The Valencian Community is under an orange alert for violent storms and hail. Aemet forecasts heavy rain and damaging winds, especially on the northern Alicante coast. Weather warnings remain in effect through early Thursday.
The State Meteorological Agency (Aemet) has issued an orange alert for the Valencian Community, warning of violent storms, hail, and strong winds. The highest risk is along the northern coast of Alicante, where rainfall could reach 40 millimeters in an hour. These hazardous conditions are expected to last until 6:00 a.m. Thursday. The orange alert takes effect from 14:00 on September 9, with the most dangerous period for northern Alicante likely to continue until midnight Wednesday, according to Aemet bulletins and other Spanish meteorological sources.
Residents in the affected areas are preparing for a night of unstable weather. In addition to the orange alert, yellow warnings are in place for the northern and southern coasts of Valencia and the southern coast of Alicante, where up to 20 millimeters of rain per hour and sudden hailstorms are possible. These warnings cover late evening and early morning hours, and strong winds add to the risk for coastal communities. Recent updates from Aemet also extend yellow warnings to interior areas and the south of Valencia, broadening the risk zone.
"The cause of the abrupt weather deterioration is described as the arrival of an upper-level trough and cold air over warm sea waters, significantly increasing the likelihood of intense convection, hail, and locally very heavy rainfall."
Aemet
While the coast will see the worst of the storms, conditions inland will be less severe. On Thursday, cloud cover along the coast will gradually clear by afternoon, while skies inland should stay mostly clear. Early morning showers and thunderstorms are likely in southern coastal areas but should ease as the day goes on. Minimum temperatures will drop across the region, with maximums falling along the coast and in Alicante’s interior, rising in northern Castellón, and staying steady elsewhere. Winds in Alicante will shift from moderate northerlies to lighter breezes, turning east and south by midday, with moderate gusts possible along the coast. This cooling trend matches the broader Mediterranean weather pattern, as noted in recent Aemet and national weather reports.
Provincial capitals will see noticeable temperature changes: València is forecast at 17°C minimum and 28°C maximum, Alacant at 19°C and 29°C, and Castelló de la Plana at 15°C and 28°C. These numbers reflect the cooling that comes with the storms, a pattern also seen in other Mediterranean regions as reported earlier. After a period of intense heat, Aemet expects a sharp drop in temperatures, with a quick shift from calm mornings to a high chance of afternoon thunderstorms.
By Friday, Aemet expects the weather to settle. No alerts are planned, skies should clear across the Valencian Community, and temperatures will start to rise again—minimums increasing in Castellón’s interior and maximums climbing throughout the region. Winds will begin from the west in the morning, shifting east and south by midday, with moderate gusts possible along the coast. This recent episode is part of a wider pattern of Mediterranean instability, with orange alerts also issued for Catalonia, the Balearic Islands, Murcia, and parts of Almería, according to national weather bulletins.
"Official reports emphasize the practical risks of these storms: locally very heavy downpours can quickly flood streets, ravines, and low-lying areas, causing significant traffic disruptions. The warnings are part of a broader Mediterranean episode, with several Spanish regions under orange alert for severe weather."
Aemet
These rapid changes in weather highlight how unpredictable late summer can be in eastern Spain. For residents and local authorities, this episode is a reminder to stay alert as climate variability continues to challenge forecasts. The quick shift from calm to dangerous conditions, especially along the coast, shows why timely alerts and clear communication from agencies like Aemet are essential for public safety and daily planning in the region.
