Rainfall and other forms of Precipitation

Featured Articles
September 13, 2022 Heavy rains and floods have battered Bengaluru yet again. Uncontrolled and unregulated development and concretisation of the city that pays no heed to the ecology and hydrology of the region needs to stop!
Urban flooding in Bangalore (Image Source: Thejas via Wikimedia Commons)
March 29, 2022 The intensity and duration of heat waves is predicted to increase in India and human induced anthropogenic changes are to blame.
A man sits under the scorching heat of the sun in front of Amer fort in Jaipur (Picture courtesy: Prabhu B Doss, Flickr Commons: CC-By-NC-ND-2.0)
February 10, 2022 47% of India’s population is vulnerable to floods, says IMD's Climate Hazards Atlas
(Image: J Surya, CC-SA-4.0 International)
July 4, 2021 A study finds that while forests existed in peninsular India, they were replaced by savanna grasslands over time. And the weakening monsoon was the culprit!
Savanna grasslands at Nannaj Bustard Sanctuary, Solapur, Maharashtra (Image Source: Raju Kasambe via Wikimedia Commons)
June 30, 2021 Climate analysis predicts mismatch in rainfall and temperature patterns with crop phenology: Soybean, Cotton, Wheat and Gram crops at risk, finds Institute for Sustainable Communities study across three major regions of Maharashtra.
Maharashtra faces an increasing risk from climate change which is likely to impact the production of four major crops - Soybean, Cotton, Wheat and Gram.  (Image: BAIF Flickr, CC BY-NC-SA 2.0)
December 13, 2019 A study highlights the need to scale down the export of rice, maize, buffalo meat and other items to conserve groundwater in India.
A farmer uses a hosepipe to irrigate crops at her farm in Nilgiris mountains, Tamil Nadu (Image: Hamish John Appleby for IWMI, Flickr Commons, CC BY-NC-ND 2.0)
Mitigating the potential unintended impacts of water harvesting - A WHiRL Research Report
Water balance studies in Andhra Pradesh and Karnataka have shown that water harvesting programmes impact significantly on patterns of water use and that this can result in distinct winners and losers. Posted on 20 Oct, 2010 07:28 AM

This report under the WHiRL research project by the Natural Resources Institute (NRI) identifies the potential unintended impacts of water harvesting so that, if at all possible they are avoided altogether, but if these do occur, they are recognised at an early stage and steps are taken to mitigate their affects. It highlights evidence that is emerging about water harvesting in semi-arid areas, on how water if used inappropriately, can lead to inequitable access to water resources and, in the extreme, to unreliable drinking water supplies.

Floods, Rains - News Roundup (7-14 October 2010)
The new round up for the week ending 14 October 2010, indicates that the flood situation in the North East has worsened and attempts are being made at flood management.
Posted on 15 Oct, 2010 02:37 PM

The latest news indicates that the monsoons and the flood situation has receded in most parts of India except in the North East where Manipur valley continues to suffer from incessant rains and flooding with attempts being started at flood management.

Extreme water logging and flood situation in channelized areas in Pune - A report
Nallahs and rainwater is good news. Not for Pune. 10 people lose their lives while the city administration neglects the maintenance of the near-natural channel system Pune enjoys. Posted on 13 Oct, 2010 04:32 PM

Guest post by Parineeta Dandekar


While this news item was about to be published, Pune received heavy rains on the 4th of October (highest in the last 118 years, 104 mm in 40 minutes and 181.3 mm in 24 hours). While the city administration stressed that this was a cloud burst, this claim was quashed by the Indian Meteorological Department (IMD). This was said to a rare event, which was experienced in many places in Maharashtra.

10 people lost their lives to these rains, including three young children and a 25 year old Ph D researcher, Agnimitra Bannerjee, from National Chemical Laboratory, who was washed away in a channelised nallah stretch. Channels prove to be much more dangerous as the velocity of water is high and there is nothing to hold on to, in case a person falls in one of these fast-flowing nallah channels.

Floods, Rains - News Roundup (1-7 October 2010)
News reports on the monsoon indicate heavy rainfall and flooding in parts of Maharashtra, Karnataka, Tamil Nadu and Kerala.
Posted on 08 Oct, 2010 02:34 PM

Recent reports on the monsoon and the flood situation indicate that the rainfall has receded from northern India and has shifted to the south of India. Reports indicate heavy rainfall and flooding in parts of Maharashtra, Karnataka, Tamil Nadu and Kerala. Reports also indicate that India’s 16-week monsoon period has ended last week and the meteorological department has confirmed of 102% than normal rainfall. Inspite of the floods and the problems associated with it, reports also indicate positive news that the heavy rainfall has helped to recharge lakes and water bodies in different parts of India and may see a positive impact on agriculture in the coming days.

Floods - News Roundup (24-30 September 2010)
Flood fury in different parts of North India and improvement in the situation in a few areas. This and more stories in the news roundup Posted on 01 Oct, 2010 12:07 PM
  • The news earlier in the week still reports of flood fury in different parts of North India such as Haryana, Punjab, Uttar Pradesh, Bihar, Hyderabad, Delhi, Agra. However, in the later part of the week, the flood situation seems to be easing in most parts of the North such as Punjab, Haryana, Himachal Pradesh, Uttaranchal except in Uttar Pradesh, especially western, where the situation still continues to be grim.
Member's newsletter from International Rainwater Harvesting Alliance(IRHA)- September 2010
Newsletter focuses on all activities concerning rainwater harvesting, the International Rainwater Harvesting Alliance (IRHA) and its partners. Posted on 24 Sep, 2010 11:55 AM

International Rainwater Harvesting Alliance

Floods, Rains News Roundup (16-23 September 2010)
Rain fury in north India , flood situation in most places in North India and more rain and flood stories in the news round up. Posted on 24 Sep, 2010 10:45 AM

Reports of floods, swelling of rivers continue from various parts of North India such as Delhi, Punjab, Haryana, Chandigarh, Bihar, Uttar Pradesh, Uttarakhand. There have been reports of landslides in the Himalayas, Himachal Pradesh, especially Shimla where the tourism industry has suffered and tourists have been reported to be stranded because of floods and landslides. Uttar Pradesh and Uttarakhand have been the worst hit with a high number of deaths due to monsoon and floods.

"Andhra's mammoth water harvesting program - 'Jalayagnam', sinks" : News roundup (16-23 September 2010)
News roundup for week ending 23 September 2010 featuring the failure of Andhra's mammoth water harvesting program, 'Jalayagnam' and other stories. Posted on 24 Sep, 2010 10:29 AM

Agriculture/Watershed Development

Visualizing Bangalore temperature
An app to visualise temperature of different regions Posted on 23 Sep, 2010 11:22 AM

I Love Bangalore

I was going through weather data exposed by India Water Portal and I was thinking about an interesting application which would show my love to Bangalore. The best part of Bangalore is its temperature, rains and clouds. So I wrote this small app which uses the data provided by India Water Portal (which in turn is by CRU). IWP has data for all the districts in India, for every month and for multiple parameters. They have data for 100 years. It quite an amount of data to play with if you are interested. They have an easy way of filtering and downloading.

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