WMO publishes global update of climate datasets

The World Meteorological Organization and the US National Centers for Environmental Information have released updated global climate baselines covering 1991 to 2020. This comprehensive dataset, described as the climate equivalent of a census, replaces the previous 1981 to 2010 reference period. By adopting a decadal update cycle, these organizations aim to ensure that climate normals accurately reflect the rapidly changing Earth, allowing for more precise monitoring of current weather patterns and long-term environmental shifts. Updating these standards is critical for climate-sensitive sectors such as agriculture, energy, and water management, which rely on accurate baselines for operational decision-making. Without fresh data, industries risk basing vital strategies on outdated information that no longer represents current climatic realities. While the new normals serve as the primary reference for day-to-day operations, WMO continues to utilize older periods, such as 1850 to 1900, specifically for tracking global temperature increases relative to pre-industrial levels in accordance with international climate agreements. This update highlights the importance of open, accessible, and standardized climate data for global coordination. The rigorous collaborative process required to assemble this dataset underscores the need for transparent data sharing among nations to support evidence-based policy and forecasting. As developing nations face challenges in data collection, the continued publication of these high-quality, universally agreed-upon norms facilitates international cooperation, ensuring that critical climate insights remain available for scientific and societal use.

Source: miragenews.com
Published on 2023-08-16

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