This alert expired on 5 September 2026 at 03:00 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 1 July 2026. The last comparable one was on 13 July 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northeast, northwest, south central, southwest, and west central Mississippi. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening...
An estimated 75,404 people live within 50 km of this point.
Nearby, since 1 July 2026
- July 13, 2026 · score 34 · 19.1 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 70% |
| Coordinates | 32.7655, -90.4695 |
| Nearest City | Madison (47 km) |
| Population Exposed | 75.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-05T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-05T11:00:00-05:00 |
| Expires | 2026-09-04T22:00:00-05:00 |
| AreaDesc | Ashley; Chicot; Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Bolivar; Sunflower; Leflore; Grenada; Carroll; Montgomery; Webster; Clay; Lowndes; Choctaw; Oktibbeha; Washington; Humphreys; Holmes; Attala; Winston; Noxubee; Issaquena; Sharkey; Yazoo; Madison; Leake; Neshoba; Kemper; Warren; Hinds; Rankin; Scott; Newton; Lauderdale; Claiborne; Copiah; Jefferson; Adams; Franklin; Lincoln |
| SenderName | NWS Jackson MS |
| ZonesUsedForCentroid | 12 |
| ZoneCount | 47 |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 32/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.