What is the accuracy of weather forecast in the next fifteen days?

At present, the accuracy of our weather forecast is over 80%. Of course, this is a 24-hour forecast, and it is conceivable that the forecast for the next half month is very low. I have spent nearly 30 years on this matter, and my general idea is to resolutely give up the current general method-that is, to study the atmosphere with poor memory function as usual and take the road of astronomy, because I think the power of atmospheric change comes from the different positions of the planets on the sun, and only by understanding the law of this power and its relationship with sunny days and rainy days can we really provide it for mankind. This is why I think we must find a long-term weather forecast method from astronomy. I feel good about myself at present! And for other reasons, I have studied the southern hemisphere opposite to our season for nearly a year, and I feel good about myself.

At present, I am sorting out and perfecting my research results, and strive to serve the motherland construction and people's lives as soon as possible. Jiang is a native of Jinhua City, Zhejiang Province.