New Delhi, Oct 15 (UNI) Rain and overcast skies brought a sharp drop in temperatures across Delhi on Thursday, with the India Meteorological Department (IMD) sounding an orange alert for thunderstorms, lightning and strong winds reaching 40–50 kmph, with gusts up to 60 kmph, during the night. The weather department warned of possible waterlogging in low-lying areas and traffic disruptions as another spell of rain was forecast across the capital and adjoining NCR areas.