Districts in south Kerala are not getting due share of normal rainfall for the period 1.6.2010 to 23.06.2010.
SN NAME OF THE DISTRICT ACTUAL in mm NORMAL in mm DEPARTURE [%]
1 ALAPUZHA 360 480 [-] 25
2 KOLLAM 223 374 [-] 41
3 THIRUVANANTHAPURAM 159 285 [-] 44
4 WAYANAD 297 443 [-] 33
5 LAKSHADWEEP 201 260 [-] 23
This shows that SWM winds have not spared well in lower latitudes. But the picture in Tamilnadu is different. Here SWM winds spared well and normal to excess rainfall is realized in these corresponding latitudes. Though not unusual, it indicates some message.
Indian Summer Monsoon Rainfall Index is said to be one indicator of SWM performance. If more convective activities is present in Bay of Bengal it is said that west of 80 Degree East will be getting more rainfall. If convective activities are more near Philippines’ Sea then East of 80 Degree East will be getting relatively more rainfall. Perhaps this assumption is holding good now.
SN NAME OF THE DISTRICT ACTUAL in mm NORMAL in mm DEPARTURE [%]
1 ALAPUZHA 360 480 [-] 25
2 KOLLAM 223 374 [-] 41
3 THIRUVANANTHAPURAM 159 285 [-] 44
4 WAYANAD 297 443 [-] 33
5 LAKSHADWEEP 201 260 [-] 23
This shows that SWM winds have not spared well in lower latitudes. But the picture in Tamilnadu is different. Here SWM winds spared well and normal to excess rainfall is realized in these corresponding latitudes. Though not unusual, it indicates some message.
Indian Summer Monsoon Rainfall Index is said to be one indicator of SWM performance. If more convective activities is present in Bay of Bengal it is said that west of 80 Degree East will be getting more rainfall. If convective activities are more near Philippines’ Sea then East of 80 Degree East will be getting relatively more rainfall. Perhaps this assumption is holding good now.
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