Right now
The most recent data we hold from HEAT GOV arrived 52 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert is in force until 8 September 2026, 15:30 UTC.
It is the 3rd strongest of the 13 detections recorded within 20 km of this point since 25 April 2026. The last comparable one was on 18 August 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central and western Mississippi. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.
An estimated 26,462 people live within 50 km of this point.
Nearby, since 25 April 2026
- August 6, 2026 · score 37 · 6.8 km
- May 22, 2026 · score 22 · 10.2 km
- June 1, 2026 · score 43 · 18.8 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 69 % 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) | 28 / 100 |
| Our confidence | 69% |
| Coordinates | 31.8412, -90.1729 |
| Nearest City | Pearl (48 km) |
| Population Exposed | 26.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-08T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-08T11:00:00-05:00 |
| Expires | 2026-09-08T10:30:00-05:00 |
| AreaDesc | Rankin; Simpson; Lincoln; Lawrence |
| SenderName | NWS Jackson MS |
| ZonesUsedForCentroid | 4 |
| ZoneCount | 4 |
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 28/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.