Calamity
mediumSevere weatherCalamity Score: 34

Severe weather in United States

FlorenceUnited StatesNOAA

This alert expired on 6 July 2026 at 19:30 UTC. It is kept here as a record.

It is the 2nd strongest of the 5 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued July 6 at 2:46PM EDT until July 6 at 3:30PM EDT by NWS Wilmington NC

An estimated 38,228 people live within 50 km of this point.

Nearby, since 12 March 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 79 % 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 confidence79%
Coordinates33.8952, -79.6251
Nearest CityFlorence (36 km)
Population Exposed38.2K within 50 km
Impact Tiersignificant
Timestamp2026-07-06T18:46:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.793d87c40ebfa94f68e40495ddb17dd1

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBrunswick, NC; Horry, SC; Richland, SC; Sumter, SC
HeadlineSevere Thunderstorm Warning issued July 6 at 2:46PM EDT until July 6 at 3:30PM EDT by NWS Wilmington NC
Expires2026-07-06T15:30:00-04:00
SenderNameNWS Wilmington NC
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.793d87c40ebfa94f68e40495ddb17dd11ad81c7c.001.1","noaa_urn:oid:2.49.0.1.840.0.8a609e0bd4788ed6be8a352897ce61f8ab54cc68.001.1"]

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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.