Storm warnings in northern Italy



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    Forecast valid on Saturday 6 July 2019 from 06:00 to 23.59 Utc

    Busy days await Northern Italy, with two different disturbed structures that will meet right next to the Italian north.

    During the day tomorrow a cut off on the Iberian peninsula will determine the establishment of an intense flow from west to north-west in free atmosphere.

    Northern Italy will find itself in the limbo between very hot North African air and fresher puffs that will tend to cross the Alps, thus favoring the formation of very intense thunderstorms.

    The energy available for convection will be really high with peaks of over 3,000J / kg that will go as far as the Alpine areas transported by an important low-jet jet from the south-east. The shear will also be very high, favoring the formation of highly organized thunderstorm structures and therefore supercells.

    Friuli Venezia Giulia and Veneto

    Thunderstorms forming during the afternoon hours on the alpine mountains with the risk of large hailstorms and flooding, we strongly advise against mountain excursions (Level 2 and 3).

    The phenomena will tend to evolve towards the Friulian and eastern Veneto plains, with the possibility of supercells.
    Due to the intense south-east ventilation present on the ground, combined with a Cape (energy available for thunderstorms) expected beyond 3000J / kg, vortex phenomena cannot be excluded.

    In late evening / night on Sunday, possible intense thunderstorm passage with Verona / Vicenza axis towards Venetian Padua and Rovigo, but given the time it will fall in the outlook for Sunday, also for this reason only one level 1 has been issued.
    We invite you to pay attention.

    Lombardy, Piedmont and Trentino Alto Adige

    Mostly late afternoon and evening phenomena relegated to the Alpine belt with the risk of medium-sized hailstones and local discomforts due to flooding, especially between Como and Lecco (LEVEL 2).

    Towards midnight possible extension of the phenomena towards the plains, with cape (energy available for thunderstorms) that will remain really high despite the night hours, with peaks up to 2500J / Kg.

    Also in this case, being beyond midnight, it will fall within Sunday's outlook, for this reason only one level 1 has been issued.

    Jacopo Zannoni

    The member of the storm chasers group ZenaStormChaser from Genoa, Italy. Follow ZenaStormChaser on Facebook, Instagram or Twitter



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