India: Monsoon rain to lessen as heat wave bakes northern states

By Eric Leister, AccuWeather senior meteorologist
June 14, 2018, 8:52:52 AM EDT

Monsoon rain will not be as intense as recent days across southern India into this weekend, but there can still be localized flooding and heat will build elsewhere.

The monsoon arrived with a fury last week in India, unleashing deadly flooding on parts of Kerala and Karnataka.

Monsoon rain will continue to affect parts of western India from Mumbai to Kochi into this weekend; however, flooding will become more localized.

Daily showers and thunderstorms are possible in Mumbai, but flooding will be sparse compared to the weekend when more than 150 mm (6 inches) fell in under 24 hours.

"That does not mean that residents should let their guard down," AccuWeather Senior Meteorologist Kristina Pydynowski said. "Even isolated flooding incidents can still endanger lives and property."

Four people were reportedly killed when downpours triggered flooding and landslides in the hilly Kozhikode district of Kerala Wednesday night into early Thursday morning, according to The Hindu.

A nine-year-old girl is among the dead, while 13 other people are missing from the area.

India June 14

Farther north, the break in the monsoon will stall any advancement, and people in some locations that have already had consistent monsoon rain will notice a reduction in rainfall lasting into next week.

The monsoon has already been slow to advance across northeastern India, only reaching areas from eastern parts of Odisha and West Bengal to Assam.

Typically, the monsoon will have reached Madhya Pradesh and Bihar by the middle of June.

Locations from Andhra Pradesh to Odisha and West Bengal will receive below-normal rainfall into early next week.

This reduction in rainfall will allow heat to build across the region.

High temperatures will surpass 38 C (100 F) in many locations from eastern Andhra Pradesh to West Bengal.

In the hottest locations, including Kolkata, temperatures may approach 41 C (106 F) from Friday into Monday.

Rain chances will then increase as next week progresses.

"The monsoon flow will strengthen later next week, leading to a gradual increase in rainfall from east to west," said Accuweather Senior Meteorologist Jason Nicholls.

The return of monsoon rains will end the brief heat wave in eastern India.

"The monsoon may further advance into Madhya Pradesh and approach Gujarat next weekend," added Nicholls.

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No monsoon rain is in sight for parts of northern India where heat will continue to endanger millions of people into next week.

Locations from Patna to Lucknow, Kanpur, Jaipur and New Delhi will all endure sweltering heat and a high risk for heat-related illness during the week ahead.

High temperatures of 40-42 C (104-108 F) will be common this weekend with even higher temperatures expected next week.

Warm nights will not allow homes without air conditioning to cool.

"Those in New Delhi and the NCR may have to wait until early July for the monsoon to arrive," said Nicholls.

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