Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 28 May 2026 at 01:00 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 27 May 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 May 27 at 5:09PM PDT until May 27 at 6:00PM PDT by NWS Medford OR
An estimated 40,656 people live within 50 km of this point.
Nearby, since 27 May 2026
- May 28, 2026 · score 34 · 15.2 km
- May 27, 2026 · score 34 · 16.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 42.0120, -121.9513 |
| Nearest City | Klamath Falls (27 km) |
| Population Exposed | 40.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T00:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0a5f8c3af595aa7bbdae8b86b00548cc |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Siskiyou, CA; Klamath, OR; Klamath, OR |
| Headline | Severe Thunderstorm Warning issued May 27 at 5:09PM PDT until May 27 at 6:00PM PDT by NWS Medford OR |
| Expires | 2026-05-27T18:00:00-07:00 |
| SenderName | NWS Medford OR |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0a5f8c3af595aa7bbdae8b86b00548ccd783ee06.001.1","noaa_urn:oid:2.49.0.1.840.0.112acf57122a6f5816d9ab84677ecdc25e694e2a.001.1","noaa_urn:oid:2.49.0.1.840.0.36aa9484a5036379517c85ebcc0ee8cc3ffba2d6.001.1"] |
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.
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