Severe Weather near Aliamanu / Salt Lakes / Foster Village
Right now
The most recent data we hold from NOAA arrived 6 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 13 March 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 57 recorded within 20 km of this point since 12 March 2026 — 24 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: Flash Flood Warning issued March 12 at 1:37PM HST until March 12 at 2:45PM HST by NWS Honolulu HI
Nearby, since 12 March 2026
- May 16, 2026 · score 22 · 2.4 km
- May 15, 2026 · score 22 · 2.4 km
- March 14, 2026 · score 22 · 2.5 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 68 % 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 | 68% |
| Coordinates | 21.4271, -157.8843 |
| Nearest City | Aliamanu / Salt Lakes / Foster Village (8 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-12T23:37:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_40fbde0e67bd87bb10ab2c6116e2582dfbc905ad_001_1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Oahu in Honolulu, HI |
| Headline | Flash Flood Warning issued March 12 at 1:37PM HST until March 12 at 2:45PM HST by NWS Honolulu HI |
| Expires | 2026-03-12T14:45:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 SSE Waialua |
| Iem County | Honolulu |
| Iem State | HI |
| Iem Wfo | HFO |
| Iem Remark | Flooding at Waialua High and Intermediate School. |
| Google News RssFeed | weather |
| Google News SourceName | City and County of Honolulu (.gov) |
| MergedSources | [{"id":"iem_F_21.570_-158.150_1773338760000","source":"iem","severity":"low","severityValue":25,"timestamp":1773338760000,"latitude":21.57,"longitude":-158.15},{"id":"iem_F_21.370_-157.780_1773337980000","source":"iem","severity":"low","severityValue":25,"timestamp":1773337980000,"latitude":21.37,"longitude":-157.78},{"id":"iem_F_21.440_-158.160_1773349560000","source":"iem","severity":"low","severityValue":25,"timestamp":1773349560000,"latitude":21.44,"longitude":-158.16},{"id":"iem_F_21.570_-158.120_1773341280000","source":"iem","severity":"low","severityValue":25,"timestamp":1773341280000,"latitude":21.57,"longitude":-158.12},{"id":"gnews_weather_492596_163","source":"google_news","severity":"medium","severityValue":40,"timestamp":1773347781000,"latitude":21.31,"longitude":-157.86}] |
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 Aliamanu / Salt Lakes / Foster Village?