This alert expired on 14 August 2026 at 05:45 UTC. It is kept here as a record.
Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Hurricane Watch issued August 13 at 11:32AM HST by NWS Honolulu HI
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 61 % 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) | 34 / 100 |
| Our confidence | 61% |
| Coordinates | 19.5517, -155.5863 |
| Nearest City | Hilo (56 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-13T21:32:00.000Z |
Score Breakdown
Technical Details
| Event | Hurricane Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Big Island South; Big Island North; Big Island Summit and 4 more areas |
| Headline | Hurricane Watch issued August 13 at 11:32AM HST by NWS Honolulu HI |
| Expires | 2026-08-13T19:45:00-10:00 |
| SenderName | NWS Honolulu HI |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.002.1","noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.005.1","noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.008.1","noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.003.1","noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.006.1","noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.004.1","noaa_urn:oid:2.49.0.1.840.0.edf640a1613ae9ec62036b1d591b3f0a65017bf2.001.1"] |
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 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 34/100, near Hilo (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.