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In a climate update, the India Meteorological Department (IMD) announced that 2023 marked the country's second-warmest year in the past 122 years. This revelation comes on the heels of the warmest year, 2016, as recorded during this period. As global temperatures continue to surge, IMD officials shed light on the concerning rise in the annual mean surface air temperature, urging a closer look at the implications of this climatic shift.
Temperature Trends:
According to IMD officials, the annual mean surface air temperature averaged over the country in 2023 was 0.65 degrees Celsius (1981-2010 period). While this is notably lower than the record set in 2016 at 0.71 degrees Celsius, the consistent upward trend raises alarms. Globally, 2023 is poised to break all previous temperature records, accentuated by the El Nino phenomenon-a climatic condition associated with elevated temperatures and extremes. Months such as February, July, August, September, November, and December witnessed temperatures surpassing the normal ranges, indicative of an overarching warming trend.
Rainfall Patterns:
Shifting the focus to rainfall, December emerged as an exceptionally wet month for the country, with an overall 25.5mm-60 percent above the normal levels. However, the northern and northwestern states experienced a departure from this trend. During the October to December post-monsoon period, the southern peninsular India recorded 98.5mm, ranking as the tenth highest since 1901. The Northeast monsoon season, officially concluding in December, exhibited well-distributed rainfall across the region, receiving nearly 30 percent of its annual rainfall during this period. Mrutyunjay Mohapatra, director general of IMD, attributed the heightened rainfall in eastern, northeastern, and southern peninsular India to the influence of cyclone Michaung.
Temperature Rise Over the Century:
IMD's insights into temperature trends over the past century reveal an alarming reality. The maximum temperature in the country has witnessed a consistent rise at a rate of 1.01 degrees Celsius, while minimum temperatures have surged at a rate of 0.31 degrees Celsius. Seasonally, the October to February months demonstrated a significantly higher warming trend over the past century. The post-monsoon period (October to December) experienced a rise of 1 degree Celsius, and the winter season (January to February) demonstrated an increase of 0.83 degrees Celsius since 1901.
Concerns and Implications:
As India grapples with the aftermath of the second-warmest year, the implications for ecosystems, agriculture, and communities become more pronounced. The accelerated warming trend underscores the urgent need for climate mitigation and adaptation measures. Experts emphasize the importance of collective efforts to address the root causes of climate change and minimize its impact on the planet and its inhabitants.
The IMD's comprehensive report on India's climate trends in 2023 signals a critical juncture in our planet's climatic narrative. With temperature records scaling unprecedented heights and rainfall patterns evolving, the imperative for sustainable practices and global climate action becomes even more urgent. As we navigate these climatic shifts, understanding and acknowledging the data provided by institutions like the IMD becomes paramount for informed decision-making and responsible environmental stewardship.
