Alert archive / South Dakota / Tornado Warnings in 2016

Tornado Warning 5, NWS Sioux Falls, SD

May 28, 2016Lincoln County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at May 28, 2016, 2:34 PM CDT for Lincoln County, South Dakota. It was in force for 26 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 28, 2016, 2:34 PM CDT (19:34 UTC)
Expired
May 28, 2016, 3:00 PM CDT
In force
26 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

County Lincoln County, SD

The radar

The Sioux Falls radar (KFSD), 40 km from the middle of the area, began a volume at 19:37 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 nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.6 hours before the alert went out and 217 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, Omaha, NE at 12:00Z on 2016-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Omaha, NE at 12:00Z on 2016-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

404 
WFUS53 KFSD 281934
TORFSD
SDC083-282000-
/O.NEW.KFSD.TO.W.0005.160528T1934Z-160528T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
234 PM CDT SAT MAY 28 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN LINCOLN COUNTY IN SOUTHEASTERN SOUTH DAKOTA...

* UNTIL 300 PM CDT

* AT 232 PM CDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES SOUTHWEST
  OF WORTHING...OR 11 MILES NORTH OF BERESFORD...NEARLY
  STATIONARY TO NORTH AT 5 MPH.

  HAZARD...TORNADO. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

  IMPACT...MINIMAL IMPACT. 

* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTHWESTERN LINCOLN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR IN
A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4316 9692 4330 9693 4332 9692 4332 9675
      4317 9674
TIME...MOT...LOC 1932Z 168DEG 6KT 4324 9684 

TORNADO...OBSERVED
HAIL...0.00IN

$$

MJF
1 follow-up statement
694 
WWUS53 KFSD 281958
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
258 PM CDT SAT MAY 28 2016

SDC083-282005-
/O.EXP.KFSD.TO.W.0005.000000T0000Z-160528T2000Z/
LINCOLN SD-
258 PM CDT SAT MAY 28 2016

...THE TORNADO WARNING FOR SOUTHWESTERN LINCOLN COUNTY WILL EXPIRE AT
300 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS CURRENTLY LOST ITS
ROTATIONAL PROPERTIES. HOWEVER IT WILL CONTINUED TO BE MONITORED FOR
POSSIBLE REFORMATION. THIS ENVIRONMENT IS NOT CONDUCIVE FOR LARGE
TORNADOES. BUT FUNNELS AND VERY BRIEF TOUCHDOWNS ARE A CONCERN. FOR
INSTANCE THIS TORNADO TOUCHED DOWN FOR TEN SECONDS PER SPOTTER
REPORTS.

LAT...LON 4316 9692 4330 9693 4332 9692 4332 9675
      4317 9674
TIME...MOT...LOC 1953Z 168DEG 6KT 4324 9684 

$$

MJF

Nearby

Tornado Warnings in South Dakota, 2016Every tornado warning in 2016Tornadoes 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.