Right now
The most recent data we hold from HEAT GOV arrived 24 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 9 September 2026, 08:00 UTC.
It is the 7th strongest of the 9 detections recorded within 20 km of this point since 9 March 2026. The last comparable one was on 8 September 2026.
What the source measured
HEAT GOV reported: * WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 109 expected. * WHERE...Portions of East Arkansas, North Mississippi, and West Tennessee. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second He...
An estimated 95,007 people live within 50 km of this point.
Nearby, since 9 March 2026
- September 8, 2026 · score 32 · 0.0 km
- June 2, 2026 · score 52 · 18.8 km
- March 9, 2026 · score 48 · 24.3 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 32 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) | 32 / 100 |
| Our confidence | 69% |
| Coordinates | 34.6350, -90.2769 |
| Nearest City | Hernando (33 km) |
| Population Exposed | 95.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T16:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-09T11:00:00-05:00 |
| Expires | 2026-09-09T03:00:00-05:00 |
| AreaDesc | Crittenden; St. Francis; Lee; Phillips; DeSoto; Marshall; Tunica; Tate; Coahoma; Quitman; Panola; Lafayette; Tallahatchie; Yalobusha; Shelby; Fayette |
| SenderName | NWS Memphis TN |
| ZonesUsedForCentroid | 8 |
| ZoneCount | 16 |
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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