SELECT t2.id ,  t2.local_authority FROM weekly_weather AS t1 JOIN station AS t2 ON t1.station_id  =  t2.id GROUP BY t1.station_id HAVING max(t1.precipitation)  >  50
Find the id and local authority of the station whose maximum precipitation is higher than 50.
[Schema (values) (types)]: | station_weather |  train : id (text) , train_number (number) , name (number) , origin (text) , destination (text) , time (text) , interval (text) | station : id (text) , network_name (number) , services (number) , local_authority (text) | route : train_id (text) , station_id (number) | weekly_weather : station_id (text) , day_of_week (number) , high_temperature (number) , low_temperature (text) , precipitation (text) , wind_speed_mph (text);