Alert archive / South Dakota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Sioux Falls, SD

May 22, 20166 counties in South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at May 22, 2016, 10:23 PM CDT for 6 counties in South Dakota. It was in force for 52 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
May 22, 2016, 10:23 PM CDT (03:23 UTC)
Expired
May 22, 2016, 11:15 PM CDT
In force
52 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Aurora County, SD, Brule County, SD, Davison County, SD, Douglas County, SD, Jerauld County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 155 km from the middle of the area, began a volume at 03:26 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.

IssuedProductOfficeLasted
May 22, 8:22 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 3.4 hours before the alert went out and 134 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 2016-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1223 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2016-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
1223 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1730 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted.

671 
WUUS53 KFSD 230323
SVRFSD
SDC003-015-035-043-073-111-230415-
/O.NEW.KFSD.SV.W.0013.160523T0323Z-160523T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1023 PM CDT SUN MAY 22 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  AURORA COUNTY IN SOUTH CENTRAL SOUTH DAKOTA...
  NORTHWESTERN DOUGLAS COUNTY IN SOUTH CENTRAL SOUTH DAKOTA...
  SOUTHWESTERN SANBORN COUNTY IN EAST CENTRAL SOUTH DAKOTA...
  NORTHEASTERN BRULE COUNTY IN SOUTH CENTRAL SOUTH DAKOTA...
  SOUTHEASTERN JERAULD COUNTY IN CENTRAL SOUTH DAKOTA...
  DAVISON COUNTY IN SOUTHEASTERN SOUTH DAKOTA...

* UNTIL 1115 PM CDT

* AT 1023 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR KIMBALL TO 7 MILES NORTH OF GRASS RANCH COLONY
  TO NEAR WHITE LAKE TO 6 MILES WEST OF STORLA...MOVING NORTHEAST AT
  40 MPH.

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

  SOURCE...TRAINED WEATHER SPOTTERS. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WHITE LAKE AROUND 1030 PM CDT. 
  STORLA AROUND 1035 PM CDT. 
  PLANKINTON AND STICKNEY AROUND 1045 PM CDT. 
  AURORA CENTER AROUND 1055 PM CDT. 
  MOUNT VERNON AROUND 1105 PM CDT. 
  MITCHELL...LETCHER AND LOOMIS AROUND 1115 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4383 9898 4408 9861 4395 9818 4361 9800
      4343 9871 4350 9870 4350 9872 4358 9871
      4369 9872 4377 9884
TIME...MOT...LOC 0323Z 236DEG 36KT 4380 9898 4375 9885 4370 9873 4357
9871 4350 9871

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

DUX
3 follow-up statements
329 
WWUS53 KFSD 230337
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1037 PM CDT SUN MAY 22 2016

SDC003-015-035-043-073-111-230415-
/O.CON.KFSD.SV.W.0013.000000T0000Z-160523T0415Z/
AURORA SD-DOUGLAS SD-SANBORN SD-BRULE SD-JERAULD SD-DAVISON SD-
1037 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR AURORA...NORTHWESTERN DOUGLAS...SOUTHWESTERN SANBORN...EASTERN
BRULE...SOUTHEASTERN JERAULD AND DAVISON COUNTIES...

AT 1036 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 12 MILES NORTHEAST OF KIMBALL TO 7 MILES NORTH OF
WHITE LAKE TO 6 MILES NORTHWEST OF PLANKINTON TO 8 MILES NORTHWEST OF
STICKNEY TO NEAR STORLA...MOVING NORTHEAST AT 40 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. 

THESE SEVERE STORMS WILL BE NEAR...
  PLANKINTON AROUND 1050 PM CDT. 
  STICKNEY AND AURORA CENTER AROUND 1055 PM CDT. 
  MOUNT VERNON AROUND 1110 PM CDT. 
  MITCHELL...LETCHER AND LOOMIS AROUND 1115 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
SIOUX FALLS.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4387 9885 4408 9861 4395 9818 4361 9800
      4343 9871 4358 9867 4373 9864
TIME...MOT...LOC 0336Z 235DEG 36KT 4389 9880 4384 9868 4377 9859 4364
9859 4351 9864

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

DUX
706 
WWUS53 KFSD 230352
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1052 PM CDT SUN MAY 22 2016

SDC015-230401-
/O.CAN.KFSD.SV.W.0013.000000T0000Z-160523T0415Z/
BRULE SD-
1052 PM CDT SUN MAY 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BRULE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR
SOUTHEASTERN SOUTH DAKOTA.

LAT...LON 4396 9861 4407 9860 4394 9818 4361 9800
      4349 9849 4344 9869 4358 9863 4376 9855
TIME...MOT...LOC 0351Z 235DEG 33KT 4396 9857 4385 9844 4374 9845 4361
9851 4351 9856

$$

SDC003-035-043-073-111-230415-
/O.CON.KFSD.SV.W.0013.000000T0000Z-160523T0415Z/
AURORA SD-DOUGLAS SD-SANBORN SD-JERAULD SD-DAVISON SD-
1052 PM CDT SUN MAY 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR EASTERN AURORA...NORTHWESTERN DOUGLAS...SOUTHWESTERN SANBORN...
SOUTHEASTERN JERAULD AND DAVISON COUNTIES...

AT 1051 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES SOUTH OF WESSINGTON SPRINGS TO NEAR AURORA
CENTER TO NEAR PLANKINTON TO NEAR STICKNEY TO STORLA...MOVING
NORTHEAST AT 40 MPH.

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

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  MOUNT VERNON AND AURORA CENTER AROUND 1100 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
SIOUX FALLS.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4396 9861 4407 9860 4394 9818 4361 9800
      4349 9849 4344 9869 4358 9863 4376 9855
TIME...MOT...LOC 0351Z 235DEG 33KT 4396 9857 4385 9844 4374 9845 4361
9851 4351 9856

HAIL...0.88IN
WIND...60MPH
 
$$

DUX
687 
WWUS53 KFSD 230411
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1111 PM CDT SUN MAY 22 2016

SDC003-035-043-073-111-230420-
/O.EXP.KFSD.SV.W.0013.000000T0000Z-160523T0415Z/
AURORA SD-DOUGLAS SD-SANBORN SD-JERAULD SD-DAVISON SD-
1111 PM CDT SUN MAY 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN AURORA...NORTHWESTERN
DOUGLAS...SOUTHWESTERN SANBORN...SOUTHEASTERN JERAULD AND DAVISON
COUNTIES WILL EXPIRE AT 1115 PM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS UP TO 40 MPH AND HEAVY
RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR
SOUTHEASTERN SOUTH DAKOTA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
SIOUX FALLS.

LAT...LON 4396 9861 4407 9860 4394 9818 4361 9800
      4349 9849 4344 9869 4358 9863 4376 9855
TIME...MOT...LOC 0409Z 236DEG 36KT 4396 9857 4385 9844 4374 9845 4361
9851 4351 9856

$$

DUX

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 8:34 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Gregory41 min
May 22, 9:13 PM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix, Gregory47 min
May 22, 9:51 PM CDTSevere Thunderstorm WarningFSDAurora, Brule, Charles Mix, Douglas39 min
May 22, 10:06 PM CDTSevere Thunderstorm WarningFSDGregory39 min
May 22, 10:45 PM CDTFlash Flood WarningFSDAurora, Brule, Charles Mix, Gregory6 hr
May 23, 5:22 PM CDTSevere Thunderstorm WarningFSDUnion23 min
May 23, 5:58 PM CDTFlash Flood WarningFSDUnion4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.