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If the Cat changes to a 3 or 4, do the wind fields shrink?
Like right now, hurricane force winds extend to 100 mi. mol; so if it's a Cat 3 at landfall, how far do hurricane winds extend? Is there a formula?
Thax. Susie
Generally, they will expand, at least for a while. Energy cannot be created or destroyed. If the winds in the center decrease, that extra energy has to go somewhere, so the wind fields often expand. Frances did this. This is often compared to an ice skater who brings his/her arms in to spin faster, spreads them out to slow down.
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Re: Sustaining Cat 5?