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Storm Event Report

Vivian, SD Hail and Wind Storm Report (12 S)

Aug 13, 2025 | 12 S Vivian, Lyman County, SD | 2025-08-13 severe weather window

12 S Vivian, SD storm report for 2025-08-13. We found 0 hail reports (max none measured) and 2 wind/tornado reports (peak 73 mph, including 0 tornado reports).

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Impacted Places

12 S Vivian

Hail Stats

Reports
0
Severe Reports
0

Wind Stats

Max Gust
73 mph
Reports
2
Tornado Reports
0

Ring Impact (1mi / 3mi / 10mi)

hail

Events within 1 mile
0
Events within 3 miles
0
Events within 10 miles
0
Severe days within 10 miles
0
Max within 10 miles
-

wind

Events within 1 mile
2
Events within 3 miles
3
Events within 10 miles
4
Severe days within 10 miles
1
Max within 10 miles
73 mph

Verified Event Log (5-Year Window)

DateHazardIntensityDistanceLocationSource
2025-08-13wind73 mph-12 S Vivian, SDNOAA SPC
2025-08-13wind64 mph-12 S Vivian, SDNOAA SPC

Mesonet station VVMS2 Vivian 12S (SD Mesonet). (ABR)

(ABR)

Report Highlights

  • 12 S Vivian recorded 0 hail reports on 2025-08-13.
  • 2 wind/tornado reports were also observed in the same convective window.
  • 12 S Vivian recorded 2 wind/tornado reports on 2025-08-13.
  • 0 hail reports provide companion context for mixed-hazard risk.

Data & Methodology

Noaa Spc
2
  • Derived from NOAA SPC daily severe weather reports.

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Timeline

  1. 2025-08-13T01:55:00Z

    Wind 73 mph

    Mesonet station VVMS2 Vivian 12S (SD Mesonet). (ABR)

  2. 2025-08-13T01:30:00Z

    Wind 64 mph

    (ABR)