Alert archive / South Dakota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 39, NWS Sioux Falls, SD

June 6, 2015Charles Mix County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 6, 2015, 7:02 PM CDT for Charles Mix County, South Dakota. It was in force for 24 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 6, 2015, 7:02 PM CDT (00:02 UTC)
Expired: Jun 6, 2015, 7:26 PM CDT
In force: 24 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Charles Mix County, SD

The radar

The Sioux Falls radar (KFSD), 146 km from the middle of the area, began a volume at 00:05 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 6, 7:15 PM CDT	HAIL 1	1 Se Marty, SD	IN ADDITION TO THE QUARTER SIZED HAIL, RAINFALL WAS 1.10 INCH.
Jun 6, 7:15 PM CDT	HAIL 1.5	Marty, 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 6, 3:40 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.0 hours before the alert went out and 215 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: 673 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1430 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

217 
WUUS53 KFSD 070002
SVRFSD
SDC023-070045-
/O.NEW.KFSD.SV.W.0039.150607T0002Z-150607T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
702 PM CDT SAT JUN 6 2015

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHARLES MIX COUNTY IN SOUTH CENTRAL SOUTH DAKOTA...

* UNTIL 745 PM CDT

* AT 702 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MARTY...OR 8
  MILES SOUTHEAST OF PICKSTOWN...MOVING EAST AT 25 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  MARTY AROUND 710 PM CDT.
  WAGNER AROUND 730 PM CDT.
  DANTE AROUND 740 PM CDT.

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 SOUTHEASTERN
SOUTH DAKOTA.

LAT...LON 4293 9842 4293 9844 4295 9847 4300 9850
      4316 9819 4295 9810 4295 9811 4294 9810
      4290 9834
TIME...MOT...LOC 0002Z 249DEG 21KT 4296 9845 

HAIL...1.50IN
WIND...60MPH
 
$$

HANKO

2 follow-up statements

841 
WWUS53 KFSD 070017
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
717 PM CDT SAT JUN 6 2015

SDC023-070045-
/O.CON.KFSD.SV.W.0039.000000T0000Z-150607T0045Z/
CHARLES MIX SD-
717 PM CDT SAT JUN 6 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN CHARLES MIX COUNTY...

AT 716 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MARTY...OR 10
MILES SOUTHEAST OF PICKSTOWN...MOVING EAST AT 25 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. AT 715 PM CDT PING PONG BALL SIZED HAIL 
WAS REPORTED IN MARTY. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         WIND DAMAGE TO ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  WAGNER AROUND 730 PM CDT.
  DANTE AROUND 740 PM CDT.

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 SOUTH CENTRAL
SOUTH DAKOTA.

LAT...LON 4294 9839 4302 9845 4316 9819 4299 9812
      4294 9831
TIME...MOT...LOC 0016Z 249DEG 21KT 4299 9834 

HAIL...1.50IN
WIND...60MPH
 
$$

HANKO

825 
WWUS53 KFSD 070026
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
726 PM CDT SAT JUN 6 2015

SDC023-070036-
/O.CAN.KFSD.SV.W.0039.000000T0000Z-150607T0045Z/
CHARLES MIX SD-
726 PM CDT SAT JUN 6 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHARLES MIX
COUNTY IS CANCELLED...
                
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 CANCELLED.  HOWEVER SMALL HAIL IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

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

LAT...LON 4294 9839 4302 9845 4316 9819 4299 9812
      4294 9831
TIME...MOT...LOC 0025Z 249DEG 21KT 4301 9826 

$$

HANKO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 7:31 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Union	44 min
Jun 6, 7:44 PM CDT	Tornado Warning	FSD	Clay	31 min
Jun 6, 8:22 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Moody	38 min
Jun 6, 8:30 PM CDT	Tornado Warning	FSD	Clay, Turner, Yankton	13 min
Jun 6, 9:23 PM CDT	Flash Flood Warning	FSD	Lake, Moody	3 hr
Jun 6, 10:11 PM CDT	Flash Flood Warning	FSD	Union	3 hr
Jun 7, 10:47 AM CDT	River Flood Warning	FSD	Minnehaha, Moody	40 hr
Jun 7, 4:08 PM CDT	Flash Flood Warning	FSD	Beadle	3 hr
Jun 7, 4:34 PM CDT	Tornado Warning	FSD	Miner	12 min
Jun 7, 4:52 PM CDT	Severe Thunderstorm Warning	FSD	Hanson, McCook, Miner	23 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2015 Every severe thunderstorm warning in 2015

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.