Weather Maps & Fronts. Refers to the state of the atmosphere at a specific time and place. Influenced by pressure systems (high and low) and fronts. Describes conditions such as air pressure, wind, temperature, and the amount of moisture in the air.
and the amount of moisture in the air.
When air is heated, it becomes less dense
As air cools, it becomes more dense
Lines that connect points of equal atmospheric pressure.
Isobars close together mean high wind.
Isobars far apart mean light wind.
Isotherms (iso – same, therm – heat)
Lines that connect locations of equal temperature.