Alert archive / South Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 51, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 24, 1998, 10:25 PM CDT for Deuel 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
- Jun 24, 1998, 10:25 PM CDT (03:25 UTC)
- Expired
- Jun 24, 1998, 11:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Deuel County, SD
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 10:30 PM CDT | Hail 0.75 | Clear Lake, SD | |
| Jun 24, 10:40 PM CDT | Thunderstorm Wind 52 | Toronto, SD | Winds gusting to 60 mph brought many tree branches down in Toronto. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 24, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.4 hours before the alert went out and 137 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
- 6538 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.5
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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 10:30 AM CDT, 11 hours 55 minutes earlier.
Area forecast discussion, Jun 24, 10:30 AM CDT, 11 hours 55 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD AND FOR TRAVERSE/BIG STONE COUNTIES OF MN NATIONAL WEATHER SERVICE ABERDEEN SD 1030 AM CDT WED JUN 24 1998 HAVE UPDATED MAINLY TO CLEAN UP THE MORNING WORDING. WILL LET SLIGHT TSRA CHC CONTINUE THROUGH THE AFTERNOON GIVEN GOOD INSTABILITY AND RELATIVELY WEAK CAP PER MORNING SOUNDING. MORNING SOUNDINGS ALSO SUPPORTED HIGH TEMPS SO DIDNT FIDDLE WITH THESE MUCH. .ABR...NONE. TDK
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 8:54 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 26 min |
| Jun 24, 9:20 PM CDT | Tornado Warning | ABR | McPherson | 50 min |
| Jun 24, 9:53 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 32 min |
| Jun 24, 10:10 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 45 min |
| Jun 24, 10:19 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 46 min |
| Jun 24, 10:30 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 65 min |
| Jun 24, 10:55 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 50 min |
| Jun 24, 11:03 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 32 min |
| Jun 24, 11:23 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 27 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.