Alert archive / South Dakota / Tornado Warnings in 2003

Tornado Warning 10, NWS Aberdeen, SD

June 11, 2003Sully County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 11, 2003, 8:13 PM CDT for Sully County, South Dakota. It was in force for 47 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: Jun 11, 2003, 8:13 PM CDT (01:13 UTC)
Expired: Jun 11, 2003, 9:00 PM CDT
In force: 47 min
Issued by: NWS Aberdeen, SD
Area: Counties, with a storm outline in the text

County Sully County, SD

The radar

The Aberdeen radar (KABR), 138 km from the middle of the area, began a volume at 01:14 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 nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 121 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 69 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1547 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 177 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.

172 
WFUS53 KABR 120113
TORABR
SDC119-120200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
813 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  SULLY COUNTY IN CENTRAL SOUTH DAKOTA

* UNTIL 900 PM CDT

* AT 813 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER AGAR...OR
  ABOUT 9 MILES NORTH OF ONIDA...MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL SULLY COUNTY EAST OF AGAR THROUGH 830 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.

LAT...LON 4489 10011 4472 10005 4470 9968 4489 9968

$$
HARDING

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:02 PM CDT	Severe Thunderstorm Warning	ABR	Sully	58 min
Jun 11, 7:04 PM CDT	Tornado Warning	ABR	Hughes, Lyman	41 min
Jun 11, 7:06 PM CDT	Tornado Warning	ABR	Hughes, Sully	39 min
Jun 11, 7:16 PM CDT	Severe Thunderstorm Warning	ABR	Dewey, Potter	44 min
Jun 11, 7:32 PM CDT	Tornado Warning	ABR	Potter	43 min
Jun 11, 7:42 PM CDT	Tornado Warning	ABR	Hughes	33 min
Jun 11, 7:42 PM CDT	Tornado Warning	ABR	Lyman	48 min
Jun 11, 7:49 PM CDT	Tornado Warning	ABR	Sully	26 min
Jun 11, 7:54 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk	66 min
Jun 11, 8:06 PM CDT	Tornado Warning	ABR	Hyde	39 min
Jun 11, 8:18 PM CDT	Tornado Warning	ABR	Hughes	27 min
Jun 11, 8:28 PM CDT	Tornado Warning	ABR	Lyman	47 min
Jun 11, 8:46 PM CDT	Severe Thunderstorm Warning	ABR	Hyde	44 min
Jun 11, 9:17 PM CDT	Tornado Warning	ABR	Lyman	13 min
Jun 11, 9:18 PM CDT	Flash Flood Warning	ABR	Lyman	3 hr
Jun 11, 9:31 PM CDT	Tornado Warning	ABR	Lyman	44 min

Nearby

Tornado Warnings in South Dakota, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.