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During the two first weeks in September two heatwaves affected Western Europe. During In the first week the temperatures in Portugal and Spain reached 44-46C, with which broke the September record for Europe. During the heat wave severe wildfires as a resultappeared. In the second week a heatwave affected British Isles with the warmest September temperatures in the past 100 year recorded. |
2. Description of the event
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The plot below shows a Howmuller diagram of z500 (zonal anomaly) averaged between 35N and 55N, spanning from 20 August to 20 September.Both heatwaves had a trough over the eastern Atlantic and ridge over Europe bringing warm air northward.
The plot below shows the fire radiative power from the CAMS analysis from 6 September.
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The plots below show 3-day EFI and SOT for 2-metre temperature during Phase 2 (13-16 September).
3.4 Monthly forecasts
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