Strong storms causing Highs to get stronger?

[PTPatrick]

I remember something last year when Ivan was a strong storm about cat 4's and 5's actually somehow enhance the High pressure to their north causing the highs to follow the storm or something and more them more west...am I crazy...well, actually, I know I am...but does this statement sound crazy?

[deltadog03]

no, dosn't sound crazy

[LAwxrgal]

I asked this same question (or similar) in another thread. I wondered if the really strong canes tend to "create their own environment?"

The reason I'm wondering about this is because I think the forecast models are having trouble dealing with the strength and/or weakness of the ridge. IMO this is the key factor in deciding where Dennis will/will not go.

[rsdoug1981]

A hurricane can build the outer periphery of a high pressure ridge. When a hurricane creates outflow, it is basically spitting out air into the upper atmosphere all around it. If you add this air to even more air (a high pressure system is a huge mass of tightly packed air molecules), the end result is higher air pressure...thus a stronger high pressure ridge. I hope this makes sense.

[Derecho]

Yes, there is SOMEWHAT of a "Making their own environment" effect for STRONG (Cat 4/5) storms where they reinforce a ridge ahead of them, thus running a bit south of the Models at times.

However, it's horribly overused and exaggerated on weather boards and chats.

However, this ends up having no effect at all on a strong deep layer trough; they'll turn a storm north no matter HOW strong it is. Where it matters is in ambigous steering situations where slight differences matter.

If Dennis was moving the same direction right now but was transposed to, say, just northeast of the Bahamas, you'd be hearing MUCH more about the whole "creating its own environment" thing as people would be using it to wishcast the storm due westwards into Florida.

For Northern Carib and GOM storms it's rarely mentioned as people are trying to turn the storm to the N to hit Florida.

[Ixolib]

If Dennis was moving the same direction right now but was transposed to, say, just northeast of the Bahamas, you'd be hearing MUCH more about the whole "creating its own environment" thing as people would be using it to wishcast the storm due westwards into Florida.

For Northern Carib and GOM storms it's rarely mentioned as people are trying to turn the storm to the N to hit Florida.