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Saturday, October 1, 2011

Southwest Monsoon withdrawing- LEFT GREAT MOISTURE.

Southwest Monsoon withdrawn from Northwest India and Adjoining Central India

Monsoon will withdraw with scattered rain/thundershowers over south Peninsula during next week and northeastern states will have isolated rain during first half of the week and thereafter it will withdraw. Monsoon would withdraw from remaining parts of central India and some parts of east India. Mainly dry weather would prevail over northwest India and central India. During 8-14 October, Further withdrawal of southwest Monsoon is likely from remaining parts of east India and some parts from northeast India where as scattered rainfall is likely to continue over south Peninsula.

Current synoptic conditions as on today suggests that a north-south trough extends from Assam & Meghalaya to south Tamilnadu across western parts of Bay of Bengal. An upper air cyclonic circulation lies over interior Tamilnadu and neighbourhood in lower levels persists. Dry northwesterly winds are prevailing over northwest and central India in lower levels.

This years Seasonal Rainfall Scenario for the country so far up to 28 September has been 2% above LPA. Out of 36 meteorological subdivisions, the rainfall has been excess over 8, normal over 25 and deficient in 3 (over east & northeast India) sub-divisions. In area wise distribution, 92% area of the country received excess/normal rainfall. 459 (76%) out of 603 districts of the country have received normal to excess rainfall.

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