Cold front to impact Hawaiʻi from late Sunday through Tuesday, Flood Watch issued

The National Weather Service has issued a Flood Watch for all Hawaiian Islands from Sunday evening through Tuesday afternoon.

A cold front will move over the state from late Sunday through Tuesday, brining increasingly favorable conditions for the development of heavy rain and flash flooding. The heaviest rain is expected initially on Kauaʻi beginning late Sunday, then spreading down the island chain to the remaining islands on Monday.

The Maui Emergency Management Agency reports that deep tropical moisture is being drawn northward ahead of the approaching cold front and an upper disturbance will lead to an increasing threat of heavy rainfall through Tuesday. Strengthening southerly winds, periods of heavy rainfall that could lead to flash flooding, and thunderstorms will accompany this front as it moves through, according to MEMA.

As a precaution, the public is asked to monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.