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pseabury
Tourist


Reged: 04/14/05
Posts: 241
Live Tropical Data & NHC Forecast Models - SrcCode
      #51227 - 07/24/05 05:24 PM

View in Google Earth (21381 downloads)


Update :
Quote:

Also, I've already used a couple of gigs of bandwidth this month....I have plenty to go around, but would rather folks update their links to the KMZ from the KML as the KML accounts for about 60% of my bandwidth. I've seen an issue where some versions of the client doesn't like the KMZ (no subfolders show up), but if your's works with KMZ please switch. Again, the data in both is identical, KMZ is just compressed.

Link to KMZ

<a href="" target="_blank">Link to KML Removed</a>



This link kind of goes along with some of my previous work in this thread . I've written an app that pulls the lastest forecast tracks and predicted strength for tropical named storms (Depression, Storm, Hurricane) from the National Hurricane Center, and then writes the kml that represents the data. This link isn't as dynamic as I'd like, as the NHC only puts out a new forecast every 6 hrs or so, but it's the best I could do so far. It should be pretty cool to look at when we have a few storms roaring. I've also not tested it exhaustively, so my app may break if it encounters data outside the format that I expect. I would guess that I may run into 1 or 2 of these as the format that they provide isn't optimal for parsing. I wish they'd just put out a comma-separated list, but I guess beggars can't be choosers. The app is designed to fail gracefully though, so should it fail to write new output for some reason, the last good data should be available until the problem gets fixed.

The only thing I ask is that you not hammer my server by setting it to update every 1 second or whatever for two reasons. First, the link itself is not from home (actually on a decent server), but I'd still rather not drive up my bandwidth usage. Second, the data will only update every 6 hrs or so, so the 10 minute default refresh should do just fine. Enjoy.

[EDIT] - Forgot the screenshot. Just as I was taking the screenshot, NHC added Franklin back into the data. Kinda cool that it worked as planned.

[EDIT] - Fixed the link to the network link in the original post. Sorry about that!



Paul

Edited by pseabury (08/27/06 07:18 PM)

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troxy18
Tourist


Reged: 06/30/05
Posts: 137
Re: NHC Track Forecast Models [Re: pseabury]
      #51274 - 07/24/05 06:31 PM

Good use of information, looks pretty neat if you include a cloud overlay underneath or weather radar to make it look better. Like this

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pseabury
Tourist


Reged: 04/14/05
Posts: 241
Re: NHC Track Forecast Models [Re: troxy18]
      #51283 - 07/24/05 06:40 PM

Definitely Troxy. I think I could integrate boatloads of other tropical data along with the forecast tracks. I'm not sure I want to force that on everyone or bloat the kml with it though. Depends on the response I guess. If that's what people want, I can surely do it fairly easily. I guess the layers that a user doesn't want can be turned off by them eh? I think you just talked me into it...now lets see how much time I have after work this week....might have to wait until the weekend for the "Tropical Portfolio".

Paul

--------------------
There are 10 kinds of people in this world...

those that understand binary, and those that don't.


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troxy18
Tourist


Reged: 06/30/05
Posts: 137
Re: NHC Track Forecast Models [Re: pseabury]
      #51293 - 07/24/05 06:53 PM

Or you could post a link to the original posting for the sat weather image I used that way people could see how different layers and overlays in google earth work together. Just think of the possibilities

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3Dsolar
Tourist


Reged: 07/18/05
Posts: 43
Loc: UK & France
Re: NHC Track Forecast Models [Re: pseabury]
      #51628 - 07/25/05 06:56 AM

very good job !!

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Mike_in_Florida
Storm Chaser


Reged: 07/25/05
Posts: 970
Loc: Florida, USA
Re: NHC Track Forecast Models [Re: pseabury]
      #51770 - 07/25/05 09:44 AM

Sounds great! Living in Florida this is very useful!
Thanks for working on it...

--------------------


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pseabury
Tourist


Reged: 04/14/05
Posts: 241
Re: NHC Track Forecast Models [Re: Mike_in_Florida]
      #51821 - 07/25/05 10:48 AM

No problem, I enjoy doing this sort of stuff. I'll likely keep improving it, but since it's a network link, that should be transparent to those using it.

--------------------
There are 10 kinds of people in this world...

those that understand binary, and those that don't.


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SoFlaChris
Tourist


Reged: 07/04/05
Posts: 20
Loc: Boynton Beach, FL
Re: NHC Track Forecast Models [Re: pseabury]
      #52059 - 07/25/05 03:20 PM

Very slick... Thanks for taking the time to share this! Any chance that the model source name could be added to each run? (GFDL, BAMD. etc?)

TIA,
Chris

Edited by SoFlaChris (07/25/05 03:27 PM)


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pseabury
Tourist


Reged: 04/14/05
Posts: 241
Re: NHC Track Forecast Models [Re: SoFlaChris]
      #52212 - 07/25/05 06:06 PM

Currently that info IS in the data. You can expand "NHC Models" entry on your places menu and there will be a folder for each storm in the current report. You can then expand each storm's folder and see that each model has its own folder as well. Also, single clicking on a point in the track lines will bring up the info for that particular point, Including the model name. Single Clicking on the white point (the last real, not forecast, location) will bring up the raw Initial Conditions report for that storm.

Right now I'm currently working on adding a Sea Surface Temperature (SST) overlay from the raw satellite data. I'm taking the .25x.25 degree points from the GRIB (Gridded Binary) files, converting the raw data to a temperature C, and then creating an image from it. It's a lot of work, but I can control how it's drawn with a lot more granularity. I'll add this to the network feed once it's done and stable.

Regards,

Paul

Edited by pseabury (07/25/05 06:09 PM)


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TheSHAD0W
Explorer


Reged: 07/05/05
Posts: 177
Re: NHC Track Forecast Models [Re: pseabury]
      #52214 - 07/25/05 06:09 PM

View in Google Earth (655 downloads)


If you do decide to integrate an overlay, I've attached the one I'd recommend you use. Maybe you should produce two versions, one that includes an overlay and one that doesn't.

I'd also like to suggest (at least with this overlay) you increase the line width to make things easier to see.


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