Cold Fronts and Warm Fronts 2016533728762299155

28ตรงๆ เข้าจริงไม่ต้องพูดเยอะ จดไว้เลยงวดนี้ 1/04/62 แนวทางสลากกินแบ่งรัฐบาล

Just today, one of my students asked me to post some information about fronts. Meteorology is such a large subject, it is sometimes difficult to know where to begin learning. For this post, I am going to concentrate on "Frontology" - the study of weather fronts. As helicopter pilots, we are very aware of what an important role weather plays on the safety and comfort of our flights...
from: http://ezinearticles.com/?Cold-Fronts-and-Warm-Fronts&id=6423708