This alert expired on 19 March 2026 at 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 21 recorded within 20 km of this point since 13 March 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Watch issued March 18 at 12:17AM PDT until March 18 at 5:00PM PDT by NWS Spokane WA
Nearby, since 13 March 2026
- May 29, 2026 · score 22 · 0.0 km
- May 14, 2026 · score 22 · 0.0 km
- May 13, 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 | 44.2000, -114.4000 |
| Nearest City | Boise (158 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-18T07:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6dd54bfd563d62dce8f7ca69e44a3df2319d5826.001.1 |
Score Breakdown
Technical Details
| Event | Flood Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Bonner, ID |
| Headline | Flood Watch issued March 18 at 12:17AM PDT until March 18 at 5:00PM PDT by NWS Spokane WA |
| Expires | 2026-03-18T17:00:00-07:00 |
| SenderName | NWS Spokane WA |
| HasExactCoords | false |
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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.