User talk:Supportstorm

Welcome to Wikimedia Commons, Supportstorm!

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Archives 1, 2, 3

Hi @Supportstorm:

As written above: thanks a lot for your track maps!

From some months (years) I'm trying to find data for european storms tracks.

These days, I've seen you are able to track Kirk further than the NHC data file can provide.

Here is my question:

• where do you find best-track data for Kirk (even after transition from Kirk to ex-Kirk)?

Here are my wishes, my own future actions:

• to be able to generate storm-tracks, including european parts of:

• ex-Zeta (2020) / Zeta 2020-10-29
• ex-Lorenzo (2019) / Lorenzo 2019-09-23
• ex-Leslie (2018) / Leslie 2018-09-23
• ex-Helene (2018) / Helene 2018-09-07

So, I need a source of data, with best tracks for these ex-hurricanes

• Moreover, optionnaly, to be able to generate tracks, for european-only storms.

Note: I'm aware of WPTC as I've downloaded/compiled/tested map generation: it's OK!

Yours, En rouge (talk) 23:27, 12 October 2024 (UTC)[reply]

Thank you for the kind words. Unfortunately there's no easy way of extracting data for European wind storms. All the storms you listed (except Kirk) should have a best track from the NHC. If the storm kept a closed circulation as an extratropical system the NHC should have tracked it, if not it's a separate system. For any other storm that was not tropical, they were usually tracked on weather charts. So, to extract information from these archived weather charts you will need to reproject the map on to a coordinate system to reliably extract center location and pressures. There are a few methods for this but the easiest is to use OpenCPN and the plugin Weatherfax. This program allows you to either use internet sources in real-time or fit a map from a local image. It has bit of a learning curve so you will need to experiment to find the right settings for a map. Otherwise, there are no best track files except for the work NCDC and NMC did for Storm Data back in the 60s through 90s and the work David Roth has done maintaining a sort of best track database, both of which or more North America focused even though there is some overlap with Europe. Supportstorm (talk) 13:37, 17 October 2024 (UTC)[reply]

Hi @Supportstorm:

Thanks for your response and tools names.

Thanks for your information you're using maps rather than data file.

Data sources was my priority question.

So here are map sources I know:

• German ULB/DWD analysis's maps, but:
  • (--) one day time resolution
  • (-) not great precision for lat/lon map values (due to projection)
  • (--) not great precision for depression lat/lon values (only isobars, no drawn center)
  • (++) history of past files, directly with appropriate URL
• English MetOffice analysis's maps, but:
  • (--) one day time resolution
  • (-) no great precision for lat/lon map values (due to projection, but lower resolution than German's one)
  • (-) no great precision for depression lat/lon values (but a drawn tick => better than German's one above)
  • (+) history of past files, but not easy to access (must be done manually at this time)
• Spanish AEMet analysis's maps, but:
  • (--) one day time resolution
  • (-) not great precision for lat/lon map values (due to projection)
  • (--) not great precision for depression lat/lon values (only isobars, no drawn center)
  • (--) history of past files, but only for last 3-4 days

So,

• are you manually pointing the storm position (when out of track provided by NHC)?
• can I have information about maps's sources you use?

as I can see, MetOffice' maps are the most appropriate I've found:

• do you have some script to retrieve maps from UK MetOffice?

Thanks for your support,

yours, En rouge (talk) 21:30, 22 October 2024 (UTC)[reply]

Hi @Supportstorm i would like to know you removed Borders and Line's like on File:Tsbret2005.jpg 216.147.122.243 00:11, 13 October 2024 (UTC)[reply]

I simply stretched the vertical and horizontal pixels next to the lines to cover the grid lol. I would not recommend you do the same and instead find the original satellite file or other higher quality source if you want a border and gridless image. Supportstorm (talk) 13:42, 17 October 2024 (UTC)[reply]

I'd like to know where you were able to access the NCDC TD-9616 dataset, as I've been unable to find it online. I saw you used it in tracks like File:Superstorm 1993 track.png. Presidentofyes12 (talk) 08:24, 19 October 2024 (UTC)[reply]

Hey @Supportstorm I recently viewed the Tornadoes of 2024 article and saw how it was last changed a few days ago on the 22nd with a couple of new notable EF3 tornadoes tallying it up from the last edit I could remember of 32 to 36. Really amazing job that you keep track on these tornadoes time to time.

But I'd like to let you know that you've missed to tally one extra such tornado. Quite a while ago there has been a tornado near Robert Lee, TX in Coke County on May 3rd that was re-rated from EF1 to EF3. Not a huge deal but it adds one extra to the tally and make the total of such rated tornadoes to 37 as of writing this.

Source: https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=PNSSJT&e=202408301604 31.201.235.186 18:06, 25 October 2024 (UTC)[reply]

Yeah I did miss that change, same with the Lincoln, NE tornado split. Thank you pointing that out and I've gone ahead and corrected the file. With Hurricane Helene taking down NCEI for a month, I am still using preliminary data for most of May-July until I can get caught back up. Supportstorm (talk) 01:09, 26 October 2024 (UTC)[reply]