Alert archive / South Dakota / Tornado Warnings in 2003

Tornado Warning 12, NWS Sioux Falls, SD

June 24, 2003Clay County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 24, 2003, 5:54 PM CDT for Clay County, South Dakota. It was in force for 51 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 24, 2003, 5:54 PM CDT (22:54 UTC)
Expired: Jun 24, 2003, 6:45 PM CDT
In force: 51 min
Issued by: NWS Sioux Falls, SD
Area: Counties, with a storm outline in the text

County Clay County, SD

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 24, 2:15 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 346 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1284 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 13 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.

012 
WFUS53 KFSD 242254
TORFSD
SDC027-242345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
553 PM CDT TUE JUN 24 2003

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 645 PM CDT

* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A DEVELOPING TORNADO 9 MILES SOUTH OF WAKONDA...
  OR ABOUT 13 MILES NORTHWEST OF VERMILLION...MOVING NORTH AT 40 MPH.

* SOME LOCATIONS AFFECTED...
  WAKONDA AROUND 605 PM CDT

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

A TORNADO WAS ERPORTED ON THE GROUND BETWEEN YANKTON AND VERMILLION.

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW. ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

LAT...LON 4308 9716 4280 9715 4272 9681 4308 9682

$$

08

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 10:40 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Union	50 min
Jun 23, 11:46 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	44 min
Jun 24, 12:06 AM CDT	Severe Thunderstorm Warning	FSD	Lake	39 min
Jun 24, 12:45 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Union	30 min
Jun 24, 12:46 AM CDT	Severe Thunderstorm Warning	FSD	Lake	29 min
Jun 24, 1:15 AM CDT	Severe Thunderstorm Warning	FSD	Lake	45 min
Jun 24, 1:21 AM CDT	Severe Thunderstorm Warning	FSD	Charles Mix	39 min
Jun 24, 1:38 AM CDT	Severe Thunderstorm Warning	FSD	Douglas	37 min
Jun 24, 1:48 AM CDT	Severe Thunderstorm Warning	FSD	Aurora	42 min
Jun 24, 1:58 AM CDT	Severe Thunderstorm Warning	FSD	Davison	32 min
Jun 24, 2:16 AM CDT	Severe Thunderstorm Warning	FSD	Brule	29 min
Jun 24, 2:20 AM CDT	Severe Thunderstorm Warning	FSD	Jerauld, Sanborn	40 min
Jun 24, 2:30 AM CDT	Severe Thunderstorm Warning	FSD	Davison	30 min
Jun 24, 2:34 AM CDT	Severe Thunderstorm Warning	FSD	Hanson	26 min
Jun 24, 2:49 AM CDT	Severe Thunderstorm Warning	FSD	Miner	41 min
Jun 24, 2:53 AM CDT	Severe Thunderstorm Warning	FSD	Beadle	37 min
Jun 24, 3:03 AM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	42 min
Jun 24, 4:53 PM CDT	Severe Thunderstorm Warning	FSD	Davison	37 min
Jun 24, 5:13 PM CDT	Tornado Warning	FSD	Davison	32 min
Jun 24, 5:26 PM CDT	Severe Thunderstorm Warning	FSD	Clay	49 min
Jun 24, 5:33 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	42 min
Jun 24, 5:44 PM CDT	Tornado Warning	FSD	Sanborn	46 min
Jun 24, 5:52 PM CDT	Tornado Warning	FSD	Jerauld	38 min
Jun 24, 6:10 PM CDT	Tornado Warning	FSD	Sanborn	50 min
Jun 24, 6:14 PM CDT	Tornado Warning	FSD	Lincoln	31 min
Jun 24, 6:28 PM CDT	Tornado Warning	FSD	Lincoln, Minnehaha	47 min
Jun 24, 6:37 PM CDT	Tornado Warning	FSD	Clay	38 min
Jun 24, 6:41 PM CDT	Tornado Warning	FSD	Beadle	49 min
Jun 24, 6:51 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	24 min
Jun 24, 6:54 PM CDT	Tornado Warning	FSD	Turner	51 min
Jun 24, 6:57 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	48 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.