Alert archive / South Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 72, NWS Sioux Falls, SD

June 17, 20164 counties in South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 17, 2016, 8:17 PM CDT for 4 counties in South Dakota. It was in force for 28 min. 2 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 17, 2016, 8:17 PM CDT (01:17 UTC)
Expired: Jun 17, 2016, 8:45 PM CDT
In force: 28 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 20 km from the middle of the area, began a volume at 01:18 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 17, 8:30 PM CDT	TSTM WND DMG	Canistota, SD	TREES DOWN.
Jun 17, 8:30 PM CDT	TSTM WND DMG	Hartford, SD	LARGE TREE DOWN. REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.

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 17, 3:06 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.3 hours before the alert went out and 211 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: 1368 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1582 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted.

957 
WUUS53 KFSD 180117
SVRFSD
SDC083-087-099-125-180145-
/O.NEW.KFSD.SV.W.0072.160618T0117Z-160618T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
817 PM CDT FRI JUN 17 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MINNEHAHA COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
  SOUTHERN MCCOOK COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
  LINCOLN COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
  NORTHERN TURNER COUNTY IN SOUTHEASTERN SOUTH DAKOTA...

* UNTIL 845 PM CDT

* AT 816 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WALL
  LAKE...OR 7 MILES SOUTHEAST OF LAKE VERMILLION STATE RECREATION
  AREA...MOVING SOUTHWEST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SIOUX FALLS...CANTON...PARKER...SIOUX FALLS...
  LAKE VERMILLION STATE RECREATION AREA...BRANDON...HARRISBURG...
  TEA...HARTFORD...LENNOX...SALEM...CROOKS...WALL LAKE...WORTHING...
  MARION...VALLEY SPRINGS...CANISTOTA...HUMBOLDT...MONTROSE...
  HURLEY AND HUDSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4361 9646 4350 9645 4350 9660 4348 9658
      4345 9660 4339 9652 4331 9652 4330 9659
      4327 9659 4326 9655 4323 9657 4322 9647
      4315 9647 4312 9644 4335 9736 4344 9740
      4350 9740 4350 9743 4373 9754 4375 9702
TIME...MOT...LOC 0116Z 059DEG 25KT 4352 9706 

HAIL...<.75IN
WIND...60MPH
 
$$

SCHUMACHER

1 follow-up statement

206 
WWUS53 KFSD 180145
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
845 PM CDT FRI JUN 17 2016

SDC083-087-099-125-180155-
/O.EXP.KFSD.SV.W.0072.000000T0000Z-160618T0145Z/
MINNEHAHA SD-MCCOOK SD-LINCOLN SD-TURNER SD-
845 PM CDT FRI JUN 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MINNEHAHA...SOUTHERN
MCCOOK...LINCOLN AND NORTHERN TURNER COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN IOWA...SOUTHWESTERN MINNESOTA...AND SOUTHEASTERN SOUTH
DAKOTA.

LAT...LON 4361 9646 4350 9645 4350 9660 4348 9658
      4345 9660 4339 9652 4331 9652 4330 9659
      4327 9659 4326 9655 4323 9657 4322 9647
      4315 9647 4312 9644 4335 9736 4344 9740
      4350 9740 4350 9743 4373 9754 4375 9702
TIME...MOT...LOC 0143Z 059DEG 25KT 4352 9706 

$$

SCHUMACHER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:01 PM CDT	Severe Thunderstorm Warning	FSD	Lake	44 min
Jun 17, 7:17 PM CDT	Flash Flood Warning	FSD	Lake	3 hr
Jun 17, 7:33 PM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook	27 min
Jun 17, 7:38 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha, Moody	41 min
Jun 17, 7:39 PM CDT	Severe Thunderstorm Warning	FSD	Lake	36 min
Jun 17, 8:03 PM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook, Miner	27 min
Jun 17, 8:18 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	42 min
Jun 17, 8:26 PM CDT	Flash Flood Warning	FSD	Lincoln, Minnehaha	3 hr
Jun 17, 8:44 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Turner, Union	46 min
Jun 17, 8:49 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Hutchinson	26 min
Jun 17, 8:52 PM CDT	Flash Flood Warning	FSD	Hutchinson, McCook	3 hr
Jun 17, 9:13 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Hutchinson, Turner, Yankton	47 min
Jun 17, 9:53 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Clay, Union, Yankton	52 min
Jun 17, 10:33 PM CDT	Severe Thunderstorm Warning	FSD	Gregory	42 min
Jun 17, 10:41 PM CDT	Severe Thunderstorm Warning	FSD	Union	49 min
Jun 18, 3:14 AM CDT	Heat Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	41 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2016 Every severe thunderstorm warning 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.