Ivan Vortex, 940mb 123kt flt lvl winds in SE QUAD

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B-Bear
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#21 Postby B-Bear » Wed Sep 15, 2004 11:19 am

Did you miss the part of the NHC discussion that mentioned "fluctuations"?
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dennis1x1

#22 Postby dennis1x1 » Wed Sep 15, 2004 11:20 am

nope...but i do see the word weakening...

http://www.wunderground.com/tropical/at200409.disc.html

:lol:
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#23 Postby Hurricane Cheese » Wed Sep 15, 2004 11:22 am

So Dennis, I do assume you still expect Ivan to be a destructive Hurricane? I've heard you talk a lot about weakening, but haven't heard you talk a lot about what 125-135 mph winds will do. Perhaps all this weakening talk should include a reminder about just how strong it will indeed be!

Weren't Opal and Hugo between 125-135?
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dennis1x1

#24 Postby dennis1x1 » Wed Sep 15, 2004 11:24 am

well thats a bit off topic for this thread but of course....a 125-135 storm will be very bad....i dont believe ive ever said otherwise...

although i dont believe he will be 125-135 at landfall......115 is my target.....and yes...that will be bad too.
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#25 Postby B-Bear » Wed Sep 15, 2004 11:24 am

The hurricane is now passing
over a warm Gulf Eddy which could aid intensification
...although
data collected by a NOAA research aircraft yesterday suggest the
Eddy may not be as potent as previously thought using satellite
measurements
. The upper-level outflow pattern is well-established
north of the cyclone at the present time with no shear evident
. On
the other hand...there is considerable dry air in the west
semicircle that could still penetrate the core
...and the shear is
expected to increase near landfall. The bottom line is that I
expect some net weakening of Ivan prior to landfall...but still
expect it to make landfall as a major hurricane
.


Thankfully, by cherry-picking out of that entire discussion your one chosen point, you've confirmed what so many of us have suspected all along. You are more interested in stroking your forecasting ego than discussing actual events as they transpire. Our suspicions having been confirmed, we can now move on.
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Anonymous

#26 Postby Anonymous » Wed Sep 15, 2004 11:25 am

115 Dennis? Itll have to drop 20 mph to get that...come now.
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dennis1x1

#27 Postby dennis1x1 » Wed Sep 15, 2004 11:25 am

exactly the opposite.....my interest is much more in current observation than forecasting......specifically satellite analysis.
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#28 Postby Innotech » Wed Sep 15, 2004 11:26 am

things need to be put into perspective here. If Ivan had started out as a weak Cat 1, then suddenly blown up to Cat 3, it would be "bombing!!! going for Cat 5!!! Cat 5!!!" But no, it actually made it to Cat 5, and so even though its only weakenbed by 15 or so mph, people are shrugging off a still MAJOR CAT 4 hurricane as if its a weakling. Id hate for any of you to discover just how "weak" 135-140 mph winds are.
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dennis1x1

#29 Postby dennis1x1 » Wed Sep 15, 2004 11:27 am

115 Dennis? Itll have to drop 20 mph to get that...come now.



in reality it probably has to drop another 10 or 15 to get to 115.
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#30 Postby B-Bear » Wed Sep 15, 2004 12:45 pm

Dennis,

The NHC apparently didn't get your forecast, because they forgot to reduce his intensity at the latest advisory. Could you please send them your thoughts so they can get out the correct information on their next advisory?
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#31 Postby Hurricane Cheese » Wed Sep 15, 2004 12:48 pm

Maybe this is the reason the winds didn't drop!!!!

Image


Ivan is definetly holding its own. Notice the more symmetric pattern and clearer eye. Oh and don't forget the red convection!
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#32 Postby B-Bear » Wed Sep 15, 2004 12:50 pm

Nawwww. That's a raggedy old storm that's virtually falling apart. Probably won't be strong enough to blow out a candle by the time it makes landfall.
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dennis1x1

#33 Postby dennis1x1 » Wed Sep 15, 2004 1:12 pm

the sat pic has definitely improved in the last 2 hours......looks like an outer eyewall has been established.....and is improving.....the weakening trend has ended.
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caneman

#34 Postby caneman » Wed Sep 15, 2004 1:22 pm

dennis1x1 wrote:the sat pic has definitely improved in the last 2 hours......looks like an outer eyewall has been established.....and is improving.....the weakening trend has ended.


Oh ok Thanks for pointing that out. :roll:
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#35 Postby flashflood1998 » Wed Sep 15, 2004 1:24 pm

dennis, the weakening trend has ended? oh, good work! guess maybe the true mets were right all along? does this mean youre backing off the cat2 landfall baloney that you posted all over the board this morning?
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clueless newbie
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#36 Postby clueless newbie » Wed Sep 15, 2004 1:26 pm

dennis1x1 wrote:the sat pic has definitely improved in the last 2 hours......looks like an outer eyewall has been established.....and is improving.....the weakening trend has ended.

I think you were fooled by a small symmetric eye this morning - you thought the structure of the inner core was fine, just convection was not there.

The fact is that in the morning what you were seeing as an eye was just a clearing in the big 50nm eye Ivan had at that time. The actual structure of that eyewall was actually worse at 6AM then at 11AM.

Unfortunately, it seems like Ivan got his act together just in time to intensify before the landfall, or at least to stop his weakening. The good thing is, with the eye that huge, he is unlikely to intensify very rapidly. The bad thing is, with the eye that huge, he is unlikely to weaken rapidly, and the path of the destruction will be huge. The path of Charles destruction could easily fit into Ivan's eye.
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#37 Postby aumoore » Wed Sep 15, 2004 1:31 pm

pressure dropped to 937mb and winds are up again :(
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caneman

#38 Postby caneman » Wed Sep 15, 2004 1:33 pm

aumoore wrote:pressure dropped to 937mb and winds are up again :(


Wonds will go down it takes awhile for them to respond.
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#39 Postby Hurricane Cheese » Wed Sep 15, 2004 1:35 pm

The winds won't go DOWN!!

They'll at the LEAST stay the same if not increase back to 140+ mph by tonight...
Last edited by Hurricane Cheese on Wed Sep 15, 2004 1:42 pm, edited 1 time in total.
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#40 Postby Sanibel » Wed Sep 15, 2004 1:36 pm

Caneman: You mean "up".



BOOM
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