Guinea-Bissau:
hot, dry, dusty harmattan haze may reduce visibility
during dry season; brush fires
Guyana:
flash floods are a constant threat during rainy seasons
Haiti:
lies in the middle of the hurricane belt and subject to
severe storms from June to October; occasional flooding and
earthquakes; periodic droughts
Heard Island and McDonald Islands:
Heard Island is dominated by a
dormant volcano called Big Ben
Holy See (Vatican City):
NA
Honduras:
frequent, but generally mild, earthquakes; damaging
hurricanes and floods along Caribbean coast
Hong Kong:
occasional typhoons
Howland Island:
the narrow fringing reef surrounding the island can
be a maritime hazard
Iceland:
earthquakes and volcanic activity
India:
droughts, flash floods, severe thunderstorms common;
earthquakes