This alert expired on 15 March 2026 at 06:00 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 14 March 2026 — 2 others scored the same. The last comparable one was on 14 March 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued March 14 at 3:33PM HST until March 14 at 8:00PM HST by NWS Honolulu HI
Nearby, since 14 March 2026
- March 14, 2026 · score 22 · 0.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 63 % 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 | 63% |
| Coordinates | 20.8195, -156.3590 |
| Nearest City | Kīhei (12 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-15T01:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_48c84dfa0cd2e5d3baf3c5174f4aad0565e1227d_001_1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Maui, HI |
| Headline | Flash Flood Warning issued March 14 at 3:33PM HST until March 14 at 8:00PM HST by NWS Honolulu HI |
| Expires | 2026-03-14T20:00:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 NNW Olowalu |
| Iem County | Maui |
| Iem State | HI |
| Iem Wfo | HFO |
| Iem Remark | Honoapiilani Hwy (Hwy 30) closed from Kuihelani Hwy to the Olowalu dump due to flooding, swift water, and the integrity of the Ukuhehame bridge. |
| MergedSources | [{"id":"iem_F_20.830_-156.630_1773534840000","source":"iem","severity":"low","severityValue":25,"timestamp":1773534840000,"latitude":20.83,"longitude":-156.63}] |
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 Kīhei?
Calamity.live data shows a weather event with CalamityScore 22/100, near Kīhei (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.