Alert archive / South Dakota / Tornado Warnings in 2007

Tornado Warning 26, NWS Sioux Falls, SD

May 5, 2007Aurora County, Jerauld County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at May 5, 2007, 6:06 PM CDT for Aurora County, Jerauld County, South Dakota. It was in force for 39 min. 3 reports 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
May 5, 2007, 6:06 PM CDT (23:06 UTC)
Expired
May 5, 2007, 6:45 PM CDT
In force
39 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

Counties Aurora County, SD, Jerauld County, SD

The radar

The Sioux Falls radar (KFSD), 141 km from the middle of the area, began a volume at 23:09 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.

What was reported inside it

TimeReportWhereRemark
May 5, 6:08 PM CDTTORNADO2 E Plankinton, SD1 MILE EAST OF HWY 281
May 5, 6:08 PM CDTTORNADO2 E Plankinton, SD1 MILE EAST OF HWY 281. CONTINUATION OF TORNADO 15 MILES WEST OF MITCHELL AT 605 PM. RATED EF3.
May 5, 6:25 PM CDTHAIL 14 S Lane, SD

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
May 5, 4:33 PM CDTTornado Watch PDSSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.1 hours before the alert went out and 111 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 12:00Z on 2007-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 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 12:00Z on 2007-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.19395878Sfc1 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
302 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
165 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 052309
TORFSD
SDC003-073-052345-
/O.NEW.KFSD.TO.W.0026.070505T2306Z-070505T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
608 PM CDT SAT MAY 5 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN JERAULD COUNTY IN EAST CENTRAL SOUTH DAKOTA
  NORTHEASTERN AURORA COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 645 PM CDT

* AT 608 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO ALONG
  INTERSTATE 90 AT MILE MARKER 310...HIGHWAY 281...OR ABOUT
  19 MILES WEST OF MITCHELL...MOVING NORTH AT 35 MPH.

* THE TORNADO WILL BE NEAR...
   LANE AROUND 640 PM CDT...
   ALPENA AROUND 645 PM CDT...

THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY
ISSUED FOR THE WARNED AREA.

A TRAINED WEATHER SPOTTER REPORTED

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING
FOR NORTHWEST IOWA.

LAT...LON 4370 9849 4370 9834 4420 9835 4420 9849

$$

CHAPMAN
3 follow-up statements
000 
WWUS53 KFSD 052318
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
617 PM CDT SAT MAY 5 2007

SDC003-073-052345-
/O.CON.KFSD.TO.W.0026.000000T0000Z-070505T2345Z/
JERAULD SD-AURORA SD-
617 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN AURORA AND EASTERN JERAULD COUNTIES...

AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 16 MILES SOUTH OF
LANE...OR ABOUT 20 MILES WEST OF MITCHELL...MOVING NORTH AT 55 MPH.

THE TORNADO WILL BE NEAR...
   LANE AROUND 630 PM CDT...
   ALPENA AROUND 635 PM CDT...

AT 609 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO 3 MILES EAST AND 
1 MILE NORTH OF PLANKINTON.

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

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.


LAT...LON 4370 9849 4370 9834 4420 9835 4420 9849

$$

SCHUMACHER
000 
WWUS53 KFSD 052340
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
639 PM CDT SAT MAY 5 2007

SDC003-052349-
/O.CAN.KFSD.TO.W.0026.000000T0000Z-070505T2345Z/
AURORA SD-
639 PM CDT SAT MAY 5 2007

...THE TORNADO WARNING FOR NORTHEASTERN AURORA COUNTY IS CANCELLED...

THE TORNADIC THUNDERSTORM HAS MOVED NORTH INTO JERAULD COUNTY. 
ADDITIONAL THUNDERSTORMS WILL CONTINUE THIS EVENING...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING FOR 
SOUTHEAST SOUTH DAKOTA.

LAT...LON 4394 9849 4396 9835 4420 9835 4420 9854

$$

SDC073-052345-
/O.CON.KFSD.TO.W.0026.000000T0000Z-070505T2345Z/
JERAULD SD-
639 PM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR EASTERN
JERAULD COUNTY...

AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 4 MILES NORTH OF
LANE...OR ABOUT 20 MILES SOUTHWEST OF HURON...MOVING NORTH AT 65 MPH.

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

LAT...LON 4394 9849 4396 9835 4420 9835 4420 9854

$$

CHAPMAN
000 
WWUS53 KFSD 052349
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
647 PM CDT SAT MAY 5 2007

SDC073-052357-
/O.EXP.KFSD.TO.W.0026.000000T0000Z-070505T2345Z/
JERAULD SD-
647 PM CDT SAT MAY 5 2007

...THE TORNADO WARNING FOR EASTERN JERAULD COUNTY EXPIRES AT 645 PM
CDT...
...A TORNADO WARNING CONTINUES FOR WESTERN JERAULD COUNTY UNTIL 715 
PM CDT...

AT 647 PM CDT...A TORNADIC THUNDERSTORM WAS LOCATED OVER EXTREME 
SOUTHWESTERN JERAULD COUNTY.  THIS STORM WAS MOVING NORTH AT 45 MPH.

THE THUNDERSTORMS OVER EASTERN JERUALD COUNTY HAVE WEAKENED...AND
ARE NO LONGER SEVERE.

LAT...LON 4394 9849 4396 9835 4420 9835 4420 9854

$$

CHAPMAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:25 PM CDTSevere Thunderstorm WarningFSDHanson35 min
May 4, 7:43 PM CDTTornado WarningFSDHanson32 min
May 4, 7:50 PM CDTTornado WarningFSDHanson25 min
May 4, 8:12 PM CDTSevere Thunderstorm WarningFSDLake, Miner33 min
May 4, 8:14 PM CDTTornado WarningFSDHanson31 min
May 4, 9:04 PM CDTSevere Thunderstorm WarningFSDDavison26 min
May 4, 9:24 PM CDTSevere Thunderstorm WarningFSDDavison, Sanborn36 min
May 5, 12:12 AM CDTFlash Flood WarningFSDBeadle3 hr
May 5, 5:29 AM CDTSevere Thunderstorm WarningFSDUnion19 min
May 5, 12:29 PM CDTSevere Thunderstorm WarningFSDLincoln31 min
May 5, 12:45 PM CDTSevere Thunderstorm WarningFSDYankton30 min
May 5, 12:58 PM CDTSevere Thunderstorm WarningFSDLincoln, Minnehaha47 min
May 5, 1:07 PM CDTSevere Thunderstorm WarningFSDTurner38 min
May 5, 1:15 PM CDTSevere Thunderstorm WarningFSDYankton15 min
May 5, 1:21 PM CDTSevere Thunderstorm WarningFSDYankton39 min
May 5, 1:55 PM CDTFlash Flood WarningFSDBon Homme, Hutchinson, Yankton3 hr
May 5, 2:22 PM CDTFlash Flood WarningFSDHanson4 hr
May 5, 2:49 PM CDTSevere Thunderstorm WarningFSDLake, McCook, Miner41 min
May 5, 2:58 PM CDTSevere Thunderstorm WarningFSDHanson32 min
May 5, 3:25 PM CDTFlash Flood WarningFSDMiner6 hr
May 5, 3:31 PM CDTSevere Thunderstorm WarningFSDHanson, McCook, Miner44 min
May 5, 3:51 PM CDTTornado WarningFSDMiner24 min
May 5, 3:51 PM CDTTornado WarningFSDBon Homme54 min
May 5, 3:58 PM CDTSevere Thunderstorm WarningFSDHanson32 min
May 5, 4:00 PM CDTFlash Flood WarningFSDBeadle, Kingsbury, Sanborn6 hr
May 5, 4:08 PM CDTTornado WarningFSDHanson, Miner37 min
May 5, 4:10 PM CDTTornado WarningFSDGregory50 min
May 5, 4:34 PM CDTTornado WarningFSDDavison26 min
May 5, 4:38 PM CDTSevere Thunderstorm WarningFSDKingsbury36 min
May 5, 4:38 PM CDTTornado WarningFSDHutchinson37 min
May 5, 4:45 PM CDTSevere Thunderstorm WarningFSDMiner15 min
May 5, 4:45 PM CDTTornado WarningFSDBon Homme21 min
May 5, 4:53 PM CDTFlash Flood WarningFSDBon Homme, Hutchinson, Yankton6 hr
May 5, 4:59 PM CDTTornado WarningFSDSanborn31 min
May 5, 5:00 PM CDTSevere Thunderstorm WarningFSDGregory30 min
May 5, 5:13 PM CDTTornado WarningFSDHanson47 min
May 5, 5:14 PM CDTTornado WarningFSDHutchinson19 min
May 5, 5:22 PM CDTSevere Thunderstorm WarningFSDBeadle, Kingsbury23 min
May 5, 5:24 PM CDTTornado WarningFSDDavison36 min
May 5, 5:28 PM CDTSevere Thunderstorm WarningFSDYankton47 min
May 5, 5:29 PM CDTSevere Thunderstorm WarningFSDDouglas16 min
May 5, 5:39 PM CDTTornado WarningFSDYankton36 min
May 5, 5:41 PM CDTSevere Thunderstorm WarningFSDAurora49 min
May 5, 5:46 PM CDTSevere Thunderstorm WarningFSDKingsbury13 min
May 5, 5:50 PM CDTSevere Thunderstorm WarningFSDGregory25 min
May 5, 5:59 PM CDTTornado WarningFSDHanson, Miner, Sanborn29 min
May 5, 6:11 PM CDTTornado WarningFSDCharles Mix, Gregory34 min
May 5, 6:13 PM CDTTornado WarningFSDHutchinson, Turner, Yankton32 min
May 5, 6:22 PM CDTFlash Flood WarningFSDBrule3 hr
May 5, 6:28 PM CDTTornado WarningFSDBrule19 min
May 5, 6:43 PM CDTSevere Thunderstorm WarningFSDHutchinson, McCook32 min
May 5, 6:45 PM CDTTornado WarningFSDJerauld30 min

Nearby

Tornado Warnings in South Dakota, 2007Every tornado warning in 2007Tornadoes in 2007

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.