WEATHER ALERT: Flash Flood Warning for Oahu in Honolulu County, HI

BULLETIN – EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Honolulu HI
213 PM HST Fri Mar 13 2026

The National Weather Service in Honolulu has extended the

* Flash Flood Warning for…
The island of Oahu in Honolulu County

* Until 630 PM HST.

* At 213 PM HST, radar indicated heavy rain over Oahu. Rain was
falling at a rate of 1 to 3 inches per hour. Significant rises
have been observed on area streams including Waiahole Stream,
Manoa Palolo Drainage Canal, Makaha Stream, and the Kaukonahua
Stream at Waialua. Water is inundating Otake Camp which is now
being evacuated due to additional water coming over the spillway.

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.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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.

&&

This warning may need to be extended beyond 630 PM HST if flooding
persists.

LAT…LON 2125 15769 2125 15772 2127 15773 2124 15782
2130 15790 2129 15811 2136 15815 2148 15824
2153 15825 2158 15829 2160 15813 2169 15805
2173 15798 2155 15783 2147 15783 2143 15779
2147 15779 2147 15772 2141 15773 2131 15764

FLASH FLOOD…OBSERVED
FLASH FLOOD DAMAGE THREAT…CONSIDERABLE

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