Alert archive / South Dakota / Tornado Warnings in 2005

Tornado Warning 23, NWS Sioux Falls, SD

September 12, 2005Brookings County, South Dakota; Lincoln County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Sep 12, 2005, 7:09 PM CDT for Brookings County, South Dakota; Lincoln County, Minnesota. It was in force for 36 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
Sep 12, 2005, 7:09 PM CDT (00:09 UTC)
Expired
Sep 12, 2005, 7:45 PM CDT
In force
36 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

Counties Lincoln County, MN, Brookings County, SD

The radar

The Sioux Falls radar (KFSD), 97 km from the middle of the area, began a volume at 00:09 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
Sep 12, 3:40 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.2 hours before the alert went out and 154 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 2005-09-13Temperature 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, Aberdeen, SD at 00:00Z on 2005-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
1506 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFSD 130010
TORFSD
MNC081-SDC011-130045-
/O.NEW.KFSD.TO.W.0023.050913T0009Z-050913T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
709 PM CDT MON SEP 12 2005

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 709 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WHITE...OR
  ABOUT 13 MILES NORTHEAST OF BROOKINGS...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  HENDRICKS AROUND 730 PM CDT

NUMEROUS CLOUD ROTATIONS HAVE BEEN REPORTED WITH VARIOUS 
THUNDERSTORMS.

THIS WARNING EXTENDS THE PREVIOUS WARNING FOR BROOKINGS COUNTY.

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH DAKOTA.

LAT...LON 4443 9675 4421 9668 4454 9618 4463 9645

$$
RSR
2 follow-up statements
000 
WWUS53 KFSD 130026
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
726 PM CDT MON SEP 12 2005

MNC081-SDC011-130045-
/O.CON.KFSD.TO.W.0023.000000T0000Z-050913T0045Z/
LINCOLN MN-BROOKINGS SD-
726 PM CDT MON SEP 12 2005

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR BROOKINGS
AND LINCOLN COUNTIES...

AT 726 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HENDRICKS...OR
ABOUT 22 MILES NORTHEAST OF BROOKINGS...MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL LINCOLN COUNTY THROUGH 740 PM CDT

ROTATIONS CONTINUED TO BE REPORTED WITH VARIOUS THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH DAKOTA.

LAT...LON 4443 9675 4421 9668 4454 9618 4463 9645

$$
RSR
000 
WWUS53 KFSD 130045
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
745 PM CDT MON SEP 12 2005

MNC081-SDC011-130055-
/O.EXP.KFSD.TO.W.0023.000000T0000Z-050913T0045Z/
LINCOLN MN-BROOKINGS SD-
745 PM CDT MON SEP 12 2005

...THE TORNADO WARNING FOR BROOKINGS AND LINCOLN COUNTIES EXPIRES AT
745 PM CDT...

THE STORMS ARE NO LONGER SEVERE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT TUESDAY MORNING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND SOUTHEASTERN SOUTH
DAKOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
MONDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND
SOUTHEASTERN SOUTH DAKOTA.

LAT...LON 4443 9675 4421 9668 4454 9618 4463 9645

$$
RSR

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 7:06 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix, Hutchinson24 min
Sep 12, 7:22 PM CDTSevere Thunderstorm WarningFSDKingsbury23 min
Sep 12, 7:28 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson32 min
Sep 12, 7:58 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson, Yankton47 min
Sep 12, 8:44 PM CDTSevere Thunderstorm WarningFSDTurner, Yankton46 min
Sep 12, 9:25 PM CDTSevere Thunderstorm WarningFSDClay, Yankton35 min
Sep 12, 9:28 PM CDTSevere Thunderstorm WarningFSDLincoln, Turner47 min
Sep 12, 9:37 PM CDTSevere Thunderstorm WarningFSDMoody38 min
Sep 12, 9:56 PM CDTSevere Thunderstorm WarningFSDClay26 min
Sep 12, 10:11 PM CDTSevere Thunderstorm WarningFSDLincoln34 min
Sep 12, 9:04 PM CDTSevere Thunderstorm WarningFSDLyon, Murray41 min
Sep 12, 9:45 PM CDTSevere Thunderstorm WarningFSDMurray30 min
Sep 12, 10:38 PM CDTSevere Thunderstorm WarningFSDMurray38 min
Sep 12, 11:35 PM CDTSevere Thunderstorm WarningFSDJackson30 min

Nearby

Tornado Warnings in South Dakota, 2005Tornado Warnings in Minnesota, 2005Every tornado warning in 2005Tornadoes in 2005

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.