Current Status 0f Monsoon 2009

24th June, 2009

ONSET AND ADVANCE OF

MONSOON 2009

Monsoon normally sets in over Kerala on

June 1 and covers entire country by

July 15

The NLM as on today passes through Bhuj, Baroda, Nasik,

Solapur, Hyderabad,

Kalingapattinam, Paradip, Bankura

and Gangtok.   

Monsoon Delayed

RAINFALL

Normal monsoon rainfall features

Month Normal Rainfall (cm) % of Seasonal rainfall

June 16.3 18.2

July 29.3 32.9

August 26.2 29.3

September 17.5 19.6

All India 89 100

Rainfall upto June 23,2009

Regions Rainfall

Actual Normal % Departure

Country as a whole 50.4 108.4 -53

Northwest India 20.9 38.6 -46

Central India 24.4 97.5 -75

South Peninsula 83.8 111.9 -25

North East India 121.0 261.8 -54

FORECAST FOR NEXT ONE WEEK

Good convection

over parts ofArabian Sea

& Bay of Bengal

A LOPAR lying over

Gujarat

Another developing over Bay of

Bengal

Current observations and forecasts

suggest Monsoon will advance over most parts of

country except

Northwest India by June

end.

30 June

June rainfall vs seasonal rainfallDuring the Year from 1901 to 2000 (100 years) –

16 years of deficient June ( deficiency of more than 27%)

The corresponding JJAS rainfall statistics are

a) 5 years deficient JJAS ( negative departure -10% or more) - Deficient

b) 5 years with negative departures ( negative departure upto -10%) - Normal

c) 5 years with positive departures (positive departure less than 10%) - Normal

d) year with positive departure (10% or more) - Excess

(No 1:1 relation between June and seasonal rain)

Thank You