Alert archive / South Dakota / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 272

May 24, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at May 24, 2004, 10:10 AM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 24, 2004, 10:10 AM CDT (15:10 UTC)
Expired: May 24, 2004, 4:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 57 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sac County, IA, Sioux County, IA, Woodbury County, IA, Chippewa County, MN, Cottonwood County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Rock County, MN, Swift County, MN, Yellow Medicine County, MN, Cedar County, NE, Dakota County, NE, Dixon County, NE, Knox County, NE, Pierce County, NE, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Douglas County, SD, Grant County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Spink County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 67 km from the middle of the area, began a volume at 15:11 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

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

Issued	Product	Office	Counties	Lasted
May 24, 10:16 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Douglas	29 min
May 24, 10:46 AM CDT	Severe Thunderstorm Warning	OAX	Knox	29 min
May 24, 11:18 AM CDT	Severe Thunderstorm Warning	OAX	Madison, Pierce	42 min
May 24, 11:47 AM CDT	Severe Thunderstorm Warning	FSD	Yankton	28 min
May 24, 11:58 AM CDT	Severe Thunderstorm Warning	OAX	Cedar, Pierce, Wayne	47 min
May 24, 12:17 PM CDT	Severe Thunderstorm Warning	FSD	Clay	28 min
May 24, 12:22 PM CDT	Severe Thunderstorm Warning	FSD	Dixon	23 min
May 24, 12:46 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Union	29 min
May 24, 12:49 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Union	26 min
May 24, 12:51 PM CDT	Severe Thunderstorm Warning	FSD	Dakota, Dixon	24 min
May 24, 12:54 PM CDT	Severe Thunderstorm Warning	FSD	Dakota, Dixon	36 min
May 24, 12:58 PM CDT	Severe Thunderstorm Warning	FSD	Dakota, Dixon	32 min
May 24, 1:10 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	35 min
May 24, 1:22 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	23 min
May 24, 1:45 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	30 min
May 24, 1:47 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth, Woodbury	28 min
May 24, 1:53 PM CDT	Severe Thunderstorm Warning	FSD	Ida	52 min
May 24, 2:06 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	39 min
May 24, 2:14 PM CDT	Severe Thunderstorm Warning	FSD	Ida, Woodbury	31 min
May 24, 2:26 PM CDT	Severe Thunderstorm Warning	DMX	Sac	34 min
May 24, 2:46 PM CDT	Severe Thunderstorm Warning	FSD	Ida	29 min
May 24, 2:49 PM CDT	Severe Thunderstorm Warning	DMX	Sac	11 min
May 24, 2:55 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	35 min
May 24, 3:00 PM CDT	Severe Thunderstorm Warning	DMX	Sac	45 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, 3.2 hours before the alert went out and 181 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 484 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 121 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.

Issued	Product	Office	Counties	Lasted
May 24, 9:30 AM CDT	Mesoscale Discussion	SPC	Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more	2 hr
May 24, 11:30 AM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 19 more	11 hr
May 24, 1:24 PM CDT	Mesoscale Discussion	SPC	Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Chickasaw and 17 more	96 min
May 24, 2:08 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more	67 min
May 24, 2:35 PM CDT	Tornado Watch	SPC	Appanoose, Boone, Butler, Cerro Gordo, Clarke, Dallas and 26 more	7 hr
May 24, 2:39 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more	96 min
May 24, 5:26 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 61 more	94 min
May 24, 5:45 PM CDT	Tornado Watch	SPC	Appanoose, Davis, Des Moines, Lee, Van Buren, Wayne	5 hr
May 24, 8:41 AM CDT	Mesoscale Discussion	SPC	Boyd, Knox	2 hr

Nearby

Severe Thunderstorm Watches in South Dakota, 2004 Severe Thunderstorm Watches in Minnesota, 2004 Severe Thunderstorm Watches in Iowa, 2004 Every 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.