Saint Martin
subject to hurricanes from July to November

Saint Pierre and Miquelon
persistent fog throughout the year can be
a maritime hazard

Saint Vincent and the Grenadines
hurricanes; Soufriere volcano on
the island of Saint Vincent is a constant threat

Samoa
occasional typhoons; active volcanism
volcanism: Savai'I Island (elev. 1,858 m, 6,096 ft), which last
erupted in 1911, is historically active

San Marino
NA

Sao Tome and Principe
NA

Saudi Arabia
frequent sand and dust storms
volcanism: Despite Saudi Arabia's many volcanic formations, there
has been little activity in the past few centuries; volcanoes
include Harrat Rahat, Harrat Khaybar, Harrat Lunayyir, and Jabal Yar

Senegal
lowlands seasonally flooded; periodic droughts

Serbia
destructive earthquakes

Seychelles
lies outside the cyclone belt, so severe storms are rare;
short droughts possible