Here is the translation of the given Hindi text to English: "Heavy rain alert in Ranchi tomorrow: Heavy rain in 13 districts today, wind speed will be up to 40 kmph, and the temperature will drop by 4 degrees."

The monsoon has become active again in Jharkhand due to the low-pressure area forming in the Bay of Bengal and the impact of the cyclonic circulation returning from UP. The Meteorological Center has issued a warning for heavy rain, strong winds, and thunderstorms in several districts including Ranchi on September 10th. Winds with speeds of 30 to 40 kmph are likely from September 9th to 12th. Due to continuous clouds, rain, and strong winds, the maximum temperature in Ranchi may increase by 3 to 4 degrees Celsius.