Alert archive / South Dakota / Tornado Warnings in 2003

Tornado Warning 24, NWS Sioux Falls, SD

June 24, 2003Gregory County, South Dakota

NWS Sioux Falls, SD issued this tornado warning at Jun 24, 2003, 7:45 PM CDT for Gregory County, South Dakota. It was in force for 30 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, 7:45 PM CDT (00:45 UTC)
Expired
Jun 24, 2003, 8:15 PM CDT
In force
30 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

County Gregory County, SD

The radar

The North Platte radar (KLNX), 179 km from the middle of the area, began a volume at 00:47 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 24, 2:15 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.8 hours before the alert went out and 209 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 2003-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 728 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2003-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 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
728 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
552 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

596 
WFUS53 KFSD 250045
TORFSD
SDC053-250115-

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEAST GREGORY COUNTY IN SOUTH CENTRAL SOUTH DAKOTA

* UNTIL 815 PM CDT

* AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A DEVELOPING TORNADO OVER BONESTEEL...OR ABOUT 20
  MILES SOUTHEAST OF BURKE...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED...
RURAL GREGORY COUNTY THROUGH 800 PM CDT

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

LAT...LON 4301 9926 4300 9876 4303 9860 4328 9905

$$

08

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:14 PM CDTTornado WarningFSDClay, Lincoln46 min
Jun 24, 7:18 PM CDTTornado WarningFSDKingsbury27 min
Jun 24, 7:35 PM CDTTornado WarningFSDCharles Mix, Douglas40 min
Jun 24, 7:40 PM CDTTornado WarningFSDKingsbury50 min
Jun 24, 7:43 PM CDTTornado WarningFSDTurner32 min
Jun 24, 7:51 PM CDTTornado WarningFSDLincoln54 min
Jun 24, 8:03 PM CDTSevere Thunderstorm WarningFSDAurora42 min
Jun 24, 8:05 PM CDTSevere Thunderstorm WarningFSDGregory40 min
Jun 24, 8:10 PM CDTTornado WarningFSDJerauld35 min
Jun 24, 8:15 PM CDTTornado WarningFSDTurner45 min
Jun 24, 8:16 PM CDTTornado WarningFSDCharles Mix, Douglas44 min
Jun 24, 8:20 PM CDTSevere Thunderstorm WarningFSDBeadle40 min
Jun 24, 8:20 PM CDTSevere Thunderstorm WarningFSDDavison55 min
Jun 24, 8:23 PM CDTSevere Thunderstorm WarningFSDMinnehaha37 min
Jun 24, 8:28 PM CDTFlash Flood WarningFSDCharles Mix, Douglas, Gregory4 hr
Jun 24, 8:29 PM CDTTornado WarningFSDKingsbury31 min
Jun 24, 8:31 PM CDTSevere Thunderstorm WarningFSDSanborn44 min
Jun 24, 8:35 PM CDTTornado WarningFSDClay25 min
Jun 24, 8:37 PM CDTSevere Thunderstorm WarningFSDMcCook38 min
Jun 24, 8:44 PM CDTTornado WarningFSDLincoln31 min
Jun 24, 8:44 PM CDTTornado WarningFSDBeadle46 min
Jun 24, 8:45 PM CDTSevere Thunderstorm WarningFSDAurora45 min
Jun 24, 8:49 PM CDTSevere Thunderstorm WarningFSDKingsbury41 min
Jun 24, 8:55 PM CDTSevere Thunderstorm WarningFSDMinnehaha50 min
Jun 24, 8:56 PM CDTTornado WarningFSDDouglas49 min
Jun 24, 8:58 PM CDTTornado WarningFSDLincoln, Turner47 min
Jun 24, 9:05 PM CDTSevere Thunderstorm WarningFSDBrule, Jerauld25 min
Jun 24, 9:14 PM CDTSevere Thunderstorm WarningFSDHanson, Hutchinson46 min
Jun 24, 9:15 PM CDTSevere Thunderstorm WarningFSDDavison45 min
Jun 24, 9:17 PM CDTSevere Thunderstorm WarningFSDMcCook43 min
Jun 24, 9:19 PM CDTSevere Thunderstorm WarningFSDBon Homme41 min
Jun 24, 9:30 PM CDTSevere Thunderstorm WarningFSDBeadle, Kingsbury30 min
Jun 24, 9:32 PM CDTTornado WarningFSDMcCook, Minnehaha43 min
Jun 24, 9:41 PM CDTSevere Thunderstorm WarningFSDCharles Mix34 min
Jun 24, 9:43 PM CDTTornado WarningFSDBeadle, Kingsbury32 min
Jun 24, 9:48 PM CDTSevere Thunderstorm WarningFSDYankton42 min
Jun 24, 9:51 PM CDTSevere Thunderstorm WarningFSDTurner39 min
Jun 24, 9:59 PM CDTSevere Thunderstorm WarningFSDBon Homme, Hutchinson31 min
Jun 24, 10:01 PM CDTSevere Thunderstorm WarningFSDMcCook29 min
Jun 24, 10:13 PM CDTSevere Thunderstorm WarningFSDClay47 min
Jun 24, 10:14 PM CDTTornado WarningFSDMinnehaha46 min
Jun 24, 10:28 PM CDTSevere Thunderstorm WarningFSDTurner32 min
Jun 24, 10:31 PM CDTTornado WarningFSDLake, Moody44 min
Jun 24, 10:34 PM CDTTornado WarningFSDTurner26 min
Jun 24, 10:38 PM CDTTornado WarningFSDLincoln52 min
Jun 24, 10:58 PM CDTSevere Thunderstorm WarningFSDMinnehaha32 min
Jun 24, 11:08 PM CDTSevere Thunderstorm WarningFSDBrookings37 min
Jun 25, 12:15 AM CDTFlash Flood WarningFSDClay, Lincoln, Union4 hr

Nearby

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