280-285 change in movement

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Vortex
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280-285 change in movement

#1 Postby Vortex » Fri Sep 12, 2003 2:02 pm

as indicated by most models the northerly component to a wnw or 280-285 is underway and should persist until the system is in the vicinity of 25.0N/68W.
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#2 Postby JCT777 » Fri Sep 12, 2003 2:05 pm

Thanks, Vortex. Verrrrry interesting.
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Anonymous

#3 Postby Anonymous » Fri Sep 12, 2003 2:08 pm

still moving due west to me, that was just a wobble.
Last edited by Anonymous on Fri Sep 12, 2003 2:09 pm, edited 1 time in total.
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chris_fit
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#4 Postby chris_fit » Fri Sep 12, 2003 2:09 pm

Looks like just a wobble to the north to me, take a look at the last two frames.

~Chris
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#5 Postby Dean4Storms » Fri Sep 12, 2003 3:16 pm

Way to soon to call it a direction change. An intense Hurricane going this slow is very likely to wobble. You need at least 6 hrs of a continued motion to call it a direction change.
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#6 Postby cycloneye » Fri Sep 12, 2003 3:19 pm

Agree Dean I say 6-12 hours to see a true movement.
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#7 Postby Biloxi » Fri Sep 12, 2003 3:22 pm

Agree with giving some time to see if true change - imo its just a wobble.
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Yes a wobble

#8 Postby Stormcenter » Fri Sep 12, 2003 3:26 pm

Yes unfortunately it was just a wobble. If we could just get her to start moving more northerly sooner the U.S. could be spared.
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#9 Postby WeatherEmperor » Fri Sep 12, 2003 3:30 pm

Yeah looked to be a bobble but a little bigger one then previously. it is going back to due west now.
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#10 Postby floydchaser » Fri Sep 12, 2003 3:42 pm

Keep in mind that these wobbles will conitnue to occur. Large and powerful hurricanes like this will do that. It has to do with angular momentum and a compensation of Coriolis. Storm moves poleward, other forces act to balance it, resulting in the opposite poleward movement. What happens looks like a sine wave, but the true motion is the average.
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#11 Postby MWatkins » Fri Sep 12, 2003 3:55 pm

floydchaser wrote:Keep in mind that these wobbles will conitnue to occur. Large and powerful hurricanes like this will do that. It has to do with angular momentum and a compensation of Coriolis. Storm moves poleward, other forces act to balance it, resulting in the opposite poleward movement. What happens looks like a sine wave, but the true motion is the average.


Great explination...that's exactly right and I'm not sure Isy has moved off of 270 just yet. The cdo is just cutting the top of the eye on the south side in 2015Z image. This happened yesterday and was followed by a wobble to the south.

MW
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