Right now
The most recent data we hold from HEAT GOV arrived 5 hours 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 7 September 2026, 03:00 UTC.
It is the 31st strongest of the 39 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 2 September 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 Mississippi. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from 11 AM to 7 PM CDT Monday. * IMPACTS...Hot tempera...
An estimated 48,385 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 2, 2026 · score 28 · 8.6 km
- March 16, 2026 · score 34 · 20.1 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 | 32.4913, -90.7265 |
| Nearest City | Vicksburg (21 km) |
| Population Exposed | 48.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-07T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-07T11:00:00-05:00 |
| Expires | 2026-09-06T22:00:00-05:00 |
| AreaDesc | Ashley; Chicot; Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Bolivar; Sunflower; Washington; Humphreys; Issaquena; Sharkey; Yazoo; Madison; Warren; Hinds; Rankin; Scott; Newton; Lauderdale; Claiborne; Copiah; Jefferson; Adams; Franklin; Lincoln |
| SenderName | NWS Jackson MS |
| ZonesUsedForCentroid | 11 |
| ZoneCount | 31 |
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?
Calamity.live data shows a weather event with CalamityScore 28/100, near Vicksburg (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.