Articles tagged with Wind Speed
Engineers at MIT developed a new model to simulate dynamic soaring in albatrosses, finding that shallow arcs help birds stay aloft with less effort. The research also sheds light on the optimal flight pattern for wind-propelled drones and gliders.
NASA's Suomi NPP satellite captured an image of Hurricane Otis showing a unique pinhole eye surrounded by powerful thunderstorms. The storm's wind field is extremely compact, with hurricane-force winds extending only 25 miles from the center.
Researchers developed a flexible geostatistical model that captures both types of asymptotic dependence and accurately estimates extremal dependence type. The new model outperforms other typical models in terms of fit to the data and spatial prediction of extreme wind speeds.
A recent study reveals that the Gobi Desert is a significant contributor to East Asian dust concentrations, with approximately 35% of its emissions transported to remote areas. In contrast, the Taklimakan Desert's dust particles are less likely to be transported due to its geographical location and wind patterns.
Researchers analyzed Akatsuki data to uncover wind velocities with temporal and spatial variabilities in lower-to-middle cloud layers. The discovery of an equatorial jet near the equator has significant implications for understanding superrotation theories.
Hurricane Kenneth's strongest storms were pushed away from the center due to vertical wind shear, causing a rapid weakening of the hurricane. The National Hurricane Center expects Kenneth to weaken rapidly over the next day or two, potentially becoming post-tropical in 2-3 days.
A new study found that trees can increase wind speed by a factor of two when removed, making it more challenging for pedestrians to walk. Trees also reduced the impact of wind pressure on buildings, particularly through small gaps, and contributed to a more comfortable environment.
Fernanda has weakened from its peak wind speed of 143.75 mph, now with maximum sustained winds near 70 mph and higher gusts. The storm is expected to continue moving west-northwest for the next couple of days before potentially becoming a tropical depression.
Researchers found that quails eat more and are happier in hot weather with a gentle breeze. This helps them maintain healthy egg production. In contrast, cold temperatures have little effect on quail behavior.
NASA tracked Tropical Storm Merbok's rainfall rates and 3D structure before it made landfall east of Hong Kong. The storm showed intense precipitation patterns, with rain falling at a rate of over 57 millimeters per hour in one of its rain bands.
Tropical Storm Merbok formed in the South China Sea on June 11, with NASA-NOAA's Suomi NPP satellite providing visible-light images of the storm. The Joint Typhoon Warning Center predicts quick dissipation as Merbok interacts with Hong Kong's rugged terrain.
A study by ETH Zurich researchers reveals that regional variability plays a key role in extreme precipitation, with increasing atmospheric moisture and weaker vertical wind velocities contributing to differences. The decomposition of projections highlights weaknesses in existing climate models and provides insights into where to focus ...
A new study found that northern and northeastern China's surface temperature has increased, while wind speed decreased from 1961 to 2014. This trend indicates a stable, warm, and windless state of the surface weather conditions over NNEC.
Thermal comfort has increased in China over the past few decades due to rising temperatures and declining wind speed. The study found an average of 255 very cold and cold days per year, but a decline in cold days, with only 11 hot and very hot days per year.
Researchers analyzed data from China's largest meteorological database and found a 50% decrease in hail storms, thunderstorms, and high wind events on average. The strength of the East Asian Summer Monsoon also decreased strongly correlated with severe weather.
The Beijing MST Radar detected horizontal wind measurements consistent with those from operational radiosondes, covering a range of 3-25 km. The radar's detection capability was found to be high in the mesosphere-lower thermosphere region, extending up to 120 km during daytime.
Tropical Cyclone Carlos is being stretched out due to the Westerlies, a semi-permanent belt of winds. The storm's elongation was confirmed in an infrared image captured by NASA-NOAA's Suomi NPP satellite on February 9.
Researchers found that wind power fluctuations follow the same pattern as wind speed fluctuations due to shared eddies, affecting grid stability. This understanding has immediate implications for economic and political decision making in managing renewable energy.
An international team of astronomers has imaged the Eta Carinae star system in unprecedented detail, revealing a region where extremely high-velocity stellar winds collide. The observations provide valuable insights into the basic parameters of the binary system and its internal structure.
Researchers discovered the presence of a white spot on Saturn's equator moving at speeds of 1,600 km/h. The study found that winds increase dramatically with depth, reaching up to 1,650 km/h at 150 km below the surface.
Researchers found that wind patterns in the lowest 500 meters of supercell thunderstorms can help predict whether a storm will generate a tornado. This discovery may lead to better predictions and fewer false alarms during tornado season.
Researchers at Lund University found that larger flocks of birds travel significantly faster than smaller ones, with wind direction and turbulence playing a crucial role. This discovery provides new understanding of the complex factors influencing bird flight speeds.
Hurricane Earl caused extreme rain in southern Mexico, with some areas receiving up to 43.3 inches of rain. The remnants of the storm interacted with another weather system, forming Tropical Storm Javier.
NASA's Aqua satellite and RapidScat instrument captured data on Tropical Storm Darby's winds and cloud top temperatures before it weakened to a remnant low-pressure system. The strongest winds were found north of the storm's center, with coldest cloud top temperatures exceeding -63 degrees Fahrenheit.
RapidScat detected wind speeds of up to 65 mph near Tropical Storm Frank, with stronger gusts reported south of the center. The storm is generating life-threatening surf and rip currents along Mexico's southern coast.
SMAP data showed Tropical Storm Estelle had the strongest surface winds near 30 meters per second, with weaker winds in the southern quadrant. The storm is expected to weaken due to cooler water and drier air.
NASA's RapidScat instrument measured strong winds in Hurricane Darby reaching 67 mph near its center, with tropical-storm-force winds extending up to 150 miles from the center.
NASA's RapidScat instrument measured surface wind speeds exceeding 30 meters per second, while the GPM core satellite detected rainfall rates of up to 33 mm/h near Hurricane Celia's eye wall. The storm weakened to a tropical storm on July 13, with forecasted weakening continuing over the next 48 hours.
Tropical Storm Darby strengthened rapidly, with maximum sustained winds reaching 70 mph and gusts exceeding 110 kph. NASA used satellite imagery to estimate the storm's minimum central pressure at 998 millibars.
NASA satellites are gathering data on wind, temperature, rainfall, and cloud extent of Super Typhoon Nepartak as it approaches Taiwan. The storm's maximum sustained winds were near 140 knots (161.1 mph/259.3 kph) with a weakening trend expected.
Frigate birds exploit upward drafts and circular movements of cumulus clouds to stay aloft for months without flapping their wings. Juveniles embark on longer journeys than adults, suggesting a genetically encoded behavior.
Penn State researchers found that incorporating 'hurricane hunter' data into weather prediction models can reduce forecast errors for wind speed and sea level pressure. This improvement can lead to billions of dollars in savings and provide more notice to people in the path of a storm.
Researchers at NASA's Goddard Space Flight Center have found that the slow solar wind originates from magnetic reconnection in the sun's hot atmosphere. The team used newly processed observations to determine the source of the slow wind, which is important for understanding space weather around Earth.
NASA tracks Tropical Cyclone Fantala's decreasing wind speeds and intensifying rainfall rates, with estimates suggesting maximum sustained winds of 105 knots (121 mph). The storm is expected to encounter adverse conditions that will prompt a weakening trend north of Madagascar as it continues to move west toward the African mainland.
Tropical Cyclone Fantala reached Category 5 status in the Southern Indian Ocean, with wind speeds exceeding 30 meters per second. The storm had a wide eye and powerful thunderstorms wrapping around it, according to NASA's observations from the RapidScat instrument and MODIS satellite.
Fantala storm intensifies over 12 hours, reaching 120 knots in wind speed, with wave heights of 30 feet. NASA's Aqua and International Space Station satellites monitor the storm's progression, predicting a possible threat to Madagascar before turning southeast.
Astronomers have discovered the fastest ultraviolet winds ever seen near a supermassive black hole, with wind speeds of over 200 million miles per hour. This breakthrough study sheds light on quasar outflows and their role in galaxy formation.
Researchers at Johns Hopkins University have developed a computer model to analyze wind conditions on the Masters' notorious 12th hole, revealing that tall tree canopies significantly impact accuracy. The system can predict wind direction and speed's effect on golf shots, aiding golfers in choosing clubs and aiming strategies.
Tropical Cyclone Victor's eye was almost due east of the Cook Islands on Jan. 18, and by Jan. 19, it had moved southeast, appearing more open with a wider diameter
Tropical Storm Pali strengthened into a tropical storm with surface winds of 30 meters per second (67.1 mph/108 kph) in the southwestern quadrant, according to NASA's data gathered by the RapidScat instrument and Terra satellite.
Researchers at the University of Warwick have created the first ever weather map of a planet outside our solar system, revealing wind speeds of over 2km per second. The winds on exoplanet HD 189733b are 20 times faster than the fastest recorded on Earth.
Tropical Depression 26W was experiencing wind shear and speeding up as it transitioned from a tropical to an extra-tropical cyclone. The Joint Typhoon Warning Center expects the storm to continue weakening over open waters of the western North Pacific Ocean.
RapidScat measured sustained winds of over 80 mph near the center of Hurricane Olaf, with tropical storm force winds extending up to 155 miles from the center. The hurricane is forecast to move slowly northward, bringing life-threatening surf to Hawaiian Islands
Tropical Depression Nora is experiencing strong vertical wind shear from the southwest, pushing clouds and showers east of its center. The storm's maximum sustained winds were near 30 mph on October 15, 2015, with forecasters predicting it will continue moving northwest before taking a more westerly track.
NASA used AIRS instrument to track Hurricane Joaquin's movement from October 1-6, showing its intense rainfall and flooding in South Carolina. The storm's cloud tops reached temperatures as low as -81F/-63C/210K, producing heavy rain.
Typhoon Krovanh's strongest winds were found tightly wrapped around its center, reaching 67 mph/108 kph at 20-30 miles from the center. The storm was weakening and moving north at 13.8 mph/22.2 kph, with winds expected to curve northeast over the next few days
Researchers at University of Toronto develop model predicting tornado activity relative to changes in atmospheric conditions. The model takes into account instability and vertical windshear, shedding light on why actual tornado activity is vastly underestimated.
Researchers have discovered a way to manage high water tables to boost crop yields, while 3D maps reveal the formation of the Hangai Dome in Mongolia. New satellite radar technology provides precise wind speed maps for coastal communities to prepare for wind-related hazards.
The 12th tropical depression of the 2015 Eastern Pacific hurricane season was born on August 25, 2015. NASA's Terra satellite gathered infrared data revealing a circulation center with maximum sustained winds near 35 mph, located approximately 1,610 miles east-southeast of Hilo, Hawaii.
Tropical Depression Molave was characterized by strongest winds of near 24 meters per second (53.6 mph/86.4 kph) in its southeastern quadrant on August 8, but these have since weakened. On August 9, NASA's Terra satellite captured a visible-light image showing the depression winding down about 400 miles away from Japan.
Super Typhoon Soudelor has reached Category 5 status on the Saffir-Simpson Wind Scale, with sustained winds of near 155mph and a 12-nautical-mile-wide eye. The Joint Typhoon Warning Center predicts the storm to maintain its intensity for another 24 hours.
The Global Precipitation Measurement (GPM) mission observed Typhoon Halola with rainfall rates of up to 40 mm/h near the southeastern side, while the northern side showed less than 10 mm/h. The storm's elongated shape and dry air's effect contributed to its weakening circulation.
Typhoon Halola's strongest typhoon-force winds were located on the northern half of the storm, stretching from northwest to northeast. The storm intensified and peaked at 95 knots on July 24, with Joint Typhoon Warning Center forecasts predicting weakening after that.
A new statistical technique predicts wind speeds more accurately than existing methods, even with limited data. The model uses non-Gaussian distributions and nonlinear correlations to improve accuracy, doubling predictions in some cases.
RapidScat data showed the strongest winds in Tropical Storm Halola were located in its northeastern quadrant, reaching speeds of up to 62mph. The storm is expected to strengthen into a typhoon by July 17 and pass northeast of Iwo To island, Japan, by July 21.
Typhoon Nangka's strongest typhoon-force winds were located on the northern half of the storm, with speeds up to 129 kph. The storm is moving north and forecast to peak at 115 mph before weakening and making landfall in western Japan.
Typhoon Chan-Hom was monitored by NASA using RapidScat, which detected the storm's strongest winds stretching from northwest to southeast at over 30 meters per second. The storm had maximum sustained winds of 100 knots and is expected to weaken as it approaches the Chinese mainland.
Typhoon Nangka weakened to typhoon status after reaching maximum sustained winds of 126.6 mph, with its strongest winds observed on the western side at over 67 mph. The storm is expected to move west-northwest while steadily weakening before re-strengthening.
Tropical Storm Linfa is approaching the southeastern China coast with maximum sustained winds near 60 knots. The storm is expected to make landfall in Guangdong Province on July 9, bringing heavy rain and rough seas to the region.
Tropical Storm Kujira made landfall on Hainan Island, China, with surface wind speeds near 65 knots, according to NASA's RapidScat data. The storm then moved into the Gulf of Tonkin, where it was centered near 20.1 North latitude and 107.8 East longitude, with maximum sustained winds near 35 knots.