Botswana
periodic droughts; seasonal August winds blow from the
west, carrying sand and dust across the country, which can obscure
visibility
Bouvet Island
NA
Brazil
recurring droughts in northeast; floods and occasional frost
in south
British Indian Ocean Territory
NA
British Virgin Islands
hurricanes and tropical storms (July to
October)
Brunei
typhoons, earthquakes, and severe flooding are rare
Bulgaria
earthquakes, landslides
Burkina Faso
recurring droughts
Burma
destructive earthquakes and cyclones; flooding and landslides
common during rainy season (June to September); periodic droughts
Burundi
flooding, landslides, drought