Air Mass, Global Winds and Types of Rainfall in Mexico

Air masses in Mexico: In the northern parts of Mexico is the continental tropical air mass while the lower western and eastern sides have maritime tropical air mass.
Global winds: Mexico has rising warm moist air and north-easterly trade winds.
Types of rain;
            Conventional rain : Occurs through out Mexico especially during summer since solar radiation and ground heating is at a maximum. This happens almost all year round in southern Mexico in the Intertropical zone.
              Orographic rain fall: North-east trade winds blow moist clouds from the Gulf of Mexico towards the southern Sierra Madre and Chiapas High lands. The east side of the mountains slope in Central Veracruz, eastern Oaxaca and parts of Chiapas have 150 days of clouds and 2000 mm of rain every year. While the western slopes of the mountains have only 90 days of clouds and rain. Tenango, Oaxaca is the rainiest place in Mexico with 5000 mm per year.
             Frontal rain: this only occurs in some parts of Mexico.