Headline:
Flash Flood Warning issued March 20 at 12:55PM HST until March 20 at 4:00PM HST by NWS Honolulu HI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
March 20, 2026 - 3:55pm
Expires:
March 20, 2026 - 7:00pm
Description:
FFWHFO
The National Weather Service in Honolulu has extended the
* Flash Flood Warning for...
The island of Oahu in Honolulu County
* Until 400 PM HST.
* At 1255 PM HST, radar indicated heavy rain continuing to move over
east Oahu. Rain was generally falling at a rate of 1 to 2 inches
per hour. Due to elevated stream levels, lingering rain, and the
potential for additional heavy showers moving in, the warning will
be extended.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
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...
Honolulu, Waipio, Moanalua, Halawa, Salt Lake, Aiea, Kalihi, Pearl
City, Ahuimanu, Iroquois Point, Manoa, Kahaluu, Kaneohe, Waiahole,
Waipahu, Waikele, Palolo, Maunawili, Waikane and Ewa Beach.
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