1. Reversal of seasonal winds.
2. The movement northward from winter to summer of the huge upper level subtropical high pressure system, specifically known as the Bermuda High, and
the intense heating of the Mohave Desert creates rising air and surface low pressure, called a thermal low.
3. Brings rain for dry, warm in region months. Decrease in thunderstorms.
4.Causes great temperature changes over dry or tropical places. The moist air moving onto the dry land becomes unstable and develops into thunderstrorms.
5. Four days of heavy rainfall at the end of the monsoon season. The sudden rains, coming after a severe drought, deluged villages and caused widespread disruption in the states of Andhra Pradesh and Karnataka. Floodwaters are now thought to be receding, officials said, but reports have also indicated that crops are ruined, thousands of cattle dead, and hundreds of thousands of homes destroyed.
6. Depending on the region you live in monsoons can be good or bad. If the region you live has common monsoons they can be bad by causing a lot of rainfall which can cause floods.