Right now
The most recent data we hold from NOAA arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
3 other detections within 20 km in the last 24 hours, the nearest 14 km from here.
This alert expired on 1 October 2026 at 05:00 UTC. It is kept here as a record.
It is the 7th strongest of the 28 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 30 September 2026. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued September 30 at 10:52PM CDT until September 30 at 11:00PM CDT by NWS Topeka KS
Urban PEI: 15,717 within a heuristic 50 km radius; not unique people.
Nearby, since 10 March 2026
- September 21, 2026 · score 28 · 0.0 km
- September 20, 2026 · score 40 · 0.0 km
- September 19, 2026 · score 40 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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) | 46 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 38.5000, -98.8000 |
| Nearest City | Great Bend (16 km) |
| Urban exposure index (PEI) | 15.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-10-01T03:52:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.6c7d559f484cab98548d2389561c5f505ac29294.001.1 |
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: 2026-10-01T03:52:00.000Z.
First archived: 2026-09-30T21:07:47.805Z. Material modification: 2026-10-01T03:55:33.810Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
20 retained revisions changed source fields this page does not show; the index, severity and version stayed the same.
Score Breakdown
Technical Details
| Event | Tornado Watch |
| MessageId | urn:oid:2.49.0.1.840.0.6c7d559f484cab98548d2389561c5f505ac29294.001.1 |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Cloud, KS; Mitchell, KS; Osborne, KS |
| Headline | Tornado Watch issued September 30 at 10:52PM CDT until September 30 at 11:00PM CDT by NWS Topeka KS |
| Expires | 2026-10-01T00:00:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.93c4f0f2817c8312b233d3bfe6ceaf34e5fa7ba5.001.1","noaa_urn:oid:2.49.0.1.840.0.7e0e1f044711f05192a57ce319abc5e04dfe5b98.001.1"] |
| Spc ReportType | tornado |
| Spc Speed | UNK |
| Spc Location | 5 N Sylvan Grove |
| Spc County | Lincoln |
| Spc State | KS |
| Spc Comments | (ICT) |
| Iem TypeSummary | Tornado |
| Iem LsrCode | T |
| Iem LsrType | TORNADO |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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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