Carrigallen in county Leitrim is one of the worst hit areas in the region with over 2,000 customers without power.

People are urged to drive with care, with warnings that trees or power lines already weakened by Storm Isha could be blown down by Jocelyn.

Boyle, Ballaghaderreen and Arigna are some of the worst-affected areas where thousands of customers are still waiting for power to return.

ESB Networks is warning it could be a number of days before power is fully restored to all households.

A tornado watch has also been issued for Ireland, with potential for funnel clouds to develop during thunderstorms.

ESB crews are working to restore electricity to homes and businesses this evening.

The ESB say they are working to restore power to the majority of homes by this afternoon.

Nationally, Storm Debi has resulted in at least 100-thousand houses, farms and businesses without electricity at some point over the past 24 hours.