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Control of Industrial Major Accident Hazards (CIMAH) Report Page 26
Ranhill SAJ Sdn. Bhd. Revision 01
Part D: Information on the Potential Major Accident Date Aug 2019

D.4.0 METEOROLOGICAL CONDITION

Information about the prevailing meteorological conditions in the vicinity of
the site

The prevailing meteorological condition for KT1 & KT2 WTP is based on the
published Malaysian Meteorological Department data recorded at Malacca
International Airport generated from Iowa Environmental Mesonet website. This is
the nearest meteorological data station and is assumed to be representative. The
key parameters of the meteorological condition are summarized below.

D.4.1 Temperature and Humidity

The monthly average daily temperature and relative humidity data from September
2018 to August 2019 shows in Table D.4.1 below.

Year 2018 2019
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug
Daily
Average
Temperature 27.6 28.0 28.2 27.9 28.2 29.1 29.2 29.1 28.1 28.1 28.1 28.3
o
( C)
Average
Relative
Humidity 82.5 82.6 83.6 84.1 78.0 74.9 72.9 78.1 76.7 81.9 79.7 78.6
(%)
Source: Meteorological Department Malaysia & Iowa Environmental Mesonet
Table D.4.1: Monthly Temperature and Humidity

D.4.2 Wind

st
st
The wind rose summary from 1 July 2014 to 31 August 2019 is shown in Figure
D.4.2 which indicated the wind from the north-east is the prevailing wind. The period
of calm accounts for 48.6% of the time.