Surface air temperature (SAT) anomalies have pronounced impacts on agriculture, socioeconomic development, and people’s daily lives. For example, the record-breaking hot summer over many parts of the Eurasia resulted in broad wildfires and large economic loss. Many studies have demonstrated that atmospheric circulation anomalies play an important role in modulating the SAT variations. Hence, the persistent characteristics of the Eurasian atmospheric circulation anomalies are crucial for the seasonal prediction of the Eurasian SAT. A question is whether the Eurasian atmospheric circulation anomalies can persist from winter to the following spring.
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