Alert archive / South Dakota / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 319

May 28, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at May 28, 2004, 3:45 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 28, 2004, 3:45 PM CDT (20:45 UTC)
Expired
May 28, 2004, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 79 counties

Cherokee County, IA, Crawford County, IA, Harrison County, IA, Ida County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Shelby County, IA, Sioux County, IA, Woodbury County, IA, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Yellow Medicine County, MN, Antelope County, NE, Boone County, NE, Boyd County, NE, Burt County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Garfield County, NE, Greeley County, NE, Holt County, NE, Keya Paha County, NE, Knox County, NE, Loup County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Rock County, NE, Stanton County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Wayne County, NE, Wheeler County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Clark County, SD, Clay County, SD, Davison County, SD, Deuel County, SD, Douglas County, SD, Gregory County, SD, Hamlin County, SD, Hand County, SD, Hanson County, SD, Hughes County, SD, Hutchinson County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, Lyman County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Sully County, SD, Tripp County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 49 km from the middle of the area, began a volume at 20:46 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.

Warnings issued inside it

35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 28, 4:49 PM CDTSevere Thunderstorm WarningFSDBon Homme26 min
May 28, 5:14 PM CDTSevere Thunderstorm WarningFSDBon Homme31 min
May 28, 5:29 PM CDTSevere Thunderstorm WarningFSDYankton46 min
May 28, 5:34 PM CDTSevere Thunderstorm WarningFSDHutchinson, McCook, Turner41 min
May 28, 5:57 PM CDTSevere Thunderstorm WarningFSDHanson33 min
May 28, 6:17 PM CDTSevere Thunderstorm WarningOAXCedar28 min
May 28, 6:17 PM CDTSevere Thunderstorm WarningFSDMcCook, Minnehaha, Turner43 min
May 28, 6:24 PM CDTSevere Thunderstorm WarningFSDYankton36 min
May 28, 6:36 PM CDTSevere Thunderstorm WarningFSDClay24 min
May 28, 6:51 PM CDTSevere Thunderstorm WarningFSDDixon39 min
May 28, 6:56 PM CDTTornado WarningFSDLincoln, Turner49 min
May 28, 7:05 PM CDTSevere Thunderstorm WarningFSDMcCook, Minnehaha40 min
May 28, 7:30 PM CDTSevere Thunderstorm WarningFSDDixon45 min
May 28, 7:31 PM CDTTornado WarningFSDLincoln, Turner44 min
May 28, 7:47 PM CDTSevere Thunderstorm WarningFSDLyon43 min
May 28, 8:01 PM CDTTornado WarningFSDClay, Union29 min
May 28, 8:04 PM CDTTornado WarningFSDSioux41 min
May 28, 8:10 PM CDTTornado WarningFSDLincoln35 min
May 28, 8:15 PM CDTSevere Thunderstorm WarningFSDDakota, Dixon30 min
May 28, 8:26 PM CDTSevere Thunderstorm WarningFSDPlymouth, Woodbury49 min
May 28, 8:31 PM CDTTornado WarningFSDDakota29 min
May 28, 8:35 PM CDTSevere Thunderstorm WarningFSDUnion25 min
May 28, 8:37 PM CDTTornado WarningFSDWoodbury23 min
May 28, 8:42 PM CDTTornado WarningFSDLincoln33 min
May 28, 8:43 PM CDTSevere Thunderstorm WarningFSDUnion17 min
May 28, 8:44 PM CDTTornado WarningFSDSioux46 min
May 28, 8:55 PM CDTTornado WarningFSDUnion35 min
May 28, 8:59 PM CDTTornado WarningFSDWoodbury31 min
May 28, 9:27 PM CDTTornado WarningFSDSioux33 min
May 28, 9:31 PM CDTTornado WarningFSDWoodbury29 min
May 28, 9:35 PM CDTSevere Thunderstorm WarningFSDPlymouth25 min
May 28, 9:41 PM CDTSevere Thunderstorm WarningABRSully34 min
May 28, 9:48 PM CDTSevere Thunderstorm WarningFSDIda27 min
May 28, 9:57 PM CDTSevere Thunderstorm WarningFSDPlymouth, Sioux33 min
May 28, 9:57 PM CDTTornado WarningFSDWoodbury18 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 173 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 12:00Z on 2004-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2004-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1219 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 3:19 PM CDTMesoscale DiscussionSPCAntelope, Boyd, Cedar, Dakota, Dixon, Holt and 3 more116 min

Nearby

Severe Thunderstorm Watches in South Dakota, 2004Severe Thunderstorm Watches in Nebraska, 2004Severe Thunderstorm Watches in Iowa, 2004Every severe thunderstorm watch in 2004

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.