È arrivata la canicola sotto ai 600 metri, con un'allerta di grado 3: le temperature hanno superato i 30 gradi in diverse località della Svizzera italiana. Fino a martedì, la massima giornaliera non scenderà sotto i 35 gradi.
"Una massa d'aria calda e umida innalzerà le temperature dei prossimi giorni fino a valori piuttosto elevati per il periodo", spiega Luca Panziera. Non è però prevista una "stabilizzazione" che faccia presagire l'arrivo di ondate di caldo lunghe e persistenti.
Il tempo resterà variabile, soprattutto nelle Alpi dove i temporali pomeridiani e serali saranno molto frequenti e rimescoleranno la massa d'aria, rinfrescando le temperature.
A partire da martedì si avvicinerà aria più fresca da ovest. Saranno possibili forti raffiche di vento e cadute di grandine.
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