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Download method of European Meteorological Center data (ERA)

2022-07-20 19:00:00 【A-Chin】

List of articles

1 Get into ERA website
2 land
3 Select data type

1 Get into ERA website

ERA website ：http://apps.ecmwf.int/datasets/
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2 land

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3 Select data type

Go back to the home page , General choice ERA-Interim (Jan 1979 - present) , This is a ERA A set of newly developed materials , The data is complete , The update speed is also very fast . Of course, if you have other needs, you can also look at other data types . such as ERA-40 (Sep 1957 - Aug 2002) , This advantage is the heavy variety of data 1957 Year begins , But only until 2002 year . And there are not as many data variables as the former , The accuracy is not as high as the former , So it is suggested to use the former . Get into ERA-Interim (Jan 1979 - present) The interface is as follows ：
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3.1 Click on the top left Type of level, ERA Interim Fields

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3.2 ERA Interim Fields

ERA Interim Fields Choose... According to your own needs ,daily There are four times a day （ Time is universal time ）.

3.2.1 Type of level -> pressure levels

Type of level choose pressure levels( Multi tier data , Like the wind , Pressure , Temperature etc. ）,Surface levels（ Surface variable , There are quite a few variables , Including commonly used MSLP,SST etc. ）.
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3.2.2 Type of level -> Surface levels and daily

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step=0 It's real-time data , The latter should be all forecast data , I understand it according to the explanation of his website , If anyone has different opinions , Welcome to correct .

3.2.3 Type of level -> pressure levels and daily

You can check the level you need , Variables and time .（ Be careful not to choose too many at a time , Otherwise, the following data cannot be generated , The data generated at one time should be less than 2G）
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3.3 Select the data format and download

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Then enter the following interface ,Area: The default is global , Other options for you to see .Grid It's quite advanced , The highest accuracy is 0.25*0.25

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After selecting, click retrieve now

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The running time is proportional to the size of the selected data , Finally, the following interface appears , Click on download,（ Remember not to use download tools such as Xunlei ）

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