Vol. 11, Issue 12 (2022)

Author(s):
Kumari MBGS, Chitkala Devi T, Raju K, Ramanamurthy KV, Bharathlakshmi M and Aliveni A

Abstract:
The medium range weather forecast on rainfall for seven agricultural sub divisions of Visakhapatnam district (Plain mandals) received from National Centre for Medium Range Weather Forecasting (NCMRWF), India Meteorological Department, Pune for five days for the year 2021-22 was verified with daily observed weather data for respective days collected from Chief Planning Office, Visakhapatnam district to study the prediction success of rainfall. The analysis of the data indicated that the success of rainfall forecast ranged between 42.4% to 68.5% for rain and 74.7% to 85.3% for No rain events. Whereas, for South West monsoon period the prediction success ranged between 58.8% to 80.0% and 21.4% to 53.3% for forecast on rain and no rain respectively in the different agricultural sub divisions of Visakhapatnam district.