India, Oct. 15 -- The India Meteorological Department (IMD) on Thursday issued an orange alert in Delhi, signalling a likely change in weather conditions, even as the Capital woke up to a slightly warmer morning with minimum temperatures above normal across most weather stations.

An orange alert is issued to "be prepared" for heavy to very heavy rainfall (typically 115.6 mm to 204.4 mm in 24 hours), a yellow alert means "be aware" (typically 64.5 mm to 115.5 mm in 24 hours).

According to IMD data recorded at 8.30am on Thursday, the minimum temperature at Safdarjung - Delhi's base weather station - was 23.3 degrees Celsius, 3.7 degrees above normal. The minimum temperature at Ayanagar was 23.4 degrees Celsius, 3.2 degrees above normal, w...