This alert expired on 13 August 2026 at 22:50 UTC. It is kept here as a record.
No stronger detection stands among the 11 recorded within 20 km of this point since 12 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 13 at 6:40PM EDT until August 13 at 6:45PM EDT by NWS Columbia SC
An estimated 30,721 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 12, 2026 · score 34 · 12.6 km
- June 12, 2026 · score 34 · 22.3 km
How we know
Confirmed by 25 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 89 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 89% |
| Coordinates | 32.6965, -81.4546 |
| Nearest City | Statesboro (41 km) |
| Population Exposed | 30.7K within 50 km |
| Impact Tier | significant |
| Date | 2026-08-13 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.289500aa1a866db24d3ebaeff0ca8713 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bamberg, SC; Orangeburg, SC; Greenwood, SC; Beaufort, SC; Charleston, SC; Colleton, SC and 3 more areas |
| Headline | Severe Thunderstorm Warning issued August 13 at 6:40PM EDT until August 13 at 6:45PM EDT by NWS Columbia SC |
| Expires | 2026-08-13T18:50:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.289500aa1a866db24d3ebaeff0ca8713c662bfb4.001.1","noaa_urn:oid:2.49.0.1.840.0.9e1c788fd11fe7a4ea85dec8a61b2b44531e43eb.002.1","noaa_urn:oid:2.49.0.1.840.0.96bd7ff3d7e99bb9d0df0c676a4fcc32526636b2.001.1","noaa_urn:oid:2.49.0.1.840.0.0a5e0fe333352d64fdc1c61189c14a05811e74de.001.1","noaa_urn:oid:2.49.0.1.840.0.35711285b3a29204ed0610af0afa54801a1a3f1e.001.1","noaa_urn:oid:2.49.0.1.840.0.e1482b6e24c8c2cd10ccac9a78492b369b16e223.001.1"] |
| Iem TypeSummary | D |
| Iem City | Egypt |
| Iem County | Effingham |
| Iem State | GA |
| Iem Wfo | CHS |
| Iem Remark | 911 call center reported a tree down along Hwy 17 near Shearwood Rd. |
| MergedSources | [{"id":"iem_D_32.500_-81.640_1786653300000","source":"iem","severity":"low","severityValue":25,"timestamp":1786653300000,"latitude":32.5,"longitude":-81.64},{"id":"iem_D_32.400_-82.060_1786651680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651680000,"latitude":32.4,"longitude":-82.06},{"id":"iem_D_32.580_-81.780_1786650360000","source":"iem","severity":"low","severityValue":25,"timestamp":1786650360000,"latitude":32.58,"longitude":-81.78},{"id":"iem_D_32.510_-81.780_1786651680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651680000,"latitude":32.51,"longitude":-81.78},{"id":"iem_D_32.420_-81.810_1786651980000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651980000,"latitude":32.42,"longitude":-81.81},{"id":"iem_I_32.500_-80.990_1786639500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786639500000,"latitude":32.5,"longitude":-80.99},{"id":"iem_D_32.180_-81.380_1786654980000","source":"iem","severity":"low","severityValue":25,"timestamp":1786654980000,"latitude":32.18,"longitude":-81.38},{"id":"iem_D_32.380_-82.100_1786651020000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651020000,"latitude":32.38,"longitude":-82.1},{"id":"iem_D_32.490_-81.680_1786652340000","source":"iem","severity":"low","severityValue":25,"timestamp":1786652340000,"latitude":32.49,"longitude":-81.68},{"id":"iem_G_32.480_-81.740_1786652040000","source":"iem","severity":"low","severityValue":25,"timestamp":1786652040000,"latitude":32.48,"longitude":-81.74},{"id":"iem_D_32.450_-82.070_1786650720000","source":"iem","severity":"low","severityValue":25,"timestamp":1786650720000,"latitude":32.45,"longitude":-82.07},{"id":"iem_D_32.460_-81.470_1786653720000","source":"iem","severity":"low","severityValue":25,"timestamp":1786653720000,"latitude":32.46,"longitude":-81.47},{"id":"iem_D_32.440_-81.970_1786652340000","source":"iem","severity":"low","severityValue":25,"timestamp":1786652340000,"latitude":32.44,"longitude":-81.97},{"id":"iem_D_32.470_-82.090_1786650840000","source":"iem","severity":"low","severityValue":25,"timestamp":1786650840000,"latitude":32.47,"longitude":-82.09},{"id":"iem_D_32.540_-81.940_1786651680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651680000,"latitude":32.54,"longitude":-81.94},{"id":"iem_D_32.550_-81.880_1786651860000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651860000,"latitude":32.55,"longitude":-81.88},{"id":"iem_G_32.370_-82.080_1786651080000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651080000,"latitude":32.37,"longitude":-82.08},{"id":"iem_D_32.430_-81.740_1786652160000","source":"iem","severity":"low","severityValue":25,"timestamp":1786652160000,"latitude":32.43,"longitude":-81.74},{"id":"iem_D_32.380_-82.090_1786651320000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651320000,"latitude":32.38,"longitude":-82.09},{"id":"iem_D_32.440_-81.970_1786651680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651680000,"latitude":32.44,"longitude":-81.97},{"id":"iem_G_32.390_-82.040_1786651380000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651380000,"latitude":32.39,"longitude":-82.04},{"id":"iem_D_32.450_-82.020_1786651320000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651320000,"latitude":32.45,"longitude":-82.02},{"id":"iem_D_32.400_-82.070_1786651320000","source":"iem","severity":"low","severityValue":25,"timestamp":1786651320000,"latitude":32.4,"longitude":-82.07},{"id":"iem_D_32.460_-81.470_1786654800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786654800000,"latitude":32.46,"longitude":-81.47}] |
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.
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.