Calamity
HighSevere WeatherCalamity Score: 49

Severe Weather near Summerville

BerkeleyUnited StatesSPC

Right now

The most recent data we hold from SPC arrived 65 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

267 other detections within 20 km in the last 24 hours, the nearest <1 km from here.

Reported by SPC today.

No stronger detection stands among the 394 recorded within 20 km of this point since 16 March 2026 — 147 others scored the same. Another comparable one was recorded here earlier the same day.

What the source measured

SPC reported: Hail 100 in near 3 NNE Sangaree, Berkeley, SC. NWS Employee reported quarter sized hail along Smooth Stone Aly. (CHS)

An estimated 429,708 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 2 independent sources, including SPC.

Our own score for this event is 49 out of 100, at 76 % confidence.

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

Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityHigh
Calamity Score (ours)49 / 100
Our confidence76%
Coordinates33.0700, -80.1200
Nearest CitySummerville (8 km)
Population Exposed429.7K within 50 km
Impact Tiersevere
Timestamp2026-09-07T02:23:09.375Z
Sourcehttps://www.spc.noaa.gov/climo/reports/today.html

Score Breakdown

50
intensity
70
population
0
cascading
80
historical

Technical Details

ReportTypehail
Speed100
Location3 NNE Sangaree
CountyBerkeley
StateSC
CommentsNWS Employee reported quarter sized hail along Smooth Stone Aly. (CHS)
Iem TypeSummaryH
Iem Magnitude1
Iem Unitinch
Iem City3 NNE Sangaree
Iem CountyBerkeley
Iem StateSC
Iem WfoCHS
Iem RemarkNWS Employee reported quarter sized hail along Smooth Stone Aly.
MergedSources[{"id":"iem_H_33.070_-80.120_1788732240000","source":"iem","severity":"low","severityValue":25,"timestamp":1788732240000,"latitude":33.07,"longitude":-80.12}]

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 8 March 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 49/100, near Summerville (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.