#HonoluluCounty
The north shore of #Oahu received more than a foot of rain overnight, causing intense flooding. The National Weather Service issued a #FlashFloodEmergency for #HonoluluCounty, due to an imminent dam collapse. Evacuations are underway in Waialua and Hale'iwa.
March 20, 2026 at 8:32 PM
#NWS-Honolulu has issued a #FlashFloodWarning due to #DamFailure on the #KaukonahuaStream below #WahiawaDam on #Oahu in #HonoluluCounty until 1:15 PM HST.

Nearest areas downstream from the dam are #Waialua & #Haleiwa.

forecast.weather.gov/product.php?...
#HI #Hawaii #EM #greysky
National Weather Service
forecast.weather.gov
March 20, 2026 at 7:04 PM