The low pressure area over southwest Bay of Bengal and neighborhood would move westwards and become more marked during next 12 hours.
The western disturbance as a trough in mid level westerlies along Long.60.0°E and north of Lat.25.0°N would move eastwards towards the western Himalayan region during next 24 hours. Rain/thundershowers would occur at a few places over Tamilnadu during next 24 hours and at many places thereafter.