Right now
The most recent data we hold from NOAA arrived 9 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 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 7 recorded within 20 km of this point since 13 April 2026 — one other scored the same. The last comparable one was on 13 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 28 at 3:48PM PDT until May 28 at 4:45PM PDT by NWS Spokane WA
Nearby, since 13 April 2026
- May 28, 2026 · score 22 · 1.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 58 % 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) | 22 / 100 |
| Our confidence | 58% |
| Coordinates | 45.3676, -117.5751 |
| Nearest City | Walla Walla (97 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-28T22:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d05f818eae0dbeea919927747040a169 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lewis, ID; Idaho, ID; Baker, OR and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 28 at 3:48PM PDT until May 28 at 4:45PM PDT by NWS Spokane WA |
| Expires | 2026-05-28T16:45:00-07:00 |
| SenderName | NWS Spokane WA |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d05f818eae0dbeea919927747040a1692e29606e.001.1","noaa_urn:oid:2.49.0.1.840.0.5ef02352eeabc7a38fb7fed7e36e169c5bb74e84.001.1","noaa_urn:oid:2.49.0.1.840.0.5de06cb10d112748182fc6da76d190a3d0b80195.001.1","noaa_urn:oid:2.49.0.1.840.0.122c75b5e5e6a789d5a46747e89665dc589a4442.001.1","noaa_urn:oid:2.49.0.1.840.0.3cce82ecb94c1790281b1bc5be7be9371254dca9.001.1","noaa_urn:oid:2.49.0.1.840.0.de3c88ae57831650be396f7f19ba7b54214dfe37.001.1"] |
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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