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 m 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; numerous reefs and shoals pose a serious
maritime hazard

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