The orange alert implies that authorities should be ready to handle situations arising out of severe weather.
The Southwest Monsoon usually covers the entire country on July 8. The earlier normal date for the monsoon to cover the entire country was July 15.
Delhi is likely to receive the first monsoon showers on June 30 or July 1, India Meteorological Department (IMD) officials said on Tuesday.
The minimum temperature in the capital dropped to 9.6 degrees Celsius, three notches below normal and the lowest this season so far. The maximum is likely to settle around 27 degrees Celsius, the India Meteorological Department said.
The southwest monsoon is likely to arrive over Kerala on May 31, a day earlier than its normal onset date, the India Meteorological Department (IMD) said.
The depression in the Arabian Sea is likely to intensify into a 'very severe cyclonic storm' on May 17 and cross the Gujarat coast a day later, the India Meteorological Department (IMD) said.
Green think tank Centre for Science and Environment (CSE) said the ongoing smog episode is a public health emergency.
The met department said that rainfall in August is projected to be within the normal range at 97% of LPA. In August and September, India receives around 43 mm of rainfall.
IMD director general Mrutunjay Mohapatra said that cyclone Asani has already achieved maximum stage of intensification and is gradually getting weakened.
Teams of the NDRF have reached several places in Tamil Nadu and Kerala as the two states brace themselves for cyclone Burevi.
According to the India Meteorological Department, as of 8.30 am on Sunday, Thane reported 28 cm of rain, Santacruz 20.1 cm, and Colaba 13 cm.
The global body added that national meteorological and hydrological departments in both countries are working closely with health and disaster management agencies to roll out heat health action plans.