Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 140, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 3, 1996, 10:34 PM CDT for Edmunds County, McPherson County, South Dakota. It was in force for 61 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
- Aug 3, 1996, 10:34 PM CDT (03:34 UTC)
- Expired
- Aug 3, 1996, 11:35 PM CDT
- In force
- 61 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Edmunds County, SD, McPherson County, SD
The radar
The Aberdeen radar (KABR), 65 km from the middle of the area, began a volume at 03:34 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 |
|---|---|---|---|
| Aug 3, 10:45 PM CDT | Thunderstorm Wind 61 | Bowdle, SD | |
| Aug 3, 10:55 PM CDT | Tornado F0 | Eureka, 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
Aberdeen, SD (KABR), launched 00:00Z, 3.6 hours before the alert went out and 100 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
- 2991 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1170 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 9.1
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.
In the hours before
Special weather statement, Aug 3, 7:41 PM CDT, 2 hours 53 minutes before
SDZ003-004-009-015-016-033>037-045-048-051-040800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 740 PM CDT SAT AUG 3 1996 THE STORM PREDICTION CENTER IN KANSAS CITY MISSOURI HAS ISSUED A TORNADO WATCH IN EFFECT FOR MOST OF CENTRAL SOUTH DAKOTA UNTIL 2 AM CDT (1AM CDT). THIS WATCH GENERALLY COVERS AN AREA EAST AND WEST OF A LINE FROM MOBRIDGE SOUTH TO CHAMBERLAIN. STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE IN AND CLOSE TOv THE WATCH AREA. EVEN ISOLATED TORNADOES WILL BE POSSIBLE. IF YOUR IN THE WATCH AREA PLEASE STAY CLOSE TO A TV OR RADIO IN CASE WARNINGS ARE ISSUED. TDK
Local storm report, Aug 3, 10:24 PM CDT, 10 minutes before
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</html>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 8:56 PM CDT | Tornado Warning | ABR | Hughes | 34 min |
| Aug 3, 10:18 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Walworth | 62 min |
| Aug 3, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand | 61 min |
| Aug 4, 10:24 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 61 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1996Every severe thunderstorm warning in 1996
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.