Headline:
Flash Flood Warning issued March 20 at 10:37AM HST until March 20 at 1:00PM HST by NWS Honolulu HI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
March 20, 2026 - 1:37pm
Expires:
March 20, 2026 - 4:00pm
Description:
FFWHFO
The National Weather Service in Honolulu has issued a
* Flash Flood Warning for...
The island of Oahu in Honolulu County
* Until 100 PM HST.
* At 1037 AM HST, radar indicated heavy rain continuing to move over
east Oahu. Rain was falling at a rate of 1 to 2.5 inches per hour.
Flash flooding is ongoing, especially in and around Honolulu, with
flowing water on roadways and stalled vehicles.
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