Margie
(Senior Storm Chaser)
Wed Sep 21 2005 08:55 PM
Re: Category 5 Hurricane Rtia Moves Westward in the Gulf

The movement is not sustained to the NW. It is stairstepping, so over the most recent time period movement has been to the WNW overall at about 290deg.

Zoon in on wv loop & run.

Between 17:45Z and 20:15Z, movement to 305deg.
Between 20:15Z and 22:45Z, movement to 270deg.
Next frame, to 23:15Z, movement to 300deg.

So we can't draw the conclusion the overall movement is NW. At the most, if this trend continues, it will be WNW. However overall movement may still be west, or about 270-275deg, over a longer period of time. NHC has been extremely accurate with landfall predictions. They have been so accurate that they've only had to make minor adjustments over time for most of the tracks.


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