Calamity
mediumSevere weatherCalamity Score: 34

Severe weather near Sumter

United StatesNOAA

This alert expired on 13 July 2026 at 00:00 UTC. It is kept here as a record.

It is the 3rd strongest of the 14 detections recorded within 20 km of this point since 5 July 2026. The last comparable one was on 5 July 2026. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued July 12 at 7:05PM EDT until July 12 at 8:00PM EDT by NWS Wilmington NC

An estimated 40,816 people live within 50 km of this point.

Nearby, since 5 July 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 34 out of 100, at 80 % 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)34 / 100
Our confidence80%
Coordinates33.7461, -80.0676
Nearest CitySumter (32 km)
Population Exposed40.8K within 50 km
Impact Tiersignificant
Timestamp2026-07-12T23:05:00.000Z

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBrunswick, NC; Columbus, NC; Robeson, NC; Calhoun, SC; Orangeburg, SC and 2 more areas
HeadlineSevere Thunderstorm Warning issued July 12 at 7:05PM EDT until July 12 at 8:00PM EDT by NWS Wilmington NC
Expires2026-07-12T20:00:00-04:00
SenderNameNWS Wilmington NC
HasExactCoordstrue
MergedCount5
MergedIds["noaa_urn:oid:2.49.0.1.840.0.a21799af44feec36fb7d7283e42ee7eaacde4ac2.001.1","noaa_urn:oid:2.49.0.1.840.0.b8ad6d33499103cf163cbf7c7f0e3097e51ba324.002.1","noaa_urn:oid:2.49.0.1.840.0.ebfd9d8c74a2d6ad27a2c394809f5de856c5af6e.001.1","noaa_urn:oid:2.49.0.1.840.0.fe19dbabe0fce076d64625805777a119a7896e0e.002.1","noaa_urn:oid:2.49.0.1.840.0.1d790d075b8c61f7775377c87100d48c79d113a2.001.1"]

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 34/100, near Sumter (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.