Today, the 30.09.2011 the SWM 2011 comes to an end. Statistical compilation will be done from 01.06.2011 to 30.09.2011 for any SWM season. As such the rainfall for TN& PDY sub division for this SWM 2011 is 30.1 cm [actual] against 32.1cm [normal]. This leads to [-] 6 % departure from normal. This comes again NORMAL category. Ariyalur, Dharmapuri, Dindigul, Kanyakumari, Karur, Krishnagiri, Madurai, Namakkal, Tirunelveli, Thoothukudi and Virudunagar districts reported deficient rainfall. Some of the south and interior Tamilnadu is NOT blessed by SWM 2011. The actual NEM 2011 may be expected around third week of October 2011. [USUAL - NORMAL TIME] But it is too early to predict NEM for TN. However some of the factors which ARE NOT favoring for bountiful monsoon for TN may be
- Creeping of pressure system near Indonesia.
- Dominant but relatively less active west central bay (east central Bay) and Less vigorous Andaman sea and its neighborhood.
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