Flash Flood Warning
N
Issued by NWS Honolulu HI
⏳ In force until Fri 30 Oct, 08:00 📍 Hawaii in Hawaii, HI (approximate) 🕑 3 h ago
At 544 PM HST, Doppler radar indicated heavy rain and isolated thunderstorms over windward Big Island. Rain was falling at a rate of 1 to 2 inches per hour with the heaviest rainfall over the Hilo districts. Flash flooding is ongoing. Conditions should gradually improve over the next hour. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small cre…
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeveritySevere
⏱
UrgencyImmediate
❓
CertaintyLikely
EventFlash Flood Warning
Response typeAvoid
CategoryMet
Affected areaHawaii in Hawaii, HI
Issuing authorityNWS Honolulu HI
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-29T17:44:00-10:00
Effective2026-10-29T17:44:00-10:00
Onset2026-10-29T17:44:00-10:00
Expires2026-10-29T19:00:00-10:00
📋 Official instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.bb2ed2aad33036379c9b67837e3964db4db1ee03.001.1
Message typeUpdate
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesurn:oid:2.49.0.1.840.0.a0e7bab47db29b72bc673ca4780a060cb1e9c54a.001.1
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
- Avoid flooded roads, rivers and drainage channels; do not walk or drive through moving water.
- Move valuables and people to higher ground if water is rising near you.
- Follow local authority and Red Cross updates for the area.
📰 Story summary
From the report shown in the feed:
- At 544 PM HST, Doppler radar indicated heavy rain and isolated thunderstorms over windward Big Island.
- Rain was falling at a rate of 1 to 2 inches per hour with the heaviest rainfall over the Hilo districts.
- Flash flooding is ongoing.
- Conditions should gradually improve over the next hour.
- HAZARD...Flash flooding caused by heavy rain.
- SOURCE...Radar indicated.
- IMPACT...Flash flooding of small cre…
ⓘ News summary · read the original report for full context.
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