Humanitarian aid is urgently needed in Solomon Islands where more than 22,000 people are estimated to have either had their homes or crops destroyed by extreme weather.
The Solomons has been afflicted by heavy rain and strong winds for the last two weeks, which have caused rivers to bust their banks and sweep through villages on the main islands of Malaita and Guadalcanal.
The flash flooding has contaminated drinking water and destroyed food gardens.
Director of the Disaster Management Office, Loti Yates, said food supplies and health and sanitation packs were needed as the risk of water and mosquito borne diseases was rising.
Eighty percent of those affected are subsistence farmers living in rural areas, Mr Yates said
But the flooding will also affect people living in the capital, Honiara, he said.
"The Guadalcanal plains is the food basket of Honiara," Mr Yates said.
"When you look at the amount of water running through, and it has been inundated for 5 or 6 days in most cases, you will know that root crops, vegetables and everything that usually gets trucked into Honiara markets will be very less now."