New Delhi, May 26 -- An unusually severe thunderstorm followed by a three-hour long spell of heavy rain lashed Delhi and NCR in the early hours of Sunday, throwing flight operations out of gear, triggering widespread waterlogging, disrupting power supply in several areas and uprooting trees and signalling yet again inadequate infrastructure and lack of preparations to deal with the impending monsoon.

The weather anomaly broke all records for the Capital, making this the wettest May ever, with Delhi logging a copious 186.4mm of rainfall this month, according to data from the India Meteorological Department (IMD) available since 1901. The previous record for May was 165mm in 2008, data showed. Till 8.30 am on Sunday, Delhi recorded 81.4mm ...