Alert archive / South Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 37, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 17, 1998, 9:50 PM CDT for Hand County, Hyde County, South Dakota. It was in force for 60 min. 3 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
- Jun 17, 1998, 9:50 PM CDT (02:50 UTC)
- Expired
- Jun 17, 1998, 10:50 PM CDT
- In force
- 60 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Hand County, SD, Hyde County, SD
The radar
The Aberdeen radar (KABR), 120 km from the middle of the area, began a volume at 02:51 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 |
|---|---|---|---|
| Jun 17, 10:15 PM CDT | Thunderstorm Wind 70 | Miller, SD | Winds gusting to 80 mph at a farm north of Miller caused a barn to collapse, blew apart a granary, tore the shingles off one side of chicken coop, moved it off of its foundation, and blew the windows out of the top. The high winds also downed a dozen or s |
| Jun 17, 10:30 PM CDT | Tornado F0 | Polo, SD | A small tornado touched down briefly northeast of Polo damaging a tree. Path length and width were estimated. |
| Jun 17, 10:31 PM CDT | Thunderstorm Wind 61 | Polo, SD | Winds gusting to around 70 mph brought many large tree branches down. |
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
Aberdeen, SD (KABR), launched 00:00Z, 2.8 hours before the alert went out and 77 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
- 339 J/kg
- Mixed-layer CIN
- -186 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 372 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:39 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 51 min |
| Jun 17, 8:55 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 50 min |
| Jun 17, 9:31 PM CDT | Tornado Warning | ABR | Lyman | 34 min |
| Jun 17, 10:57 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 58 min |
| Jun 17, 11:31 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 49 min |
| Jun 17, 11:42 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 63 min |
| Jun 17, 11:47 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 63 min |
| Jun 18, 1:23 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 62 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1998Every severe thunderstorm warning in 1998
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.