Alert archive / South Dakota / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 524
The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2000, 9:15 PM CDT for 41 counties in South Dakota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2000, 9:15 PM CDT (02:15 UTC)
- Expired
- Jul 2, 2000, 2:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Aurora County, SD, Beadle County, SD, Bennett County, SD, Bon Homme County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Campbell County, SD, Charles Mix County, SD, Clark County, SD, Corson County, SD, Davison County, SD, Day County, SD, Dewey County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Gregory County, SD, Haakon County, SD, Hand County, SD, Hanson County, SD, Hughes County, SD, Hutchinson County, SD, Hyde County, SD, Jackson County, SD, Jerauld County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Mellette County, SD, Miner County, SD, Potter County, SD, Sanborn County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD, Ziebach County, SD
The radar
The Aberdeen radar (KABR), 200 km from the middle of the area, began a volume at 02:18 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:38 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 52 min |
| Jul 1, 11:34 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 26 min |
| Jul 2, 12:18 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 27 min |
| Jul 2, 12:52 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 38 min |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 2.3 hours before the alert went out and 164 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
- 3394 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 2103 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Day, Edmunds, Faulk, Grant, McPherson and 2 more | 6 hr |
Nearby
Severe Thunderstorm Watches in South Dakota, 2000Every severe thunderstorm watch in 2000
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.