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The plots below show analyses of z500 and T850 from15 July to 21 July 00UTC, every 24 hour.
The plot below shows a time-series of daily 2-metre temperature (based on 00 and 12UTC ERA5 analyses) for central Italy (red) and southern Sweden (blue), starting from 1 May. Thin lines represent daily mean, thick lines 7-day running mean and dashed lines ERA5 daily climatology. One can see the strong heatwave over Italy during July with two peaks on 18-19 July and 2 July. The temperatures sharply dropped after 24 July peak. While southern Europe saw the heatwave, Northern Europe was dominated by milder conditions during July, after a heatwave in June.
3. Predictability
3.1 Data assimilation
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