Status:Ongoing analysis Material Status: Finalised Material from: Linus, Mohamed
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Discussed in the following Daily reports:
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On 24-25 July a heatwave affected western Europe. National records of temperature were recorded in the Netherlands (Deelen, 42.65CGilze-Rijen station, 40.7C), Germany (Lingen, 42.65C), Belgium (Begijnendijk, 41.8C), Luxembourg (Steinsel, 40.8C) and (provisional) United Kingdom (38.5C, Cambridge Botanical Garden, https://www.metoffice.gov.uk/about-us/press-office/news/weather-and-climate/2019/provisional-hottest-day-on-record). The record was also broken for Paris with 42.6C.
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The plots below show analyses of z500 (contours) and T850 (shade) from 22 to 26 July.
The plot below shows the evolution of T850 over north-western France from 1 March to 28 July. The two heatwaves of 2019 stands out with a more normal period in-between.
The plot below shows the maximum temperature observations on 25 July.
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3.1 Data assimilation
3.2 HRES
3.3 ENS
The plots below show EFI and SOT for 3-day temperatures valid 23-25 July in forecasts from 23 July (first plot) to 17 July (last plot).
The ensemble ensemble evolution plot below shows the ENS (blue) and HRES (red dot) 3-day average temperature for a box covering most of France 23-25 July.
The plots below show EFI and SOT maximum temperature valid 25 July in forecasts from 25 July (first plot) to 20 June (last plot). All forecasts captured the heatwave.
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