#Environment
■ IMD: Second warmest November since 1901 -
✅This warming trend has continued since the post-monsoon season in October, and could contribute to making 2024 the warmest year ever on record, globally.
● Highlights:
✅The India Meteorological Department (IMD) has declared November 2024 as the second warmest in 123 years, continuing a post-monsoon warming trend that could contribute to making 2024 the warmest year on record globally.
Key Temperature Highlights
● Maximum Temperatures:
✅Average monthly maximum temperature: 29.37°C (0.62°C above normal).
● Minimum Temperatures:
✅Average monthly minimum temperature: 16.91°C (1.05°C above normal).
Factors Behind Warmer November
● Weak Western Disturbances:
✅Western disturbances, typically bringing rainfall or snow to northwest India, crossed at higher latitudes.
✅This resulted in minimal precipitation across plains and less cooling in northern India.
● Lack of Cyclonic Disturbances:
✅Only two low-pressure systems formed in the Bay of Bengal, of which only one intensified into Cyclone Fengal.
✅Historically, November is favorable for cyclonic activity, which was notably absent this year.
● Rainfall Deficit:
✅Northwest India: 2.4mm rainfall, a deficit of 79.9% from normal.
✅Southern Peninsular India: Deficit of 37.9% due to weak northeast monsoon conditions.
Long-Term Trends and Concerns
● Declining November Rainfall:
✅IMD data (2001–2024) reveals that November rainfall has been normal or above normal in only six out of 24 years.
✅Decline in precipitation linked to weaker western disturbances and lower cyclonic activity.
● Global Warming Contribution:
✅The consistent rise in temperatures post-monsoon aligns with global warming trends, exacerbating the risk of extreme weather events and climate irregularities.
Implications for India
● Agricultural Impacts:
✅Warmer temperatures and reduced rainfall affect winter crops, especially in rainfed areas dependent on post-monsoon precipitation.
● Water Resource Challenges:
✅Reduced rainfall strains reservoirs, impacting drinking water supplies and hydropower generation in affected regions.
● Climatic Patterns:
✅Declining rainfall and rising temperatures emphasize the need for adaptive measures to address evolving climate challenges.
✅Prelims Takeaways
✅Cyclone Fengal
✅India Meteorological Department (IMD)
SOURCE - INDIAN EXPRESS
■ IMD: Second warmest November since 1901 -
✅This warming trend has continued since the post-monsoon season in October, and could contribute to making 2024 the warmest year ever on record, globally.
● Highlights:
✅The India Meteorological Department (IMD) has declared November 2024 as the second warmest in 123 years, continuing a post-monsoon warming trend that could contribute to making 2024 the warmest year on record globally.
Key Temperature Highlights
● Maximum Temperatures:
✅Average monthly maximum temperature: 29.37°C (0.62°C above normal).
● Minimum Temperatures:
✅Average monthly minimum temperature: 16.91°C (1.05°C above normal).
Factors Behind Warmer November
● Weak Western Disturbances:
✅Western disturbances, typically bringing rainfall or snow to northwest India, crossed at higher latitudes.
✅This resulted in minimal precipitation across plains and less cooling in northern India.
● Lack of Cyclonic Disturbances:
✅Only two low-pressure systems formed in the Bay of Bengal, of which only one intensified into Cyclone Fengal.
✅Historically, November is favorable for cyclonic activity, which was notably absent this year.
● Rainfall Deficit:
✅Northwest India: 2.4mm rainfall, a deficit of 79.9% from normal.
✅Southern Peninsular India: Deficit of 37.9% due to weak northeast monsoon conditions.
Long-Term Trends and Concerns
● Declining November Rainfall:
✅IMD data (2001–2024) reveals that November rainfall has been normal or above normal in only six out of 24 years.
✅Decline in precipitation linked to weaker western disturbances and lower cyclonic activity.
● Global Warming Contribution:
✅The consistent rise in temperatures post-monsoon aligns with global warming trends, exacerbating the risk of extreme weather events and climate irregularities.
Implications for India
● Agricultural Impacts:
✅Warmer temperatures and reduced rainfall affect winter crops, especially in rainfed areas dependent on post-monsoon precipitation.
● Water Resource Challenges:
✅Reduced rainfall strains reservoirs, impacting drinking water supplies and hydropower generation in affected regions.
● Climatic Patterns:
✅Declining rainfall and rising temperatures emphasize the need for adaptive measures to address evolving climate challenges.
✅Prelims Takeaways
✅Cyclone Fengal
✅India Meteorological Department (IMD)
SOURCE - INDIAN EXPRESS