As could be observed from the graph above,
usually IMD forecasts tend to be conservative and the actual are usually better
their forecasts. This maybe more true this year. Last week alone recorded 25%
rainfall above normal. Further, many climatic institutions including the IMD
have confirmed high possibility for a late monsoon withdrawal phenomenon.
Usually the SW Monsoon starts withdrawing by late August and terminates by
mid-September. This year its withdrawal
is only expected to start by end of September and terminate only earliest by
second week October due to the La Nina effect. Last year too the SW Monsoon
demonstrated the same pattern. By now, there is unanimity too that the La Nina
will be a strong one. The only speculation is how strong? Is it strong enough
to be a super-La Nina? Accordingly, there is an increased likelihood of actual
rainfall for the entire season finally hovers around 105-106%, if not more, of
its LPA.
[Late monsoon withdrawal and delayed start of
NE Monsoon could be best news for the Delhi Commonwealth Games after a string
of all kinds of bad news. This does not mean there would be no rains. It only
means that it would likely to be of the low intensity kind. ]
Atmospheric scientists usually define a
normal monsoon as one where the nationwide rainfall from June to September is
within 10 per cent of the long period average for the season; a rainfall
deficit of more than 10 per cent is taken as a drought. By that definition, the
south-west monsoon has been normal 70 per cent of the time over the last
130-odd years. There has been a drought in only about 16 per cent of the years.
There have been droughts in two successive years on just three occasions.
Moreover, thus far whenever a drought involved a rainfall deficit of 20 per
cent or more, as happened last year, the subsequent monsoon has invariably been
normal. We experience excess rainfalls roughly less than 14% of all years.
Droughts and excess rainfall are accordingly
part of the monsoons normal variability. More over there is almost one-one
correlation between droughts and El Nino on one hand and excessive rains with
La Nina on the other hand. The intensity of deficient or excessive rains will
however depend on the respective strength of the ENSO phenomena (El Nina or La
Nina). By tracking the strength of ENSO we accordingly able to forecast how
good or bad the monsoon rainfall could be.
The dangers of overlooking El Nino-Southern
Oscillation (ENSO) in monsoon prediction could be illustrated in the
contrasting performance of the IMD’s monsoon forecast for 2009-10 and 2010-11
respectively. Last year, the IMD has been predicting a normal monsoon during
the June-September season since early March. The IMD took a cautious stand over
the World Meteorological Organisation’s (WMO) projection of a ‘poor monsoon’
due to a probable ‘El Nino’ impact. The IMD did not agree with WMO’s
projections, saying, “El Nino and the
progress of monsoon are not mutually exclusive events”, and remained
non-committal over its earlier projection of a “normal monsoon” for the
June-September 2009 season. The result was they ended with mud on their faces
when the rainfall recorded a - 22% departure from LTA. This year they factored
the La Nina to predict normal rainfall, and came out winners, despite their
conservative projections of a normal rainfall instead of an above average one.
Avoid the lies of Greenpeace, WWF and climate
staff of the likes of Christian Aid, Oxfam, Action Aid, CARE etc. They are
trained to use communication techniques of Joseph Goebbels designed to keep you
in perpetual ignorance of weather and climate issues. You need not be a climatologist to predict
drought in an El Nino year or above average rainfall during La Nina year. Both
the phenomena is entirely natural and nothing to do with carbon emissions.
If you have any doubt, take courage from this
blog administered by non-climatologists. As back as April 15th this year, we
warned in our posting Heat Wave as Evidence of Climate Change? When Will NGOs
Stop Telling Half Lies? This was written as a reaction to a statement released
by the Centre for Science & Environment (CSE) in April this year linking
global warming to the El Nino induced heatwave in India. We stuck our necks out
to predict the following:
"But the good news for Indians that at last we
have the El Niño off our backs....We are probably due to early monsoons (its
usual arrival time is first week of June); above average rains (which means
floods and cyclones in many areas) that should catapult our agricultural growth
between 3-4%, translating in an overall growth, in and around double digits
with food commodity inflation poised to plunge significantly....
Assuming the global markets remain stable,
the Mumbai Sensex and the Nifty this Diwali will see a new high that in turn
will see the urban middle class who dabble with equity having more money in
their hands. Those NGOs involved in sustainable agriculture should be preparing
to take advantage of such a prospect. Those NGOs involved with humanitarian
work can use the next one month as lead time to undertake flood and cyclone
relief activities."
How accurate had been these predictions? Well
the monsoon onset was almost one week early,
as on date, the monsoons are above average, huge swathes of India has been inundated by
floods, though it is still early days
for cyclone as the period just kicked off. We are expecting an all time record
crop, with agriculture poised to mostly clock a 5-6% growth rate, because of a strong La Nina. Stock
markets are buoyant and inching towards the previous all time high, and if
there is no bad news globally, the Mumbai Sensex will scale a new high next
month by Diwali. Food inflation has already dipped and would plunge rapidly in
the months ahead as agriculture only needs to grow at least 4% to keep inflation at check, and this year's growth
rate is likely to be well above this.
Sadly, most NGOs obsessed with delivering
apocalyptic messages did not take advantage of increased precipitation over
country to boost agricultural production of small and marginal farmers. With
good rains, fresh water comes up and saline water goes down. So Rabi
(winter-sown) crops can be expected to achieve an all time bumper production as
well. States in Eastern India like West
Bengal, Orissa, Jharkhand etc who till now received deficient rainfall, can be
expected to narrow this deficit and their Kharif (summer) crop deficit can be
attempted to be made up. So NGOs
involved with agriculture development can still have an opportunity to play a
meaningful role, if they have missed the opportunity during the Kharif season.
We see no danger yet of any evidence of the
scenario painted by the IPCC report and quoted by Greenpeace and other NGOs
repeatedly:
That the Indian monsoons are going to undergo
gross changes as a direct result of climate change – rainfall will increase by
~ 20 per cent overall in the summer monsoon, but the distribution of this
increase will not be evenly spread across the country.
Wolfgang Lohbeck, a Greenpeace’s transport expert was interviewed by Stern publication, and talks about electric cars and how they will influence the future.
ReplyDeleteHe said that electric vehicles are a big failure.
The lack of subsidies is the biggest obstacle in their use, as building a network of stations for electric cars is very difficult.
By contrast, Wolfgang Lohbeck believes that public transport would need improvements.
“The future belongs to new things,” said Greenpeace representative at the end of the interview.