How can I access historical data?
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@meteo-gr
Thank for the help. But do you know a website where I can see a wind animation of the Chernobyl disaster?
The ones you've sent is the radioactivity that has spread all over Europe, but I would also like to get a map over the wind, such as Windy.com's design -
@flips
Here you can find some archived data.
http://www.wetterzentrale.de/reanalysis.php?map=1&model=noaa&var=3&jaar=1986&maand=04&dag=25&uur=1200&h=0&tr=360&nmaps=24#maprefNote: I sent you the "radioactivity animation" as it takes into account many wind fields (for many days and in many levels).
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What a pity！I would like to have accessed some historical data for my PowerPoint about meteorology. Well, I will still support Windy.
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@ivo
I need a data for the last year for my location, I need data for wind speed for every hour. where can I found it?
my location is Hengelo, Overijssel, Netherland.
Or can you send it to me?
this is my email jakob19888@gmail.com -
@jakob888
If you are interested in official data, you have to contact:
https://www.knmi.nl/over-het-knmi/how-to-contact-knmiAs I can see, nearby there is the Twenthe Airport.
At the airport (location indicator EHTW) there is a meteorological station
and (I believe) people there can provide you data needed.
Also you can search the internet for actual weather data for met. station
Twenthe Airport, EHTW in various sites
e.g. https://weatherspark.com/y/148062/Average-Weather-at-Twenthe-Airport-Netherlands-Year-RoundAlso, you can download the data from Twenthe Automatic Weather Station, here
http://www.meteomanz.com/sy5?l=1&ind=06290&m1=01&y1=2017 -
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@dgrubman Hello,I want it too.I am a taercher,I want to use it for teaching
This is my email
923199984@qq.com.
Thank you very much -
Could you give us an idea of how much space 1 month of data would take?
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软件总是连不上网络，借贵地请教一下。
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Re: storage. Access even to a very sub-sampled historical data would be useful as well!
If you have data at 1 degree resolution, that is roughly 360*180 points per globe. If you were to only keep 5 (7, 10) basic measurements (pressure, temperaturue, wind speed/direction, precipitation) at three different altitudes (0, 850hPa, 500hPa), it gives you: 360 * 180 * 5 * 3 * 4 (bytes per float32), which is about 4MB per measurement. Sample it every 3 hours over a year, and that would be 8GB/year. Go to 0.5 degree resolution, and that's 32GB/year. That still can fit on my laptop. And I think grib files actually use less than 4 bytes per point.
I was also frustrated with the lack of any ways to access historical data. So I'm actually planning to download a bunch of grib files from public GFS server, select only relevant timepoints/layers, and save them for viewing in existing grib viewers (or publish them somewhere). It is still a lot of work, probably a week of coding for me, and however many days/weeks to download the data. I may actually do this project at some point.
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Is it possible to view data less than 24 hours ago?
I assumed this was possible, but there is a reset at 00:00. -
@bartbv I found out, this is possible by changing your computers local time.
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@ivo Historical data is very important to some researchers and users
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down with surfline hail the new king. WINDYTV.com
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At some point we should talk. I might be able to help. Dr. Duncan. Send me your email if you'd like to...
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thanks understand ,
I am working on finding a sustainable shipping solution by harnessing wind energy on ships and for which i need to understand the wind patterns /speed along the Indian Peninsular . If there is an paid subscription for historical view or any other arrangements possible , please do let me know .
Brgds
RK7 -
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@gkikas-lgpz
thank you ,
I would like to have historical wind patterns say Jan ,Feb so on to December so as to understand how it blows from where and how strong .Brgds
RK7
