Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 142, NWS Rapid City, SD
NWS Rapid City, SD issued this severe thunderstorm warning at Jul 5, 2000, 3:10 PM MDT for Lawrence County, South Dakota. It was in force for 50 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 5, 2000, 3:10 PM MDT (21:10 UTC)
- Expired
- Jul 5, 2000, 4:00 PM MDT
- In force
- 50 min
- Issued by
- NWS Rapid City, SD
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lawrence County, SD
The radar
The Rapid City radar (KUDX), 81 km from the middle of the area, began a volume at 21:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 5, 3:40 PM MDT | Hail 1 | Spearfish, SD | |
| Jul 5, 3:56 PM MDT | Hail 1 | Spearfish, SD |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 9.2 hours before the alert went out and 79 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
- 420 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Rapid City, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 1:40 PM MDT, 1 hour 30 minutes earlier.
Area forecast discussion, Jul 5, 1:40 PM MDT, 1 hour 30 minutes before
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Local storm report, Jul 5, 9:15 AM MDT, 5 hours 55 minutes before
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Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 7:02 PM MDT | Severe Thunderstorm Warning | UNR | Butte | 58 min |
| Jul 4, 7:57 PM MDT | Severe Thunderstorm Warning | UNR | Butte | 48 min |
| Jul 4, 8:30 PM MDT | Severe Thunderstorm Warning | UNR | Meade | 60 min |
| Jul 4, 8:38 PM MDT | Tornado Warning | UNR | Meade | 22 min |
| Jul 4, 8:58 PM MDT | Tornado Warning | UNR | Meade | 32 min |
| Jul 4, 9:28 PM MDT | Severe Thunderstorm Warning | UNR | Meade | 17 min |
| Jul 4, 9:38 PM MDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 67 min |
| Jul 5, 3:58 PM MDT | Severe Thunderstorm Warning | UNR | Lawrence | 47 min |
| Jul 5, 4:43 PM MDT | Severe Thunderstorm Warning | UNR | Lawrence | 47 min |
| Jul 4, 6:35 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 40 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2000Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.