National Weather Forecasting Centre of the India Meteorological Department (IMD) said that the Southwest monsoon seasonal (June to September) rainfall over the country as a whole is most likely to be normal (96 to 104 % of Long Period Average (LPA)).
Daily Current Affairs Quiz 2021
Quantitatively, the monsoon seasonal (June to September) rainfall over the country as a whole is likely to be 101% of the Long Period Average (LPA) with a model error of ± 4%.
The LPA of the season rainfall over the country as a whole for the period 1961-2010 is 88 cm.
The southwest monsoon seasonal (June to September) rainfall over the four homogeneous rainfall is most likely to be Normal over Northwest India (92-108%) and South Peninsula (93-107%).
Seasonal rainfall is most likely to be below normal over North east India (<95%) and above normal over Central India (>106%).
The southwest monsoon seasonal (June to September) rainfall over the monsoon core zone, which consists of most of the rainfed agriculture regions in the country is most likely to be Above Normal (>106% of LPA).
IMD maintains five rainfall distribution categories on an all-India scale which are –
- Excess: If the rainfall is more than 110 % of this LPA.
- Above Normal: If the rainfall is between 104 and 110 % of this LPA.
- Normal: If the rainfall is between 96 and 104 % of this LPA.
- Below Normal: If the rainfall is between 90 and 96 % of this LPA.
- Deficient: If the rainfall is less than 90 % of this LPA.
