Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 11 May 2026 at 19:30 UTC. It is kept here as a record.
No stronger detection stands among the 17 recorded within 20 km of this point since 9 March 2026 — 12 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 May 11 at 2:56PM EDT until May 11 at 3:30PM EDT by NWS Wilmington NC
An estimated 87,619 people live within 50 km of this point.
Nearby, since 9 March 2026
- May 11, 2026 · score 39 · 0.0 km
- March 9, 2026 · score 22 · 4.3 km
- March 13, 2026 · score 39 · 8.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 33.9186, -79.0530 |
| Nearest City | Conway (9 km) |
| Population Exposed | 87.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T18:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.830ad3b50c45a49090341a4c37d82c5a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Georgetown, SC; Williamsburg, SC; Columbus, NC; Horry, SC |
| Headline | Severe Thunderstorm Warning issued May 11 at 2:56PM EDT until May 11 at 3:30PM EDT by NWS Wilmington NC |
| Expires | 2026-05-11T15:30:00-04:00 |
| SenderName | NWS Wilmington NC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.830ad3b50c45a49090341a4c37d82c5a33df80da.001.1","noaa_urn:oid:2.49.0.1.840.0.f96cc683789fc76b95f4dcd4b7b05e70e13fecc1.001.1","noaa_urn:oid:2.49.0.1.840.0.a7e029bb7eb738c9aa19281eeae0f02380ac3330.001.1"] |
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 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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