Negatives

• deadly
•  destructive natrual diaster
• destroy coastal areas

postives

• provides essential rain fall

• Most form between latitudes of 5 and 20 degrees over tropical oceans
• called typhoons in western Pacific
• called cyclones in Bay of Bengal and Arabian Sea
• requires speeds of 119 kph and a rotary circulation

• greatest wind speeds and heaviest rain fall occur

• center of the storm
• zone where rain ceases and winds subside
• warmest part of the storm

• late summer when ocean waters reached temp of 27 c or higher
• smaller tropical cyclones initiate the process

• smaller tropical cyclones initate a hurricane