This alert expired on 4 July 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 31 recorded within 20 km of this point since 24 April 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 4 at 5:24PM CDT until July 4 at 6:00PM CDT by NWS Jackson MS
An estimated 279,096 people live within 50 km of this point.
Nearby, since 24 April 2026
- June 2, 2026 · score 43 · 14.5 km
- August 6, 2026 · score 43 · 15.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 32.0880, -89.9240 |
| Nearest City | Brandon (21 km) |
| Population Exposed | 279.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T22:24:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b773e8613b92ddb0c0f02da30769be7f50aa45b7.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Rankin, MS; Simpson, MS |
| Headline | Severe Thunderstorm Warning issued July 4 at 5:24PM CDT until July 4 at 6:00PM CDT by NWS Jackson MS |
| Expires | 2026-07-04T18:00:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 2 N Tougaloo |
| Iem County | Madison |
| Iem State | MS |
| Iem Wfo | JAN |
| Iem Remark | Report of downed/ lightning destroyed tree. |
| MergedSources | [{"id":"iem_L_32.420_-90.160_1783197900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783197900000,"latitude":32.42,"longitude":-90.16},{"id":"iem_D_32.420_-90.160_1783197900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783197900000,"latitude":32.42,"longitude":-90.16}] |
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 Brandon (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.