word | | Natural hazards |
| San | Argentina | San Miguel de Tucuman and Mendoza areas in the Andes subject to earthquakes; pamperos are violent windstorms that can strike the pampas and northeast; heavy flooding |
| sand | Botswana | periodic droughts; seasonal August winds blow from the west, carrying sand and dust across the country, which can obscure visibility |
| sand | Mauritania | hot, dry, dust/sand-laden sirocco wind blows primarily in March and April; periodic droughts |
| sand | Saudi Arabia | frequent sand and dust storms |
| sand | Sierra Leone | dry, sand-laden harmattan winds blow from the Sahara (December to February); sandstorms, dust storms |
| sand | United Arab Emirates | frequent sand and dust storms |
| sand | Western Sahara | hot, dry, dust/sand-laden sirocco wind can occur during winter and spring; widespread harmattan haze exists 60% of time, often severely restricting visibility |
| sandstorms | Egypt | periodic droughts; frequent earthquakes, flash floods, landslides; hot, driving windstorm called khamsin occurs in spring; dust storms, sandstorms |
| sandstorms | Iran | periodic droughts, floods; dust storms, sandstorms; earthquakes |
| sandstorms | Iraq | dust storms, sandstorms, floods |
| sandstorms | Israel | sandstorms may occur during spring and summer; droughts; periodic earthquakes |
| sandstorms | Kuwait | ... are common from October to April and bring heavy rain, which can damage roads and houses; sandstorms and dust storms occur throughout the year but are most common between March and August |
| sandstorms | Lebanon | dust storms, sandstorms |
| sandstorms | Libya | hot, dry, dust-laden ghibli is a southern wind lasting one to four days in spring and fall; dust storms, sandstorms |
| sandstorms | Oman | summer winds often raise large sandstorms and dust storms in interior; periodic droughts |
| sandstorms | Qatar | haze, dust storms, sandstorms common |
| sandstorms | Sierra Leone | dry, sand-laden harmattan winds blow from the Sahara (December to February); sandstorms, dust storms |
| sandstorms | Syria | dust storms, sandstorms |
| sandstorms | Yemen | sandstorms and dust storms in summer |
| Sandwich | 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 |
| sea | Belgium | flooding is a threat along rivers and in areas of reclaimed coastal land, protected from the sea by concrete dikes |
| sea | Denmark | ... a threat in some areas of the country (e.g., parts of Jutland, along the southern coast of the island of Lolland) that are protected from the sea by a system of dikes |
| sea | Kiribati | typhoons can occur any time, but usually November to March; occasional tornadoes; low level of some of the islands make them sensitive to changes in sea level |
| sea | Maldives | low level of islands makes them sensitive to sea level rise |
| sea | 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 ... |
| Sea | Turkey | severe earthquakes, especially in northern Turkey, along an arc extending from the Sea of Marmara to Lake Van |
| sea | Tuvalu | severe tropical storms are usually rare, but, in 1997, there were three cyclones; low level of islands make them sensitive to changes in sea level |
| search | Southern Ocean | ... 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 |