Pre-monsoon showers has been witnessed in several places of Mumbai on Friday evening.

While this sudden rainfall brought a relief from the scorching heat by getting the mercury down the incident affected the suburban train services, causing inconvenience to the commuters.

The pre-monsoon showers lashed some suburbs of the metropolis and also parts of Thane and Navi Mumbai.

An official of the India Meteorological Department (IMD) said that light rains and drizzles were also reported insome districts like Sangli, Osmanabad and Kolhapur.

"In the month of May, such pre-monsoon thunder showersare quite usual", the official said.

"Suburban Chembur witnessed mild rainfall, though itdid not hit the road traffic", an official from disaster management department of the Brihanmumbai Municipal Corporation (BMC) said.

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However, the central and harbour lines of the Central Railway were affected by the unseasonal rains during the peakevening hours.

"Suburban trains stopped at Chembur on the harbourline and at Ghatkopar on the main corridor of Central Railway after technical snag in overhead equipment werereported in the evening.

Our team of engineers swung intoaction and rectified it soon", CR's senior spokesperson A KJain said.

"The services resumed on the harbour (up) line at 8.09pm and at 8.14 at (down) line. Main line services betweenMatunga and Kurla were restored at 8.21 pm, while servicesnear Ghatkopar were restored at 8.32 pm," he said.

Describing his experience, a commuter of central linesaid, "I took the 7.33 pm Kalyan local from Chhatrapati Shivaji Terminus (CST). When the local reached Ghatkopar, it was raining and suddenly I heard few explosions in the train's overhead equipment and it stopped moving."

He, however, acknowledged that announcement system were in place and was rectified within time.

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In its forecast for tomorrow, the IMD has said rains and thunder showers are very likely in parts of Maharashtra tomorrow afternoon or in the evening.