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Weather Extremes South Asia Weather Patterns Weather types that are all ocean-based wind currents that are just called different terms based on region ”tropical cyclone" (the Indian Ocean) "hurricane" (the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, or the South Pacific Ocean east of 160E) "typhoon" (the Northwest Pacific Ocean west of the dateline) Extreme Types of Weather Monsoon Cyclone Earthquakes Tsunami Floods Monsoons Distinct seasonal change of wind direction South Asia has summer and winter monsoons Summer monsoon: wind system that blows from the southwest across Indian Ocean Rain and floods Winter monsoons: Wind system that blows from the northeast across the Himalayas Dry Cyclones Weather types that are all ocean-based wind currents that are just called different terms based on region ”tropical cyclone" (the Indian Ocean) Part of summer monsoon season Destroy farmland and wipe out villages Tsunamis Triggered by intense underwater earthquake Large, fast moving ocean waves cause by underwater disturbance Waves slow down in shallow water, causing a rapid rise in water levels Physical Impact of Extreme Weather Rains are critical to the agriculture of the region Nourish rain forests, irrigate crops, produce floodwaters Droughts come with winter monsoons Lush landscapes become arid wastelands quickly Economic Impact of Extreme Weather Floods and droughts ruin crops Many mouths to feed- Sometimes South Asia must resort to buying food for the citizens Loss of shelter and families Sometimes families are too poor to rebuild their home Foreign aid helps, but also burdens countries with debt