Right now
The most recent data we hold from NOAA arrived 34 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
4 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 9 June 2026 at 06:00 UTC. It is kept here as a record.
It is the 255th strongest of the 308 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 8 June 2026. 51 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued June 8 at 7:37PM CDT until June 9 at 1:00AM CDT by NWS Wichita KS
Urban PEI: 15,717 within a heuristic 50 km radius; not unique people.
Nearby, since 10 March 2026
- September 15, 2026 · score 28 · 0.0 km
- September 14, 2026 · score 28 · 0.0 km
- September 12, 2026 · score 28 · 0.0 km
How we know
One source: NOAA. 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 v1. 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 | 0.80/1 |
| Coordinates | 38.5000, -98.8000 |
| Nearest City | Great Bend (16 km) |
| Urban exposure index (PEI) | 15.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-09T00:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.cd04f486005cd3b0efc54a7f1a820e6f |
Physical priority index · v1. 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: 2026-06-09T00:37:00.000Z.
First archived: 2026-06-09T01:32:28.225Z. 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 Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Butler, KS; Chase, KS; Greenwood, KS; Harvey, KS; McPherson, KS; Marion, KS; Saline, KS; Anderson, KS; Clay, KS; Cloud, KS; Coffey, KS; Dickinson, KS; Douglas, KS; Franklin, KS; Geary, KS; Jackson, KS; Jefferson, KS; Lyon, KS; Morris, KS; Osage, KS; Ottawa, KS; Pottawatomie, KS; Republic, KS; Riley, KS; Shawnee, KS; Wabaunsee, KS; Washington, KS |
| Headline | Severe Thunderstorm Watch issued June 8 at 7:37PM CDT until June 9 at 1:00AM CDT by NWS Wichita KS |
| Expires | 2026-06-09T01:00:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.cd04f486005cd3b0efc54a7f1a820e6f48f180a4.001.1","noaa_urn:oid:2.49.0.1.840.0.527f4711736c97c24a7ef310ae305ae98b003230.001.1"] |
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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