Alert archive / South Dakota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 101, NWS Sioux Falls, SD

June 24, 2003Clay County, South Dakota; Dixon County, Nebraska

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 24, 2003, 5:26 PM CDT for Clay County, South Dakota; Dixon County, Nebraska. It was in force for 49 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, 5:26 PM CDT (22:26 UTC)
Expired
Jun 24, 2003, 6:15 PM CDT
In force
49 min
Issued by
NWS Sioux Falls, SD
Area
Counties, with a storm outline in the text

Counties Dixon County, NE, Clay County, SD

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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.4 hours before the alert went out and 350 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, N. Platte/Lee Bi, NE at 12:00Z on 2003-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 413 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, N. Platte/Lee Bi, NE at 12:00Z on 2003-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
413 J/kg
Mixed-layer CIN
-377 J/kg
Mixed-layer LCL
1537 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
51 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.

000 
WUUS53 KFSD 242226
SVRFSD
NEC051-SDC027-242315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
525 PM CDT TUE JUN 24 2003

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DIXON COUNTY IN NORTHEAST NEBRASKA
  CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 615 PM CDT

* AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH GOLF BALL SIZE HAIL...13 MILES WEST OF
  NEWCASTLE...OR ABOUT 8 MILES EAST OF HARTINGTON...MOVING NORTHEAST
  AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NEWCASTLE AROUND 535 PM CDT
  VERMILLION AROUND 550 PM CDT
  WAKONDA AROUND 605 PM CDT

A TORNADO WATCH IS ALSO IN EFFECT FOR THE AREA. SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO
MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

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

LAT...LON 4281 9715 4277 9702 4253 9700 4253 9680
          4307 9682 4308 9714

$$

08

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 23, 11:46 PM CDTSevere Thunderstorm WarningFSDMinnehaha44 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, 5:33 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
Jun 23, 10:04 PM CDTTornado WarningFSDDixon56 min
Jun 23, 10:47 PM CDTSevere Thunderstorm WarningFSDDakota58 min
Jun 23, 11:00 PM CDTSevere Thunderstorm WarningFSDDixon30 min
Jun 23, 11:13 PM CDTFlash Flood WarningFSDDixon2 hr
Jun 23, 11:32 PM CDTSevere Thunderstorm WarningFSDDakota28 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2003Severe Thunderstorm Warnings in Nebraska, 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.