Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL088613 |
COVID‐19 Pandemic Imperils Weather Forecast | |
Ying Chen | |
2020-07-15 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | Weather forecasts play essential parts in economic activity. Assimilation of meteorological observations from aircraft improves forecasts greatly. However, global lockdown during the COVID‐19 pandemic (March‐May 2020) has eliminated 50‐75% aircraft observations and imperils weather forecasting. Here, we verify global forecasts against reanalysis to quantify the impact of the pandemic. We find a large deterioration in forecasts of surface meteorology over regions with busy air flights, such as North America, southeast China and Australia. Forecasts over remote regions are also substantially worse during March‐May 2020 than 2017‐2019, and the deterioration increases for longer‐term forecasts. This could handicap early warning of extreme weather and cause additional economic damage on the top of that from the pandemic. The impact over Western Europe is buffered by the high density of conventional observations, suggesting that introduction of new observations in data‐sparse regions would be needed to minimize the impact of global emergencies on weather forecasts. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/284318 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Ying Chen. COVID‐19 Pandemic Imperils Weather Forecast[J]. Geophysical Research Letters,2020. |
APA | Ying Chen.(2020).COVID‐19 Pandemic Imperils Weather Forecast.Geophysical Research Letters. |
MLA | Ying Chen."COVID‐19 Pandemic Imperils Weather Forecast".Geophysical Research Letters (2020). |
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