Reported by NDBC 90 days ago.
No stronger detection stands among the 20 recorded within 20 km of this point since 9 March 2026 — 18 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NDBC reported: Hazardous conditions at NDBC buoy 46214: waves 4.3m.
Nearby, since 9 March 2026
- June 30, 2026 · score 22 · 0.0 km
- June 29, 2026 · score 22 · 0.0 km
- March 10, 2026 · score 22 · 0.0 km
How we know
One source: NDBC. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 50 % 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 | 50% |
| Coordinates | 37.9440, -123.4660 |
| Nearest City | Petaluma (79 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-31T19:05:00.000Z |
| Source | https://www.ndbc.noaa.gov/station_page.php?station=46214 |
Score Breakdown
Technical Details
| StationId | 46214 |
| WaveHeightM | 4.3 |
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.
Calamity.live data shows a weather event with CalamityScore 22/100, near Petaluma (United States), based on data from ndbc. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.