How many days is the latest notice of Cangzhou early warning

The latest notice of Cangzhou early warning is 15 days. According to the relevant public information, the latest notice of Cangzhou early warning is revised to 15 days, and the early warning information includes weather forecast and geological disaster warning. Early warning refers to the act of sending an emergency signal to the relevant departments to report the dangerous situation according to the laws summarized in the past or possible precursors observed before disasters or disasters and other dangers that need to be guarded against, so as to avoid disasters without knowing or preparing adequately and minimize the losses caused by disasters.