This alert expired on 10 March 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 56 recorded within 20 km of this point since 8 March 2026 — 51 others scored the same.
What the source measured
NOAA reported: Flood Warning issued March 8 at 3:58PM PDT until March 9 at 6:00PM PDT by NWS Spokane WA
Nearby, since 8 March 2026
- March 18, 2026 · score 22 · 0.0 km
- March 17, 2026 · score 22 · 0.0 km
- March 16, 2026 · score 22 · 0.0 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 60 % 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) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 48.3438, -120.7230 |
| Nearest City | Seattle (145 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-08T22:58:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Expires | 2026-03-09T18:00:00-07:00 |
| Iem Wfo | OTX |
| Urgency | Expected |
| AreaDesc | Chelan, WA |
| Headline | Flood Warning issued March 8 at 3:58PM PDT until March 9 at 6:00PM PDT by NWS Spokane WA |
| Iem City | 5 W Methow |
| Iem Unit | MPH |
| Certainty | Likely |
| Iem State | WA |
| Iem County | Okanogan |
| Iem Remark | Mesonet station DIFW1 Douglas Ingram Ridge. |
| SenderName | NWS Spokane WA |
| Iem Magnitude | 55 |
| MergedSources | [{"id":"iem_N_48.120_-120.100_1772989560000","source":"iem","severity":"low","timestamp":1772989560000,"severityValue":25}] |
| HasExactCoords | true |
| Iem TypeSummary | N |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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.
Calamity.live data shows a weather event with CalamityScore 22/100, near Seattle (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.