Headline:
Flash Flood Warning issued March 20 at 1:53AM HST until March 20 at 5:00AM HST by NWS Honolulu HI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
March 20, 2026 - 4:53am
Expires:
March 20, 2026 - 8:00am
Description:
FFWHFO
The National Weather Service in Honolulu has extended the
* Flash Flood Warning for...
The island of Oahu in Honolulu County
* Until 500 AM HST.
* At 153 AM HST, emergency management reported heavy rain and
widespread flooding across northern Oahu this morning. Currently,
there is no road access in or out of Haleiwa due to high flood
waters. Although rainfall rates have decreased over the area,
runoff, high water levels and flash flooding impacts continue.
HAZARD...Heavy rain producing life threatening flash flooding.
SOURCE...Emergency management.
IMPACT...Flooding in drainages, streams, rivers, roads,
properties, and other low-lying areas. Public road
closures possible in some areas. Landslides are
possible in steep terrain.
* Some locations that will experience flash flooding include...
northern half of Oahu, along and north of a line from Waianae
Valley to Mililani Mauka to Waiahole.
Instruction:
Stay away from streams, rivers, drainage ditches, and culverts, even
if they are currently dry.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
The heavy rains may cause rock and mudslides in steep terrain areas.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 5:00 AM HST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 5:00 AM HST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description:
Oahu in Honolulu, HI
Forcast Office:
NWS Honolulu HI
Sender: