This alert is in force until 2 September 2026, 17:00 UTC.
It is the 6th strongest of the 12 detections recorded within 20 km of this point since 22 May 2026. The last comparable one was on 7 June 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 115 expected. * WHERE...Coastal Kenedy, Coastal Willacy, Inland Cameron, Inland Kenedy, and Inland Willacy Counties. * WHEN...From noon to 6 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
An estimated 65,774 people live within 50 km of this point.
Nearby, since 22 May 2026
- May 22, 2026 · score 46 · 17.6 km
- May 24, 2026 · score 43 · 19.6 km
- May 23, 2026 · score 22 · 21.1 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 69% |
| Coordinates | 26.5787, -97.5693 |
| Nearest City | Harlingen (45 km) |
| Population Exposed | 65.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-02T17:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-02T12:00:00-05:00 |
| Expires | 2026-09-02T12:00:00-05:00 |
| AreaDesc | Inland Kenedy; Inland Willacy; Inland Cameron; Coastal Kenedy; Coastal Willacy |
| SenderName | NWS Brownsville TX |
| ZonesUsedForCentroid | 5 |
| ZoneCount | 5 |
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 10 February 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 32/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.