In December 2020, negative sea surface temperature (SST) anomalies were observed over the central and eastern equatorial Pacific. Suppressed tropical convection persisted along the central equatorial Pacific and wind anomalies at 850hPa were easterly along the western and central equatorial Pacific, which is consistent with La Niña conditions. Negative monthly mean temperature anomalies were observed over East Asia, Central Asia, central and eastern Russia, and western Australia. Positive monthly mean precipitation anomalies were observed over Australia, whereas negative anomalies spanned over the Arctic, America, Eastern Europe, and the western and central tropical Pacific.
For timely detection and monitoring of major climate events over the Asia-Pacific region, the latest observed weekly, monthly and seasonal mean values of 2m temperature (T2M), outgoing long wave radiation (OLR), rainfall (RAIN), sea surface temperature (SST), surface wind at 10m (Wind10m) and geopotential height at 500hPa (Z500) are provided.
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