A man walks in a flooded area, after a storm, in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 30 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/TELAM)

An automobile remains stranded in a flooded area, after a storm, in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 30 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/TELAM)

Automobiles remain stranded in a flooded area, after a storm, in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 30 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/TELAM)

A person tries to get into a car stranded in a flooded area, after a storm, in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 30 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/TELAM)

Automobiles remain stranded in a flooded area, after a storm, in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 30 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/TELAM)

Two girls are evacuated at a flooded area after a storm, in Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

A local resident is evacuated at a flooded area after a storm, in Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

A young man stands on the roof of a house in a flooded area after a storm, in neighborhood Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

Local residents are evacuated at a flooded area after a storm, in Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

Local residents are evacuated at a flooded area after a storm, in Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

Residets walk through a flooded area after a storm, in Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

Two residents walk through a flooded area after a storm, in Tolosa, La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated. (Xinhua/TELAM)

A man walks in flood in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/Martin Zabala)

Citizens walk in flood in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/Martin Zabala)

A car is turned over by flood in La Plata, 63 km south of Buenos Aires, Argentina, on April 3, 2013. At least 46 people have died due to heavy storms in La Plata, and another 3,000 have been evacuated, according to local media. (Xinhua/Martin Zabala)