IMD issues a yellow alert for Ratnagiri and Sindhudurg, warning of thunderstorms and gusty winds. Mumbai remains partly cloudy. The India Meteorological Department IMD has issued a yellow alert for Ratnagiri district in Maharashtra forecasting thunderstorms accompanied by lightning light to moderate rainfall and gusty winds over the next 24 hoursAccording to the weather forecasting agency Ratnagiri and Sindhudurg districts are likely to experience thunderstorms accompanied by lightning light to moderate rainfall.