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  • Height field and anomaly field
    Year From Month Day End Month Day
    LAT/LON Projection: Latitude(-90~90)FromTo Longitude(0~360)FromTo
    Northern polar projection
    (The color shadow area is the anomaly field, the contour line is the average field, and the thick red line in the 500hPa circulation field is the 588 line of the climate average)



Illustrate:
The data used are NCEP daily atmospheric circulation data, latitude and longitude 2.5°*2.5°, and the climate field data are from LTM data provided by NCEP from 1981 to 2010.

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