Right now
The most recent data we hold from HEAT GOV arrived 4 hours ago, and this point is in it.
One other detection within 20 km in the last 24 hours, 12 km from here.
This alert expired on 14 September 2026 at 16:00 UTC. It is kept here as a record.
It is the 11th strongest of the 18 detections recorded within 20 km of this point since 24 April 2026. The last comparable one was on 12 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 degrees expected. * WHERE...Portions of east Mississippi. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.
Nearby, since 24 April 2026
- September 14, 2026 · score 28 · 11.8 km
- May 23, 2026 · score 34 · 11.9 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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. 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 |
| Legacy data-support index | 0.49/1 |
| Coordinates | 32.2133, -89.2373 |
| Nearest City | Meridian (53 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-14T16:00:00.000Z |
| Source | http://www.weather.gov |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: heat_gov. Occurrence: 2026-09-14T16:00:00.000Z.
First archived: 2026-09-14T05:40:53.144Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-14T17:45:00.312Z · data_change
Index 16 → 16; severity medium → medium; version 5 → 5.
2026-09-14T13:51:08.670Z · model_change
Index 16 → 16; severity medium → medium; version 4 → 5.
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-14T11:00:00-05:00 |
| Expires | 2026-09-14T11:00:00-05:00 |
| AreaDesc | Winston; Noxubee; Neshoba; Kemper; Scott; Newton; Lauderdale; Smith; Jasper; Clarke; Covington; Jones; Lamar; Forrest |
| SenderName | NWS Jackson MS |
| ZonesUsedForCentroid | 7 |
| ZoneCount | 14 |
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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