La prima forte ondata di calore dell'anno è confermata su gran parte dell'Europa nel corso della prossima settimana. Stando a MeteoNews la Svizzera sarà in prima linea con temperature che supereranno i 30 gradi in pianura a partire da mercoledì, per arrivare a volte anche oltre i 35 gradi sabato.
Infatti, il picco di questa ondata di calore è previsto tra venerdì e domenica: i termometri indicheranno 33-35 gradi in pianura e talvolta anche di più sabato. MeteoNews non esclude i 36-38 gradi sabato pomeriggio nel Vallese centrale e nella Valle del Reno.
Le condizioni diventeranno gradualmente più calde fin dall'inizio della settimana. Un sistema di bassa pressione si troverà al largo delle coste del Portogallo e dirigerà una massa di aria molto calda proveniente dal Nord Africa su gran parte del continente. Le temperature saranno ancora sopportabili lunedì e martedì, con massime di 25-28 gradi in pianura. Il caldo aumenterà poi mercoledì e giovedì, raggiungendo i 30-32 gradi in pianura e i 34 gradi nel Vallese centrale.
Anche nelle regioni di montagna si registreranno temperature molto elevate, con oltre 30 gradi intorno ai 1'000 metri di altitudine nella giornata di sabato. Vi sono ancora incertezze legate alla durata e all'intensità del fenomeno, legata alla depressione al largo del Portogallo. Ma in tutti i casi le temperature attese saranno davvero notevoli.
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