中国气象局近日发布7月全国气候特征。[1]全国平均降水量达123.0毫米,较常年同期的121.7毫米偏多1.1%,南方暴雨强、落区重叠。[1]华北雨季于7月10日开始,较常年7月18日偏早8天。[1]河北迁西、辽宁沈阳等15个北方国家级气象站日降水量突破历史极值。[1]
极端气温与台风活动
7月全国平均气温23.5℃,较常年同期偏高1.3℃,为历史同期第二高。[1]新疆艾丁湖景区站最高气温达50.2℃,是今年首个出现50℃以上的国家级气象站。[1]四川高温日数14.1天、重庆22.7天,均为历史同期最多。[1]
7月西北太平洋和南海海域有5个台风生成,其中3个登陆我国,均较常年同期偏多。[1]首个登陆台风"美莎克"于7月3日在海南陵水县登陆。[1]9号台风"巴威"是1949年以来7月登陆浙江的最强台风,12号台风"红霞"为今年以来登陆我国的最强台风。[1]
7月发生4次区域性强对流天气过程,覆盖全国22个省(自治区、直辖市)。[1]7月6日湖北等地出现龙卷,其中两个达到强龙卷等级(相当于EF3级)。[1]
The China Meteorological Administration released its climate summary for July, revealing significant weather patterns across the country.[1] National average precipitation reached 123.0 millimeters in July, representing a 1.1% increase compared to the historical average of 121.7 millimeters for the same period.[1] The rainy season in North China began on July 10, arriving eight days earlier than the typical start date of July 18.[1] Fifteen national-level meteorological stations in northern regions, including Qianxi in Hebei Province and Shenyang in Liaoning Province, recorded daily precipitation that broke historical records.[1]
Tropical cyclone activity intensified during the month.[1] Five typhoons formed over the Northwest Pacific Ocean and South China Sea, with three making landfall in China—figures both exceeding the historical average of 3.8 formations and 1.8 landfalls respectively.[1] Typhoon Maysak, the first to strike, made landfall in Lingshui County, Hainan Province on July 3.[1] Typhoon Bavi, the ninth storm of the season, became the strongest typhoon to land in Zhejiang Province during July since 1949.[1] Typhoon Hinnamnor, the twelfth of the season, emerged as the strongest typhoon to make landfall in China throughout the year to date.[1]
Heat persisted across the nation with notable intensity.[1] The national average temperature reached 23.5 degrees Celsius in July, 1.3 degrees above the historical average and marking the second-highest on record for the same period.[1] Aydingkol scenic area in Xinjiang recorded a peak temperature of 50.2 degrees Celsius, becoming the first national-level weather station to exceed 50 degrees in 2024.[1] Sichuan Province and Chongqing Municipality experienced record-breaking high-temperature days for the season, with 14.1 and 22.7 days respectively.[1] Four rounds of severe convective weather events swept across 22 provinces, autonomous regions, and municipalities, with two tornadoes on July 6 in Hubei reaching strong tornado classification equivalent to EF3 level.[1]