Alert archive / South Dakota / Tornado Warnings in 2007

Tornado Warning 9, NWS Aberdeen, SD

June 17, 2007Edmunds County, McPherson County, Walworth County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 17, 2007, 8:44 PM CDT for Edmunds County, McPherson County, Walworth County, South Dakota. It was in force for 46 min. 2 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
Jun 17, 2007, 8:44 PM CDT (01:44 UTC)
Expired
Jun 17, 2007, 9:30 PM CDT
In force
46 min
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

Counties Edmunds County, SD, McPherson County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 95 km from the middle of the area, began a volume at 01:47 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
Jun 17, 8:47 PM CDTTORNADO4 Nw Bowdle, SDRATED EF0 WITH ESTIMATED WIND SPEEDS OF 75 TO 85 MPH. DAMAGE TO TWO POLE BARNS. LARGE COTTONWOOD TREES ALSO DAMAGED. BACK WINDOWS BROKEN OUT OF TWO VEHICLES.
Jun 17, 8:47 PM CDTTORNADO4 Nw Bowdle, SDRATED EF0 WITH ESTIMATED WIND SPEEDS OF 75 TO 85 MPH. DAMAGE TO TWO POLE BARNS. LARGE COTTONWOOD TREES ALSO DAMAGED. BACK WINDOWS BROKEN OUT OF TWO VEHICLES.

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
Jun 17, 5:02 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.7 hours before the alert went out and 118 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 2007-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1834 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 2007-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
1834 J/kg
Mixed-layer CIN
-308 J/kg
Mixed-layer LCL
1665 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KABR 180144
TORABR
SDC045-089-129-180230-
/O.NEW.KABR.TO.W.0009.070618T0144Z-070618T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
844 PM CDT SUN JUN 17 2007

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN EDMUNDS COUNTY IN NORTH CENTRAL SOUTH DAKOTA...
  CENTRAL MCPHERSON COUNTY IN NORTH CENTRAL SOUTH DAKOTA...
  EAST CENTRAL WALWORTH COUNTY IN NORTH CENTRAL SOUTH DAKOTA...

* UNTIL 930 PM CDT

* AT 843 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR
  BOWDLE...OR 14 MILES EAST OF SELBY...MOVING NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  HOSMER AND HILLSVIEW AROUND 910 PM CDT...

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION. IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER NOW

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
ABERDEEN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
MONDAY MORNING FOR NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4544 9982 4536 9971 4561 9926 4578 9950

$$
HINTZ
2 follow-up statements
000 
WWUS53 KABR 180202
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
902 PM CDT SUN JUN 17 2007

SDC045-089-129-180230-
/O.CON.KABR.TO.W.0009.000000T0000Z-070618T0230Z/
MCPHERSON SD-WALWORTH SD-EDMUNDS SD-
902 PM CDT SUN JUN 17 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
NORTHWESTERN EDMUNDS...EAST CENTRAL WALWORTH AND CENTRAL MCPHERSON
COUNTIES...

AT 900 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BOWDLE...OR 18
MILES EAST OF SELBY...MOVING NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  HOSMER AND HILLSVIEW AROUND 930 PM CDT...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
MONDAY MORNING FOR NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4544 9982 4536 9971 4561 9926 4578 9950

$$
HINTZ
000 
WWUS53 KABR 180226
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
926 PM CDT SUN JUN 17 2007

SDC045-089-129-180236-
/O.EXP.KABR.TO.W.0009.000000T0000Z-070618T0230Z/
MCPHERSON SD-WALWORTH SD-EDMUNDS SD-
926 PM CDT SUN JUN 17 2007

...THE TORNADO WARNING FOR NORTHWESTERN EDMUNDS...EAST CENTRAL
WALWORTH AND CENTRAL MCPHERSON COUNTIES EXPIRES AT 930 PM CDT...

AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT
MONDAY MORNING FOR NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4544 9982 4536 9971 4561 9926 4578 9950

$$
HINTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:48 PM CDTSevere Thunderstorm WarningABRDewey, Potter, Stanley, Sully57 min
Jun 17, 7:56 PM CDTSevere Thunderstorm WarningABRDewey, Potter, Walworth64 min
Jun 17, 8:28 PM CDTSevere Thunderstorm WarningABRCampbell, Corson, McPherson, Walworth62 min
Jun 17, 8:41 PM CDTSevere Thunderstorm WarningABRPotter, Sully34 min
Jun 17, 9:03 PM CDTTornado WarningABRWalworth27 min
Jun 17, 9:07 PM CDTTornado WarningABRMcPherson38 min
Jun 17, 9:18 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully23 min
Jun 17, 9:28 PM CDTTornado WarningABRMcPherson17 min
Jun 17, 9:53 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds, McPherson52 min
Jun 17, 10:26 PM CDTSevere Thunderstorm WarningABRBrown34 min
Jun 17, 11:06 PM CDTFlash Flood WarningABRCampbell, Edmunds, McPherson, Walworth3 hr
Jun 18, 3:35 AM CDTWind AdvisoryABRBrown, Campbell, Corson, Day, Dewey, Edmunds and 7 more17 hr

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.