Right now
The most recent data we hold from HEAT GOV arrived 9 hours ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 14 September 2026 at 01:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 5 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 14 June 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 107 expected. * WHERE...Portions of North Mississippi, Southeast Missouri, and West Tennessee. * WHEN...From 11 AM Monday to 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Nearby, since 10 March 2026
- June 14, 2026 · score 16 · 7.6 km
- June 14, 2026 · score 16 · 14.7 km
- March 10, 2026 · score 22 · 19.2 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 49 % 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) | 16 / 100 |
| Our confidence | 49% |
| Coordinates | 35.1425, -88.9696 |
| Nearest City | Jackson (54 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-14T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-14T11:00:00-05:00 |
| Expires | 2026-09-13T20:00:00-05:00 |
| AreaDesc | Pemiscot; Marshall; Benton; Tippah; Alcorn; Tishomingo; Prentiss; Lafayette; Union; Pontotoc; Lee; Itawamba; Yalobusha; Calhoun; Chickasaw; Monroe; Lake; Obion; Weakley; Henry; Dyer; Gibson; Carroll; Benton; Haywood; Crockett; Madison; Chester; Henderson; Decatur; Fayette; Hardeman; McNairy; Hardin |
| SenderName | NWS Memphis TN |
| 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.
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