Right now
The most recent data we hold from HEAT GOV arrived 9 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert is in force until 7 September 2026, 00:00 UTC.
It is the 9th strongest of the 12 detections recorded within 20 km of this point since 19 May 2026. The last comparable one was on 5 September 2026.
What the source measured
HEAT GOV reported: * WHAT...For the first Heat Advisory, heat index values up to 106. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Portions of south central and southwest Arkansas, southeast Oklahoma, and northeast Texas. * WHEN...For the first Heat Advisory, until 7 PM CDT this e...
An estimated 67,633 people live within 50 km of this point.
Nearby, since 19 May 2026
- September 5, 2026 · score 32 · 0.0 km
- May 19, 2026 · score 39 · 4.6 km
- June 19, 2026 · score 39 · 5.9 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 70 % 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 | 70% |
| Coordinates | 33.4499, -94.1355 |
| Nearest City | Texarkana (8 km) |
| Population Exposed | 67.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-06T15:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-06T10:00:00-05:00 |
| Expires | 2026-09-06T19:00:00-05:00 |
| AreaDesc | Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass |
| SenderName | NWS Shreveport LA |
| ZonesUsedForCentroid | 9 |
| ZoneCount | 17 |
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 Texarkana?
Calamity.live data shows a weather event with CalamityScore 32/100, near Texarkana (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.