12
miles east of Ortonville, moving southeast at 15 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Correll and Artichoke Lake. 

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
Aberdeen.

&&

LAT...LON 4520 9614 4519 9616 4520 9619 4522 9622
      4524 9624 4526 9625 4531 9627 4533 9612
      4524 9612 4522 9610 4518 9611
TIME...MOT...LOC 2313Z 299DEG 14KT 4526 9620 

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

Dorn

768 
WWUS53 KABR 142325
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
625 PM CDT Fri May 14 2021

MNC011-142334-
/O.EXP.KABR.SV.W.0001.000000T0000Z-210514T2330Z/
Big Stone MN-
625 PM CDT Fri May 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BIG STONE COUNTY
WILL EXPIRE AT 630 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 small hail
and heavy rain are still possible with this thunderstorm.

LAT...LON 4520 9614 4519 9616 4520 9619 4522 9622
      4524 9624 4526 9625 4531 9627 4533 9612
      4524 9612 4522 9610 4518 9611
TIME...MOT...LOC 2324Z 294DEG 14KT 4525 9616 

$$

Dorn

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 4:30 PM CDT	Special Weather Statement	ABR	Big Stone	60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.