Right now
The most recent data we hold from SPC arrived 3 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by SPC yesterday.
It is one of only 3 we have recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind 58 kt near 4 SE Frederick, Tillman, OK. (OUN)
Urban PEI: 19,214 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- August 28, 2026 · 1.1 km
- August 27, 2026 · 1.1 km
- May 26, 2026 · 6.2 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 34.3400, -98.9800 |
| Nearest City | Altus (46 km) |
| Urban exposure index (PEI) | 19.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-24T12:54:35.487Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: spc. Occurrence: 2026-09-24T12:54:35.487Z.
First archived: 2026-09-24T04:28:39.676Z. Material modification: 2026-09-24T13:00:40.487Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-24T13:00:40.487Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:50:07.570Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:44:49.976Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:39:33.250Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:34:16.935Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:29:00.526Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:23:44.584Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:18:28.275Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:07:53.918Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T12:02:33.553Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:57:15.431Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:51:58.343Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:46:41.988Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:36:10.409Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:30:54.191Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:25:37.690Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:20:19.468Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:15:02.046Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:09:45.435Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
2026-09-24T11:04:28.561Z · data_change
Index 28 → 28; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 58 |
| Location | 4 SE Frederick |
| County | Tillman |
| State | OK |
| Comments | (OUN) |
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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