Alert archive / South Dakota / Tornado Warnings in 2017

Tornado Warning 11, NWS Sioux Falls, SD

June 13, 2017Charles Mix County, Gregory County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 13, 2017, 3:46 PM CDT for Charles Mix County, Gregory County, South Dakota. It was in force for 29 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 13, 2017, 3:46 PM CDT (20:46 UTC)
Expired: Jun 13, 2017, 4:15 PM CDT
In force: 29 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Observed
Hail: 1.5 in

Counties Charles Mix County, SD, Gregory County, SD

The radar

The North Platte radar (KLNX), 182 km from the middle of the area, began a volume at 20:46 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 13, 4:11 PM CDT	HAIL 1.25	13 W Platte, SD

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 13, 3:13 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 196 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: 1118 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: -220 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

569 
WFUS53 KFSD 132046
TORFSD
SDC023-053-132115-
/O.NEW.KFSD.TO.W.0011.170613T2046Z-170613T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
346 PM CDT TUE JUN 13 2017

The National Weather Service in Sioux Falls has issued a

* Tornado Warning for...
  Northwestern Charles Mix County in south central South Dakota...
  Western Gregory County in south central South Dakota...

* Until 415 PM CDT

* At 345 PM CDT, a confirmed tornado was located near Burke, or 34
  miles east of Winner, moving north at 35 mph.

  HAZARD...Damaging tornado and ping pong ball size hail. 

  SOURCE...Law enforcement confirmed tornado. 

  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 tornadic thunderstorm will remain over mainly rural areas of
  northwestern Charles Mix and western Gregory Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4309 9914 4315 9937 4349 9926 4333 9894
TIME...MOT...LOC 2045Z 198DEG 31KT 4319 9923 

TORNADO...OBSERVED
HAIL...1.50IN

$$

Schumacher

2 follow-up statements

544 
WWUS53 KFSD 132059
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
359 PM CDT TUE JUN 13 2017

SDC023-053-132115-
/O.CON.KFSD.TO.W.0011.000000T0000Z-170613T2115Z/
Charles Mix SD-Gregory SD-
359 PM CDT TUE JUN 13 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHWESTERN CHARLES MIX AND WESTERN GREGORY COUNTIES...
    
At 359 PM CDT, a confirmed tornado was located 8 miles northeast of
Burke, or 32 miles west of Lake Andes, moving northeast at 25 mph.

HAZARD...Damaging tornado and two inch hail. 

SOURCE...Law enforcement confirmed tornado. 

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. 

Locations impacted include...
Burke and Herrick. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4309 9914 4315 9937 4345 9920 4333 9894
TIME...MOT...LOC 2059Z 210DEG 24KT 4327 9916 

TORNADO...OBSERVED
HAIL...2.00IN

$$

Schumacher

161 
WWUS53 KFSD 132111
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
411 PM CDT TUE JUN 13 2017

SDC023-053-132120-
/O.EXP.KFSD.TO.W.0011.000000T0000Z-170613T2115Z/
Charles Mix SD-Gregory SD-
411 PM CDT TUE JUN 13 2017

...THE TORNADO WARNING FOR NORTHWESTERN CHARLES MIX AND WESTERN
GREGORY COUNTIES WILL EXPIRE AT 415 PM CDT...
                
Rotation which prompted the warning has weakened, and no longer 
appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However large hail 
and gusty winds are still possible with this thunderstorm.

A tornado watch remains in effect until 1000 PM CDT for south central
South Dakota.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Sioux Falls.

Remember, a Severe Thunderstorm Warning still remains in effect 
northwestern charles mix...western Gregory...and southern Brule 
Counties until 430 pm  CDT.

LAT...LON 4309 9914 4315 9937 4345 9920 4333 9894
TIME...MOT...LOC 2110Z 198DEG 31KT 4336 9912 

$$

Dux

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 3:26 PM CDT	Severe Thunderstorm Warning	FSD	Gregory	34 min
Jun 13, 3:56 PM CDT	Severe Thunderstorm Warning	FSD	Brule, Charles Mix, Gregory	34 min
Jun 13, 4:19 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	41 min
Jun 13, 4:25 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Brule, Charles Mix	35 min
Jun 13, 4:27 PM CDT	Severe Thunderstorm Warning	FSD	Brule	33 min
Jun 13, 4:54 PM CDT	Tornado Warning	FSD	Charles Mix, Gregory	36 min
Jun 13, 4:54 PM CDT	Tornado Warning Tornado observed	FSD	Aurora, Brule	36 min
Jun 13, 5:13 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	32 min
Jun 13, 5:16 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Beadle, Brule, Jerauld, Sanborn	44 min
Jun 13, 5:20 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Brule, Charles Mix, Douglas	25 min
Jun 13, 5:35 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Gregory	25 min
Jun 13, 5:39 PM CDT	Tornado Warning	FSD	Aurora, Davison, Douglas	36 min
Jun 13, 5:40 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Douglas, Gregory	35 min
Jun 13, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison, Douglas	30 min
Jun 13, 5:51 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Charles Mix, Davison, Douglas	24 min
Jun 13, 5:58 PM CDT	Tornado Warning	FSD	Beadle, Jerauld, Sanborn	32 min
Jun 13, 6:05 PM CDT	Tornado Warning	FSD	Charles Mix, Douglas, Gregory	25 min
Jun 13, 6:08 PM CDT	Tornado Warning	FSD	Aurora, Davison, Sanborn	37 min
Jun 13, 6:18 PM CDT	Severe Thunderstorm Warning	FSD	Beadle, Kingsbury, Sanborn	42 min
Jun 13, 6:20 PM CDT	Tornado Warning	FSD	Charles Mix, Douglas, Gregory	25 min
Jun 13, 6:25 PM CDT	Severe Thunderstorm Warning	FSD	Davison, Hanson, Miner, Sanborn	50 min
Jun 13, 6:28 PM CDT	Severe Thunderstorm Warning	FSD	Davison, Douglas, Hanson, Hutchinson	32 min
Jun 13, 6:31 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson	44 min
Jun 13, 6:49 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Charles Mix, Davison, Douglas, Hanson, Hutchinson	26 min
Jun 13, 6:56 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Kingsbury, Lake, Miner	34 min
Jun 13, 6:59 PM CDT	Severe Thunderstorm Warning	FSD	Hanson, Hutchinson, Lake, McCook, Miner, Sanborn and 1 more	31 min

Nearby

Tornado Warnings in South Dakota, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.