Severe Weather near Mililani Mauka / Launani Valley
Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
8 other detections within 20 km in the last 24 hours, the nearest 7 km from here.
This alert expired on 16 May 2026 at 04:15 UTC. It is kept here as a record.
No stronger detection stands among the 68 recorded within 20 km of this point since 12 March 2026 — 31 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 15 at 3:30PM HST until May 15 at 6:15PM HST by NWS Honolulu HI
Nearby, since 12 March 2026
- May 16, 2026 · score 22 · 0.0 km
- March 21, 2026 · score 22 · 3.3 km
- March 20, 2026 · score 22 · 3.3 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % 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 | 70% |
| Coordinates | 21.4753, -157.9984 |
| Nearest City | Mililani Mauka / Launani Valley (1 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-16T01:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9ebfbd9a8c6d44d93fc718c37e05930cc4c83142.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Oahu in Honolulu, HI |
| Headline | Flash Flood Warning issued May 15 at 3:30PM HST until May 15 at 6:15PM HST by NWS Honolulu HI |
| Expires | 2026-05-15T18:15:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 NNE Kunia |
| Iem County | Honolulu |
| Iem State | HI |
| Iem Wfo | HFO |
| Iem Remark | Water flooding residence in Royal Kunia. |
| MergedSources | [{"id":"iem_F_21.380_-158.010_1778895300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778895300000,"latitude":21.38,"longitude":-158.01},{"id":"iem_F_21.480_-157.850_1778890980000","source":"iem","severity":"low","severityValue":25,"timestamp":1778890980000,"latitude":21.48,"longitude":-157.85},{"id":"iem_F_21.490_-157.850_1778893500000","source":"iem","severity":"low","severityValue":25,"timestamp":1778893500000,"latitude":21.49,"longitude":-157.85},{"id":"iem_F_21.410_-158.030_1778892660000","source":"iem","severity":"low","severityValue":25,"timestamp":1778892660000,"latitude":21.41,"longitude":-158.03}] |
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 Mililani Mauka / Launani Valley?
Calamity.live data shows a weather event with CalamityScore 22/100, near Mililani Mauka / Launani Valley (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.