Paris banned public alcohol consumption and takeaway sales across two weekend nights, and French Prime Minister Sebastien Lecornu raised the national health alert to its highest level Friday, as a new attribution study concluded that the heat dome over western Europe would have been virtually impossible without human-caused climate change.
The twin moves mark the moment the second week of Europe’s omega block stopped being a weather story and became a public-health emergency, with the Paris ambulance service logging four times its normal cardiac arrests over 24 hours and Spain’s MoMo surveillance system tallying 213 heat-linked deaths between Sunday and Wednesday.
Hospitals at saturation
Paris police chief Patrice Faure told local media the capital is "reaching a saturation point in hospital facilities." Public drinking will be barred from noon Friday to 7 a.m. Saturday and again over the same hours into Sunday, with takeaway sales banned from 6 p.m. Friday. Licensed bars and restaurants are exempt. Lecornu moved the Orsan health emergency plan to level three to, in his words, "withstand the strain over time and protect the most vulnerable."
Health Minister Stephanie Rist said the dead include the young as well as the elderly. A 3-year-old was found dead in a car in the Paris region this week, days after two children died in a family car in Carpentras. In Rennes, where the mercury hit 41 degrees Celsius (105.8 F) Tuesday, emergency-department chief Professor Louis Soulas tied five or six in-home deaths to the heat and said intensive-care units were "saturated."
Attribution science
The World Weather Attribution group, releasing its analysis Friday, called the episode the most severe European heatwave on record for June and estimated the same weather pattern in 1976 would have been 3.5 C cooler. The 2003 analogue would have run 2 C cooler. Of 850 European cities studied, 45 percent had broken or were on track to break all-time heat-stress records this month.
"This event would not have been possible in June without climate change," lead author Theodore Keeping of Imperial College London told reporters.
Grid and infrastructure
Three French nuclear plants have gone offline because of the heat. Germany’s DWD weather service warned of nationwide 40 C readings Friday, and overnight lows in Bad Bergzabern held at 26.2 C, equaling a 2019 record. Luxembourg logged its highest June temperature at 38.3 C. Florence’s Uffizi museum suspended ticket sales through Sunday after indoor readings reached 32 C.
Caveats
Attribution scientists caution that pinning a precise share of any single heatwave on warming relies on model ensembles and assumptions about baseline variability, and that French and Italian death tolls remain preliminary; Rist said there are "no confirmed figures" for heat-linked fatalities in France. Adaptation is also lagging: only about 20 percent of European homes have air conditioning, against 90 percent in the United States.
What’s next
The heat dome shifts east this weekend. Vienna and the Czech Republic are forecast to hit 40 C on Saturday and Sunday, the Netherlands triggers a code red across eight of 12 provinces at midnight, and the Italian peak lands Monday with northern regions expected to top 40 C and overnight lows near 29 C. Météo-France has warned of 110-kilometer-per-hour gusts and thunderstorms along the Atlantic coast as the block finally breaks.