This alert expired on 28 May 2026 at 01:15 UTC. It is kept here as a record.
It is the only one we have recorded within 20 km of this point since 28 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 5:40PM PDT until May 27 at 6:15PM PDT by NWS Medford OR
An estimated 20,861 people live within 50 km of this point.
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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 41.8057, -122.5643 |
| Nearest City | Ashland (44 km) |
| Population Exposed | 20.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T00:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f8b3500b7402473c8d52c7d854edc8c0 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Siskiyou, CA; Jackson, OR; Klamath, OR; Siskiyou, CA |
| Headline | Severe Thunderstorm Warning issued May 27 at 5:40PM PDT until May 27 at 6:15PM PDT by NWS Medford OR |
| Expires | 2026-05-27T18:15:00-07:00 |
| SenderName | NWS Medford OR |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f8b3500b7402473c8d52c7d854edc8c088bf8e7e.001.1","noaa_urn:oid:2.49.0.1.840.0.200deecf36e31391d383f400420a6c2d11fc64c2.001.1"] |
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 10 February 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.