Spratly Islands
typhoons; serious maritime hazard because of
numerous reefs and shoals
Sri Lanka
occasional cyclones and tornadoes
Sudan
dust storms and periodic persistent droughts
Suriname
NA
Svalbard
ice floes often block the entrance to Bellsund (a transit
point for coal export) on the west coast and occasionally make parts
of the northeastern coast inaccessible to maritime traffic
Swaziland
drought
Sweden
ice floes in the surrounding waters, especially in the Gulf
of Bothnia, can interfere with maritime traffic
Switzerland
avalanches, landslides, flash floods
Syria
dust storms, sandstorms
Taiwan
earthquakes and typhoons