Right now
The most recent data we hold from NOAA arrived 5 hours 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 6 September 2026 at 10:45 UTC. It is kept here as a record.
It is the 12th strongest of the 42 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 15 March 2026.
What the source measured
NOAA reported: Tropical Storm Watch issued September 5 at 4:38PM HST by NWS Honolulu HI
Nearby, since 15 March 2026
- September 7, 2026 · score 46 · 0.0 km
- September 6, 2026 · score 16 · 0.0 km
- September 8, 2026 · score 46 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.62/1 |
| Coordinates | 22.0197, -159.6108 |
| Nearest City | Schofield Barracks (169 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-06T02:38:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.002.1 |
Physical priority index · v4 (historical). Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-09-06T02:38:00.000Z.
First archived: 2026-09-06T02:44:21.323Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Tropical Storm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Kauai North; Kauai East; Kauai Southwest and 3 more areas |
| Headline | Tropical Storm Watch issued September 5 at 4:38PM HST by NWS Honolulu HI |
| Expires | 2026-09-06T00:45:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.002.1","noaa_urn:oid:2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.003.1","noaa_urn:oid:2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.005.1","noaa_urn:oid:2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.006.1","noaa_urn:oid:2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.004.1","noaa_urn:oid:2.49.0.1.840.0.5a8ef6ab90610b8b49e336d526ec7f13c0d13130.001.1"] |
Safety Information
During a tropical cyclone: shelter in a sturdy interior room away from windows. Stock emergency supplies including water, food, medications, and flashlights. Do not venture outdoors during the eye of the storm. After passage, beware of downed power lines, flooding, and structural damage. Follow official guidance for evacuation and shelter.
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.
Review the area, threshold and delivery channel in your account.
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