Historic Heat Spike for Australia

Strong negative arctic oscillation ahead for late December
12/13/2019, 10:47 am EST
Latest NOAA Long-lead Forecasts
12/19/2019, 11:57 am EST
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Highlight: Historic Heat Spike for Australia

Fig. 1-3: The GFS OP day 1-5, 6-10 and 11-15 temperature anomaly forecast identifying zones where historic heat is likely.

Australian heatwave: The excessive heat remains in the forecast for Australia. Departures from normal temperature are in the +10F to +20F range through the next 15 days centered on Southern Australia. Many all-time records are likely. Temperatures exceed 120F in desert areas and are well into 100’s in major cities such as Adelaide and Melbourne and into Southeast Australia in the 11-15 day period.