Re: Confidence looks better
Posted by
JAC on 10/22/2010, 9:28 am
Gianmarc:
I have to agree with your comments that when ridging is strong, the major steering effect is how potential vorticity is advected between a TC and a ridge.
However, it is also true that the stronger it spins, the more a poleward force is exerted on a TC. This is an effect of the Coriolis force. The Corilois force is stronger on the polward side of a TC vs the equator side of a TC. This is called the beta effect.
In fact, the BAM suite takes into account both the PV advection effect and the Beta effect.
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