Right now
The most recent data we hold from HEAT GOV arrived 12 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert is in force until 13 September 2026, 06:00 UTC.
It is the 22nd strongest of the 38 detections recorded within 20 km of this point since 15 April 2026. The last comparable one was on 9 September 2026. 5 more were recorded here in the fortnight before it.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 107 expected. * WHERE...Portions of east central, northeast, and southeast Oklahoma. * WHEN...From noon to 7 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous...
An estimated 55,054 people live within 50 km of this point.
Nearby, since 15 April 2026
- September 3, 2026 · score 37 · 3.7 km
- August 7, 2026 · score 39 · 5.9 km
- June 12, 2026 · score 39 · 12.3 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 | 35.8870, -95.2465 |
| Nearest City | Muskogee (19 km) |
| Population Exposed | 55.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-13T17:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-13T12:00:00-05:00 |
| Expires | 2026-09-13T01:00:00-05:00 |
| AreaDesc | Washington; Nowata; Craig; Pawnee; Tulsa; Rogers; Mayes; Creek; Wagoner; Western Osage; Northern Sequoyah; Northeast Osage; Central Le Flore; Southeast Osage; Southern Le Flore |
| SenderName | NWS Tulsa OK |
| ZonesUsedForCentroid | 8 |
| ZoneCount | 15 |
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.
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