This alert is in force until 2 September 2026, 01:00 UTC.
It is the 11th strongest of the 48 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 22 August 2026.
What the source measured
HEAT GOV reported: * WHAT...Peak heat index values ranging from the upper 90s to lower 100s Wednesday afternoon. Overnight lows in the low to mid 70s will provide for limited nighttime relief from the heat. * WHERE...Ashtabula Inland, Ashtabula Lakeshore, Geauga, Holmes, Lake, Mahoning, Portage, Stark, and Trumbul...
An estimated 1,025,920 people live within 50 km of this point.
Nearby, since 17 March 2026
- August 10, 2026 · score 52 · 8.0 km
- May 10, 2026 · score 43 · 11.8 km
- May 7, 2026 · score 43 · 11.8 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 41.2925, -81.0930 |
| Nearest City | Aurora (22 km) |
| Population Exposed | 1.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-02T15:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-02T11:00:00-04:00 |
| Expires | 2026-09-01T21:00:00-04:00 |
| AreaDesc | Lake; Geauga; Ashtabula Inland; Portage; Trumbull; Stark; Mahoning; Holmes; Ashtabula Lakeshore |
| SenderName | NWS Cleveland OH |
| ZonesUsedForCentroid | 9 |
| ZoneCount | 9 |
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 near Aurora?
Calamity.live data shows a weather event with CalamityScore 46/100, near Aurora (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.