This alert expired on 18 June 2026 at 19:45 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 16 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 18 at 1:39PM CDT until June 18 at 2:45PM CDT by NWS New Orleans LA
An estimated 262,709 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 15, 2026 · score 43 · 4.2 km
- May 22, 2026 · score 43 · 12.6 km
- July 20, 2026 · score 43 · 14.7 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 49 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 49 / 100 |
| Our confidence | 88% |
| Coordinates | 30.3984, -88.8159 |
| Nearest City | Ocean Springs (2 km) |
| Population Exposed | 262.7K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-18T18:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.593a4db37fa2ce3c94de7739dfc9df88 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Harrison, MS; Jackson, MS; Harrison, MS |
| Headline | Severe Thunderstorm Warning issued June 18 at 1:39PM CDT until June 18 at 2:45PM CDT by NWS New Orleans LA |
| Expires | 2026-06-18T14:45:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.593a4db37fa2ce3c94de7739dfc9df88d29ba9eb.001.1","noaa_urn:oid:2.49.0.1.840.0.9346377bd2ba21b26ca53ed201e715418fa5aad1.001.1"] |
| Spc ReportType | tornado |
| Spc Speed | UNK |
| Spc Location | 1 SW Whites Crossing |
| Spc County | Stone |
| Spc State | MS |
| Spc Comments | Stone County EM reports trees down at Hwy. 25 east of Wiggins. Collocated with TDS on radar. (MOB) |
| Iem TypeSummary | F |
| Iem City | Wiggins |
| Iem County | Stone |
| Iem State | MS |
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 49/100, near Ocean Springs (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.