Right now
The most recent data we hold from HEAT GOV arrived 33 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, 12 km from here.
This alert expired on 5 September 2026 at 05:30 UTC. It is kept here as a record.
It is the 11th strongest of the 20 detections recorded within 20 km of this point since 15 April 2026. The last comparable one was on 3 September 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values between 105 and 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Saturday...
An estimated 55,054 people live within 50 km of this point.
Nearby, since 15 April 2026
- May 9, 2026 · score 39 · 6.2 km
- June 12, 2026 · score 39 · 16.1 km
- September 2, 2026 · score 32 · 18.1 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.
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 | 69% |
| Coordinates | 35.6436, -95.0089 |
| Nearest City | Tahlequah (31 km) |
| Population Exposed | 55.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-05T17:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-05T12:00:00-05:00 |
| Expires | 2026-09-05T00:30:00-05:00 |
| AreaDesc | North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Washington; Nowata; Craig; Ottawa; Pawnee; Tulsa; Rogers; Mayes; Delaware; Creek; Okfuskee; Okmulgee; Wagoner; Cherokee; Muskogee; McIntosh; Pittsburg; Haskell; Latimer; Western Osage; Northern Le Flore; Northeast Osage; Central and Southern Sequoyah; Central Le Flore; Southeast Osage |
| SenderName | NWS Tulsa OK |
| ZonesUsedForCentroid | 10 |
| ZoneCount | 29 |
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 32/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.