word | | Natural hazards |
| Hindu | Afghanistan | damaging earthquakes occur in Hindu Kush mountains; flooding; droughts |
| hot | Benin | hot, dry, dusty harmattan wind may affect north from December to March |
| hot | Central African Republic | hot, dry, dusty harmattan winds affect northern areas; floods are common |
| hot | Chad | hot, dry, dusty harmattan winds occur in north; periodic droughts; locust plagues |
| hot | Egypt | periodic droughts; frequent earthquakes, flash floods, landslides; hot, driving windstorm called khamsin occurs in spring; dust storms, sandstorms |
| hot | Guinea | hot, dry, dusty harmattan haze may reduce visibility during dry season |
| hot | Guinea-Bissau | hot, dry, dusty harmattan haze may reduce visibility during dry season; brush fires |
| hot | Libya | hot, dry, dust-laden ghibli is a southern wind lasting one to four days in spring and fall; dust storms, sandstorms |
| hot | Mali | hot, dust-laden harmattan haze common during dry seasons; recurring droughts; occasional Niger River flooding |
| hot | Mauritania | hot, dry, dust/sand-laden sirocco wind blows primarily in March and April; periodic droughts |
| hot | Togo | hot, dry harmattan wind can reduce visibility in north during winter; periodic droughts |
| hot | 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 |
| hours | French Southern and Antarctic Lands | ... to periodic cyclones; Bassas da India is a maritime hazard since it is under water for a period of three hours prior to and following the high tide and surrounded by reefs |
| houses | Kuwait | ... cloudbursts 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 ... |
| Howland | United States Pacific Island Wildlife Refuges | Baker, Howland, and Jarvis Islands: the narrow fringing reef surrounding the island can be a maritime hazard Kingman Reef: wet or awash most of the time, maximum elevation of less than 2 ... |
| huge | 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 ... |
| hundred | 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 ... |
| hurricane | Aruba | hurricanes; lies outside the Caribbean hurricane belt and is rarely threatened |
| hurricane | Cuba | the east coast is subject to hurricanes from August to November (in general, the country averages about one hurricane every other year); droughts are common |
| hurricane | Dominican Republic | lies in the middle of the hurricane belt and subject to severe storms from June to October; occasional flooding; periodic droughts |
| hurricane | Grenada | lies on edge of hurricane belt; hurricane season lasts from June to November |
| hurricane | Haiti | lies in the middle of the hurricane belt and subject to severe storms from June to October; occasional flooding and earthquakes; periodic droughts |
| hurricane | Netherlands Antilles | Sint Maarten, Saba, and Sint Eustatius are subject to hurricanes from July to October; Curacao and Bonaire are south of Caribbean hurricane belt and are rarely threatened |
| hurricanes | Anguilla | frequent hurricanes and other tropical storms (July to October) |
| hurricanes | Antigua and Barbuda | hurricanes and tropical storms (July to October); periodic droughts |
| hurricanes | Aruba | hurricanes; lies outside the Caribbean hurricane belt and is rarely threatened |