Alert archive / South Dakota / Tornado Warnings in 2020

Tornado Warning 5, NWS Sioux Falls, SD

June 8, 2020Hutchinson County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 8, 2020, 10:25 PM CDT for Hutchinson County, South Dakota. It was in force for 35 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 8, 2020, 10:25 PM CDT (03:25 UTC)
Expired: Jun 8, 2020, 11:00 PM CDT
In force: 35 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.5 in

County Hutchinson County, SD

The radar

The Sioux Falls radar (KFSD), 110 km from the middle of the area, began a volume at 03:29 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
Jun 8, 10:40 PM CDT	TSTM WND GST 50	1 Nw Parkston, SD	NO LARGE HAIL SEEN AT TIME OF STRONG WINDS.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 8, 5:56 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 3.4 hours before the alert went out and 184 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: 540 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1339 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 13.2

Open this sounding in Storm Lab

The text

As transmitted.

744 
WFUS53 KFSD 090325
TORFSD
SDC067-090400-
/O.NEW.KFSD.TO.W.0005.200609T0325Z-200609T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
1025 PM CDT Mon Jun 8 2020

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  Western Hutchinson County in southeastern South Dakota...

* Until 1100 PM CDT.
    
* At 1025 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Tripp, or 11 miles south of Parkston,
  moving northeast at 35 mph.

  HAZARD...Tornado and tennis ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Tripp around 1030 PM CDT.
  Parkston around 1045 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4322 9812 4324 9811 4329 9811 4349 9797
      4332 9770 4317 9799 4317 9804
TIME...MOT...LOC 0325Z 216DEG 29KT 4324 9806 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

JM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 8:45 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	23 min
Jun 8, 9:30 PM CDT	Severe Thunderstorm Warning	FSD	Davison, Douglas, Hutchinson	30 min
Jun 8, 9:30 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Gregory	45 min
Jun 8, 9:40 PM CDT	Tornado Warning	FSD	Charles Mix	35 min
Jun 8, 9:52 PM CDT	Tornado Warning	FSD	Davison, Hanson	23 min
Jun 8, 10:05 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson	40 min
Jun 8, 10:07 PM CDT	Tornado Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson	23 min
Jun 8, 10:08 PM CDT	Tornado Warning	FSD	Davison, Hanson, Miner, Sanborn	52 min
Jun 8, 10:37 PM CDT	Severe Thunderstorm Warning	FSD	Davison, Douglas, Hanson, Hutchinson	38 min
Jun 8, 10:42 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Gregory	48 min
Jun 8, 10:48 PM CDT	Severe Thunderstorm Warning	FSD	Miner, Sanborn	42 min
Jun 8, 10:54 PM CDT	Tornado Warning	FSD	Hanson, Hutchinson, McCook	25 min
Jun 8, 11:00 PM CDT	Tornado Warning	FSD	Miner	45 min
Jun 8, 11:11 PM CDT	Severe Thunderstorm Warning	FSD	Davison, Hanson, Hutchinson, McCook, Miner	34 min
Jun 8, 11:15 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Douglas, Hutchinson	33 min
Jun 8, 11:37 PM CDT	Tornado Warning	FSD	Kingsbury, Miner	38 min
Jun 8, 11:40 PM CDT	Tornado Warning Tornado observed	FSD	Kingsbury, Miner	50 min
Jun 8, 11:44 PM CDT	Tornado Warning	FSD	Hanson, McCook, Miner	31 min
Jun 9, 12:10 AM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	35 min
Jun 9, 12:14 AM CDT	Tornado Warning	FSD	Kingsbury	16 min
Jun 9, 12:38 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Charles Mix, Davison, Douglas, Hanson, Hutchinson	37 min
Jun 9, 3:50 AM CDT	Wind Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Clay, Davison and 15 more	27 hr
Jun 9, 5:36 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Douglas	24 min
Jun 9, 5:47 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Hanson	28 min
Jun 9, 5:56 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Hanson, Sanborn	34 min
Jun 9, 6:10 AM CDT	Severe Thunderstorm Warning	FSD	Davison, Hanson, McCook, Miner	35 min
Jun 9, 6:23 AM CDT	Severe Thunderstorm Warning	FSD	Davison, Hanson, Miner, Sanborn	37 min
Jun 9, 11:11 AM CDT	Flash Flood Warning	FSD	Charles Mix, Douglas	5 hr
Jun 9, 11:56 AM CDT	Flash Flood Warning	FSD	Aurora, Davison, Douglas	4 hr
Jun 9, 3:58 PM CDT	Areal Flood Warning	FSD	Aurora, Charles Mix, Davison, Douglas	21 hr
Jun 9, 5:16 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Hutchinson, Turner, Yankton	44 min
Jun 9, 6:36 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Minnehaha, Turner	39 min

Nearby

Tornado Warnings in South Dakota, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.