今年第1号台风，生成！

Core Viewpoint - The article discusses the impact of Typhoon "Butterfly" on the South China Sea and surrounding regions, highlighting the expected weather conditions and safety measures for maritime activities. Group 1: Typhoon Development and Forecast - The Central Meteorological Observatory issued a blue alert for Typhoon "Butterfly," which formed on June 11 and is expected to strengthen as it approaches the southern coast of Hainan Island, with landfall anticipated between June 13 early morning and noon at strong tropical storm to typhoon level (10-12 scale, 25-33 m/s) [1] - After making landfall, the typhoon may re-strike the western Guangdong to Guangxi coastal areas on the night of June 13, with expected wind speeds of tropical storm to strong tropical storm level (8-10 scale, 20-25 m/s) [1] Group 2: Weather Conditions and Warnings - From June 11 at 14:00 to June 12 at 14:00, winds of 6-8 scale and gusts of 9-10 scale are expected in the South China Sea, with the typhoon's center potentially experiencing winds of 9-10 scale and gusts of 11-12 scale [3] - Significant rainfall is forecasted for Hainan and Guangdong, with some areas experiencing heavy to torrential rain, necessitating preparations for typhoon impacts [5] Group 3: Safety Measures and Precautions - The Guangdong Provincial Flood Control and Drought Relief Headquarters issued a notice requiring all fishing vessels in the Guangdong sea area to return to designated safe zones by June 11 at 12:00, and to prepare for safe harboring [7] - The National Ocean Forecasting Center issued a blue alert for waves, predicting 3 to 5 meters of large to giant waves in the South China Sea from the night of June 11 to noon on June 12, with coastal areas experiencing 2 to 3 meters of medium to large waves [8]