Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
10 other detections within 20 km in the last 24 hours, the nearest 1 km from here.
This alert expired on 19 September 2026 at 22:30 UTC. It is kept here as a record.
It is the 19th strongest of the 52 detections 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
NOAA reported: Severe Thunderstorm Warning issued September 19 at 5:15PM CDT until September 19 at 5:30PM CDT by NWS Norman OK
Urban PEI: 60,785 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- June 14, 2026 · score 32 · 9.1 km
- June 21, 2026 · score 39 · 13.9 km
- September 19, 2026 · score 45 · 18.2 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 32 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) | 32 / 100 |
| Legacy data-support index | 0.83/1 |
| Coordinates | 38.1250, -97.8467 |
| Nearest City | Hutchinson (10 km) |
| Urban exposure index (PEI) | 60.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-19T22:15:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5408bbc72438344caf4c0cebf9845a8ba780efcd.001.1 |
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: 2026-09-19T22:15:00.000Z.
First archived: 2026-09-19T22:17:07.678Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Major, OK; Woods, OK; Woodward, OK; Reno, KS; Geary, KS; Riley, KS and 5 more areas |
| Headline | Severe Thunderstorm Warning issued September 19 at 5:15PM CDT until September 19 at 5:30PM CDT by NWS Norman OK |
| Expires | 2026-09-19T17:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5408bbc72438344caf4c0cebf9845a8ba780efcd.001.1","noaa_urn:oid:2.49.0.1.840.0.23794130fdcb648cffbe3eb6760ecd2131ec6071.001.1","noaa_urn:oid:2.49.0.1.840.0.773b52ff6bf69e2a25f033f4f6901bbe8459b476.001.1","noaa_urn:oid:2.49.0.1.840.0.3f7c250e36b87a469085241001ab34d7a45861a1.001.1","noaa_urn:oid:2.49.0.1.840.0.8558ee9c73667029135c9914bc5d5a0288e71b8b.001.1","noaa_urn:oid:2.49.0.1.840.0.8c44f3d5b217226d1bd470e63d2161493aa83f66.001.1","noaa_urn:oid:2.49.0.1.840.0.b6b549b1ebe58c5c16ceec82f56363d72575e3ff.001.1","noaa_urn:oid:2.49.0.1.840.0.7dc01f275b5998205c0ed21cd723c8ffaec14e74.001.1","noaa_urn:oid:2.49.0.1.840.0.fa67c48a34ef63816cd2cbf810f4aa312c930bbe.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.5 |
| Iem Unit | Inch |
| Iem City | 2 WNW Marquette |
| Iem County | McPherson |
| Iem State | KS |
| Iem Wfo | ICT |
| MergedSources | [{"id":"iem_H_38.570_-97.870_1789854360000","source":"iem","severity":"low","severityValue":25,"timestamp":1789854360000,"latitude":38.57,"longitude":-97.87}] |
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.
Review the area, threshold and delivery channel in your account.
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