You are watching the weather forecast and the weatherman says that strong thunderstorms and possible tornadoes are likely to form in your area. Which explanation about pressure systems below would the weatherman likely use to explain the severe weather forecast?




a
Low pressure systems are associated with cold air or moisture rich air.
b
High pressure systems are associated with cold air or moisture rich air.
c
High pressure systems are associated with warm air or dry air.
d
Low pressure systems are associated with warm air or dry air.