15. Sources of Weather Information Available to Ships

Question 1

Term

Answer 1

Definition

Question 2

Barometer

Answer 2

Measures atmospheric pressure, critical for forecasting weather changes at sea.

Question 3

Satellite Communications (SATCOM)

Answer 3

Enables reception of weather information via satellite links, crucial for obtaining real-time data.

Question 4

Weather Routing Services

Answer 4

Provides optimized navigation routes based on weather forecasts to ensure safe and efficient voyages.

Question 5

Weather Fax (WEFAX)

Answer 5

Transmits meteorological charts and forecasts via HF or satellite communications, essential for onboard weather planning.

Question 6

High Frequency (HF) Radio

Answer 6

Used to receive voice weather broadcasts, navigational warnings, and storm alerts from coastal radio stations.

Question 7

Automatic Identification System (AIS)

Answer 7

Assists in navigation and collision avoidance but can relay meteorological information affecting navigation.

Question 8

VHF Radio

Answer 8

Facilitates reception of local weather updates and safety information from nearby stations or other ships.

Question 9

Internet Services

Answer 9

Provides access to comprehensive global and local weather databases and real-time updates via onboard satellite internet systems.

Question 10

Global Maritime Distress and Safety System (GMDSS)

Answer 10

Includes safety information broadcasts containing weather updates crucial for safety at sea.

Question 11

NAVTEX

Answer 11

Receives navigational and meteorological warnings as text messages, specifically designed for ships’ safety.

Question 12

Sailing Directions

Answer 12

Publications that include climatic conditions and oceanographic data relevant to specific sea routes and regions.

Question 13

Pilot Charts

Answer 13

Contain meteorological and oceanographic information summarized monthly or seasonally for ocean navigation.

Question 14

Oceanographic Data Stations

Answer 14

Fixed stations providing data on sea conditions, transmitted to ships via various communication channels.

Question 15

Tropical Cyclone Advisory

Answer 15

Specific alerts issued for tropical cyclones, including forecasts and expected movements.

Question 16

Ice Patrol Services

Answer 16

Provide information about icebergs and ice conditions in shipping lanes, crucial for route planning in polar regions.

Question 17

Marine Meteorological Journals

Answer 17

Printed or electronic publications that document and forecast marine weather conditions.

Question 18

Hydrographic Office Reports

Answer 18

Official reports offering detailed weather and sea condition forecasts affecting navigational safety.

Question 19

Coastal Weather Stations

Answer 19

Stations located along the coast that monitor and broadcast local maritime weather conditions.

Question 20

Maritime Safety Information Broadcasts

Answer 20

Safety messages that include weather forecasts, navigational warnings, and emergency information.

Question 21

Storm Warnings

Answer 21

Alerts regarding severe weather conditions that could impact maritime operations.

Question 22

Synoptic Weather Maps

Answer 22

Provide a comprehensive view of the weather over a wide area at a given time, useful for planning and navigation.

Question 23

Sea State Reports

Answer 23

Information about wave and swell conditions, important for vessel stability and cargo safety.

Question 24

Almanacs

Answer 24

Publications containing solar, lunar, and astronomical data used in conjunction with weather forecasting.

Question 25

Atmospheric Pressure Trends

Answer 25

Observations and forecasts about changes in atmospheric pressure, key indicators of impending weather changes.

Question 26

Cloud Cover Reports

Answer 26

Information on the extent and type of cloud cover, which can affect solar radiation and sea temperatures.

Question 27

Wind Speed and Direction Forecasts

Answer 27

Crucial data for adjusting ship speed and course to improve safety and efficiency.

Question 28

Precipitation Forecasts

Answer 28

Predictions about rainfall or snow, which can affect visibility and sea conditions.

Question 29

Temperature Forecasts

Answer 29

Data on air and sea temperatures, important for engine cooling systems and climate control on board.

Question 30

Visibility Forecasts

Answer 30

Estimates of visibility affected by fog, rain, or other factors, vital for navigation and safety.

Question 31

Ocean Currents Data

Answer 31

Information on prevailing ocean currents that can impact ship routing and fuel consumption.