This alert expired on 7 May 2026 at 06:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 54 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 7 at 12:43AM CDT until May 7 at 1:15AM CDT by NWS Mobile AL
An estimated 46,805 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 12, 2026 · score 58 · 10.7 km
- May 31, 2026 · score 34 · 12.3 km
- June 18, 2026 · score 58 · 17.8 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 90% |
| Coordinates | 31.1280, -88.8970 |
| Nearest City | Hattiesburg (44 km) |
| Population Exposed | 46.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-07T05:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1430345f371f482e0e0ebc252bb56e96da792ef0.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Greene, MS; Perry, MS |
| Headline | Severe Thunderstorm Warning issued May 7 at 12:43AM CDT until May 7 at 1:15AM CDT by NWS Mobile AL |
| Expires | 2026-05-07T01:15:00-05:00 |
| SenderName | NWS Mobile AL |
| HasExactCoords | true |
| Spc ReportType | tornado |
| Spc Speed | UNK |
| Spc Location | 2 N Purvis |
| Spc County | Lamar |
| Spc State | MS |
| Spc Comments | Emergency manager reported damage to office building. (JAN) |
| Iem TypeSummary | T |
| Iem City | 2 N Purvis |
| Iem County | Lamar |
| Iem State | MS |
| Iem Wfo | JAN |
| Iem Remark | Emergency manager reported damage to office building. |
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 48/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.