Right now
The most recent data we hold from HEAT GOV arrived 31 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 13 September 2026, 02:45 UTC.
It is the 33rd strongest of the 49 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 7 September 2026. 2 more were recorded here in the fortnight before it.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 110 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central Mississippi. * WHEN...From 11 AM to 7 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.
An estimated 23,131 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 34 · 8.6 km
- September 7, 2026 · score 28 · 20.7 km
- September 2, 2026 · score 28 · 22.5 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 | 32.4064, -90.9232 |
| Nearest City | Vicksburg (7 km) |
| Population Exposed | 23.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-13T11:00:00-05:00 |
| Expires | 2026-09-12T21:45:00-05:00 |
| AreaDesc | Ashley; Chicot; Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Bolivar; Sunflower; Leflore; Washington; Humphreys; Holmes; Issaquena; Sharkey; Yazoo; Madison; Warren; Hinds; Rankin; Claiborne; Copiah; Simpson; Jefferson; Adams; Franklin; Lincoln; Lawrence; Jefferson Davis; Marion |
| SenderName | NWS Jackson MS |
| ZonesUsedForCentroid | 12 |
| ZoneCount | 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 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 near Vicksburg?