Right now
The most recent data we hold from NOAA arrived 28 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 20 March 2026 at 03:00 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 20 March 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Watch issued March 18 at 2:39PM PDT until March 22 at 2:11PM PDT by NWS Pendleton OR
An estimated 52,637 people live within 50 km of this point.
Nearby, since 20 March 2026
- March 20, 2026 · score 39 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 80 % 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 47.4278, -120.6839 |
| Nearest City | Wenatchee (28 km) |
| Population Exposed | 52.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-20T22:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Watch_noaa_urn:oid:2.49.0.1.840.0.83612c1cae6f6d63e3df41986c016039 |
Score Breakdown
Technical Details
| Event | Flood Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Yakima Valley; King, WA; Skagit, WA; Snohomish, WA; Whatcom, WA; Mason, WA |
| Headline | Flood Watch issued March 18 at 2:39PM PDT until March 22 at 2:11PM PDT by NWS Pendleton OR |
| Expires | 2026-03-19T20:00:00-07:00 |
| SenderName | NWS Pendleton OR |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.83612c1cae6f6d63e3df41986c0160392ca61ad4.001.1","noaa_urn:oid:2.49.0.1.840.0.14796dbcf03aaaa046ee23de5a3d5b5e05a3b9c3.002.1","noaa_urn:oid:2.49.0.1.840.0.14796dbcf03aaaa046ee23de5a3d5b5e05a3b9c3.001.1"] |
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 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.
Want to know when something happens near Wenatchee?
Calamity.live data shows a weather event with CalamityScore 39/100, near Wenatchee (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.