warning tidal level

基本解释

Non - normal tide is a tidal phenomenon that occurs suddenly, lasts shortly, covers small area with much higher tidal level and gives little advanced warning.
“异常潮位”是指潮位大大高于当时正常潮位，潮汐时间没有明显提前规律的一种突发性潮汐现象。
Warning tidal level is the index of coastal water level, which issued for the preparation of the surge caused by typhoon when the coastal water level reaches the certain height.
防潮警戒水位是指沿海地区发生风暴潮，当地潮位达到某一潮高时，须开始警戒并防备潮灾发生的指标水位值。
It is suggested that when the data series for the new-built Yantian tidal station are long enough, the warning water level for storm-surge-prevention there should be checked and ratified again;
建议当新建盐田验潮站验潮资料序列足够长时，应重新核定所在岸段的防风暴潮警戒潮位值；

警戒水位
Based on the natural science, determination for the warning tidal level is involved with social and management science.
防潮警戒水位核定工作是一项以自然科学为基础并且广泛涉及社会和管理科学的技术课题。