Alert archive / South Dakota / Tornado Warnings in 2016

Tornado Warning 12, NWS Sioux Falls, SD

July 16, 2016Brookings County, Kingsbury County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jul 16, 2016, 9:50 PM CDT for Brookings County, Kingsbury County, South Dakota. It was in force for 40 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: Jul 16, 2016, 9:50 PM CDT (02:50 UTC)
Expired: Jul 16, 2016, 10:30 PM CDT
In force: 40 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Brookings County, SD, Kingsbury County, SD

The radar

The Sioux Falls radar (KFSD), 105 km from the middle of the area, began a volume at 02:50 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
Jul 16, 9:50 PM CDT	TSTM WND GST 70	5 Ne Badger, SD	SOCIAL MEDIA REPORT.
Jul 16, 9:54 PM CDT	TSTM WND GST 60	4 Se Lake Norden, SD	.
Jul 16, 10:21 PM CDT	FUNNEL CLOUD	8 Ene Badger, SD	FUNNEL HALFWAY TO GROUND...REPORT FROM SPOTTER 1 N OF OAKWOOD STATE PARK.

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
Jul 16, 6:57 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.8 hours before the alert went out and 117 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: 687 J/kg
Mixed-layer CIN: -137 J/kg
Mixed-layer LCL: 1298 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 295 m²/s²
0-3 km storm-relative helicity: 515 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

823 
WFUS53 KFSD 170250
TORFSD
SDC011-077-170330-
/O.NEW.KFSD.TO.W.0012.160717T0250Z-160717T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
950 PM CDT SAT JUL 16 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA...
  NORTHEASTERN KINGSBURY COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 1030 PM CDT
    
* AT 950 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER LAKE ALBERT...OR 13 MILES WEST OF
  ESTELLINE...MOVING EAST AT 25 MPH.

  HAZARD...TORNADO AND PING PONG 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...
  OAKWOOD STATE PARK AROUND 1020 PM CDT. 
  BRUCE AROUND 1030 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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4453 9681 4436 9697 4450 9731 4455 9727
      4454 9710 4455 9689
TIME...MOT...LOC 0250Z 289DEG 21KT 4454 9717 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

HANKO

2 follow-up statements

854 
WWUS53 KFSD 170259
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
959 PM CDT SAT JUL 16 2016

SDC011-077-170330-
/O.CON.KFSD.TO.W.0012.000000T0000Z-160717T0330Z/
BROOKINGS SD-KINGSBURY SD-
959 PM CDT SAT JUL 16 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHWESTERN BROOKINGS AND NORTHEASTERN KINGSBURY COUNTIES...
    
AT 958 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LAKE ALBERT...OR 10 MILES WEST OF ESTELLINE...MOVING
EAST AT 25 MPH.

HAZARD...TORNADO AND PING PONG 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...
  OAKWOOD STATE PARK AROUND 1020 PM CDT. 
  BRUCE AROUND 1030 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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4439 9694 4452 9728 4455 9727 4454 9710
      4455 9689 4453 9681
TIME...MOT...LOC 0258Z 289DEG 21KT 4452 9710 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

HANKO

700 
WWUS53 KFSD 170311
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1011 PM CDT SAT JUL 16 2016

SDC077-170321-
/O.CAN.KFSD.TO.W.0012.000000T0000Z-160717T0330Z/
KINGSBURY SD-
1011 PM CDT SAT JUL 16 2016

...THE TORNADO WARNING FOR NORTHEASTERN KINGSBURY COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
MOVED OUT OF THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN
CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
EAST CENTRAL SOUTH DAKOTA.

LAT...LON 4439 9694 4446 9712 4454 9712 4454 9710
      4455 9689 4453 9681
TIME...MOT...LOC 0311Z 285DEG 19KT 4451 9702 

$$

SDC011-170330-
/O.CON.KFSD.TO.W.0012.000000T0000Z-160717T0330Z/
BROOKINGS SD-
1011 PM CDT SAT JUL 16 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHWESTERN BROOKINGS COUNTY...
    
AT 1011 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LAKE POINSETT...OR 7 MILES SOUTHWEST OF ESTELLINE...
MOVING EAST AT 20 MPH.

HAZARD...TORNADO AND HALF DOLLAR 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...
  OAKWOOD STATE PARK AROUND 1020 PM CDT. 
  BRUCE AROUND 1030 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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4439 9694 4446 9712 4454 9712 4454 9710
      4455 9689 4453 9681
TIME...MOT...LOC 0311Z 285DEG 19KT 4451 9702 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

HANKO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 9:20 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Kingsbury	40 min
Jul 16, 9:45 PM CDT	Flash Flood Watch	FSD	Brookings	6 hr
Jul 16, 10:17 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	43 min
Jul 16, 10:22 PM CDT	Tornado Warning	FSD	Brookings	38 min
Jul 16, 10:50 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	40 min
Jul 16, 10:58 PM CDT	Severe Thunderstorm Warning	FSD	Charles Mix, Douglas, Gregory	32 min
Jul 16, 11:06 PM CDT	Tornado Warning	FSD	Brookings	24 min
Jul 16, 11:18 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson, Turner, Yankton	27 min
Jul 16, 11:34 PM CDT	Severe Thunderstorm Warning	FSD	McCook, Turner	26 min
Jul 16, 11:35 PM CDT	Flash Flood Warning	FSD	Brookings	6 hr
Jul 16, 11:42 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	34 min
Jul 16, 11:45 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Clay, Hutchinson, Lincoln, Turner and 2 more	30 min
Jul 17, 12:00 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, McCook, Minnehaha, Turner	45 min
Jul 17, 12:14 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Turner, Union, Yankton	31 min
Jul 17, 12:37 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Minnehaha	23 min
Jul 17, 12:41 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln	34 min

Nearby

Tornado Warnings in South Dakota, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.