“Not just an unusually hot summer, it’s climate change’, warns Harsh Vardhan

By: | Published: June 3, 2015 9:16 AM

Union Minister for Earth Sciences Dr. Harsh Vardhan has cautioned against complacency towards climate change and described the ongoing extreme heat and back-to-back deficient monsoon phenomenon as manifestations of climate change.

Union Minister for Earth Sciences Dr. Harsh Vardhan has cautioned against complacency towards climate change and described the ongoing extreme heat and back-to-back deficient monsoon phenomenon as manifestations of climate change.

While dedicating the country’s high performance computing (HPC) facility -named “Bhaskara” at the National Centre for Medium Range Forecasting (NCMRWF) — in Noida on Tuesday, Dr. Harsh Vardhan told media that the second stage long range forecast of monsoon has been prepared and it indicates that rainfall for the country as a whole is likely to be deficient with 88± four percent of Long Period Average.

“World leaders are already speaking out on the link between freaky weather and climate change. So, let us not fool ourselves that there is no connection between the unusual number of deaths from the ongoing heat wave and the certainty of another failed monsoon,” said Dr. Harsh Vardhan.

He recalled President Obama’s candid statement on the three-year-running drought in California which has ruined that state’s fruit crop.

“I am a man of science and cannot be blind to the fact that both the south-west and north-east monsoons failed in 2014. For 2015, today the IMD’s prediction of an overall 93 percent probability of a weak

monsoon is a worrying cause for all of us. The onset has been delayed by a week already and there is no certainty on when the ideal parameters will be in place for the monsoon to arrive,” Dr Harsh

Vardhan said.

He pointed out that the Indian monsoon is known to be heavily dependent on oceanic, atmospheric and land surface conditions. The drastic changes brought about through change of the character of land

and resultant atmospheric pollution are definitely influencing the monsoon.

Dr Harsh Vardhan remarked, “Scientists till now had not considered the local implications of global change. Think global act local is happening now.”

The Ministry of Earth Sciences has acquired cutting edge capacity for predicting monsoons. Recently a polar remotely operated vehicle (PROV) was put to work in the glaciers of northern Antarctica as it is

acknowledged that through the reading of currents there it is possible to understand the south-west monsoon better.

“Bhaskara”, which is housed in the National Centre for Medium Range Forecasting (NCMRWF), is a part of the Earth System Science Organisation of the Ministry of Earth Sciences.

It will considerably enhance prediction capabilities like tropical cyclones, heavy rainfall events, cloud burst events and monsoon, using very high resolution regional models.

While pointing out that global agencies have predicted that drought conditions might grip especially the western states Dr. Harsh Vardhan said that the government is seized of the situation and is putting in place adequate measures.

“I am aware that the reliability of weather forecasting is gradually improving now. However, in coming years it will improve further with development of new technologies and its effective use. The increased uncertainty associated with the prediction is in itself a sign of climate change,” the Minister admitted.

“Bhaskara” shall also boost the computing requirements of all ESSO institutions. The present augmentation shall enable ESSO-NCMRWF to provide very high resolution 10 days deterministic weather forecasts and probabilistic forecasts from a 44 member ensemble prediction system within the generally accepted time window of about five hours from the standard observation time.

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