今明两天，琼岛北部和西部地区有暴雨到大暴雨、局地特大暴雨

Core Viewpoint - The article highlights the severe weather conditions expected in Hainan province due to Typhoon "Wipha," with warnings of heavy rain, strong winds, and increased risks of natural disasters such as storm surges and geological hazards [2][3]. Weather Impact and Safety Measures - Hainan province is forecasted to experience heavy to extremely heavy rainfall, particularly in the northern and western regions, from July 21 to 22 [2]. - The public is advised to monitor the "Hainan Early Warning Information Release" public account for updates on typhoon, rain, ocean, mountain flood, geological disaster, and urban flooding warnings [2]. - Tourists are specifically warned to avoid coastal activities and dangerous areas, including near the coastline, embankments, and mountainous roads [2][3]. Precautionary Actions for Residents - Residents in areas prone to mountain floods, geological hazards, and near rivers or reservoirs should stay alert to rainfall and warning information, ensuring communication lines remain open [3]. - Immediate evacuation to safe areas is recommended if signs of flooding or geological instability are observed, such as water accumulation around homes or abnormal river levels [3]. - It is advised to refrain from swimming or engaging in recreational activities near reservoirs and riverbanks during this period [3].