Professional race cars and hydromet (weather, water, and climate forecasting) systems may seem worlds apart, but they have more in common than we realize. Both perform at high levels, requiring purpose-built designs and constant technological advancement, and for both, there are no off-the-shelf solutions. Every part needs to be acquired with overall compatibility and connectivity in mind, carefully assembled, and tested before going operational. Success in both fields depends on skilled operators, well-trained teams, and a culture of continuous improvement, as demonstrated in Bangladesh’s weather and climate services modernization process.
In Bangladesh, the low-lying delta topography makes the country highly prone to floods, riverbank erosion, sea-level rise, and saline intrusion. Most recently the severe floods in 2024 affected 5.8 million people, displaced over half a million and caused total damages of USD 1.2 billion. Given the vulnerabilities, the Bangladesh Weather and Climate Services Project played a significant role in improving government’s ability to deliver weather, water, and climate information services to priority sectors and communities, including agriculture and farming communities.
Between 2016 and 2024, weather forecasting outlook in Bangladesh was extended from one to three days, with detailed information provided to specific areas. The flood forecasting coverage was also expanded from half to the entire country. Farmers are now provided with tailored forecasts and actionable messages to optimize planting, pesticide use, fertilization, and harvesting, thereby boosting production and reducing losses. Additionally, enhanced modeling capabilities can inform development planning and policies on drought, salinization, water extraction, and water use.
Meteorologist analyzes multi-panel weather forecasts for Bangladesh; Photo@S M Al Mahmud
Modernizing weather and water value chains: Lessons learnt
Modernizing weather, water and climate services, however, is not for the faint of heart due to technical complexities and institutional changes. Yet, such efforts are fundamental to unlocking the full development potential. Socioeconomic analyses globally show that the benefits of weather, water and climate service modernizations far outweigh the costs, with ratios ranging from 2:1 to 14:1 or even higher. Here are a few lessons learnt from the Bangladesh project:
Hydromet service provision, much like car racing, is highly dynamic and relies on quickly evolving technology. Bangladesh has made significant strides in strengthening foundational systems for forecasting and analysis that serve both specialists and the public at large. Ongoing modernization efforts will require continuous collaboration, innovation, and investment as well as the adaptation of information and services. Determining next steps, anticipating challenges, setting clear goals, and measuring results will drive sustainable progress all the way to the finish line.
Source : World Bank
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