Portuguese military sent rescue teams of the island Madeira, where at least 32 people are known dead in the shower.
Tons of mud and stones were brought down the slopes of the island, flooding the streets of the regional center, Funchal, and other cities.
Fear death toll could rise. Water, electricity and telephones were cut in some areas.
Jose Socrates, who is in Madeira, said he "do everything to help."
Regional officials said Francisco Ramos público Portuguese newspaper: "So far we have confirmed 32 deaths, but ultimately could raise."
Portuguese Navy ship with helicopters and medical equipment, went to Madeira - located about 900 kilometers (560miles) from the mainland Portuguese and popular among foreign tourists.
Junk left Funchal from floods
Pictures: After the Flood Madeira Britons told to stay inside Your photos
According to officials sent emergency teams include additional military rescuers with 56 dogs and 36 firefighters searched.
Interior Minister Roy Pereira, who also flew to the island, said forensic experts will conduct an autopsy to funeral will take place in the near future.
He added: "We are studying the possibility of declaring a state of emergency, and then sought the assistance of the European Union."
Funchal was among the most flood affected areas on Saturday collapse.
Television pictures showed weekly mud flowed narrow pipes to flooded roads and water, and streets covered with debris.
"Ghost Town"
The trees were destroyed and cars swept away, blocking roads and hitting assistance teams. Some bridges and roads were washed out.
Madeira FACTS Map Autonomous region of Portugal with a population of about 250000 Lying slightly more 480km (300 miles) from the West Coast of Africa Continent of Europe is more than 900 miles
British Holiday BBC said Kathy Sayers Funchal was like a ghost town. She said that the infrastructure destroyed.
