It will also be the third cyclone to hit the western state in June since 1965, the meteorological office said.
Intense heat swept through east India and parts of the southern peninsular region on Thursday, testing power grids and prompting the Kerala government to order closure of educational institutions till May 6.
According to the IMD, a rain event is categorised as a cloudburst if a weather station receives 100 mm of rain in one hour.
The IMD defines a normal monsoon as one which delivers between 96 and 104 per cent of the 50-year average rainfall for the season.
Heavy waterlogging was witnessed in several towns and cities, while roads were closed in rural areas on Friday morning due a heavy spell.
The rains were being caused due to a cyclonic circulation lying over north east Arabian sea and adjoining Saurashtra and Kutch regions, the IMD said in its bulletin.
India is likely to experience below-normal monsoon rainfall this year, with a 20 per cent chance of drought due to the end of La Nina conditions and the potential for El Nino to take hold, private forecasting agency Skymet Weather said on Monday.
The Safdarjung Observatory, which provides representative data for the city, recorded a maximum temperature of 40.1 degrees Celsius, which was eight notches more than normal, said Kuldeep Srivastava, the head of the IMD's regional forecasting centre.
The India Meteorological Department (IMD) seems to have taken a cautious stand over the World Meteorological Organisation's (WMO) projection of a 'poor monsoon' due to a probable 'El Nino' impact. The IMD did not agree with WMO's projections, saying, "El Nino and the progress of monsoon are not mutually exclusive events", and remained non-committal over its earlier projection of a "normal monsoon" for the June-September 2009 season.
Since its formation on June 6 in the southeast Arabian Sea, Biparjoy had maintained a northward track, gathering strength and becoming an extremely severe cyclonic storm on June 11, packing wind speed of more than 160 kmph, and then losing intensity a day later.
Rain-related incidents claimed nine more lives in Gujarat, taking the death toll to 16 in two days, while another 8,500 people were relocated and rescued from flood-affected areas with rains continuing to lash some parts of the state for the fourth consecutive day on Wednesday, officials said.
Of these four flights (except Qatar Airways) returned to Kozhikode airport as the weather condition in Kozhikode gained normalcy.
The weather system remained practically stationary during the last six hours and weakened to a depression, and is likely to turn into a well-marked low pressure area during the next 12 hours, it said in a bulletin.
After remaining stationary for several hours over the sea, the cyclonic storm 'Phailin' on Thursday intensified, moving slightly northwest and lay centered at about 850 km southeast of Paradip.
Expected to be over 100% of long average period.
After a steady surge, prices of pulses, except those of urad and masoor to some extent, are showing signs of stabilising amid a revival of monsoon rains over major growing areas of Maharashtra and Karnataka, and on expectations of a rise in imports. Chana prices, which too had moved up in recent months, have dropped by almost 3 per cent since the end of August due to increased liquidation of government stocks, official data shows. Monsoon rains seem to have benefitted the standing soybean crop as well.
The same development would benefit the progress of the north-east monsoon, also known as the 'reverse monsoon'.
Southwest monsoon has furthered advanced into some parts of south Arabian Sea
A mild intensity earthquake with a magnitude of 3.2 on the Richter scale stuck the Koyna dam region in Satara on Monday night, officials said.
The flood-hit religious destinations of Kedarnath, Badrinath, Yamunotri and Gangotri, where rescue operations are underway, would again record heavy rains from Thursday, the India Meteorological Department said on Friday. It also predicted "rather heavy showers" in Hemkund Sahib, another religious destination hit by flash floods and heavy rains, from Wednesday.
It said the weather system was expected to intensify into a deep depression by 5.30 am on Wednesday and turn into Cyclone Mocha in the next 12 hours, packing wind speeds of 80-90 kmph and gusting to 100 kmph.
Aizawl has been cut off from the rest of the country due to a landslide on National Highway 6 at Hunthar.
Waterlogging was reported in Andheri, Kurla, Ghatkopar, Chembur and some other places.
The sluggish southwest monsoon, which yielded one of the driest Junes in a century this year, appears disappointing this month as well.
The maximum sustained wind speed is 55 knots gusting to 65 knots around system centre. Sea condition is rough to very rough, it stated.
All parts except Northeast may get below-normal rain; govt reiterates assurance on preparations.
With El Nino emerging, forecasts rainfall at 95% of long-period average.
Very heavy rainfall is likely to occur at one or two places in Kerala on Wednesday.
The India meteorological department said another western disturbance is likely to bring storms and rain to the northern plains, including Delhi, over the next few days.
Heavy rains over a span of few hours flooded many parts of Nagpur city, following which more than 400 people, including 70 students from a school for the speech and hearing-impaired, were rescued, said Maharashtra Deputy Chief Minister Devendra Fadnavis on Saturday.
Low temperature -- Delhi recorded a minimum of 13.5 degrees Celsius on Tuesday, the season's lowest so far -- allowed accumulation of pollutants, said Mahesh Palawat, vice president (meteorology and climate change), Skymet Weather.
Market for localised weather forecasting in India offers immense scope; credibility of data a concern.
As the air pollution in Delhi-NCR ameliorated over the last two days, the Centre's air quality panel Sunday directed authorities to lift the ban on plying of non-BS VI diesel light motor vehicles in the region and the entry of trucks into the capital imposed under the final stage of the Graded Response Action Plan.
India's crucial monsoon will be normal this year but with less heavier rains as the weather office on Friday marginally downgraded its earlier forecast.
NCDEX benchmark index up 10% over a month, as expectations on sowing gather pace
Eleven more patients admitted at Uttar Pradesh's Ballia district hospital have died due to various ailments on Monday, taking the death toll to 68 in five days, officials said.
Southwest monsoon, the key to the agriculture driven trillion-dollar Indian economy, on Tuesday brought showers to Kerala bringing much-needed relief to farmers.
State capital Lucknow shuddered at 0.7 degrees Celsius, while Bahraich recorded a low of 0.2 degrees Celsius.
The IMD projects total rainfall in the June-September monsoon season as being 99 per cent of the long-period average.
Scientists had earlier said the cyclone pulled the moisture and convection, impacting the intensity of the monsoon and delaying its onset over Kerala.