Re: Track more than one storms

Hello,

This has been forwarded to ' wrfhelp@ucar.edu '

Good luck

On 6/30/10 1:43 PM, Paula Doubrawa Moreira wrote:
> Hello all,
>
> I'm modifying this storm track example
> (http://www.ncl.ucar.edu/Applications/Scripts/WRF_track_1.ncl) to plot
> some storm trajectories.
>
> However, there are *3 storms* that I want to track in my domain, and the
> functions used in this script only identify 1 minimum in sea level
> pressure for each time record. So what I get is a funky trajectory for
> first storm in the first time records - which is fine. Then another
> storm enters the domain and is deeper than the former, so the script
> stops tracking that one and starts tracking the new one. And it doesn't
> recognize a 3rd storm that shows up on the last time records because it
> is not as deep as the 2nd one.
>
> I'd like my script to identify and track all these 3 minima: the first
> one since the first time record; the first and second starting on an x
> record where the 2nd shows up and; all 3 when the final one gets in the
> picture. Is there a way of assigning an "x" value to be like a threshold
> for determining what are my minima centers? And is there a way to track
> these minima at the same time?
>
> I have tried local_min and local_min_1d functions to get more than 1 min
> at each time but I'm getting errors and I'm not sure this is the right
> procedure.
>
> Can anyone give any tips?
>
> --
> Paula Doubrawa Moreira
>
> Graduate Student - Research Assistant
> International Arctic Research Center
> University of Alaska Fairbanks
>
>
>
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Received on Wed Jun 30 15:19:38 2010