Alert archive / South Dakota / Tornado Warnings in 2016

Tornado Warning 14, NWS Sioux Falls, SD

July 16, 2016Brookings County, South Dakota; Lincoln County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jul 16, 2016, 11:06 PM CDT for Brookings County, South Dakota; Lincoln County, Minnesota. It was in force for 24 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 16, 2016, 11:06 PM CDT (04:06 UTC)
Expired
Jul 16, 2016, 11:30 PM CDT
In force
24 min
Issued by
NWS Sioux Falls, SD
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Lincoln County, MN, Brookings County, SD

The radar

The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 04:05 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 16, 6:57 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 4.1 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 2016-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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 2016-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 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
687 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

355 
WFUS53 KFSD 170406
TORFSD
MNC081-SDC011-170430-
/O.NEW.KFSD.TO.W.0014.160717T0406Z-160717T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1106 PM CDT SAT JUL 16 2016

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN LINCOLN COUNTY IN SOUTHWESTERN MINNESOTA...
  EAST CENTRAL BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 1130 PM CDT
    
* AT 1105 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR BRUCE...OR NORTHWEST OF
  BROOKINGS...MOVING EAST AT 25 MPH.

  HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  WHITE AROUND 1125 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
BUSHNELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 4436 9689 4444 9686 4441 9632 4426 9637
TIME...MOT...LOC 0405Z 278DEG 21KT 4439 9683 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

HANKO
1 follow-up statement
563 
WWUS53 KFSD 170427
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1127 PM CDT SAT JUL 16 2016

MNC081-SDC011-170437-
/O.EXP.KFSD.TO.W.0014.000000T0000Z-160717T0430Z/
LINCOLN MN-BROOKINGS SD-
1127 PM CDT SAT JUL 16 2016

...THE TORNADO WARNING FOR SOUTHWESTERN LINCOLN AND EAST CENTRAL
BROOKINGS COUNTIES WILL EXPIRE AT 1130 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
SOUTHWESTERN MINNESOTA...AND EAST CENTRAL SOUTH DAKOTA.

LAT...LON 4436 9689 4444 9686 4441 9632 4426 9637
TIME...MOT...LOC 0426Z 278DEG 21KT 4439 9683 

$$

HANKO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 9:20 PM CDTSevere Thunderstorm WarningFSDBrookings, Kingsbury40 min
Jul 16, 9:45 PM CDTFlash Flood WatchFSDBrookings6 hr
Jul 16, 9:50 PM CDTTornado WarningFSDBrookings, Kingsbury40 min
Jul 16, 10:17 PM CDTSevere Thunderstorm WarningFSDBrookings43 min
Jul 16, 10:22 PM CDTTornado WarningFSDBrookings38 min
Jul 16, 10:50 PM CDTSevere Thunderstorm WarningFSDBrookings40 min
Jul 16, 10:58 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Douglas, Gregory32 min
Jul 16, 11:18 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix, Douglas, Hutchinson, Turner, Yankton27 min
Jul 16, 11:34 PM CDTSevere Thunderstorm WarningFSDMcCook, Turner26 min
Jul 16, 11:35 PM CDTFlash Flood WarningFSDBrookings6 hr
Jul 16, 11:42 PM CDTSevere Thunderstorm WarningFSDBrookings34 min
Jul 16, 11:45 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix, Clay, Hutchinson, Lincoln, Turner and 2 more30 min
Jul 17, 12:00 AM CDTSevere Thunderstorm WarningFSDLincoln, McCook, Minnehaha, Turner45 min
Jul 17, 12:14 AM CDTSevere Thunderstorm WarningFSDClay, Lincoln, Turner, Union, Yankton31 min
Jul 17, 12:37 AM CDTSevere Thunderstorm WarningFSDLincoln, Minnehaha23 min
Jul 17, 12:41 AM CDTSevere Thunderstorm WarningFSDLincoln34 min
Jul 16, 9:12 PM CDTSevere Thunderstorm WarningFSDLyon48 min
Jul 16, 10:06 PM CDTSevere Thunderstorm WarningFSDCottonwood54 min
Jul 16, 10:24 PM CDTSevere Thunderstorm WarningFSDLincoln, Lyon, Murray51 min
Jul 16, 10:58 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson47 min
Jul 16, 11:02 PM CDTSevere Thunderstorm WarningFSDCottonwood, Lyon, Murray43 min
Jul 16, 11:13 PM CDTSevere Thunderstorm WarningFSDLincoln, Lyon, Murray47 min
Jul 16, 11:49 PM CDTSevere Thunderstorm WarningFSDCottonwood, Jackson41 min
Jul 16, 11:54 PM CDTSevere Thunderstorm WarningFSDCottonwood, Lincoln, Lyon, Murray, Pipestone44 min

Nearby

Tornado Warnings in South Dakota, 2016Tornado Warnings in Minnesota, 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.