Alert archive / South Dakota / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 434
The Storm Prediction Center issued this severe thunderstorm watch at Jun 12, 2000, 5:45 PM MDT for 23 counties in South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2000, 5:45 PM MDT (23:45 UTC)
- Expired
- Jun 13, 2000, 12:00 AM MDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Bennett County, SD, Butte County, SD, Corson County, SD, Dewey County, SD, Gregory County, SD, Haakon County, SD, Harding County, SD, Hughes County, SD, Jackson County, SD, Jones County, SD, Lyman County, SD, Meade County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD, Ziebach County, SD
The radar
The Rapid City radar (KUDX), 99 km from the middle of the area, began a volume at 23:48 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 5:57 PM MDT | Severe Thunderstorm Warning | UNR | Meade | 48 min |
| Jun 12, 6:50 PM MDT | Severe Thunderstorm Warning | UNR | Harding | 45 min |
| Jun 12, 6:52 PM MDT | Severe Thunderstorm Warning | UNR | Pennington | 48 min |
| Jun 12, 7:33 PM MDT | Severe Thunderstorm Warning | UNR | Harding | 47 min |
| Jun 12, 8:09 PM MDT | Severe Thunderstorm Warning | UNR | Haakon | 46 min |
| Jun 12, 8:37 PM MDT | Severe Thunderstorm Warning | ABR | Stanley | 53 min |
| Jun 12, 8:41 PM MDT | Severe Thunderstorm Warning | UNR | Jackson | 44 min |
| Jun 12, 8:51 PM MDT | Severe Thunderstorm Warning | UNR | Haakon | 29 min |
| Jun 12, 9:28 PM MDT | Severe Thunderstorm Warning | UNR | Haakon | 47 min |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.8 hours before the alert went out and 241 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
- 80 J/kg
- Mixed-layer CIN
- -312 J/kg
- Mixed-layer LCL
- 1408 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.