Right now
The most recent data we hold from HEAT GOV arrived 3 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 8 September 2026, 00:00 UTC.
It is the 64th strongest of the 80 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 7 July 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 110 expected. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and northeast Texas. * WHEN...For the fir...
An estimated 37,280 people live within 50 km of this point.
Nearby, since 15 March 2026
- March 16, 2026 · score 39 · 15.1 km
- May 19, 2026 · score 43 · 20.4 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 | 32.9863, -94.0484 |
| Nearest City | Texarkana (49 km) |
| Population Exposed | 37.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-07T15:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-07T10:00:00-05:00 |
| Expires | 2026-09-07T19:00:00-05:00 |
| AreaDesc | Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; Bienville; Jackson; Ouachita; Winn; Caldwell; La Salle; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Smith; Gregg; Harrison |
| SenderName | NWS Shreveport LA |
| ZonesUsedForCentroid | 12 |
| ZoneCount | 35 |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 28/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.