Nationwide rainfall 42% below average, says IMD, Pg8

Key Highlights:

• The Southwest Monsoon has advanced into parts of Maharashtra, Telangana, remaining areas of Karnataka, Chhattisgarh, Bihar, and the central Arabian Sea.
• As of June 21, the country's overall rainfall is in the 'deficient' category, standing at 42% below average.
• The Indian Meteorological Department (IMD) confirmed this progress and the national rainfall deficit.
• Northeast and Eastern India are predicted to experience very heavy showers over the next two to three days.

SW Monsoon.png

Detailed Insights:

• The last recorded advancement of the Southwest Monsoon occurred on June 15, covering regions along Eastern India.
• The Northern Limit of Monsoon (NLM) currently extends through key cities including Alibaug, Pune, Nizamabad, Dantewada, Balangir, Sundargarh, Chatra, Gaya, and Muzaffarpur.
• Pune and Gaya are facing substantial rainfall deficits this season, both reporting 87% below normal.
• The onset of the monsoon in Gaya has been delayed by more than a week compared to its usual schedule.
• Mumbai is anticipated to receive monsoon rains within the next 48 hours.

Key Concepts Involved:

• Southwest Monsoon: The primary rainy season in India, occurring from June to September, responsible for 70-75% of the country's annual rainfall.
• Indian Meteorological Department (IMD): The national agency responsible for meteorological observations, weather forecasting, and seismology in India.
• Rainfall Deficit: A situation where the actual rainfall is significantly less than the Long Period Average (LPA), with 19-59% below LPA classified as 'deficient'.
• Northern Limit of Monsoon (NLM): The imaginary line indicating the northernmost extent of the Southwest Monsoon on any given day.