eastern region oil spill disaster contingency plan - Indian Coast Guard

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maximum temperature is 6ْ Deg C to 7ْDeg C above normal it is termed as
Moderate Heat Wave. If the maximum temperatures is 8ْ degree Celsius on
more above normal, it is known as Serve Heat Wave.
(b) Areas of Occurrence. The heat wave generally occurs in north
India and even the interior areas mostly come under the grip of heat
waves. The coastal areas, J & K East up East Madhya Pradesh, Punjab,
Haryana and Bihar are the most favorable regions for the occurrence of
the heat waves every year. Lakshadweep Bay Islands, Kerala Coastal
Karnataka are generally not affected by heat wave.
(c) Frequency. The Frequency of heat waves is maximum.
During the month of June, but it is quite significant in the month of May
too. While 54% of heat waves occur in June, their frequency is only 10%
during the month of May. During the period from 1911 to 1967, the
coastal areas of Andhra Pradesh experienced 4 and 13 severe heat waves
during the month of May and June respectively. As the SW Monsoon
advances, the activity of heat waves also shifts from eastern to western
part of the country.
d) Duration. The normal duration of heat waves over the country is
not more than 4-5 days, but they may not last for more than 1 or 2 days
in a region. However the only exception is the Bihar Plateau where sever
heat wave may last as long 4 to 5 days.
38. General Weather Summary. May is the hottest month of the year
along the whole of the East Coast of India and the highest day temperatures are
recorded in may parts of the country during the month. Consequently the heat
waves sweep over many parts of India, including coastal Andhra Pradesh.
Weather is generally fair becomes cloudy towards evening. The clouds during the
month of May are generally of cumulus type; develop into the thunder clouds
(CB) by afternoon/evening hours. The rainfall which occurs in association with
the thunderstorms activity is generally isolated/scattered over the area.
39. Currents Off East Coast. The general Pattern of currents over Bay of
Bengal during the month of May is influenced by setting in and strengthening of
SWly winds. The surface water current in May mainly follow NE-ENEly direction
the average speeds of the currents are 0.5 and 0.75. in the open sea, the