This alert is in force until 2 September 2026, 06:15 UTC.
It is the 4th strongest of the 7 detections recorded within 20 km of this point since 24 April 2026. The last comparable one was on 12 July 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 107 expected. * WHERE...Muskogee, Okmulgee, Choctaw, McIntosh, Pittsburg, and Pushmataha Counties. * WHEN...From noon to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those per...
An estimated 18,310 people live within 50 km of this point.
Nearby, since 24 April 2026
- July 12, 2026 · score 34 · 15.0 km
- June 6, 2026 · score 34 · 18.9 km
- June 12, 2026 · score 28 · 23.2 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 69% |
| Coordinates | 34.9858, -95.5935 |
| Nearest City | McAlester (17 km) |
| Population Exposed | 18.3K 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 | 2026-09-02T01:15:00-05:00 |
| AreaDesc | Pushmataha; Choctaw; Okmulgee; Muskogee; McIntosh; Pittsburg |
| SenderName | NWS Tulsa OK |
| ZonesUsedForCentroid | 6 |
| ZoneCount | 6 |
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 McAlester?
Calamity.live data shows a weather event with CalamityScore 28/100, near McAlester (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.