Alert archive / South Dakota / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 495
The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2003, 6:15 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2003, 6:15 PM CDT (23:15 UTC)
- Expired
- Jun 10, 2003, 1:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 54 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, Antelope County, NE, Boone County, NE, Burt County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Davison County, SD, Douglas 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, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 41 km from the middle of the area, began a volume at 23:14 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
48 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:15 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 45 min |
| Jun 9, 6:25 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 50 min |
| Jun 9, 6:36 PM CDT | Tornado Warning | OAX | Cedar, Knox | 39 min |
| Jun 9, 6:47 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 43 min |
| Jun 9, 7:03 PM CDT | Severe Thunderstorm Warning | FSD | Dakota | 42 min |
| Jun 9, 7:07 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 38 min |
| Jun 9, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 31 min |
| Jun 9, 7:16 PM CDT | Tornado Warning | OAX | Cedar | 44 min |
| Jun 9, 7:21 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 24 min |
| Jun 9, 7:32 PM CDT | Flash Flood Warning | OAX | Cedar, Knox | 6 hr |
| Jun 9, 7:35 PM CDT | Flash Flood Warning | FSD | Dixon | 3 hr |
| Jun 9, 7:43 PM CDT | Tornado Warning | OAX | Knox | 32 min |
| Jun 9, 7:47 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 58 min |
| Jun 9, 7:47 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 43 min |
| Jun 9, 7:58 PM CDT | Tornado Warning | OAX | Cedar, Knox | 17 min |
| Jun 9, 8:10 PM CDT | Tornado Warning | FSD | Dakota | 35 min |
| Jun 9, 8:11 PM CDT | Tornado Warning | OAX | Antelope, Knox | 49 min |
| Jun 9, 8:15 PM CDT | Tornado Warning | FSD | Woodbury | 30 min |
| Jun 9, 8:15 PM CDT | Severe Thunderstorm Warning | OAX | Cedar, Wayne | 45 min |
| Jun 9, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 42 min |
| Jun 9, 8:20 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 25 min |
| Jun 9, 8:31 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 29 min |
| Jun 9, 8:38 PM CDT | Flash Flood Warning | FSD | Woodbury | 3 hr |
| Jun 9, 8:39 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 36 min |
| Jun 9, 8:42 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 63 min |
| Jun 9, 8:46 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 59 min |
| Jun 9, 8:59 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 46 min |
| Jun 9, 9:03 PM CDT | Tornado Warning | OAX | Antelope | 42 min |
| Jun 9, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 52 min |
| Jun 9, 9:14 PM CDT | Severe Thunderstorm Warning | OAX | Wayne | 46 min |
| Jun 9, 9:19 PM CDT | Flash Flood Warning | OAX | Wayne | 4 hr |
| Jun 9, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 35 min |
| Jun 9, 9:26 PM CDT | Severe Thunderstorm Warning | OAX | Boone, Platte | 49 min |
| Jun 9, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 59 min |
| Jun 9, 9:31 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Pierce | 44 min |
| Jun 9, 9:37 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 8 min |
| Jun 9, 9:43 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 32 min |
| Jun 9, 9:48 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 42 min |
| Jun 9, 9:55 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 50 min |
| Jun 9, 9:58 PM CDT | Severe Thunderstorm Warning | OAX | Wayne | 42 min |
| Jun 9, 10:00 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 45 min |
| Jun 9, 10:05 PM CDT | Flash Flood Warning | OAX | Thurston | 4 hr |
| Jun 9, 10:32 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 28 min |
| Jun 9, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Cuming | 34 min |
| Jun 9, 11:06 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 39 min |
| Jun 9, 11:20 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 25 min |
| Jun 9, 11:43 PM CDT | Flash Flood Warning | OAX | Harrison, Monona | 3 hr |
| Jun 10, 12:00 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 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
Omaha, NE (KOAX), launched 12:00Z, 11.3 hours before the alert went out and 215 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1403 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:50 PM CDT | Tornado Watch | SPC | Cherokee, Crawford, Harrison, Ida, Monona, Plymouth and 2 more | 6 hr |
| Jun 9, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jun 9, 2:05 PM CDT | Mesoscale Discussion | SPC | Blaine, Brown, Clay, Fillmore, Hall, Hamilton and 6 more | 115 min |
| Jun 9, 2:55 PM CDT | Tornado Watch | SPC | Boyd, Brown, Cherry, Holt, Keya Paha, Rock | 6 hr |
| Jun 9, 3:42 PM CDT | Mesoscale Discussion | SPC | Blaine, Buffalo, Custer, Dawson, Lincoln, Logan and 4 more | 2 hr |
| Jun 9, 4:30 PM CDT | Mesoscale Discussion | SPC | Franklin, Furnas, Harlan, Hayes, Hitchcock, Red Willow and 1 more | 60 min |
| Jun 9, 4:50 PM CDT | Tornado Watch | SPC | Adams, Blaine, Boone, Buffalo, Clay, Custer and 25 more | 5 hr |
| Jun 9, 5:00 PM CDT | Mesoscale Discussion | SPC | Boyd, Brown, Cherry, Holt, Keya Paha, Rock | 90 min |
| Jun 9, 6:30 PM CDT | Mesoscale Discussion | SPC | Blaine, Boyd, Brown, Buffalo, Custer, Dawson and 15 more | 90 min |
| Jun 9, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Clark, Corson, Day, Dewey and 8 more | 5 hr |
| Jun 9, 5:50 PM CDT | Mesoscale Discussion | SPC | Brown, Dewey, Edmunds, Faulk, Potter, Spink and 1 more | 85 min |
Nearby
Severe Thunderstorm Watches in South Dakota, 2003Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Iowa, 2003Every severe thunderstorm watch 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.