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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Us Coast Guard Weathervane (Roof Mounting Included)Us Coast Guard Weathervane (Roof Mounting Included) $59.99 Good Directions 8807Pg Hummingbird Garden Weathervane Polished Copper with Ga.Good Directions 8807Pg Hummingbird Garden Weathervane Polished Copper with Ga. $201.96
Flag Pole Bracket,2-Position Flag Pole Holder 1" Inner Diameter Anti-RustFlag Pole Bracket,2-Position Flag Pole Holder 1" Inner Diameter Anti-Rust $9.69 Good Directions 6 Cup Crocus Pure Copper 8.5-Foot Rain ChainGood Directions 6 Cup Crocus Pure Copper 8.5-Foot Rain Chain $128.85
Montague Metal Products 32-Inch Deluxe Weathervane with Swedish Iron Rooster .Montague Metal Products 32-Inch Deluxe Weathervane with Swedish Iron Rooster . $85.50 Wooden Rooster Weather Vane Garden DecorationWooden Rooster Weather Vane Garden Decoration $6.50
12'' aluminum Weathervane Directionals Nsew / Fits 1/2'' Rods,many uses12'' aluminum Weathervane Directionals Nsew / Fits 1/2'' Rods,many uses $25.95 Weathervane roof mount,Adjustable, stainless steel,Non rusting super strong!Weathervane roof mount,Adjustable, stainless steel,Non rusting super strong! $44.95
Us Air Force Weathervane (Roof Mounting Included)Us Air Force Weathervane (Roof Mounting Included) $59.99 2.5" & 4.5''Green Glass Ball set for weathervanes Or Lightening Rods2.5" & 4.5''Green Glass Ball set for weathervanes Or Lightening Rods $74.95
Big Handcrafted Copper Patina 3-Dimensional Running Horse WeathervaneBig Handcrafted Copper Patina 3-Dimensional Running Horse Weathervane $129.99 Montague Metal Products Flagpole Eagle 12-Inch GoldMontague Metal Products Flagpole Eagle 12-Inch Gold $86.05
Robbins Weathervane Lightning rods 2 total and attachments Vintage barn toppersRobbins Weathervane Lightning rods 2 total and attachments Vintage barn toppers $40.00 Scottie Dog Weather Vane Aberdeen Terrier weathervane Robbins Lightning 514Scottie Dog Weather Vane Aberdeen Terrier weathervane Robbins Lightning 514 $129.00 to $168.00
Good Directions 8840Pr Flying Pig Cottage Weathervane, Polished Copper with RoofGood Directions 8840Pr Flying Pig Cottage Weathervane, Polished Copper with Roof $164.88 Kansas Jayhawk Weather Vane Ku weathervane University Robbins Lightning 568Kansas Jayhawk Weather Vane Ku weathervane University Robbins Lightning 568 $139.00 to $178.00
Good Directions Brookfield Vinyl Cupola With Wood Roof 60" X 85Good Directions Brookfield Vinyl Cupola With Wood Roof 60" X 85 $2,997.99 Garden Flag Holder Stand Premium Yard Flag Holder Weather-Proof Metal PowderGarden Flag Holder Stand Premium Yard Flag Holder Weather-Proof Metal Powder $12.89
2804 Solar Led Pole Light, Mini Silver2804 Solar Led Pole Light, Mini Silver $25.05 Patriotic Antique Brass Wall Hanging Eagle - made by Whitehall Products 00734Patriotic Antique Brass Wall Hanging Eagle - made by Whitehall Products 00734 $60.00
Good Directions 819Pg Angel Garden Weathervane Polished Copper with Garden PoleGood Directions 819Pg Angel Garden Weathervane Polished Copper with Garden Pole $148.15 Fly Hawk 6 Ft flagpole, Suitable for 2x3, 3x5, 4x6 Flag Heavy Garden flagpole.Fly Hawk 6 Ft flagpole, Suitable for 2x3, 3x5, 4x6 Flag Heavy Garden flagpole. $19.19
Whitehall 24" Aluminum Weathervane/ Country Doctor/Horse & Buggy/ Made In UsaWhitehall 24" Aluminum Weathervane/ Country Doctor/Horse & Buggy/ Made In Usa $22.50 Large Iron Fish Weathervane Directional Nsew Arrow Bass Trout Vintage styleLarge Iron Fish Weathervane Directional Nsew Arrow Bass Trout Vintage style $119.95
Copper Balls 2'' & 4'' well made antiqued for weathervanes / Lightening RodsCopper Balls 2'' & 4'' well made antiqued for weathervanes / Lightening Rods $45.95 Copper Arrow weathervane,Complete Cottage/medium size vane with mount.ShipsfastCopper Arrow weathervane,Complete Cottage/medium size vane with mount.Shipsfast $235.00
Basset Hound Weathervane (Roof Mounting Included)Basset Hound Weathervane (Roof Mounting Included) $59.99 Weather Vane Featuring Bear Indoor Or Outdoor DecorWeather Vane Featuring Bear Indoor Or Outdoor Decor $19.00
'57 Chevrolet Weathervane (Roof Mounting Included)'57 Chevrolet Weathervane (Roof Mounting Included) $59.99 Large Handcrafted 3D 3- Dimensional Flying Pig Weathervane Copper Patina FinishLarge Handcrafted 3D 3- Dimensional Flying Pig Weathervane Copper Patina Finish $125.00
Rooster Weathervane, Large 26"x18" Metal Handmade, Rustic Patina, Old Wood BaseRooster Weathervane, Large 26"x18" Metal Handmade, Rustic Patina, Old Wood Base $229.00 New listing
		Vtg Horse Weathervane Original Copper Body , no Arrow, needs Repair or for PartsNew listing Vtg Horse Weathervane Original Copper Body , no Arrow, needs Repair or for Parts $29.99
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		Weathervane horse Copper and brass Polished Finish NewNew listing Weathervane horse Copper and brass Polished Finish New $120.00 Weather Vane Featuring Rabbit Indoor Or Outdoor DecorWeather Vane Featuring Rabbit Indoor Or Outdoor Decor $19.00
32" Roof Mount Weathervane Country Doctor Directionals New 4 finishes32" Roof Mount Weathervane Country Doctor Directionals New 4 finishes $63.00 to $81.00 Masonic Weather Vane Mason Masons weathervane Robbins Lightning 601Masonic Weather Vane Mason Masons weathervane Robbins Lightning 601 $129.00 to $168.00
Out Door Eagle Garden Antique Nautical Weathervane,Polished Copper W/Garden PoleOut Door Eagle Garden Antique Nautical Weathervane,Polished Copper W/Garden Pole $199.00 LightHouse Weathervane (Roof Mounting Included)LightHouse Weathervane (Roof Mounting Included) $59.99
Xlarge Handcrafted 3Dimensional Poodle Dog Weathervane Copper PatinaXlarge Handcrafted 3Dimensional Poodle Dog Weathervane Copper Patina $159.99 Flying Pig Weathervane (Garden Mounting Included)Flying Pig Weathervane (Garden Mounting Included) $59.99
Horse Running Weathervane Antiqued Copper Finish Weather Vane HandCraftedHorse Running Weathervane Antiqued Copper Finish Weather Vane HandCrafted $134.95 Good Directions Polished Copper Victorian Arrow Weathervane - 9642P w/Rm #2Good Directions Polished Copper Victorian Arrow Weathervane - 9642P w/Rm #2 $155.00 Was:  Previous Price $165.00
New Good Directions Golfer Polished Copper Roof-Mount Weathervane w/ Arrow LargeNew Good Directions Golfer Polished Copper Roof-Mount Weathervane w/ Arrow Large $364.99 Elk Wildlife Weathervane (Roof Mounting Included)Elk Wildlife Weathervane (Roof Mounting Included) $59.99
Handcrafted 3-Dimensional Running Horse Weathervane Copper Patina Finish 3DHandcrafted 3-Dimensional Running Horse Weathervane Copper Patina Finish 3D $149.99 32" Roof Mount Weathervane Eagle Usa American Directionals New 4 Finishes32" Roof Mount Weathervane Eagle Usa American Directionals New 4 Finishes $63.00 to $81.00
Vintage Electro Wind Vane - Home DecorVintage Electro Wind Vane - Home Decor $29.00 Rooster Weather Vane chicken farm barn hen weathervane Robbins Lightning 510Rooster Weather Vane chicken farm barn hen weathervane Robbins Lightning 510 $129.00 to $168.00
Whitehall Hummingbird 6"' Garden Aluminum Weathervane TopperWhitehall Hummingbird 6"' Garden Aluminum Weathervane Topper $20.00 Good Directions Polished Copper Victorian Arrow Weathervane - 9642P w/Roof MountGood Directions Polished Copper Victorian Arrow Weathervane - 9642P w/Roof Mount $155.00 Was:  Previous Price $165.00
Rare Vintage Hudson Barn Cupola 34 1/2" Tall,16" X 16" Base,Farm CupolaRare Vintage Hudson Barn Cupola 34 1/2" Tall,16" X 16" Base,Farm Cupola $249.95 Hot Rod Weathervane (Roof Mounting Included)Hot Rod Weathervane (Roof Mounting Included) $59.99
black metal weather vane rooster chicken cast aluminum 26" tall barn shed roofblack metal weather vane rooster chicken cast aluminum 26" tall barn shed roof $49.99 Weathervane 26 in. L x 30 in. H x 18 in. W Pure Copper Proud Rooster Roof MountWeathervane 26 in. L x 30 in. H x 18 in. W Pure Copper Proud Rooster Roof Mount $281.80
Roadster Weather Vane race car hot rod weathervane Robbins Lightning 527Roadster Weather Vane race car hot rod weathervane Robbins Lightning 527 $129.00 to $168.00 Swen Products Farm Scene John Deere Tractor Steel WeathervaneSwen Products Farm Scene John Deere Tractor Steel Weathervane $45.00
Good Directions Polished Copper Bantam Rooster Weathervane - 1975RedGood Directions Polished Copper Bantam Rooster Weathervane - 1975Red $129.00 Edm Weather Vane Rooster 5 Feet Tall Black Garden Mount Yard Decor All Steel NewEdm Weather Vane Rooster 5 Feet Tall Black Garden Mount Yard Decor All Steel New $34.84
Garden Mount Weather Vane with 1957 ChevyGarden Mount Weather Vane with 1957 Chevy $94.95 Good Directions Outdoor Carp Roof-Mount Weathervane Wind Direction Rusty UsGood Directions Outdoor Carp Roof-Mount Weathervane Wind Direction Rusty Us $59.99
Good Directions Rooster Weathervane Blue Verde Copper PatinaGood Directions Rooster Weathervane Blue Verde Copper Patina $248.59 Vintage Look America Wall Door Hanging Black Eagle Metal Aluminum Home DecorVintage Look America Wall Door Hanging Black Eagle Metal Aluminum Home Decor $40.14
Weather Vane Roof Mounting Bracket for 1/4" Diameter Rod Heavy Steel 11" HighWeather Vane Roof Mounting Bracket for 1/4" Diameter Rod Heavy Steel 11" High $19.95 Hand Fabricated Copper Locomotive WeathervaneHand Fabricated Copper Locomotive Weathervane $4,400.00
Montague Metal Products 32-Inch Weathervane with Red Classic Truck OrnamentMontague Metal Products 32-Inch Weathervane with Red Classic Truck Ornament $99.74 32" Roof Mount Weathervane Sailboat Boat Beach Ocean Directionals New 4 Finishes32" Roof Mount Weathervane Sailboat Boat Beach Ocean Directionals New 4 Finishes $63.00 to $81.00
Vinyl Cupola 18 in. W x 22 in. H x 18 in. D Weather Resistant Louvered WhiteVinyl Cupola 18 in. W x 22 in. H x 18 in. D Weather Resistant Louvered White $411.23 Sheep Weather Vane ewe ram lamb farm barn weathervane Robbins Lightning 535Sheep Weather Vane ewe ram lamb farm barn weathervane Robbins Lightning 535 $129.00 to $168.00
Nib Swen Products Farm Scene John Deere Tractor Steel Copper-Colored WeathervaneNib Swen Products Farm Scene John Deere Tractor Steel Copper-Colored Weathervane $57.95 Good Directions Polished Copper Stained Glass Moon Weathervane- 678P w/RmGood Directions Polished Copper Stained Glass Moon Weathervane- 678P w/Rm $205.00 Was:  Previous Price $215.00
Us Marines Weathervane (Roof Mounting Included)Us Marines Weathervane (Roof Mounting Included) $59.99 32" Roof Mount Weathervane Country Rooster Farm Directionals New 4 Finishes32" Roof Mount Weathervane Country Rooster Farm Directionals New 4 Finishes $63.00 to $81.00
Us Army Weathervane (Roof Mounting Included)Us Army Weathervane (Roof Mounting Included) $59.99 Good Directions Kent Vinyl Cupola with Wood Roof 18" x 22"Good Directions Kent Vinyl Cupola with Wood Roof 18" x 22" $329.40
472P-8 Stellar Pure Copper 8.5 ft Rain Chain472P-8 Stellar Pure Copper 8.5 ft Rain Chain $128.71 Race Horse & Jockey Weathervane (Roof Mounting Included)Race Horse & Jockey Weathervane (Roof Mounting Included) $59.99
32" Roof Mount Weathervane Fireman Directionals New 4 Finishes32" Roof Mount Weathervane Fireman Directionals New 4 Finishes $63.00 to $81.00 Good Directions Labrador Retriever/Dog Garden Weathervane Includes Garden Pol.Good Directions Labrador Retriever/Dog Garden Weathervane Includes Garden Pol. $183.62
flagpole, Suitable for 2x3, 3x5, 4x6 Flag Heavy Garden flagpole, 6 Ft Blackflagpole, Suitable for 2x3, 3x5, 4x6 Flag Heavy Garden flagpole, 6 Ft Black $26.17 New listing
		Wind Direction Indicator,Weather vane,Data signal wired,Ce Germany, works greatNew listing Wind Direction Indicator,Weather vane,Data signal wired,Ce Germany, works great $45.00
29''- 3/4'' Standard Weathervane Rod With 11''- 3/8'' Top Rod,Fits Most Vanes29''- 3/4'' Standard Weathervane Rod With 11''- 3/8'' Top Rod,Fits Most Vanes $36.99 Lone Star Weathervane (Roof Mounting Included)Lone Star Weathervane (Roof Mounting Included) $59.99
Whitehall Pheasant 24” WeathervaneWhitehall Pheasant 24” Weathervane $50.00 Sperm Whale Weathervane (Roof Mounting Included)Sperm Whale Weathervane (Roof Mounting Included) $59.99
Vintage ~ Rare ~ Seafarer Wife ~ Metal Silhouette ~ Folk Art Weather VaneVintage ~ Rare ~ Seafarer Wife ~ Metal Silhouette ~ Folk Art Weather Vane $490.00 weathervane replacement copper balls 1'' & 2'' for cottage / medium weathervanesweathervane replacement copper balls 1'' & 2'' for cottage / medium weathervanes $27.95
Bull 3D Steer Weathervane Antiqued Copper Finish Cow Weather Vane HandCraftedBull 3D Steer Weathervane Antiqued Copper Finish Cow Weather Vane HandCrafted $134.95 32" Roof Mount Weathervane Lab Dog Doggie Directionals New 4 Finishes32" Roof Mount Weathervane Lab Dog Doggie Directionals New 4 Finishes $63.00 to $81.00
Copper Dolphin weathervane,Complete Cottage/medium size vane with mount.Copper Dolphin weathervane,Complete Cottage/medium size vane with mount. $255.00 Good Directions 707 Gawain Finial with Roof Mount 28" Polished CopperGood Directions 707 Gawain Finial with Roof Mount 28" Polished Copper $159.74
(3) 15.75” Robbins Weathervane Lightning rods barn toppers, Used Excellent Cond.(3) 15.75” Robbins Weathervane Lightning rods barn toppers, Used Excellent Cond. $38.00 Vintage wind vane cast aluminum roosterVintage wind vane cast aluminum rooster $16.50
Good Directions Blue Verde Copper Cottage Blue Heron Weathervane - 8805V1 w/RmGood Directions Blue Verde Copper Cottage Blue Heron Weathervane - 8805V1 w/Rm $95.00 32" Roof Mount Weathervane Lamplighter Directionals New 4 finishes32" Roof Mount Weathervane Lamplighter Directionals New 4 finishes $63.00 to $81.00
Rooster Copper Weathervane Wind Vane Barn Farm Country Plains Home DécorRooster Copper Weathervane Wind Vane Barn Farm Country Plains Home Décor $44.99 Weathervane Roof Mount Adjustable Pitch or Angle Bracket for Weather VanesWeathervane Roof Mount Adjustable Pitch or Angle Bracket for Weather Vanes $43.95
Weather Vane Featuring Rooster Chicken Indoor Or Outdoor DecorWeather Vane Featuring Rooster Chicken Indoor Or Outdoor Decor $22.00 Sailboat Weathervane (Roof Mounting Included)Sailboat Weathervane (Roof Mounting Included) $59.99
Patriot American Eagle Metal Wall Door Hanging Artwork Pella Iowa Vintage NosPatriot American Eagle Metal Wall Door Hanging Artwork Pella Iowa Vintage Nos $5.00 Stunning Rooster Copper Weathervane no Mounts Only the RoosterStunning Rooster Copper Weathervane no Mounts Only the Rooster $165.00
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Prices current as of last update, 04/13/21 5:14am.

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

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