Sentences with phrase «wind speeds»

On September 18, 2008, the ESA mission released an image, animation, and illustration discussing the different atmospheric layers and respective wind speeds between the equator and from 50 to 55 degrees latitude on the planet's southern hemisphere, as measured between April 2006 and June 2007.
His results clearly indicate that mainly on Antarctica, where wind speeds are the highest on Earth, drifting snow processes are important.
Our results extend these findings by demonstrating that areas with the most significant change in fire weather season length occur where not only temperature but also changes in humidity, length of rain - free intervals and wind speeds are most pronounced.
Located in North Cape, Prince Edward Island on Canada's east coast, we're ideally situated for wind study with 300 degree exposure to the water, average wind speeds of 8.2 m / s at 50 m, and numerous icing events per year.
From these two additional analyses, researchers have been able to conclude that the HD189733b exoplanet is showing infernal atmospheric conditions: wind speeds of more than 1000 kilometres per hour, and the temperature being 3000 degrees.
At this point, the storm quickly loses its momentum and power, but not without unleashing wind speeds as high as 185 mph (300 kph) on coastal areas.
The scientists found that a small Martian sand dune about 3 - feet (1 - meter) tall would need wind speeds 75 mph (120 kph) to move appreciably.
Like a compact series of cogs in an unimaginably large machine, vast cyclones also swirl around the north and south poles, clocking wind speeds of over 220 miles per hour (350 kilometers per hour)-- wind speeds that are the equivalent of a terrestrial Category 5 hurricane.
Understory trees have it easier, with lower temperatures and wind speeds and higher humidity, and a far shorter distance to transport water from their roots to their canopy.
The day Terra took this picture wind speeds of 100 kilometers per hour were recorded across Newfoundland and temperatures of — 28 degrees Celsius were recorded in Quebec City, according to NASA.
The company's CEO, Bill Vass, says his submarines provide more precise data than satellites, which are used to track wind speeds, wave heights and algal blooms.
«Typically, meteorologists look for specific signatures that include wind speeds plus an overshoot, a dome - like knob that forms atop a thundercloud,» said Anna Hocking.
The pattern on the right shows extreme patterns of wind speeds going north and south, while the normal pattern on the left shows moderate speed winds in both the north and south directions.
The planet rotates once every 243 Earth days, but its atmosphere does so every four days, with wind speeds upwards of 400 kilometres per hour parallel to the equator.
It also fails to capture the complexity of an urban environment, such as how replacing trees with buildings affects the water table and wind speeds.
Then, the researchers ran 90,000 simulations representing various bees» foraging and movement patterns amid differing scent levels modified by air pollution and diluted by wind speeds.
The scientists studied a specific type of turbulences known as synoptic eddies, and calculated the total energy of their wind speeds.
As the tornado rampaged through Dimmitt, Texas, the meteorologists recorded wind speeds exceeding 140 miles an hour.
In the simulations that included smoke - filled air, storm clouds were lower and thicker (and average wind speeds at 1 kilometer above ground were higher) than they were in the no - smoke models, the team reported online ahead of print in Geophysical Research Letters.
Possible causes of their demise include changes in climate that affected wind speeds over the seas, a change in the availability of preferred foods, or some combination of the two.
During nights from July to October in 2008 and 2009, operators shut down the turbines when wind speeds were below 6.5 meters per second.
Alan Newell and Vladimir Zakharov of the University of Arizona in Tucson calculate that for wind speeds below about 6 metres per second, the sea surface merely wrinkles when the wind pushes it; surface tension holds it intact.
«What is exciting, however, is that the wind speeds predicted during northern spring and summer approach those necessary to generate wind waves in liquid ethane and / or methane.
From these observations, scientists speculated that wind speeds at lower - to - middle cloud altitudes are horizontally uniform and have few temporal variations.
The increased wind speeds seem to be a result of cooling in the upper atmosphere, caused by the hole in the ozone layer above the pole, which is of course the result of chlorofluorocarbon (CFC) pollution.
At higher wind speeds, the bats tilted their wings up and flapped more vertically [click to watch a brief video of a bat flapping its wings].
Worldwide, the proportion of hurricanes reaching categories 4 or 5 — with wind speeds above 56 metres per second — has risen from 20 % in the 1970s to 35 % in the 1990s.
It's these lower wind speeds, around hurricane strength, that are most common — even on the edges of stronger storms — according to Grimes.
Higher pitch angles (more «open») performed more efficiently at lower wind speeds, whereas lower pitch angles (more «closed») did better at high speeds.
This underestimation is most dramatic at higher wind speeds, notes Jasper Kok, an atmospheric physicist at the University of California, Los Angeles, who was not involved in the work.
By incorporating established laws of tree allometry — which explain the relationship of tree size parameters such as diameter and height — the team was able to mathematically explain why the trees in Klaus's path (like those seen above) gave way once the wind speeds reached 42 m / s.
When a cyclone named Klaus tore across southwestern France in January 2009, it highlighted a strange phenomenon: Trees, regardless of their diameter, height, or elastic properties, don't tend to break until wind speeds reach about 42 m / s (94 mph).
The wind tunnel can operate at minus 20 degrees Fahrenheit with wind speeds as high as 220 mph.
«Available design information showed that the roof connections of these buildings were adequate for code - level design wind pressures,» the report said, referring to wind speeds under 115 to 120 mph.
These grains move much faster and have longer trajectories than reptons, because wind speeds increase with altitude.
The 11 to 16 named storms include those that reach tropical storm status or higher, defined as a storm with wind speeds of 39 mph or higher.
Bigelow and colleagues ran a computer model of the island's topography through a wind simulation program and found that near Broo, wind speeds drop off dramatically.
«We found quite extraordinary wind speeds of about 50 metres per second — which are hurricane strength winds — blowing close to the surface, just 600 metres above the waves,» he told New Scientist.
This map shows a global three - day average of wind speeds over the world's oceans.
The scientists used data from satellites, balloons, and aircrafts, to estimate wind speeds around the planet.
It also recorded wind speeds and temperatures in the stratosphere, as well as the energy Earth received from the sun.
Planes were flown directly into the Greenland jet, collecting real - time information on its structure, the wind speeds at different altitudes, and the interactions between the jet and sea surface.
A new study has found that turbulent mixing in the deep waters of the Southern Ocean, which has a profound effect on global ocean circulation and climate, varies with the strength of surface eddies — the ocean equivalent of storms in the atmosphere — and possibly also wind speeds.
At low wind speeds, the air will deflect upward from the pipe's rounded side and push the pipe down — giving it so - called negative lift.
Scientists there also test parachutes and spacecraft at its wind - tunnel facilities, which can produce supersonic wind speeds faster than 1,900 miles per hour.
«We found that the Brazuca ball had more aerodynamic resistance at wind speeds between 50 and 70 km / h, compared with the Jabulani ball.
The details of the hidden architecture were breathtaking: an 1,800 - foot - high ring of debris, a central eye with a downdraft within it, and evidence of an orderly array of wind speeds across the funnel.
Forecasting — uses weather models (i.e., Doppler radar) to predict wind speeds and patterns at various altitudes.
Engineer Jon Sinnreich of the University of Florida and colleagues work on a portable tower used to measure wind speeds during Hurricane Irma.
Following a pioneer and a victim Samaras was the founder of a project called the Tactical Weather - Instrumented Sampling in / near Tornadoes EXperiment, or TWISTEX, which used different instruments to gather data on the elements that make up a tornado, including wind speeds and direction, humidity, and atmospheric pressure.
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