San Marino
NA
Sao Tome and Principe
NA
Saudi Arabia
frequent sand and dust storms
Senegal
lowlands seasonally flooded; periodic droughts
Serbia and Montenegro
destructive earthquakes
Seychelles
lies outside the cyclone belt, so severe storms are rare;
short droughts possible
Sierra Leone
dry, sand-laden harmattan winds blow from the Sahara
(December to February); sandstorms, dust storms
Singapore
NA
Slovakia
NA
Slovenia
flooding and earthquakes