Right now
The most recent data we hold from SPC arrived 84 minutes ago, and this point is in it.
4 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
Reported by SPC today.
It is the 4th strongest of the 5 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Tornado reported near 1 SE Ash Valley, Pawnee, KS. Storm chaser report of a tornado with live feed video. (DDC)
Urban PEI: 15,717 within a heuristic 50 km radius; not unique people.
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 35 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 | High |
| Calamity Score (ours) | 35 / 100 |
| Legacy data-support index | 0.74/1 |
| Coordinates | 38.2900, -99.2000 |
| Nearest City | Great Bend (39 km) |
| Urban exposure index (PEI) | 15.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-30T20:53:00.000Z |
| 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: 2026-09-30T20:53:00.000Z.
First archived: 2026-10-01T03:55:20.956Z. Material modification: 2026-10-01T05:25:48.544Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-10-01T05:25:48.544Z · data_change
Index 40 → 35.
1 retained revision changed source fields this page does not show; the index, severity and version stayed the same.
Score Breakdown
Technical Details
| ReportType | tornado |
| Speed | UNK |
| Location | 1 SE Ash Valley |
| County | Pawnee |
| State | KS |
| Comments | Storm chaser report of a tornado with live feed video. (DDC) |
| Iem TypeSummary | Tornado |
| Iem LsrCode | T |
| Iem LsrType | TORNADO |
| Iem City | 1 SE Ash Valley |
| Iem County | Pawnee |
| Iem State | KS |
| Iem Wfo | DDC |
| Iem Remark | Storm chaser report of a tornado with live feed video. |
| MergedSources | [{"id":"iem_T_38.290_-99.200_1790801580000","source":"iem","severity":"high","severityValue":75,"timestamp":1790801580000,"latitude":38.29,"longitude":-99.2}] |
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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