Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
6 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 8 September 2026 at 03:03 UTC. It is kept here as a record.
It is the 2nd strongest of the 11 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 7 September 2026.
What the source measured
NOAA reported: Flash Flood Warning issued September 7 at 4:53PM HST until September 7 at 5:00PM HST by NWS Honolulu HI
Nearby, since 15 March 2026
- March 15, 2026 · score 22 · 15.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 16 out of 100, at 66 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 66% |
| Coordinates | 22.1519, -159.4125 |
| Nearest City | Schofield Barracks (156 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-08T02:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.0d5fc1544c57e50f2dd7edc7aa372f7f07a8ace6.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Kauai, HI |
| Headline | Flash Flood Warning issued September 7 at 4:53PM HST until September 7 at 5:00PM HST by NWS Honolulu HI |
| Expires | 2026-09-07T17:03:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 ENE Kawaihau |
| Iem County | Kauai |
| Iem State | HI |
| Iem Wfo | HFO |
| Iem Remark | KEMA reports water over the road at Keapana Bridge where Hauaala Road crosses Kapaa Stream. |
| MergedSources | [{"id":"iem_F_22.070_-159.320_1788823800000","source":"iem","severity":"low","severityValue":25,"timestamp":1788823800000,"latitude":22.07,"longitude":-159.32},{"id":"iem_F_22.110_-159.330_1788821760000","source":"iem","severity":"low","severityValue":25,"timestamp":1788821760000,"latitude":22.11,"longitude":-159.33}] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.