eastern region oil spill disaster contingency plan - Indian Coast Guard

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off south Andhra Pradesh coast are Southerly 0.5 to 0.75 Kts the currents off
North Andhra Pradesh and Orissa coast are SW/SSW-IY 0.25 to
December
60. General. December is the last month of the northeast monsoon season.
The synoptic features of December are generally same as that of November.
However, in the month of December the seasonal low pressure area further
shifts southwards and the Northeast Monsoon activity is mainly restricted to
South Bay. The temperature field over the North Bay follows the decreasing
trend and with the result, the frequency of morning fog and have will increase.
Northeasterly winds blow over the entire Bay except over the extreme parts of
South Bay where the Westerly component of wind is more prevalent. The rainfall
activity is generally confined to south Coastal Tamil Nadu and southern parts of
South Bay.
61. Depressions and Cyclonic Storms. There is an appreciable
decrease in the frequency of storms from November to December. Most of the
storms originate over the Southwest Bay of Bengal between 5 Deg North and 10
Deg North. Those which originate over the southwest Bay more initially in
northwest direction and later recurve towards Northeast. During their
northeasterly course, they show a tendency to weaken and dissipate.
62. Currents off Orissa Andhra Pradesh and Tamil Nadu. Coastal
Currents off Orissa and Andhra are generally Southerly with how strength of 0.5
to 0.5 knot which increases to 1 foot off Tamil Nadu Coast.