Flash Flood Warning Severe Hawaii | Effective 03-20-2026 02:39
Public safety alert, emergency alert, and weather alert
Description:
At 1139 PM HST, radar and rain gauges indicated heavy rain falling
over the northern half of Oahu. Rain was falling at a rate of 1 to 3
inches per hour. Flash flooding is ongoing potentially making
roadways impassable. Flooding conditions will rapidly worsen as
additional heavy rain continues to fall over the next hour. Oahu
Emergency Management officials are reporting streams and drainages
