Surveillance from the sky using RISAT-2B satellite
RISAT-2B satellite launched on May 22 will use microwave radiation for crop monitoring, forestry and flood mapping. The satellite can image during day and night and under almost all weather…
Category: Flood
A rare confluence of four events led to flooding in Kerala, IIT Gandhinagar researchers say
A deadly combination of four factors caused extensive flooding in Kerala in 2018. The State received 53% above normal summer monsoon rainfall from May to August. This together with a few extreme…
Extreme rainfall events pose a challenge to reservoir operations
Modelling studies by IIT Ghandhinagar team has found that if high emission continues, then by the end of the century the mean annual air temperature is projected to increase up to 6.25…
Short, heavy spells get a new name – mini-cloud burst
Researchers at Indian Institute of Tropical Meteorology, Pune have coined a new term — mini-cloud burst — to define rainfall in excess of 50 mm in two consecutive hours. While extreme rainfall of over…
Two-fold increase in short spells of heavy rainfall in Indian cities
Very heavy rainfall lasting for a few hours in urban locations in India has become more intense in the last few decades. Its frequency has increased by two-fold between 1979-2015.…
Three-fold increase in extreme rainfall events over central India
Summer monsoon rainfall over central India has reduced by 10% on average, while there has been three-fold increase in extreme rainfall events between 1950 and 2015. There will be further increase…
Scientists now know why Chennai received unprecedented heavy rainfall in 2015
Both extreme El Nino conditions and the warming trend in the Bay of Bengal contributed equally to the Chennai deluge. The extreme El Nino conditions in 2015 and the warming trend…
IIT Bombay: Extreme rainfall not associated with local warming
A study carried out by researchers at IIT Bombay has found that extreme rainfall events over India do not have significant association with land surface air temperature over India and…
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