Alert archive / South Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 70, NWS Sioux Falls, SD

June 17, 2016Lake County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 17, 2016, 7:39 PM CDT for Lake County, South Dakota. It was in force for 36 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 17, 2016, 7:39 PM CDT (00:39 UTC)
Expired
Jun 17, 2016, 8:15 PM CDT
In force
36 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

County Lake County, SD

The radar

The Sioux Falls radar (KFSD), 48 km from the middle of the area, began a volume at 00:43 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

TimeReportWhereRemark
Jun 17, 7:40 PM CDTHAIL 14 Ssw Madison, SDTIME ESTIMATED FROM RADAR.

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.

IssuedProductOfficeLasted
Jun 17, 3:06 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.7 hours before the alert went out and 150 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2016-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1368 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2016-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

269 
WUUS53 KFSD 180039
SVRFSD
SDC079-180115-
/O.NEW.KFSD.SV.W.0070.160618T0039Z-160618T0115Z/

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAKE COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 815 PM CDT

* AT 739 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LAKE HERMAN
  STATE PARK...MOVING NORTHEAST AT 10 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS...AND OUTBUILDINGS. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  MADISON AROUND 800 PM CDT. 
  WENTWORTH AROUND 815 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4385 9713 4400 9729 4419 9689 4385 9689
TIME...MOT...LOC 0039Z 232DEG 9KT 4399 9714 

HAIL...1.00IN
WIND...70MPH
 
$$

SCHUMACHER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:01 PM CDTSevere Thunderstorm WarningFSDLake44 min
Jun 17, 7:17 PM CDTFlash Flood WarningFSDLake3 hr
Jun 17, 7:33 PM CDTSevere Thunderstorm WarningFSDLake, McCook27 min
Jun 17, 7:38 PM CDTSevere Thunderstorm WarningFSDMinnehaha, Moody41 min
Jun 17, 8:03 PM CDTSevere Thunderstorm WarningFSDLake, McCook, Miner27 min
Jun 17, 8:17 PM CDTSevere Thunderstorm WarningFSDLincoln, McCook, Minnehaha, Turner28 min
Jun 17, 8:18 PM CDTSevere Thunderstorm WarningFSDLincoln42 min
Jun 17, 8:26 PM CDTFlash Flood WarningFSDLincoln, Minnehaha3 hr
Jun 17, 8:44 PM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Turner, Union46 min
Jun 17, 8:49 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson26 min
Jun 17, 8:52 PM CDTFlash Flood WarningFSDHutchinson, McCook3 hr
Jun 17, 9:13 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson, Turner, Yankton47 min
Jun 17, 9:53 PM CDTSevere Thunderstorm WarningFSDBon Homme, Clay, Union, Yankton52 min
Jun 17, 10:33 PM CDTSevere Thunderstorm WarningFSDGregory42 min
Jun 17, 10:41 PM CDTSevere Thunderstorm WarningFSDUnion49 min
Jun 18, 3:14 AM CDTHeat AdvisoryFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more41 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2016Every 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.