本周杭州多阵雨雷雨天气

Group 1 - The official start of the hottest period in China, known as "Sanfu," has begun, lasting for 30 days this year, breaking the recent trend of 40-day durations [1] - The duration of "Sanfu" is determined by the timing of the "Geng" day, with no direct correlation to temperature levels [1] - Southern cities, particularly Chongqing and Hangzhou, typically experience the highest number of hot days during "Sanfu" [2] Group 2 - Typhoon "Wipha" has intensified and is expected to make landfall in Guangdong, with wind speeds reaching 38-42 meters per second [4] - Despite the typhoon's strength, it is not expected to have a direct impact on Hangzhou, which may benefit from increased moisture leading to localized rain and even rainbows [4] - Following "Wipha," Typhoon "Fengsgao" is anticipated to follow, indicating an active period for tropical systems [5]