Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 0? |
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Definition
The Beaufort wind scale expressed as:
Knots - under 1
Mph - under 1
Km/hr - under 1 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 1? |
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Definition
The Beaufort wind scale expressed as:
Knots - 1-3
Mph - 1-3
Km/hr - 1-5 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 2? |
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Definition
The Beaufort wind scale expressed as:
Knots - 4-6
Mph - 4-7
Km/hr - 6-11 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 3? |
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Definition
The Beaufort wind scale expressed as:
Knots - 7-10
Mph - 8-12
Km/hr - 12-19 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 4? |
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Definition
The Beaufort wind scale expressed as:
Knots - 11-16
Mph - 13-18
Km/hr - 20-28 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 5? |
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Definition
The Beaufort wind scale expressed as:
Knots - 17-21
Mph - 19-24
Km/hr - 29-38 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 6? |
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Definition
The Beaufort wind scale expressed as:
Knots - 22-27
Mph - 25-31
Km/hr - 39-49 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 7? |
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Definition
The Beaufort wind scale expressed as:
Knots - 28-33
Mph - 32-38
Km/hr - 50-61 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 8? |
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Definition
The Beaufort wind scale expressed as:
Knots - 34-40
Mph - 39-46
Km/hr - 62-74 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 9? |
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Definition
The Beaufort wind scale expressed as:
Knots - 41-47
Mph - 47-54
Km/hr - 75-88 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 10? |
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Definition
The Beaufort wind scale expressed as:
Knots - 48-55
Mph - 55-63
Km/hr - 89-102 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 11? |
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Definition
The Beaufort wind scale expressed as:
Knots - 56-63
Mph - 64-72
Km/hr - 103-117 |
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Term
| What is the wind speed in knots, mph, and km/hr at Beaufort Number 12? |
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Definition
The Beaufort wind scale expressed as:
Knots - 64 and greater
Mph - 73 and greater
Km/hr - 118 and greater |
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Term
| What is the World Meteorological Organization description at Beaufort Number 0? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 1? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 2? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 3? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 4? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 5? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 6? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 7? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 8? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 9? |
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Definition
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Term
| What is the World Meteorological Organization description at Beaufort Number 10? |
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Definition
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Term
| What is the World Meteorological Organization desc1ription at Beaufort Number 11? |
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Definition
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Term
| What is the World Meteorological Organization desc1ription at Beaufort Number 12? |
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Definition
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Term
| What are the effects observed at sea at Beaufort number 0? |
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Definition
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Term
| What are the effects observed at sea at Beaufort number 1? |
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Definition
| Ripples with appearance of scales: no foam crests. |
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Term
| What are the effects observed at sea at Beaufort number 2? |
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Definition
| Small wavelets: crests of glassy appearance, not breaking. |
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Term
| What are the effects observed at sea at Beaufort number 3? |
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Definition
| Large wavelets, crests begin to break: scattered whitecaps |
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Term
| What are the effects observed at sea at Beaufort number 4? |
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Definition
| Small waves 0.5-1.25 meters high, becoming longer: numerous whitecaps |
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Term
| What are the effects observed at sea at Beaufort number 5? |
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Definition
| Moderate waves of 1.25-2.5 meters taking longer form: many whitecaps, some spray |
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Term
| What are the effects observed at sea at Beaufort number 6? |
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Definition
| Larger waves 2.5-4 meters forming: whitecaps everywhere, more spray |
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Term
| What are the effects observed at sea at Beaufort number 7? |
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Definition
| Sea heaps up, waves 4-6 meters: white foam from breaking waves begins to be blown in streaks |
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Term
| What are the effects observed at sea at Beaufort number 8? |
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Definition
| Moderately high (4-6 meter) waves of greater length: edges of crests begin to break into spindrift, foam is blown in well-marked streaks. |
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Term
| What are the effects observed at sea at Beaufort number 9? |
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Definition
| High waves (6 meters), sea begins to roll: dense streaks of foam, spray may reduce visibility |
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Term
| What are the effects observed at sea at Beaufort number 10? |
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Definition
| Very high waves (6-9 meters) with overhanging crests: sea takes a white appearance as foam is blown in very dense streaks, rolling is heavy and visibility is reduced. |
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Term
| What are the effects observed at sea at Beaufort number 11? |
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Definition
| Exceptionally high (9-14 meters) waves: sea covered with white foam patches, visibility still more reduced. |
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Term
| What are the effects observed at sea at Beaufort number 12? |
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Definition
| Air filled with foam, waves 14 meters: sea completely white with driving spray, visibility greatly reduced. |
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Term
| What are the effects observed near land at Beaufort number 1? |
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Definition
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Term
| What are the effects observed near land at Beaufort number 2? |
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Definition
| Small sailboat just has steerage way |
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Term
| What are the effects observed near land at Beaufort number 2? |
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Definition
| Wind fills the sails of small boats which then travel at about 1-2 knots |
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Term
| What are the effects observed near land at Beaufort number 3? |
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Definition
| Sailboats begin to heel and travel at about 3-4 knots. |
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Term
| What are the effects observed near land at Beaufort number 4? |
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Definition
| Good working breeze, sailboats carry all sail with good heel |
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Term
| What are the effects observed near land at Beaufort number 51? |
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Definition
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Term
| What are the effects observed near land at Beaufort number 6? |
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Definition
| Sailboats have double reefed mainsails |
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Term
| What are the effects observed near land at Beaufort number 7? |
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Definition
| Boats remain in harbor, those at sea heave-to |
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Term
| What are the effects observed near land at Beaufort number 8? |
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Definition
| All boats make for harbor, if near |
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Term
| What are the effects observed near land at Beaufort number 9-12? |
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Definition
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Term
| What are the effects observed on land at Beaufort number 0? |
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Definition
| Calm; smoke rise vertically |
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Term
| What are the effects observed on land at Beaufort number 1? |
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Definition
| Smoke drift indicates wind direction, vanes do not move |
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Term
| What are the effects observed on land at Beaufort number 2? |
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Definition
| Wind felt on face; leaves rustle, vanes begin to move |
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Term
| What are the effects observed on land at Beaufort number 3? |
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Definition
| Leaves, small twigs in constant motion; light flags extended |
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Term
| What are the effects observed on land at Beaufort number 4? |
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Definition
| Dust, leaves, and loose paper raised up, small branches move |
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Term
| What are the effects observed on land at Beaufort number 5? |
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Definition
| Small trees in leaf begin to sway |
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Term
| What are the effects observed on land at Beaufort number 6? |
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Definition
| Larger branches of trees in motion, whistling heard in wires |
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Term
| What are the effects observed on land at Beaufort number 7? |
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Definition
| Whole trees in motion, resistance felt in walking against wind |
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Term
| What are the effects observed on land at Beaufort number 8? |
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Definition
| Twigs and small branches broken off trees, progress generally impaired |
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Term
| What are the effects observed on land at Beaufort number 9? |
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Definition
| Slight structural damage occurs, slate blown from roofs |
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Term
| What are the effects observed on land at Beaufort number 10? |
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Definition
| Seldom experienced on land, trees broken or uprooted, considerable structural damage occurs |
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Term
| What are the effects observed on land at Beaufort number 11? |
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Definition
| Very rarely experienced on land, usually accompanied by widespread damage |
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Term
| What are the effects observed on land at Beaufort number 12? |
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Definition
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