Speed of Winds

Dear Readers,

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This is continuation of my earlier post " Wind Speeds". As you are aware Wind Speeds are classified as calm, light, Breeze, Gale, Storm and Hurricane. Also note that Breeze, Gale & Storm are further classified as Light, Moderate & Strong. Wind speed is now commonly measured with an anemometer.

Unit of Measurement for Wind speed is

meter per Second (m/s)

kilometers per hour (km/h)

miles per hour (mph) &

Knot (unit)

Below table shows the different units of wind classes

 

For More Details about Wind Direction Click Here

For More Details about Beaufort Scale Click Here 

For More Details about Precautions during Flood Click Here

For More Details about Characteristics of Wind Click Here

 

 

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Characteristics of Wind

Dear Readers,

This is continuation with our earlier post of Wind, Now let us see about the effects on sea and land for different type of winds.

Label	Effect on sea	Effects on land
Calm	Sea like a mirror	Calm. Smoke rises vertically.
Light Air	Ripples with the appearance of scales are formed, but without foam crests	Wind motion visible in smoke.
Light Breeze	Small wavelets, still short, but more pronounced. Crests have a glassy appearance and do not break	Wind felt on exposed skin. Leaves rustle.
Gentle Breeze	Large wavelets. Crests begin to break. Foam of glassy appearance. Perhaps scattered white horses	Leaves and smaller twigs in constant motion.
Moderate Breeze	Small waves, becoming larger; fairly frequent white horses	Dust and loose paper raised. Small branches begin to move.
Fresh Breeze	Moderate waves, taking a more pronounced long form; many white horses are formed. Chance of some spray	Branches of a moderate size move. Small trees begin to sway.
strong Breeze	Large waves begin to form; the white foam crests are more extensive everywhere. Probably some spray	Large branches in motion. Whistling heard in overhead wires. Umbrella use becomes difficult. Empty plastic garbage cans tip over.
Near Gale	Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind	Whole trees in motion. Effort needed to walk against the wind. Swaying of skyscrapers may be felt, especially by people on upper floors.
Gale	Moderately high waves of greater length; edges of crests begin to break into spindrift. The foam is blown in well-marked streaks along the direction of the wind	Twigs broken from trees. Cars veer on road.
Severe Gale	High waves. Dense streaks of foam along the direction of the wind. Crests of waves begin to topple, tumble and roll over. Spray may affect visibility	Larger branches break off trees, and some small trees blow over. Construction/temporary signs and barricades blow over. Damage to circus tents and canopies.
Storm	Very high waves with long over-hanging crests. The resulting foam, in great patches, is blown in dense white streaks along the direction of the wind. On the whole the surface of the sea takes on a white appearance. The 'tumbling' of the sea becomes heavy and shock-like. Visibility affected	Trees are broken off or uprooted, saplings bent and deformed, poorly attached asphalt shingles and shingles in poor condition peel off roofs.
Violent Storm	Exceptionally high waves (small and medium-size ships might disappear behind the waves). The sea is completely covered with long white patches of foam flying along the direction of the wind. Everywhere the edges of the wave crests are blown into froth. Visibility affected	Widespread vegetation damage. More damage to most roofing surfaces, asphalt tiles that have curled up and/or fractured due to age may break away completely.
Hurricane	The air is filled with foam and spray. Sea completely white with driving spray; visibility very seriously affected	Considerable and widespread damage to vegetation, a few windows broken, structural damage to mobile homes and poorly constructed sheds and barns. Debris may be hurled about.

For More Details about Wind Speed Click Here

For More Details about Wind Direction Click Here

For More Details about Beaufort scale Click Here

 

Wind Force-Beaufort Scale

Dear Readers,

This is continuation with my earlier post of Wind speed and Wind Direction. Below is a wind chart, created by Admiral Beaufort. Beaufort arranged the numbers 0 to 12 to indicate the strength of the wind from calm (force 0) to hurricane (force 12).

Click on Picture to enlarge 

The Beaufort scale, which is used in Met Office marine forecasts, is an empirical measure for describing wind intensity based on observed sea conditions.

For More Details about Wind Speed Click Wind

For More Details about Wind Direction Click Direction

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Wind Speeds

Dear Readers,

Wind speed is a common factor in the design of structures and buildings around the world. The wind speed is often the governing factor in the "lateral" design of a structure and is used by professional engineers and designers. Wind speed affects weather forecasting, aircraft and maritime operations, construction projects, growth and metabolism rate of many plant species, and countless other implications, also local weather conditions play a key role in influencing wind speed, as the formation of hurricanes, monsoons and cyclones as freak weather conditions can drastically affect the velocity of the wind. Wind speed is caused by air moving from high pressure to low pressure.


It is measured as follows,

1. Beaufort scale

2. Fujita scale and Enhanced Fujita Scale

3. Saffir–Simpson Hurricane Scale

4. TORRO scale

Wind speed is now commonly measured with an anemometer but can also be classified using the older Beaufort scale which is based on people's observation of specifically defined wind effects.

Unit of Measurement for Wind speeds are either one of following

1.meter per Second (m/s)

2.kilometers per hour (km/h)

3.miles per hour (mph) &

4.Knot (unit)

Wind Speeds are classified as calm, light, Breeze, Gale, Storm and Hurricane. Also note that Breeze, Gale & Storm are further classified as Light, Moderate & Strong. Detailed chart will be followed on my next post

Best Quote :“If you reveal your secrets to the wind you should not blame the wind for revealing them to the trees.” Have a Nice Day