This alert expired on 18 May 2026 at 01:00 UTC. It is kept here as a record.
It is the 4th strongest of the 60 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 17 May 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 17 at 7:15PM CDT until May 17 at 8:00PM CDT by NWS Jackson MS
An estimated 279,096 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 13, 2026 · score 43 · 4.8 km
- May 18, 2026 · score 43 · 5.7 km
- June 2, 2026 · score 43 · 7.9 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 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 | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 32.4067, -90.1167 |
| Nearest City | Ridgeland (3 km) |
| Population Exposed | 279.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T00:15:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6254c5aab0ce2687ab60817f2f92dfd2942bf378.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hinds, MS; Madison, MS; Rankin, MS |
| Headline | Severe Thunderstorm Warning issued May 17 at 7:15PM CDT until May 17 at 8:00PM CDT by NWS Jackson MS |
| Expires | 2026-05-17T20:00:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 64 |
| Iem Unit | MPH |
| Iem City | 5 NNW Terry |
| Iem County | Hinds |
| Iem State | MS |
| Iem Wfo | JAN |
| Iem Remark | A 64 mph wind gust was measured with a handheld anemometer along W Flowers Rd. |
| MergedSources | [{"id":"iem_H_32.160_-90.340_1779059700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059700000,"latitude":32.16,"longitude":-90.34},{"id":"iem_G_32.340_-90.220_1779061980000","source":"iem","severity":"low","severityValue":25,"timestamp":1779061980000,"latitude":32.34,"longitude":-90.22},{"id":"iem_G_32.160_-90.340_1779059280000","source":"iem","severity":"low","severityValue":25,"timestamp":1779059280000,"latitude":32.16,"longitude":-90.34}] |
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 43/100, near Ridgeland (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.