East Pakistan has an area of 55126 square miles • Out of this ,
about 8,800 square miles comprising part of Chittagong, Noajchali
Patuakhali, Barisal and Khulna Districts including all Off-shore
Islands come under the Cyclonic Belt and Tidal bore zone • As per 1961
Census , the population of these five Districts is 96,27,843 • A part
of this population is being affected every year by the Cyclone and tidal
Lore more frequently since i960 . On the black 12th November, the
cyclone and tidal waves struct 14 Police Stations of these Coastal
Districts inhabited by about 31 Lakhs of people spread over 2600 square
miles of area causing lakhs to die and damage to property including
live-stock worth crores of Rupees ( not yet fully estimated ).
The Bay of Bengal is one of the World’s great producers of
tropical storm . This Bay produces regularly about half a dozen of
Cyclones in a year • All are not equally serious, but one out of six
hits with full force • The structure , size and speed of these cyclones
are well known t0;he meteorologists . The Geography of the Bay of Bengal
is such that the effect of these Cyclones is magnified in the form of
tidal bore • The shape o^4his Bay is just like a funnel and the sea
bed over which it passes, gradually shallows to the broken coast lines .
So the cyclone moving towards north here produces the biggest wave in
the world which ultimately hit the coast line of the Bay. of .Bengal…