Greece
severe earthquakes
Greenland
continuous permafrost over northern two-thirds of the
island
Grenada
lies on edge of hurricane belt; hurricane season lasts from
June to November
Guadeloupe
hurricanes (June to October); Soufriere de Guadeloupe is
an active volcano
Guam
frequent squalls during rainy season; relatively rare, but
potentially very destructive typhoons (June - December)
Guatemala
numerous volcanoes in mountains, with occasional violent
earthquakes; Caribbean coast extremely susceptible to hurricanes and
other tropical storms
Guernsey
NA
Guinea
hot, dry, dusty harmattan haze may reduce visibility during
dry season
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