Alert archive / South Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 93, NWS Sioux Falls, SD

July 5, 2016Brookings County, Kingsbury County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 5, 2016, 5:46 PM CDT for Brookings County, Kingsbury County, South Dakota. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 5, 2016, 5:46 PM CDT (22:46 UTC)
Expired: Jul 5, 2016, 6:15 PM CDT
In force: 29 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Brookings County, SD, Kingsbury County, SD

The radar

The Sioux Falls radar (KFSD), 98 km from the middle of the area, began a volume at 22:50 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.

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 5, 2:06 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.8 hours before the alert went out and 139 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: 308 J/kg
Mixed-layer CIN: -449 J/kg
Mixed-layer LCL: 1721 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

248 
WUUS53 KFSD 052246
SVRFSD
SDC011-077-052315-
/O.NEW.KFSD.SV.W.0093.160705T2246Z-160705T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
546 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA...
  NORTHEASTERN KINGSBURY COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 615 PM CDT

* AT 546 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
  BRUCE...OR 9 MILES SOUTHWEST OF ESTELLINE...MOVING EAST AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  OAKWOOD STATE PARK AROUND 550 PM CDT. 
  BRUCE AROUND 555 PM CDT. 
  WHITE AROUND 605 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG BUILDING. STAY
AWAY FROM WINDOWS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR EAST CENTRAL
SOUTH DAKOTA.

LAT...LON 4447 9646 4433 9715 4454 9720 4454 9647
TIME...MOT...LOC 2246Z 262DEG 47KT 4447 9703 

HAIL...1.25IN
WIND...60MPH
 
$$

CHAPMAN

2 follow-up statements

789 
WWUS53 KFSD 052304
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
604 PM CDT TUE JUL 5 2016

SDC077-052313-
/O.CAN.KFSD.SV.W.0093.000000T0000Z-160705T2315Z/
KINGSBURY SD-
604 PM CDT TUE JUL 5 2016

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR EAST CENTRAL
SOUTH DAKOTA.

LAT...LON 4436 9700 4454 9704 4454 9647 4447 9646
TIME...MOT...LOC 2303Z 262DEG 47KT 4450 9671 

$$

SDC011-052315-
/O.CON.KFSD.SV.W.0093.000000T0000Z-160705T2315Z/
BROOKINGS SD-
604 PM CDT TUE JUL 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR NORTHERN BROOKINGS COUNTY...

AT 603 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES WEST OF
WHITE...OR 10 MILES SOUTHEAST OF ESTELLINE...MOVING EAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHERN BROOKINGS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR EAST CENTRAL
SOUTH DAKOTA.

LAT...LON 4436 9700 4454 9704 4454 9647 4447 9646
TIME...MOT...LOC 2303Z 262DEG 47KT 4450 9671 

HAIL...1.00IN
WIND...60MPH
 
$$

CHAPMAN

377 
WWUS53 KFSD 052313
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
613 PM CDT TUE JUL 5 2016

SDC011-052321-
/O.EXP.KFSD.SV.W.0093.000000T0000Z-160705T2315Z/
BROOKINGS SD-
613 PM CDT TUE JUL 5 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BROOKINGS COUNTY WILL
EXPIRE AT 615 PM CDT...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL
HAIL UP TO DIME SIZE AND WIND GUSTS TO 50 MPH ARE STILL POSSIBLE
WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR EAST CENTRAL
SOUTH DAKOTA.

LAT...LON 4436 9700 4454 9704 4454 9647 4447 9646
TIME...MOT...LOC 2310Z 262DEG 47KT 4450 9671 

$$

CHAPMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 4:03 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	42 min
Jul 5, 4:32 PM CDT	Severe Thunderstorm Warning	FSD	Brookings, Kingsbury	58 min
Jul 5, 4:35 PM CDT	Severe Thunderstorm Warning	FSD	Beadle, Jerauld, Sanborn	40 min
Jul 5, 5:28 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	25 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.