Headline:
Flash Flood Warning issued March 13 at 3:31PM HST until March 13 at 6:30PM HST by NWS Honolulu HI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
March 13, 2026 - 6:31pm
Expires:
March 13, 2026 - 9:30pm
Description:
At 331 PM HST, radar indicated diminishing rain over Oahu. Rain is
now falling at a rate of 1 inch per hour or less. Significant rises
have been observed on area streams including Waikane, Waiahole, and
the Kaukonahua Stream at Wahiawa Dam and Waialua. Kamehameha Highway
is closed at the Waikane Stream due to flooding. Finally, water is
inundating Otake Camp which is now being evacuated due to additional
water coming over the Wahiawa Reservoir spillway. Additional heavy
showers will move over the island this evening.
HAZARD...Heavy rain producing life threatening flash flooding.
SOURCE...Emergency management.
IMPACT...Significant and life threatening flooding in drainages,
streams, rivers, roads, properties, and other low lying
areas. Multiple public road closures expected, as well
as landslides in steep terrain.
Some locations that will experience flash flooding include...
The island of Oahu.
Instruction:
Stay away from streams, rivers, drainage ditches, and culverts, even
if they are currently dry.
Excessive runoff from heavy rainfall will cause flooding of drainage
ditches and streams, streets, highways, properties, and other low
lying spots.
Area Description:
Oahu in Honolulu, HI
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov