This alert expired on 14 March 2026 at 18:00 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 14 March 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued March 14 at 3:45AM HST until March 14 at 8:00AM HST by NWS Honolulu HI
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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 | 69% |
| Coordinates | 19.2900, -155.3494 |
| Nearest City | Hilo (56 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-14T13:45:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_64e1559d2bd5a0bc1a76c43d98c05d5933cce704_001_1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Hawaii in Hawaii, HI |
| Headline | Flash Flood Warning issued March 14 at 3:45AM HST until March 14 at 8:00AM HST by NWS Honolulu HI |
| Expires | 2026-03-14T08:00:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| Iem TypeSummary | N |
| Iem Magnitude | 135 |
| Iem Unit | MPH |
| Iem City | 3 SSE Puuanahulu |
| Iem County | Hawaii |
| Iem State | HI |
| Iem Wfo | HFO |
| Iem Remark | Kaiaulu Puuwaawaa. |
| MergedSources | [{"id":"iem_N_19.910_-155.420_1773504000000","source":"iem","severity":"low","severityValue":25,"timestamp":1773504000000,"latitude":19.91,"longitude":-155.42},{"id":"iem_N_19.770_-155.830_1773496800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773496800000,"latitude":19.77,"longitude":-155.83},{"id":"iem_N_19.770_-155.830_1773490800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773490800000,"latitude":19.77,"longitude":-155.83}] |
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 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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.