广东今起逐步降温，降幅达6-10℃！台风趋向海南以东海面

Group 1 - The core point of the article is the impact of Typhoon "Fengshen" and a moderate cold air mass on the weather in Guangdong, leading to a temperature drop of approximately 6-10°C from October 19 to 22 [1][3][4] Group 2 - Typhoon "Fengshen" is currently located about 420 kilometers southeast of Manila, Philippines, with maximum wind speeds of 18 meters per second and a minimum central pressure of 998 hPa [3] - The typhoon is expected to move northwest at a speed of 25-30 kilometers per hour, gradually intensifying to a typhoon level (around level 12) [3] - Weather forecasts indicate that from October 19 to 22, temperatures in northern Guangdong will drop to 15-20°C, while southern coastal areas will see temperatures between 24-26°C [3][4]