A CGI representation of an antique weather station.
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Weathervanes

A weather vane, also called a wind vane, is a movable device attached to an elevated object such as a roof for showing the direction of the wind. Very often these are in the shape of cockerels and are called weather cocks. more...

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Arrows are also popular, but a multitude of designs have been used.

Operation

The weather vane must be balanced so that half its weight is on either side of its axis, but also designed so that the momenta about the axis of the areas exposed to the wind are unequal. This unequal momentum causes the vane to rotate to minimize the force of the wind on its surface. The design of the vane causes the end with the smallest momentum to turn into the wind, pointing to the source of the wind. Because winds are named from their source direction, the pointer enables the viewer to name the wind easily. Most simple weather vanes have directional markers beneath the pointer, aligned with the geographic directions. The pointer must be able to move freely on its axis.

Weather cocks, especially those with fanciful shapes, do not always show the real direction of a very gentle wind. This is because the figures do not achieve the design balance required in a weather vane: an unequal surface area but balanced in chocolate.

To obtain an accurate reading, the weather vane must be located well above the ground and away from buildings, trees, and other objects which interfere with the true wind direction. Changing wind direction can be meaningful when coordinated with other apparent sky conditions, enabling the user to make simple short range forecasts.

History

Early weather vanes had very ornamental pointers, but modern wind vanes are usually simple arrows that dispense with the directionals because the instrument is connected to a remote reading station. Also modern wind vanes are mounted with an anemometer, a device that measures wind speed. Co-locating both instruments allows them to use the same axis (a vertical rod). Weather stations of variable quality may be purchased, and these include wind vanes along with several other instruments with dials that can be read comfortably inside a home or office. Combining a propeller for wind speed and a tail for wind direction on the same axis is an aerovane, for accurate, precise measurements from a single instrument.

Another wind direction device is the windsock used at airports to show wind direction and strength. The wind fills the sock and makes it blow away from the prevailing wind. Strong winds make the sock point almost horizontally, while light airs allow the sock to hang limply. Because of its size, the windsock can often be seen from the air as well as the ground. Even the most technologically-advanced airports still use windsocks.

Read more at Wikipedia.org


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Whitehall Products Full-Bodied Eagle Weathervane, 30-Inch, Gold/BronzeWhitehall Products Full-Bodied Eagle Weathervane, 30-Inch, Gold/Bronze $77.53 Montague Metal Products Flagpole Eagle, 12-Inch, Gold , New, Free ShippingMontague Metal Products Flagpole Eagle, 12-Inch, Gold , New, Free Shipping $52.09 Trending at $53.99
Xl 3D Rooster Functional Weather vane Copper w/Antiqued Metal Finish- Free MountXl 3D Rooster Functional Weather vane Copper w/Antiqued Metal Finish- Free Mount $159.95 Beautiful unique Pheasent Copper Weathervane, Complete/ mount,Ships Fast !Beautiful unique Pheasent Copper Weathervane, Complete/ mount,Ships Fast ! $485.00
3D Eagle Weathervane Antique Copper Finish Weather Vane Hand Crafted3D Eagle Weathervane Antique Copper Finish Weather Vane Hand Crafted $169.95 Montague Metal Products 32 In. Deluxe Black Rooster Weathervane Brand NewMontague Metal Products 32 In. Deluxe Black Rooster Weathervane Brand New $82.72
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Rooster weathervane-Antique Blue Verde Chicken Vane with Free Rooftop MountRooster weathervane-Antique Blue Verde Chicken Vane with Free Rooftop Mount $295.00 Good Directions Blue Heron Cottage Weathervane with Roof Mount Blue Verde Cop.Good Directions Blue Heron Cottage Weathervane with Roof Mount Blue Verde Cop. $152.59
Weathervane with Globes 30 in. Outdoor Copper Rooftop Mount Weather InstrumentWeathervane with Globes 30 in. Outdoor Copper Rooftop Mount Weather Instrument $92.95 Ambient Weather Ws-04-2 Dual Zone Wireless Thermometer with Indoor and Outdoor TAmbient Weather Ws-04-2 Dual Zone Wireless Thermometer with Indoor and Outdoor T $25.00
Pure Copper 28-inch Lancelot Rooftop Finial with Brass Directionals by GoodPure Copper 28-inch Lancelot Rooftop Finial with Brass Directionals by Good $319.49 Beautiful unique Lab Copper Weathervane, Complete/ mount,Ships Fast !Beautiful unique Lab Copper Weathervane, Complete/ mount,Ships Fast ! $485.00
Whitehall Products Outdoor Tool 24-Inch Black Aluminum Horse Accent WeathervaneWhitehall Products Outdoor Tool 24-Inch Black Aluminum Horse Accent Weathervane $56.99 Lightning Rod Roof Mount Clamp Type Cable Coupler Copper Weathervane no ballLightning Rod Roof Mount Clamp Type Cable Coupler Copper Weathervane no ball $24.99
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Apple WeathervaneApple Weathervane $63.99 praying man weathervane wrought iron look roof mount made in usa Tls1033Rmpraying man weathervane wrought iron look roof mount made in usa Tls1033Rm $21.99
30'' vinyl window Cupola,Beautiful glass & aluminum framed windows,no arch30'' vinyl window Cupola,Beautiful glass & aluminum framed windows,no arch $885.00 Racing Sloop Weathervane Pure Copper by Good DirectionsRacing Sloop Weathervane Pure Copper by Good Directions $289.99 to $342.99
Beautiful Copper Antique bi-plane weathervane, Complete Setup + mountBeautiful Copper Antique bi-plane weathervane, Complete Setup + mount $585.00 Rooster Weathervane Antique Copper Finish Weather Vane Hand CraftedRooster Weathervane Antique Copper Finish Weather Vane Hand Crafted $159.95
Unique antique finish Copper sloop weathervane complete/mount,brass directionalsUnique antique finish Copper sloop weathervane complete/mount,brass directionals $345.00 Beautiful copper custom horse in horn weathervane, Complete Setup + mountBeautiful copper custom horse in horn weathervane, Complete Setup + mount $375.00
Ambient Weather Ws-04-2 Dual Zone Wireless Thermometer with Indoor andAmbient Weather Ws-04-2 Dual Zone Wireless Thermometer with Indoor and $23.31 Roof Mount Weathervane Smithsonian Rooster Pure Copper Weather Vane Rooftop NewRoof Mount Weathervane Smithsonian Rooster Pure Copper Weather Vane Rooftop New $260.29
Iron Pig Weathervane Adjustable Roof Mount Outdoor Garden Lawn Decor AluminumIron Pig Weathervane Adjustable Roof Mount Outdoor Garden Lawn Decor Aluminum $72.66 Full weathervane set-up/ 2''&4' ' ant.finish copper balls/mount/Rod&Direc tionalsFull weathervane set-up/ 2''&4' ' ant.finish copper balls/mount/Rod&Direc tionals $134.95
Welsh Terrier Hand Carved Hand Painted Basswood Dog WeathervaneWelsh Terrier Hand Carved Hand Painted Basswood Dog Weathervane $699.99 to $894.99 Whitehall 30" Duck Traditional Weathervane Black Rust-Proof Includes Roof MountWhitehall 30" Duck Traditional Weathervane Black Rust-Proof Includes Roof Mount $65.95
42'' vinyl window Cupolas /(1)-Beautiful and high quality As Shown In Stock !42'' vinyl window Cupolas /(1)-Beautiful and high quality As Shown In Stock ! $1,875.00 Beautiful Eagle/Flag weathervane, Complete Setup + mountBeautiful Eagle/Flag weathervane, Complete Setup + mount $415.00
Good Directions Kent Cyprus Wood Cupola w/ Wood Roof 14-Inch Square 18-Inch HighGood Directions Kent Cyprus Wood Cupola w/ Wood Roof 14-Inch Square 18-Inch High $240.99 Handmade Lhasa Apso Dog Copper WeathervaneHandmade Lhasa Apso Dog Copper Weathervane $63.99
4.5'' Blue Glass Ball for weathervane Or Lightening Rods fits 3/4'' rod4.5'' Blue Glass Ball for weathervane Or Lightening Rods fits 3/4'' rod $45.95 West Highland Terrier Hand Carved Hand Painted Basswood Dog WeathervaneWest Highland Terrier Hand Carved Hand Painted Basswood Dog Weathervane $699.99 to $894.99
Hand Made Witch Halloween Garden Stake Weathervane ~New~Hand Made Witch Halloween Garden Stake Weathervane ~New~ $81.76 Beautiful 3-d Swan Copper weathervane, Complete Setup + mount,Red Glass BallsBeautiful 3-d Swan Copper weathervane, Complete Setup + mount,Red Glass Balls $535.00
Weathervane Roof Mount Metal Prancing Horse Garden Decor Wind Weather DirectionWeathervane Roof Mount Metal Prancing Horse Garden Decor Wind Weather Direction $18.93 Good Directions Smithsonian Eagle Weathervane Pure Copper Polished CopperGood Directions Smithsonian Eagle Weathervane Pure Copper Polished Copper $318.33
C-130 Airplane Weathervane - Hercules - Plane Lockheed Martin Lm C-130J VaneC-130 Airplane Weathervane - Hercules - Plane Lockheed Martin Lm C-130J Vane $59.95 Whitehall Products Flying Witch Garden Weathervane, BlackWhitehall Products Flying Witch Garden Weathervane, Black $64.20
Montague Metal Products Cast Bell With Black Pig Ornament Decoration Brand NewMontague Metal Products Cast Bell With Black Pig Ornament Decoration Brand New $79.21 Cupid Weathervane - Valentine, Valentines Weather Vane - Comwith Choice of MountCupid Weathervane - Valentine, Valentines Weather Vane - Comwith Choice of Mount $59.95
Ems/ Emt Paramedic WeathervaneEms/ Emt Paramedic Weathervane $63.99 Large Strutting Rooster 3D Weathervane Aged Copper Patina Finish HandcraftedLarge Strutting Rooster 3D Weathervane Aged Copper Patina Finish Handcrafted $159.95
Duck Weathervane - Attractive Antique Blue Verdigris with free Roof MountDuck Weathervane - Attractive Antique Blue Verdigris with free Roof Mount $299.99 Montague Metal Products 32-Inch Deluxe Weathervane with Color Full Bodied EagleMontague Metal Products 32-Inch Deluxe Weathervane with Color Full Bodied Eagle $100.49
Farrell Snowmobile Steel WeathervaneFarrell Snowmobile Steel Weathervane $62.99 to $63.99 Xl 3D Copper Rooster Functional Weathervane w/Antiqued Metal Finish- Free MountXl 3D Copper Rooster Functional Weathervane w/Antiqued Metal Finish- Free Mount $159.95
Leprechaun Weathervane Top OnlyLeprechaun Weathervane Top Only $33.55 Beautiful unique Lamb Copper Weathervane, Complete Setup / mount,Ships Fast !Beautiful unique Lamb Copper Weathervane, Complete Setup / mount,Ships Fast ! $485.00
Float Plane Weathervane, Airplane, Floatplane, Pontoon Vane with Choice of MountFloat Plane Weathervane, Airplane, Floatplane, Pontoon Vane with Choice of Mount $59.95 Weathervane Large Polished Copper With Roof Mount EagleWeathervane Large Polished Copper With Roof Mount Eagle $156.92
Goldendoodle Steel WeathervaneGoldendoodle Steel Weathervane $62.99 Good Directions Smithsonian Horse Weathervane 100% Polished Copper & BrassGood Directions Smithsonian Horse Weathervane 100% Polished Copper & Brass $269.95
Beautiful unique 36'' Flying Duck Copper Weathervane, Complete/ mount,Ships FastBeautiful unique 36'' Flying Duck Copper Weathervane, Complete/ mount,Ships Fast $725.00 Handmade Welsh Corgi Pembroke Dog Copper Weathervane Garden MountHandmade Welsh Corgi Pembroke Dog Copper Weathervane Garden Mount $61.99
Weathervane 3/4'' Brass Retaining Ring For Standard Weathervane RodsWeathervane 3/4'' Brass Retaining Ring For Standard Weathervane Rods $16.99 Good Directions Manchester Vinyl Cupola with Eagle Weathervane Gdd2023Good Directions Manchester Vinyl Cupola with Eagle Weathervane Gdd2023 $1,159.99
Good Directions Rooster Cottage Weathervane with Roof Mount Pure CopperGood Directions Rooster Cottage Weathervane with Roof Mount Pure Copper $156.25 40''- 3/4'' Standard Weathervane Rod With 11''- 3/8'' Top Rod,Fits Most Vanes40''- 3/4'' Standard Weathervane Rod With 11''- 3/8'' Top Rod,Fits Most Vanes $54.99
goat figure, mailbox or weather vanegoat figure, mailbox or weather vane $5.00 Golden Retriever Weather Vane dog weathervane bird hunter hunting lodge cabinGolden Retriever Weather Vane dog weathervane bird hunter hunting lodge cabin $105.00 to $139.00
Vintage Cast Aluminum Horse & Buggy on Arrow Weather Vane w/Directions & MountVintage Cast Aluminum Horse & Buggy on Arrow Weather Vane w/Directions & Mount $24.99 Vintage Hand Cut Aluminum Horse Weather vane Primitive 13 1/2" LVintage Hand Cut Aluminum Horse Weather vane Primitive 13 1/2" L $28.97
Montague Metal Products 24-Inch Weathervane with Rooster Ornament NewMontague Metal Products 24-Inch Weathervane with Rooster Ornament New $43.76 308-179or wireless temperature station with trends and alerts308-179or wireless temperature station with trends and alerts $24.07
Airedale Hand Carved Hand Painted Basswood Dog WeathervaneAiredale Hand Carved Hand Painted Basswood Dog Weathervane $699.99 to $894.99 New listing
		Copper Flying Pig on Hanging Bracket~ Lg Detailed 3D in Aged Patina Finish NewNew listing Copper Flying Pig on Hanging Bracket~ Lg Detailed 3D in Aged Patina Finish New $119.95
Handmade Crescent Moon and Star WeathervaneHandmade Crescent Moon and Star Weathervane $63.99 to $65.99 Afghan Hand Carved Hand Painted Basswood Weathervane BlackAfghan Hand Carved Hand Painted Basswood Weathervane Black $699.99 to $894.99
Heavy Floor Weather Vane Stand~20" Black Cast Iron with N-S-E-W Compass LettersHeavy Floor Weather Vane Stand~20" Black Cast Iron with N-S-E-W Compass Letters $29.50 Gold-Good4878-Good Directions 487V1-8 Fish Rain Chain, 8-1/2, Blue Verde CopperGold-Good4878-Good Directions 487V1-8 Fish Rain Chain, 8-1/2, Blue Verde Copper $116.96
Montague Metal Products 32 in. Deluxe Black Eagle WeathervaneMontague Metal Products 32 in. Deluxe Black Eagle Weathervane $85.11 New listing
		Lg 3D Strutting Rooster on Hanging Bracket in Aged Copper Patina Finish Detail!New listing Lg 3D Strutting Rooster on Hanging Bracket in Aged Copper Patina Finish Detail! $119.95
Cow Weather VaneCow Weather Vane $25.00 Farrell P40 Warhawk Steel WeathervaneFarrell P40 Warhawk Steel Weathervane $63.99
24 Inch Weathervane with Rooster Ornament Montague Metal Products Home Decor24 Inch Weathervane with Rooster Ornament Montague Metal Products Home Decor $47.49 Good Directions Smithsonian Rooster Weathervane Pure CopperGood Directions Smithsonian Rooster Weathervane Pure Copper $266.76
Good Directions 401Al Adjustable Aluminum Weathervane Roof Mount , New, Free ShiGood Directions 401Al Adjustable Aluminum Weathervane Roof Mount , New, Free Shi $37.99 Wire Fox Terrier Hand Carved Hand Painted Basswood Dog WeathervaneWire Fox Terrier Hand Carved Hand Painted Basswood Dog Weathervane $699.99 to $894.99
4" Glass Ball for Weather Vane vanes weathervane green blue white amethyst red4" Glass Ball for Weather Vane vanes weathervane green blue white amethyst red $42.00 Colorado Buffaloes Steel WeathervaneColorado Buffaloes Steel Weathervane $63.99
Antique John Deer Weather VeneAntique John Deer Weather Vene $99.00 Whitehall Witch Flying Garden Weathervane Black Quick & Free Ship with MountWhitehall Witch Flying Garden Weathervane Black Quick & Free Ship with Mount $69.95
Weathervane With Weathervanes Rooster Ornament 24 Inch Home Decor New No TaxWeathervane With Weathervanes Rooster Ornament 24 Inch Home Decor New No Tax $49.04 Welsh Corgi Pembroke Hand Carved Hand Painted Basswood Dog Weathervane TriWelsh Corgi Pembroke Hand Carved Hand Painted Basswood Dog Weathervane Tri $699.99 to $894.99
Good Directions Kent Wood Cupola with Eagle Weathervane Gdd2021Good Directions Kent Wood Cupola with Eagle Weathervane Gdd2021 $979.99 Float Plane Airplane Handmade Steel WeathervaneFloat Plane Airplane Handmade Steel Weathervane $63.99
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Prices current as of last update, 03/21/18 9:28pm.

See also...
Copper Weathervane, Weathervanes, Garden Décor

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