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Three scant weeks of monsoon 2012

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Rainfall over India for the season (right) till mid-June 2012, and a week (left). Too many reds and yellows for this time of June. Graphic: IMD

Three weeks into monsoon 2012 and we are seeing growing rainfall deficits in India. The Indian Meteorological Department, accustomed to sobordinating its forecasting methods to political calculations about the socio-economic impacts of a delayed / below-average monsoon, is still saying the rains are “slightly delayed but not yet a worry for farming”. This is even though its data are pointing to almost all parts of the country having received lower than average rainfall in the first three weeks of June.

“Overall monsoon progress is slightly behind schedule but such delays are usual,” L.S. Rathore, director-general of the India Meteorological Department (IMD), told the media, and for good measure added that there was no cause for concern yet. A national rainfall average has no meaning, as there are 36 meteorological sub-divisions, but even so India has received rains 26% below average so far since the beginning of the season. The Department had forecast an average monsoon in 2012 before the start of the four-month long rainy season in April. Now we await its second official monsoon forecast, due around now.

This seven-day rainfall chart and anomaly chart series shows where monsoon 2012 has failed to reach, and the size of the North Indian and Gangetic dry swathes are indeed worrying:

A seven-day chart series of actual, normal and anomaly rainfall for the third week of June. Charts from IMD

Written by makanaka

June 21, 2012 at 17:01

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