Can anybody clarify LWD properly, How to see, How does it affect?
A line across which there is an abrupt change in wind direction…..
Westerlies wind and easterlies winds are meeting point…. Due to this instability forms and v r getting rains…
Upper Air Circulation:
Yes. Circulation as we all know is an area of low pressure. Winds spiral into them from areas with higher pressure. They key point to note in a circulation is the fact that wind flows into it from all the sides because it is isobars are spread evenly and in a circular pattern. They are barotropic
Upper Air Trough:
Troughs dip only in one direction, like a hyperbola or a parabola. The axis of symmetry is more or less the axis of the trough. But, there won’t be a circulation pattern in all sides. Suppose there’s a low to the north, there will be a hyperbola like structure dipping south. The isobars will be semi-circular or hyperbolical and it will spread in one direction. The area near the axis will see convergence and thunderstorms if moisture is found
Trough Diagram dip
Refer this link for everything related to thunderstorm
Does an ACC Give Rains??
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