an interfere with maritime traffic

Switzerland:
avalanches, landslides, flash floods

Syria:
dust storms, sandstorms

Tajikistan:
NA

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); earthquakes and volcanic
activity on Fonuafo'ou

Trinidad and Tobago:
outside usual path of hurricanes and other
tropical storms

Tromelin Island:
NA

Tunisia:
NA

Turkey:
very severe earthquakes, especially in northern Turkey,
along an arc extending from the Sea of Marmara to Lake Van

Turkmenistan:
NA

Turks and Caicos Islands:
frequent hurricanes

Tuvalu:
severe tropical storms are usually rare, but, in 1997, there
were three cyclones; low level of islands make them very sensitive
to changes in sea level

Uganda:
NA

Ukraine:
NA

United Arab Emirates:
frequent sand and dust storms

United Kingdom:
NA

United States:
tsunamis, volcanoes, and earthquake activity around
Pacific Basin; hurricanes along the Atlantic and Gulf of Mexico
coasts; tornadoes in the midwest and southeast; mud slides in
California; forest fires in the west; flooding; permafrost in
northern Alaska, a major impediment to development

Uruguay:
seasonally high winds (the pampero is a chilly and
occasional violent wind which blows north from the Argentine
pampas), droughts, floods; because of the absence of mountains,
which act as weather barriers, all locations are particularly
vulnerable to rapid changes in weather fronts

Uzbekistan:
NA

Vanuatu:
tropical cyclones or typhoons (January to April); volcanism
causes minor earthquakes

Venezuela:
subject to floods, rockslides, mudslides; periodic
droughts

Vietnam:
occasional typhoons (May to January) with extensive flooding

Virgin Islands:
several hurricanes in recent years; frequent and
severe droughts and floods; occasional earthquakes

Wake Island:
occasional typhoons

Wallis and Futuna:
NA

West Bank:
droughts

Western Sahara:
hot, dry, dust/sand-laden sirocco wind can occur
during winter and spring; widespread harmattan haze exists 60% of
time, often