On Tuesday, south Mumbai recorded intermittent intense spells through the day with 83.6 mm (heavy) rain from 8.30 am to 5.30 pm while the suburbs recorded 7.7 mm rain. Over the last 24 hours moderate rain was recorded in the suburbs and south Mumbai.
The city surpassed its July 2014 record (1,468.5mm) for the all-time high monthly rainfall on Tuesday with intermittent intense rain spells taking the monthly rain tally to 1,474.3 mm from July 1 to July 28 5.30pm.
On Tuesday, south Mumbai recorded intermittent intense spells through the day with 83.6 mm (heavy) rain from 8.30 am to 5.30 pm while the suburbs recorded 7.7 mm rain. Over the last 24 hours moderate rain was recorded in the suburbs and south Mumbai.
A yellow alert (heavy rain warning) was issued for Wednesday and Saturday by the weather bureau.
Though the city received excess rain for the month, showers evaded catchment areas. Even as Tulsi Lake overflowed on Tuesday, water stock across seven lakes supplying water to Mumbai was 32.7% of the required amount. Last year, it was 75% of the required quantum by this period. “
Since catchment areas are located further interior from the coast, cloud bands have not penetrated owing to weak wind drag. However, this is likely to change in August as the Bay of Bengal gets ready to churn a system,” said Balasubramanian adding, “The city could expect above normal rain for August.”
Meanwhile, the city had surpassed its July average rain target of 840 mm in the first 15 days itself, and has currently recorded 75.5% excess rain for the month. Mumbai has witnessed a total of eight heavy to very heavy rain days this month, which paved the way for previous records to be broken.
Thundershowers were reported on at least 15 days in July as against the normal of three days for Mumbai, said Akshay Deoras, independent meteorologist and PhD researcher at the University of Reading, United Kingdom. “A preliminary analysis suggests that the number of rainy days in Santacruz this July has been higher than the normal of 23 days. Intense rain on most days occurred after midnight instead of early afternoon. Thus, increased thunderstorm activity seems to have played a major role in enhancing rainfall,” he said.
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