Alert archive / South Dakota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 75, NWS Sioux Falls, SD

June 23, 2003Minnehaha County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 23, 2003, 11:46 PM CDT for Minnehaha County, South Dakota. It was in force for 44 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 23, 2003, 11:46 PM CDT (04:46 UTC)
Expired
Jun 24, 2003, 12:30 AM CDT
In force
44 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

County Minnehaha County, SD

The radar

The Sioux Falls radar (KFSD), 5 km from the middle of the area, began a volume at 04:46 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 23, 11:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 4.8 hours before the alert went out and 195 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 2003-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 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 2003-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
1534 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

113 
WUUS53 KFSD 240446
SVRFSD
SDC099-240530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1146 PM CDT MON JUN 23 2003

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 1230 AM CDT

* AT 1146 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SIOUX FALLS...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SIOUX FALLS AROUND 1150 AM CDT
  BRANDON AROUND MIDNIGHT CDT
  GARRETSON AROUND 1215 AM CDT

THIS STORM WILL PRODUCE LARGE HAIL. GO INSIDE A STURDY BUILDING AND
STAY AWAY FROM WINDOWS.

LAT...LON 4366 9689 4352 9684 4352 9649 4378 9649

$$

BOUSTEAD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 10:40 PM CDTSevere Thunderstorm WarningFSDClay, Union50 min
Jun 24, 12:06 AM CDTSevere Thunderstorm WarningFSDLake39 min
Jun 24, 12:45 AM CDTSevere Thunderstorm WarningFSDClay, Union30 min
Jun 24, 12:46 AM CDTSevere Thunderstorm WarningFSDLake29 min
Jun 24, 1:15 AM CDTSevere Thunderstorm WarningFSDLake45 min
Jun 24, 1:21 AM CDTSevere Thunderstorm WarningFSDCharles Mix39 min
Jun 24, 1:38 AM CDTSevere Thunderstorm WarningFSDDouglas37 min
Jun 24, 1:48 AM CDTSevere Thunderstorm WarningFSDAurora42 min
Jun 24, 1:58 AM CDTSevere Thunderstorm WarningFSDDavison32 min
Jun 24, 2:16 AM CDTSevere Thunderstorm WarningFSDBrule29 min
Jun 24, 2:20 AM CDTSevere Thunderstorm WarningFSDJerauld, Sanborn40 min
Jun 24, 2:30 AM CDTSevere Thunderstorm WarningFSDDavison30 min
Jun 24, 2:34 AM CDTSevere Thunderstorm WarningFSDHanson26 min
Jun 24, 2:49 AM CDTSevere Thunderstorm WarningFSDMiner41 min
Jun 24, 2:53 AM CDTSevere Thunderstorm WarningFSDBeadle37 min
Jun 24, 3:03 AM CDTSevere Thunderstorm WarningFSDKingsbury42 min
Jun 24, 4:53 PM CDTSevere Thunderstorm WarningFSDDavison37 min
Jun 24, 5:13 PM CDTTornado WarningFSDDavison32 min
Jun 24, 5:26 PM CDTSevere Thunderstorm WarningFSDClay49 min
Jun 24, 5:33 PM CDTSevere Thunderstorm WarningFSDSanborn42 min
Jun 24, 5:44 PM CDTTornado WarningFSDSanborn46 min
Jun 24, 5:52 PM CDTTornado WarningFSDJerauld38 min
Jun 24, 5:54 PM CDTTornado WarningFSDClay51 min
Jun 24, 6:10 PM CDTTornado WarningFSDSanborn50 min
Jun 24, 6:14 PM CDTTornado WarningFSDLincoln31 min
Jun 24, 6:28 PM CDTTornado WarningFSDLincoln, Minnehaha47 min
Jun 24, 6:37 PM CDTTornado WarningFSDClay38 min
Jun 24, 6:41 PM CDTTornado WarningFSDBeadle49 min
Jun 24, 6:51 PM CDTSevere Thunderstorm WarningFSDMinnehaha24 min
Jun 24, 6:54 PM CDTTornado WarningFSDTurner51 min
Jun 24, 6:57 PM CDTSevere Thunderstorm WarningFSDKingsbury48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2003Every severe thunderstorm warning 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.