Afghanistan
damaging earthquakes occur in Hindu Kush mountains;
flooding; droughts
Albania
destructive earthquakes; tsunamis occur along southwestern
coast; floods; drought
Algeria
mountainous areas subject to severe earthquakes; mudslides
and floods in rainy season
American Samoa
typhoons common from December to March
Andorra
avalanches
Angola
locally heavy rainfall causes periodic flooding on the plateau
Anguilla
frequent hurricanes and other tropical storms (July to
October)
Antarctica
katabatic (gravity-driven) winds blow coastward from the
high interior; frequent blizzards form near the foot of the plateau;
cyclonic storms form over the ocean and move clockwise along the
coast; volcanism on Deception Island and isolated areas of West
Antarctica; other seismic activity rare and weak; large icebergs may
calve from ice shelf
Antigua and Barbuda
hurricanes and tropical storms (July to
October); periodic droughts
Arctic Ocean
ice islands occasionally break away from northern
Ellesmere Island; icebergs calved from glaciers in western Greenland
and extreme northeastern Canada; permafrost in islands; virtually
ice locked from October to June; ships subject to superstructure
icing from October to May