Right now
The most recent data we hold from HEAT GOV arrived 3 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert is in force until 8 September 2026, 01:00 UTC.
It is the 5th strongest of the 6 detections recorded within 20 km of this point since 11 May 2026. The last comparable one was on 1 July 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...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from 11 AM to 7 PM CDT Tuesday. * IMPACTS....
An estimated 15,431 people live within 50 km of this point.
Nearby, since 11 May 2026
- July 1, 2026 · score 34 · 14.7 km
- May 11, 2026 · score 34 · 22.1 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 68 % 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 | 68% |
| Coordinates | 33.4714, -89.9456 |
| Nearest City | Greenwood (22 km) |
| Population Exposed | 15.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-07T17:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-07T12:00:00-05:00 |
| Expires | 2026-09-07T20:00:00-05:00 |
| AreaDesc | Leflore; Grenada; Carroll; Montgomery; Holmes |
| SenderName | NWS Jackson MS |
| ZonesUsedForCentroid | 5 |
| ZoneCount | 5 |
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 Greenwood?
Calamity.live data shows a weather event with CalamityScore 28/100, near Greenwood (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.