Barcelona is on high alert after heavy rain forced the city to activate its emergency flood plan. Residents are told to stay inside and act fast to protect homes as drains struggle to keep up.
Rain hammered Barcelona on Monday, 5 October. City officials switched on the emergency plan for drainage failure. Flooding is now a real threat. Meteocat, the regional weather service, reported more than 100 mm of rain in Barcelona and nearby towns. Some spots in Barcelonès got between 100 and 200 liters per square meter by midnight. El Raval observatory measured 190.8 l/m². The university area on Diagonal Avenue saw 170.3 l/m². These are the highest numbers in at least 18 years, according to Euronews.
The Catalan Water Agency reported that the lower Besòs River exceeded the danger threshold, with water flow reaching 520 m³/s in Santa Coloma de Gramenet around 03:00, prompting an immediate flood risk warning.
Inside, the checklist is long. Shut all doors and windows tight. Check roofs and drains for blockages. Clear away any trash. Unplug electrical devices. Store anything dangerous well above ground. Keep a phone and charger, medicine, warm clothes, and documents close by. Do not go into basements or garages. These spots flood first. If water starts coming in, turn off the main power right away. If the building feels unsafe, leave, lock up, and get to higher ground.
Outside, the risks multiply. Emergency rules say to shelter in sturdy buildings and keep everything closed. Never try to cross streams, underpasses, or flood-prone spots—on foot or by car. People have died doing this before. Wait for the water to drop or find another way. Euronews cited official reports: two people died in Catalonia during the storm. Fire and rescue services got over 1,500 emergency calls across the region.
Meteocat raised the rain danger level to the maximum 6 out of 6 for Barcelona, Girona, and Tarragona, forecasting very heavy rainfall and isolated strong wind gusts. In Vallès Oriental, authorities even required residents to stay home due to the risk of overflowing streams, later lifting the order but maintaining overnight monitoring.
These steps come from hard lessons. In past Catalonia storms, like the flash floods in Granollers, slow action led to chaos and school shutdowns. The details are in the earlier breakdown of that event.
Official safety advice is posted on the Bomberos de Barcelona website. The city is clear: only prevention and preparation work against wild weather. Barcelona faces another big test. How well these emergency steps work depends on how fast people react. The city’s quick action is not just a rulebook move. It is a must for public safety and a model for crisis response in Spain. The City Council said that by 5 October, the flood risk plan was lowered to alert level as things calmed down. But the basic city plan stayed active to help restore services.
