Podcast
Questions and Answers
What does water sky refer to?
What does water sky refer to?
- Dark banks on high altitude clouds signaling ice hazards
- Reflective spots on clouds suggesting fog ahead
- Dark spots on low clouds indicating open water below (correct)
- Bright patches on low clouds indicating presence of icebergs
In what conditions is the indication of water sky less evident?
In what conditions is the indication of water sky less evident?
- When the clouds are very low
- When the air is clear (correct)
- During the day
- During periods of poor visibility
What does the absence of iceblink in some sectors of the horizon at night suggest?
What does the absence of iceblink in some sectors of the horizon at night suggest?
- Visibility of ice hazards
- Presence of open water (correct)
- Approaching fog
- Thick ice cover
How does dark spots in fog differ from water sky as an indicator?
How does dark spots in fog differ from water sky as an indicator?
What does a dark bank on a high altitude cloud suggest according to the text?
What does a dark bank on a high altitude cloud suggest according to the text?
Why is close-range detection of ice hazards considered important according to the text?
Why is close-range detection of ice hazards considered important according to the text?
What percentage of open water is present in August?
What percentage of open water is present in August?
What does the sound of sea breaking or thunderous sounds indicate when heard far from land?
What does the sound of sea breaking or thunderous sounds indicate when heard far from land?
Which ice thickness category shows the most significant seasonal change between December and March?
Which ice thickness category shows the most significant seasonal change between December and March?
How do icebergs appear during the daytime in fog?
How do icebergs appear during the daytime in fog?
At night, on a clear moonless night, how far away can icebergs be visible?
At night, on a clear moonless night, how far away can icebergs be visible?
Why does the amount of ice greater than 1.0 m show very little seasonal variability?
Why does the amount of ice greater than 1.0 m show very little seasonal variability?
What is an indication of sea ice presence under clear daylight conditions?
What is an indication of sea ice presence under clear daylight conditions?
What is 'ice blink' considered as when detecting ice in open waters?
What is 'ice blink' considered as when detecting ice in open waters?
How can the presence of ice be inferred when the swell starts to lessen or the sea quickly smoothens?
How can the presence of ice be inferred when the swell starts to lessen or the sea quickly smoothens?
Where can comprehensive information on ice for OOW be found?
Where can comprehensive information on ice for OOW be found?
What is an indication of an iceberg located to windward when far from land?
What is an indication of an iceberg located to windward when far from land?
What is the purpose of the 'Ice Glossary' mentioned?
What is the purpose of the 'Ice Glossary' mentioned?