“The main focus of storms – north east India, northern parts of Bangladesh and eastern parts of Nepal.... The rainfall suppressed a little bit on Wed and Thursday but there are signs that we could see it (the rainfall) intensifying further and through the coming days, taking us into the week we could see as much as 90cm of fresh rain around this sort of region which will of course cause widespread flooding....”
Excerpt from IMetD All India Weather Bulletin (19Aug2014-midday)
Meteorological Analysis (based on 0830 hours IST)
· The axis of monsoon trough at mean sea level runs close to the foothills of Himalayas.
· The upper air cyclonic circulation over northern parts of West Bengal and Sikkim
and neighbourhood has become less marked. However, a trough extends from SubHimalayan West Bengal; Sikkim to south Chhattisgarh across Bihar extends upto 1.5 km above mean sea level.
19 August (Day 1): Heavy to very heavy rainfall would occur at isolated places over South Interior
Heavy rainfall would occur at isolated places over Assam; Meghalaya,
Arunachal Pradesh, Tamilnadu; Puducherry and Lakshadweep.
20 August (Day 2):
Heavy rainfall would occur at isolated places over Sub Himalayan West Bengal; Sikkim, Assam; Meghalaya, Arunachal Pradesh, Tamilnadu; Puducherry, North Interior Karnataka, South Interior Karnataka and Lakshadweep.
21 August (Day 3): Heavy to very heavy rainfall would occur at isolated places over Sub Himalayan West Bengal; Sikkim.