define downdraft
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Vertical draft The term downdraft can also refer to a type of backdraft which occurs through chimneys which have fireplaces on the lowermost levels (such as basements) of multi-level buildings. It involves cold air coming down the chimney due to low air pressure, and makes it hard to light fires, and can push soot and carbon monoxide into domiciles.
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Downburst A downburst is a strong ground-level wind system that emanates from a point source above and blows radially, that is, in a straight line in all directions, from the point of contact at ground level.ften producing damaging winds, it may be confused with a tornado, but is different in that a tornado, high velocity winds circle a central area, moves inward and upward whereas in a downburst, winds are directed downward and then outward from the surface landing point.
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- Spring in Barcelona. From March until May, Barcelona gradually warms up. Average daily temperatures in March hover at around 12°C but by May it's a considerably warmer 17-18°C. Evenings remain relatively cool until late May, however, so you'll want to bring a shawl or something with long sleeves.utumn in Barcelona. September remains warm, but temperatures begin to drop in October and November in Barcelona. By November, highs of 12°C are normal, and nights can be a chilly 5-6°C. October is the wettest month of the year, and you can expect around 7 rainy days that month.
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Overdraft Facility A short term loan that a bank makes to a business automatically if that business otherwise would face an overdraft. For example, if a business has $10,000 in the bank and withdraws $12,000 for its payroll, an overdraft facility is an automatic loan for the extra $2,000.
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Down feather The down of birds is a layer of fine feathers found under the tougher exterior feathers.
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What is a microburst? A microburst is a downdraft (sinking air) in a thunderstorm that is less than 2.5 miles in scale. Although microbursts are not as widely recognized as tornadoes, they can cause comparable, and in some cases, worse damage than some tornadoes produce.
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- On the floor of the Pacific Ocean lies a giant that has been sleeping for 145 million years. By Gemma Tarlach|Tuesday, January 07, 2014. RELATED TAGS: VOLCANO, GEOLOGY, EARTH SCIENCE, OCEAN. The Pacific Ocean floor hosts Earth’s largest volcano — Tamu Massif, at 120,000 square miles. William Sager/University of Houston.
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Overdraft An overdraft occurs when money is withdrawn from a bank account and the available balance goes below zero.In this situation the account is said to be  overdrawn .If there is a prior agreement with the account provider for an overdraft, and the amount overdrawn is within the authorized overdraft limit, then interest is normally charged at the agreed rate.anks typically charge a one-time fee for each overdraft paid. A bank may also charge a recurring daily fee for each day during which the account has a negative balance. Critics argue that because funds are advanced to a consumer and repayment is expected, that bounce protection is a type of loan.
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- In a downdraft, the flame is drawn in at the floor of the kiln and up over a bag wall. It leaves through a flue below or level with the floor. If the floor is hot and and the kiln is reducing, shorten the flame by increasing the primary air and decreasing the secondary.
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- Definition of DRY UP. transitive verb. : to cut off the supply of.
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- are really nothing more than strong downdrafts. if the diameter of the downdraft is 4 km or less, the downburst is called a microburst. if the diameter of the downdraft is greater than 4 km, the downburst is called a macroburst. downbursts can produce winds comparable to weak tornadoes.
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- Downbursts. 1  are really nothing more than strong downdrafts. 2  if the diameter of the downdraft is 4 km or less, the downburst is called a microburst. 3  if the diameter of the downdraft is greater than 4 km, the downburst is called a macroburst.  downbursts can produce winds comparable to weak tornadoes.
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Glossary of sheep husbandry Downs – breeds of sheep belonging to the short wool group. Draft ewe – a ewe too old for rough grazing (such as moorland), drafted (selected) out of the flock to move to better grazing, usually on another farm. Generally spelt draft, but in the British Isles either as draft or draught.
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- According to Business Dictionary, a loan drawdown is when someone withdraws funds from a loan facility. Practical Law says lenders often allow drawdowns to give money advances to borrowers and set... According to Business Dictionary, a loan drawdown is when someone withdraws funds from a loan facility. Practical Law says lenders often allow drawdowns to give money advances to borrowers and set... Star Gazing
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DEFINITION of 'Downtrend' DEFINITION of 'Downtrend'. Describes the price movement of a financial asset when the overall direction is downward. A formal downtrend occurs when each successive peak and trough is lower than the ones found earlier in the trend. Notice how each successive peak and trough is lower than the previous one. For example, the low at Point 3 is lower than the low at Point 1.
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Drawdown (economics) From Wikipedia, the free encyclopedia. The drawdown is the measure of the decline from a historical peak in some variable (typically the cumulative profit or total open equity of a financial trading strategy). Somewhat more formally, if is a random process with X (0) = 0, the drawdown at time T, denoted, is defined as.
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- To effectively remove downdrag loads on the Piles, it is recommended that a three month waiting period be. observed before piles are driven at the abutments. If a 10 ft. surcharge is added to the fill heights, this waiting. period may be reduced to one month.
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overdraft Popular Terms. 1  1. Loan arrangement under which a bank extends credit up to a maximum amount (called overdraft limit) against which a current (checking) account customer can write checks or make withdrawals. 2  2. Balance of a bank account in which funds withdrawn have exceeded funds deposited.
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Definitions &Translations Freebase (0.00 / 0 votes) Rate this definition: Outfall. An outfall is the discharge point of a waste stream into a body of water; alternatively it may be the outlet of a river, drain or a sewer where it discharges into the sea, a lake or the like.
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Basic Aerodynamics & Theory of Flight Due to downwash, the angle of attack relative to the local airstream is reduced. This means that less lift will be generated at certain angles. It also produces “trailing vortex drag” Trailing vortices also produce a large upwash outboard of the wing tips. The upward momentum change thus produced cancels out the downward momentum change of the downwash.
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Definitions &Translations Definitions for descenddɪˈsɛnd. Here are all the possible meanings and translations of the word descend. Princeton's WordNet(3.00 / 2 votes)Rate this definition: descend, fall, go down, come down(verb) move downward and lower, but not necessarily all the way.
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- Upwelling is the movement of cold, deep, often nutrient-rich water to the surface mixed layer; and downwelling is the movement of surface water to deeper depths. Downwelling occurs when surface waters converge (come together), pushing the surface water downwards.
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- Quick Answer. According to Business Dictionary, a loan drawdown is when someone withdraws funds from a loan facility. Practical Law says lenders often allow drawdowns to give money advances to borrowers and set interest rates based on these short borrowing periods.
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What is an Overdraft Facility? An overdraft facility is a formal arrangement with a bank that allows an account holder to draw on funds in excess of the amount on deposit. This type of financing is most commonly used by businesses as a way of making their working capital more flexible, although it can also be available to individuals.
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Severe Weather 101 Severe Weather 101. Straight-line wind is a term used to define any thunderstorm wind that is not associated with rotation, and is used mainly to differentiate from tornadic winds. A downdraft is a small-scale column of air that rapidly sinks toward the ground.
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- The rain shadow effect, when mountain ranges intercept moisture-laden air masses, forcing them higher where their moisture condenses and falls as rain or snow. The downwind side of such ranges are usually much drier than the upwind side.