Calamity
mediumSevere weatherCalamity Score: 22

Severe weather near Rapid City

United StatesSPC

Reported by SPC today.

No stronger detection stands among the 41 recorded within 20 km of this point since 17 March 2026 — 13 others scored the same. The last comparable one was on 18 August 2026.

What the source measured

SPC reported: Wind 62 kt near 8 N Redig, Harding, SD. (UNR)

Nearby, since 17 March 2026

How we know

Confirmed by 9 independent sources, including SPC.

Our own score for this event is 22 out of 100, at 66 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)22 / 100
Our confidence66%
Coordinates45.3800, -103.5500
Nearest CityRapid City (147 km)
Impact Tierminor
Timestamp2026-08-30T21:30:00.000Z
Sourcehttps://www.spc.noaa.gov/climo/reports/today.html

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

ReportTypewind
Speed62
Location8 N Redig
CountyHarding
StateSD
Comments(UNR)
Iem TypeSummaryG
Iem Magnitude61
Iem Unitmph
Iem City8 N Redig
Iem CountyHarding
Iem StateSD
Iem WfoUNR
MergedSources[{"id":"iem_G_45.380_-103.550_1788125700000","source":"iem","severity":"low","severityValue":25,"timestamp":1788125700000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788129900000","source":"iem","severity":"low","severityValue":25,"timestamp":1788129900000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788127500000","source":"iem","severity":"low","severityValue":25,"timestamp":1788127500000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788128700000","source":"iem","severity":"low","severityValue":25,"timestamp":1788128700000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788126900000","source":"iem","severity":"low","severityValue":25,"timestamp":1788126900000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788125400000","source":"iem","severity":"low","severityValue":25,"timestamp":1788125400000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788129300000","source":"iem","severity":"low","severityValue":25,"timestamp":1788129300000,"latitude":45.38,"longitude":-103.55},{"id":"iem_G_45.380_-103.550_1788126300000","source":"iem","severity":"low","severityValue":25,"timestamp":1788126300000,"latitude":45.38,"longitude":-103.55}]

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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Calamity.live data shows a weather event with CalamityScore 22/100, near Rapid City (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.