pilot_kenny
7th Oct 2008, 05:56
Hi can I ask two questions here~?~ Thanks! :o)
1, Gradient Wind: non-geostrophic winds which blow parallel to isobars (http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/grad.rxml)
In nouthern hemisphere, Why is it cyclonic for a L (anticlockwise) and anti for a H (clockwise)?
I saw in my book that it's because Coriolis foce > Pressure Gradient Force for a H --> clockwise and vice versa for a L
but in the above website, it also mentions centrifugal force (and in fact I dont understand the website much either :bored:), what's the actual story?
2, what's wave/frontal depression? I've tried to understand from my book and search in the net, but failed to understand it well~
Thanks again! :ok:
1, Gradient Wind: non-geostrophic winds which blow parallel to isobars (http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/grad.rxml)
In nouthern hemisphere, Why is it cyclonic for a L (anticlockwise) and anti for a H (clockwise)?
I saw in my book that it's because Coriolis foce > Pressure Gradient Force for a H --> clockwise and vice versa for a L
but in the above website, it also mentions centrifugal force (and in fact I dont understand the website much either :bored:), what's the actual story?
2, what's wave/frontal depression? I've tried to understand from my book and search in the net, but failed to understand it well~
Thanks again! :ok: