A waterspout is seen from the German NGO Sea-Eye migrant rescue ship 'Alan Kurdi' as it waits for further instructions after rescuing Tunisian migrants, in international waters off Malta in the central Mediterranean Sea, September 4, 2019. REUTERS/Darrin Zammit Lupi 

A waterspout is formed during a storm in the Mediterranean Sea, October 1, 2018. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY 

A waterspout is formed during a storm in the Mediterranean Sea, October 1, 2018. REUTERS/Alkis Konstantinidis 

A mattress is left drying in the sun after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Madeline Barban, 39 (R), talks to relatives in front of her damaged house after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Madeline Barban, 39, shows her damaged house after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Madeline Barban, 39, shows her damaged house after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Madeline Barban, 39, talks to relatives (not pictured) from the doorstep of her damaged house after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Yeni Hernandez, 4, plays near the water from where waterspouts are said to have entered the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Toy horses used in a playground are seen at the seafront after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Elba Hernandez, 38, sits beside the remains of her restaurant after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini

Retired Adolfo Lopez, 66, talks to neighbours (not pictured), as he checks the remains of his house after the passage of waterspouts at the beach town of Playa Caimito in Cuba, July 4, 2016. REUTERS/Alexandre Meneghini TPX IMAGES OF THE DAY

A watersprout in the sea is pictured near Bitung, in the Indonesia's north Sulawesi province, May 12, 2009. REUTERS/Yusuf Ahmad (INDONESIA ENVIRONMENT SOCIETY) 

A man looks at a watersprout in the sea near Bitung, in the Indonesia's north Sulawesi province, May 12, 2009. REUTERS/Yusuf Ahmad (INDONESIA ENVIRONMENT SOCIETY)