Headline:
Flash Flood Warning issued September 7 at 9:39PM HST until September 7 at 10:30PM HST by NWS Honolulu HI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 8, 2026 - 12:39am
Expires:
September 8, 2026 - 1:30am
Description:
At 939 PM HST, Doppler radar indicated heavy rain over Kauai. Rain
was falling at a rate of 1 to 2 inches per hour. Substantial rises
have been observed at the Wainiha River, Waialae Stream, Hanapepe
River, and Kawaikoi Stream gages. The Waimea River continues to
steadily rise. In addition, water levels at the Hanalei River Bridge
on Kuhio Highway have sharply risen during the last hour. Rises on
other area rivers and streams can also be expected as heavy rain
continues. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Gauges reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
The island of Kauai.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Area Description:
Kauai, HI
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov