Which part of Zhejiang does Hangzhou belong to in the weather forecast?

In the weather forecast program of the Central Meteorological Observatory, the weather in Hangzhou has several names.

First of all:

Hangzhou, Huzhou and Jiaxing in Zhejiang Province all reported the same meteorological conditions, collectively referred to as northern Zhejiang.

Second:

Jiaxing, Hangzhou, Shaoxing, Ningbo and Shanghai in Zhejiang Province are collectively called Hangzhou Bay Area.

Third:

Huzhou City, Jiaxing City, Shaoxing City, Jinhua City, Lishui City and Quzhou City in Zhejiang Province are collectively referred to as the eastern part of Jiangnan.

Under the same meteorological conditions in a large range, northern Jiangxi Province, western and northern Zhejiang Province, northern Hunan Province, southern Anhui Province, southeastern Hubei Province, southern Jiangsu Province and Shanghai can all be collectively referred to as the area south of the Yangtze River.

Ningbo, Zhoushan, Taizhou and Wenzhou in Zhejiang belong to the southeast coast.