Alert archive / South Dakota / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 576
The Storm Prediction Center issued this severe thunderstorm watch at Jun 23, 2003, 11:45 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 23, 2003, 11:45 PM CDT (04:45 UTC)
- Expired
- Jun 24, 2003, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Boyd County, NE, Brown County, NE, Cherry County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keya Paha County, NE, Knox County, NE, Rock County, NE, Aurora County, SD, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Todd County, SD, Tripp County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The North Platte radar (KLNX), 162 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.
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 11:46 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 44 min |
| Jun 24, 12:00 AM CDT | Severe Thunderstorm Warning | OAX | Knox | 60 min |
| Jun 24, 12:06 AM CDT | Severe Thunderstorm Warning | FSD | Lake | 39 min |
| Jun 24, 12:13 AM CDT | Severe Thunderstorm Warning | LBF | Holt | 47 min |
| Jun 24, 12:25 AM CDT | Severe Thunderstorm Warning | FSD | Pipestone | 50 min |
| Jun 24, 12:35 AM CDT | Severe Thunderstorm Warning | LBF | Cherry | 55 min |
| Jun 24, 12:42 AM CDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Keya Paha | 63 min |
| Jun 24, 12:45 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 30 min |
| Jun 24, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Lake | 29 min |
| Jun 24, 1:15 AM CDT | Severe Thunderstorm Warning | FSD | Lake | 45 min |
| Jun 24, 1:19 AM CDT | Severe Thunderstorm Warning | LBF | Grant | 56 min |
| Jun 24, 1:21 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 39 min |
| Jun 24, 1:33 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 42 min |
| Jun 24, 1:38 AM CDT | Severe Thunderstorm Warning | FSD | Douglas | 37 min |
| Jun 24, 1:48 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 42 min |
| Jun 24, 1:58 AM CDT | Severe Thunderstorm Warning | FSD | Davison | 32 min |
| Jun 24, 2:16 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 29 min |
| Jun 24, 2:30 AM CDT | Severe Thunderstorm Warning | FSD | Davison | 30 min |
| Jun 24, 2:34 AM CDT | Severe Thunderstorm Warning | FSD | Hanson | 26 min |
| Jun 24, 2:49 AM CDT | Severe Thunderstorm Warning | FSD | Miner | 41 min |
| Jun 24, 2:51 AM CDT | Flash Flood Warning | LBF | Cherry, Keya Paha | 114 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 00:00Z, 4.8 hours before the alert went out and 214 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
- 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
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:08 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 28 more | 67 min |
| Jun 23, 8:55 PM CDT | Tornado Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 24 more | 4 hr |
| Jun 23, 9:10 PM CDT | Mesoscale Discussion | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Sioux | 65 min |
| Jun 23, 10:38 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Humboldt, Ida and 9 more | 67 min |
| Jun 23, 10:50 PM CDT | Tornado Watch | SPC | Plymouth | 5 hr |
| Jun 24, 12:35 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 24 more | 5 hr |
| Jun 24, 1:52 AM CDT | Mesoscale Discussion | SPC | Plymouth | 53 min |
| Jun 24, 2:05 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Allamakee, Benton, Black Hawk, Boone and 39 more | 5 hr |
| Jun 24, 2:44 AM CDT | Mesoscale Discussion | SPC | Lyon, Osceola, Sioux | 2 hr |
| Jun 24, 3:09 AM CDT | Mesoscale Discussion | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 12 more | 96 min |
| Jun 24, 11:43 AM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Harrison, Mills, Montgomery and 3 more | 2 hr |
| Jun 24, 2:15 PM CDT | Tornado Watch | SPC | Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux | 8 hr |
| Jun 24, 3:56 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Fremont, Guthrie and 6 more | 64 min |
| Jun 24, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 30 more | 5 hr |
| Jun 24, 5:59 PM CDT | Mesoscale Discussion | SPC | Lyon, O'Brien, Osceola, Plymouth, Sioux | 61 min |
| Jun 24, 1:21 AM CDT | Mesoscale Discussion | SPC | Big Stone, Lac qui Parle, Stevens, Yellow Medicine | 114 min |
| Jun 24, 4:20 PM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Anoka, Benton, Big Stone, Carlton, Chippewa and 21 more | 6 hr |
| Jun 24, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Blue Earth, Brown, Carver, Dakota, Dodge, Faribault and 18 more | 5 hr |
| Jun 23, 8:17 PM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Buffalo, Butler, Clay and 37 more | 58 min |
| Jun 23, 8:20 PM CDT | Tornado Watch | SPC | Adams, Buffalo, Clay, Fillmore, Franklin, Furnas and 11 more | 3 hr |
| Jun 23, 8:34 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Deuel, Kimball | 86 min |
| Jun 23, 9:10 PM CDT | Tornado Watch | SPC | Banner, Box Butte, Cheyenne, Deuel, Garden, Kimball and 3 more | 4 hr |
| Jun 23, 10:50 PM CDT | Tornado Watch | SPC | Arthur, Blaine, Chase, Custer, Dawson, Frontier and 10 more | 5 hr |
| Jun 23, 11:08 PM CDT | Mesoscale Discussion | SPC | Banner, Box Butte, Cheyenne, Garden, Grant, Kimball and 3 more | 67 min |
| Jun 24, 12:50 AM CDT | Severe Thunderstorm Watch | SPC | Banner, Cheyenne, Deuel, Garden, Kimball, Morrill and 1 more | 3 hr |
| Jun 24, 1:29 PM CDT | Mesoscale Discussion | SPC | Antelope, Blaine, Boone, Boyd, Brown, Buffalo and 22 more | 3 hr |
| Jun 24, 3:47 PM CDT | Mesoscale Discussion | SPC | Chase, Dundy, Hayes, Hitchcock | 88 min |
| Jun 24, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Chase, Dawson, Dundy, Frontier, Furnas, Gosper and 3 more | 6 hr |
| Jun 24, 6:30 PM CDT | Mesoscale Discussion | SPC | Buffalo, Dawson, Dundy, Frontier, Furnas, Gosper and 7 more | 2 hr |
| Jun 24, 6:28 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Buffalo, Campbell, Clark, Day and 18 more | 92 min |
Nearby
Severe Thunderstorm Watches in South Dakota, 2003Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Minnesota, 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.