Right now
The most recent data we hold from NOAA arrived 86 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
8 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert expired on 16 September 2026 at 01:00 UTC. It is kept here as a record.
It is the 14th strongest of the 35 detections recorded within 20 km of this point since 21 June 2026. The last comparable one was on 15 September 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 15 at 7:42PM CDT until September 15 at 8:00PM CDT by NWS Norman OK
Nearby, since 21 June 2026
- September 16, 2026 · score 16 · 4.6 km
- June 27, 2026 · score 22 · 13.5 km
- June 21, 2026 · score 22 · 15.2 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 16 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) | 16 / 100 |
| Legacy data-support index | 0.71/1 |
| Coordinates | 36.4257, -99.4714 |
| Nearest City | Enid (142 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-16T00:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4e58be5f5120bafed706ab4c38ff1400bf9de6a8.002.1 |
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: noaa. Occurrence: 2026-09-16T00:42:00.000Z.
First archived: 2026-09-16T00:47:14.232Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-16T00:58:05.125Z · data_change
Index 16 → 16; severity medium → medium; version 5 → 5.
2026-09-16T00:52:44.306Z · data_change
Index 16 → 16; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Ellis, OK; Harper, OK; Woodward, OK |
| Headline | Severe Thunderstorm Warning issued September 15 at 7:42PM CDT until September 15 at 8:00PM CDT by NWS Norman OK |
| Expires | 2026-09-15T20:00:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | 67 |
| Spc Location | 2 WSW Woodward |
| Spc County | Woodward |
| Spc State | OK |
| Spc Comments | Woodward Mesonet. (OUN) |
| Iem TypeSummary | G |
| Iem Magnitude | 67 |
| Iem Unit | MPH |
| Iem City | 2 WSW Woodward |
| Iem County | Woodward |
| Iem State | OK |
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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