Algeria’s National Meteorology Office has issued a weather alert forecasting heavy rainfall and thunderstorms across 34 of the country’s wilayas (provinces), beginning Sunday, June 14th. The alert signals potentially disruptive weather conditions for a significant portion of the nation. Specific details regarding the intensity and duration of the storms were not immediately available in the provided text. Residents in the affected areas are advised to prepare for potential disruptions. The announcement was made by the ONM on Sunday. Further updates and detailed forecasts are expected to be released as the weather system develops. The alert was first published on [website name - not provided in text].