Alert archive / South Dakota / Tornado Warnings in 2007

Tornado Warning 21, NWS Aberdeen, SD

August 8, 2007Faulk County, Spink County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Aug 8, 2007, 5:12 PM CDT for Faulk County, Spink County, South Dakota. It was in force for 33 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
Aug 8, 2007, 5:12 PM CDT (22:12 UTC)
Expired
Aug 8, 2007, 5:45 PM CDT
In force
33 min
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

Counties Faulk County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 52 km from the middle of the area, began a volume at 22:13 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
Aug 8, 5:15 PM CDTHAIL 16 Nw Athol, SD
Aug 8, 5:50 PM CDTHAIL 0.882 Ne Athol, 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
Aug 8, 3:56 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.2 hours before the alert went out and 31 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 2007-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 244 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 2007-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
244 J/kg
Mixed-layer CIN
-248 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KABR 082212
TORABR
SDC049-115-082245-
/O.NEW.KABR.TO.W.0021.070808T2212Z-070808T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
512 PM CDT WED AUG 8 2007

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN FAULK COUNTY IN NORTH CENTRAL SOUTH DAKOTA...
  WEST CENTRAL SPINK COUNTY IN NORTHEAST SOUTH DAKOTA...

* UNTIL 545 PM CDT

* AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF
  ATHOL...OR 16 MILES EAST OF FAULKTON...MOVING SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  ATHOL AROUND 535 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 900 PM CDT
WEDNESDAY EVENING FOR NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4512 9881 4502 9889 4486 9868 4509 9848

$$
TDK
1 follow-up statement
000 
WWUS53 KABR 082234
SVSABR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
534 PM CDT WED AUG 8 2007

SDC049-082244-
/O.CAN.KABR.TO.W.0021.000000T0000Z-070808T2245Z/
FAULK SD-
534 PM CDT WED AUG 8 2007

...THE TORNADO WARNING FOR FAULK COUNTY HAS BEEN CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
WEDNESDAY EVENING FOR NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4510 9872 4499 9872 4486 9868 4510 9847

$$

SDC115-082245-
/O.CON.KABR.TO.W.0021.000000T0000Z-070808T2245Z/
SPINK SD-
534 PM CDT WED AUG 8 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WEST
CENTRAL SPINK COUNTY...

AT 533 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ATHOL...OR 10
MILES NORTHWEST OF REDFIELD...MOVING SOUTHEAST AT 20 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
WEDNESDAY EVENING FOR NORTHEASTERN SOUTH DAKOTA.

LAT...LON 4510 9872 4499 9872 4486 9868 4510 9847

$$
TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 3:34 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk56 min
Aug 8, 4:21 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk54 min
Aug 8, 4:26 PM CDTTornado WarningABRMcPherson34 min
Aug 8, 4:37 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk38 min
Aug 8, 5:01 PM CDTSevere Thunderstorm WarningABRMcPherson44 min
Aug 8, 5:24 PM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hyde66 min
Aug 8, 5:48 PM CDTSevere Thunderstorm WarningABRSpink57 min
Aug 8, 6:34 PM CDTSevere Thunderstorm WarningABRBuffalo26 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.