Showers and thunderstorms, locally intense, with temperatures dropping today.

BarcelonaThe weather situation will continue to be dominated by the proximity of the Atlantic disturbance (ex-hurricane Erin), which will significantly increase instability and bring showers to more regions, locally accompanied by thunderstorms and hail or hail. Furthermore, temperatures will begin to drop, and will further decrease between Thursday and Friday, when the cooling will be more evident across the country.

Wednesday: Heavy rain moving from west to east

In the last few hours, we've already seen meteorological movement, in the form of showers and the first thunderstorms associated with the advance of the forecast frontal system. As of 8:00 a.m., up to 22 l/m (7.5 gallons/mi) had accumulated.² in Raimat, 18 l/m² in Gimenells and 16 l/m² in Poal. Throughout the morning, the sky will remain overcast, with significant cloud cover throughout, and showers moving from west to east. Locally, these showers will be accompanied by thunderstorms and hail or hail, which will be more likely in the West and Central Catalonia. In fact, a severe weather warning has already been issued for the West.

From midday onwards, the cloud cover will break up in the eastern half, even with many clearings, but it will increase further in the western half, with intense showers that will move eastwards again and will become more intense and widespread. We will again talk about thunderstorms and, locally, some downpours (30 or 40 l/m).² in less than half an hour), which will be more likely, at the end of the day, in the Girona regions or on the central coast and the Costa Brava.

Temperatures will drop slightly across the country, but will remain warm in the West, with highs near 33°C. In the rest of the country, highs will frequently range between 27°C and 30°C, with muggy conditions along the coast.

In this regard, the Catalan Meteorological Service has issued a rainfall intensity warning for this afternoon and evening, covering much of the country's western regions, as well as parts of central Catalonia and the eastern Pyrenees. The warning is level orange (3/6) in Pallars Sobirà, Pallars Jussà, Alt Urgell, Solsonès, Cerdanya, Alta Ribagorça, Noguera, Segrià, and Pla d'Urgell.

Thursday: thunderstorms in the eastern half and cool

The arrival of the groove associated with the Atlantic storm or ex-hurricane Erin It will bring cold air aloft and trigger atmospheric instability. Showers and thunderstorms are expected, locally of some intensity, which will particularly affect the eastern half and parts of the coast and central pre-coastal region on Thursday, with locally heavy downpours that will dump significant amounts of rain wherever they hit. Temperatures will drop, both day and night, with tropical lows now concentrated only on the coast and lower highs.