danielw
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| (Moderator) |
| Sat Oct 15 2005 10:31 PM |
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Re: wilma on the way
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If you want to look at the vorticity output. You will have to select the "upper air" section of the particular model that you are using.
It is possible to have a vortice (spin) at the surface and not at higher level...example: tropical depression or wave. It's also possible to have an elevated vortice that may or may not develop a surface reflection.
Similar to a Funnel Cloud and a Tornado. The funnel cloud is elevated and the Tornado is on the ground. By NWS definitions.