negro
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
Solomon Islands
typhoons, but rarely destructive; geologically
active region with frequent earth tremors; volcanic activity
Somalia
recurring droughts; frequent dust storms over eastern plains
in summer; floods during rainy season
South Africa
prolonged droughts
South Georgia and the South Sandwich Islands
the South Sandwich
Islands have prevailing weather conditions that generally make them
difficult to approach by ship; they are also subject to active
volcanism
Southern Ocean
huge icebergs with drafts up to several hundred
meters; smaller bergs and iceberg fragments; sea ice (generally 0.5
to 1 meter thick) with sometimes dynamic short-term variations and
with large annual and interannual variations; deep continental shelf
floored by glacial deposits varying widely over short distances;
high winds and large waves much of the year; ship icing, especially
May-October; most of region is remote from sources of search and
rescue
Spain
periodic droughts
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
Tajikistan
earthquakes and floods
Tanzania
flooding on the central plateau during the rainy season;
drought
Thailand
land subsidence in Bangkok area resulting from the
depletion of the water table; droughts
Togo
hot, dry harmattan wind can reduce visibility in north during
winter; periodic droughts
Tokelau
lies in Pacific typhoon belt
Tonga
cyclones (October to April); earthqu
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