Meteorology (MET)

• DGS EXAMINATION FORMAT

• Introduction

• The Meteorological Elements

• Shipborne Meteorological Instruments

• Aneroid Barometer and Barograph

• Hygrometer and Stevenson’s Screen

• Whirling Psychrometer

• Wind Sensors (Anemometer)

• Sea Water Temperature Bucket

• The Atmosphere, its Composition and Physical Properties

• Troposphere and Tropopause

• Stratosphere and Stratopause

• Mesosphere and Mesopause

• Thermosphere

• Insolation and Water vapour

• Evaporation and Condensation

• Latent Heat and Dew Point

• Effect of Dew point on ship

• Absolute Humidity, Relative Humidity and Vapour Pressure

• Atmospheric Pressure

• Definition of Pressure

• Change of Pressure with Height

• Average Pressure

• Isobar, Isallobar and Barometric Tendency

• Wind

• Beaufort Scale of Wind Force

• Pressure Gradient Force

• Coriolis Force

• Buys Ballot’s Law

• Apparent and True Wind and its Vector Calculation

• Cloud and Precipitation

• Formation of Clouds

• Different Types of Clouds and Classification of Clouds

• Precipitation

• Drizzle, Hail, Snow and Sleet

• Visibility

• Formation of Fog, Mist and Haze

• Different Types of Fog

• Effect of Fog, Mist, Haze and other Meteorological Conditions

• Climatology

• Wind and Pressure Systems Over the Oceans

• Mean Surface Pressure and Wind Distribution

• Doldrums and Inter-tropical Convergence Zones

• Westerlies and Polar Easterlies

• Monsoons

• Land and Sea Breezes

• Anabatic and Katabatic Winds

• Other local winds

• Sea and Swell

• Sea Waves, swell and storm surge

• Tsunami and Bore Tides

• Interpreting the Wind Rose

• Weather Systems

• Structure of Depressions

• Air Mass and Source Region

• Warm Front and Cold Front

• Pressure systems

• Tropical Revolving Storm (TRS)

• Weather Reports and Forecasting

• Weather Information Available to Shipping

• Weather Routing Services

• Meterological Offices

• Weather Facsimile Receiver

• Digital Weather Receivers

• Recording and Reporting Weather observations

• Meteorological Codes

• Coding and Decoding of Weather Messages

• Weather Forecasting

• Forecasting the Weather

• Interpretation of Symbols and Isobaric Patterns on Weather Charts and Facsimile Chafts

• Identify the Weather Associated with Synoptic Features