नदी का वह जलस्तर जिस पर चेतावनी अथवा नदी की पूर्व भविष्यवाणी करना आवश्यक हो जाये जिससे बाढ़ से होने वाली हानि तथा असुविधा की रोकथाम की जा सके।
The river stage at which it is necessary to begin issuing warnings of river forecasts to enable adequate precautionary measures to be taken to avoid damage or inconvenience due to flooding.
The river stage at which it is necessary to begin issuing warnings of river forecasts to enable adequate precautionary measures to be taken to avoid damage or inconvenience due to flooding.
