NASA-NOAA satellite finds dry air affecting Tropical Cyclone Vayu
Tropical Cyclone Vayu weakened due to dry air and wind shear, preventing thunderstorm development. The storm made landfall near Naliya, India, with minimal sustained winds of 40 mph.
Wind Speed
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NASA finds Tropical Cyclone Vayu off India's Gujarat coast
Tropical Cyclone Vayu is still lingering near the northwestern coast of India, with its cloud-filled eye offshore. The storm is weakening due to dry air feeding into it, but low vertical wind shear and warm waters are keeping it together.
NASA shows winds causing Tropical Cyclone Lorna's demise
Tropical Cyclone Lorna was torn apart by strong northwesterly wind shear, weakening the storm and causing it to dissipate. The 'extremely high' vertical wind shear environment was hostile to the storm, leading to its rapid demise.
Ocean winds and waves have slightly strengthened over last three decades
Global ocean wind speeds and wave heights have increased slightly over the last three decades, according to a new study. The analysis of satellite data spanning thirty years confirms small but significant increases in extreme conditions, particularly in the Southern Ocean.
NASA finds wind shear tearing apart Subtropical Cyclone Joaninha
Subtropical Cyclone Joaninha was torn apart by strong wind shear in the Southern Indian Ocean, according to NASA. The storm weakened from a maximum sustained wind speed of 35 knots (40 mph) as it moved south-southwest.
Satellite finds Tropical Cyclone Joaninha slammed by wind shear
Tropical Cyclone Joaninha's maximum sustained winds dropped to 65 knots on March 29, 2019, after being pushed away from its center. The storm was expected to weaken further due to increasing wind shear and cooler sea surface temperatures.
Tropical Cyclone Savannah dissipating in Suomi NPP satellite imagery
Savannah's maximum sustained winds dropped to 35 knots (40 mph) as it weakened under strong vertical wind shear from the northwest. The Joint Typhoon Warning Center issued its final warning at 5 a.m. EDT, predicting further dissipation later in the day.
NASA sees Savannah lose its tropical eye
Tropical Cyclone Savannah weakened as high clouds filtered over its eye, revealing a defined center but an elongated shape. The storm's maximum sustained winds were near 60 knots (69 mph/111 kph) and it is forecast to continue tracking west-southwestward before dissipating by March 22.
NASA-NOAA Satellite catches last burst of energy in Tropical Depression 03W
The NASA-NOAA satellite revealed a burst of strong storms in Tropical Depression 03W, indicating vertical wind shear effects. The storm's circulation center was displaced from the bulk of clouds and precipitation.
Improved hybrid models for multi-step wind speed forecasting
Developed by Zhang et al., the CS-WD-WNN model outperforms other models in wind speed prediction with high accuracy, providing essential data for wind farm operations.
Tropical Cyclone Haleh weakening in NASA-NOAA satellite imagery
Tropical Cyclone Haleh continues to weaken due to wind shear and cooler waters, falling below the hurricane threshold. The storm has become elongated from outside winds, affecting its rotation and strength.
Wutip now a depression, spotted on NASA-NOAA satellite imagery
Wutip's weakening was caused by vertical wind shear and cooler waters, which knocked out the storm's winds. The depression is expected to make a turn toward the west with decreased forward speed over the next 24 hours.
Batmobile with cruise control
Scientists at Leibniz Institute for Zoo and Wildlife Research investigate energy requirements and travel speeds of migrating Nathusius' bats. Bats are found to travel at the speed where their range reaches a maximum, enabling them to cover long distances with minimal energy expenditure.
NASA's Aqua satellite finds winds battering Tropical Cyclone Gelena
Tropical Cyclone Gelena is being weakened by strong northerly wind shear. The satellite imagery shows clouds pushed south of the center, reducing the storm's power.
NASA-NOAA satellite finds Tropical Cyclone Gelena sheared
Tropical Cyclone Gelena is being weakened due to strong westerly winds and wind shear, causing its rotation to be skewed. The storm is expected to dissipate in two days as it moves over cooler sea surface temperatures.
NASA's Aqua satellite shows winds shear affecting Tropical Cyclone Gelena
Wind shear weakened Tropical Cyclone Gelena to a tropical storm, with maximum sustained winds near 63 mph. Forecasters predict dissipation of the storm by February 14, three days from observation.
NASA catches the 1-day life of Tropical Cyclone Neil
Tropical Cyclone Neil developed on February 9 with maximum sustained winds near 35 knots and dissipated by February 10. Wind shear played a significant role in weakening the storm, as observed by NASA's Aqua satellite.
NASA catches India landfall of Tropical Depression Phethai
Tropical Depression Phethai made landfall in southeastern India on Dec 17, causing significant wind shear that affected the storm's trajectory. NASA's Aqua satellite captured a visible image of Phethai after its landfall, revealing the bulk of clouds and showers north and east of the center of circulation.
NASA-NOAA satellite finds Owen fading in the Coral Sea
Tropical Cyclone Owen weakened from a tropical storm to a depression due to wind shear, resulting in disorganized storm patterns and reduced thunderstorm development. The Joint Typhoon Warning Center notes a chance for the storm to re-strengthen after two days when wind shear relaxes.
Researchers look to see how elevated housing in Florida stood up to Hurricane Michael
A University of Kansas researcher investigates how elevated residential buildings performed during Hurricane Michael, finding wind damage could be greater for housing elevated between 3 and 7 feet. The study aims to inform building codes and standards for vulnerable areas, particularly in the mobile home industry.
NASA's GPM shows small area of heavy rain in Tropical Storm Man-yi
Tropical Storm Man-yi has a small area of heavy rain northeast of its center, with precipitation rates exceeding 30 mm/h, according to NASA's GPM mission. The storm is expected to maintain strength and eventually transition into an extra-tropical cyclone by Nov. 28.
NASA's GPM shows small area of heavy rain in Tropical Storm Man-yi
Tropical Storm Man-yi showed a small area of intense rainfall northeast of its center due to moderate wind shear. The storm is expected to transition into an extra-tropical cyclone by Nov 28, maintaining strength for another day.
NASA sees Tropical Cyclone Bouchra being blown apart
Tropical Cyclone Bouchra was weakened and elongated due to wind shear, according to NASA's Aqua satellite. The storm was torn apart by winds, with its center appearing almost cloud-free, before making its final dissipation on November 20.
Cosmic serpent
The ESO's VLT captured the details of an elaborate serpentine system sculpted by colliding stellar winds, with Apep being a likely source of one of the most energetic phenomena in the Universe. The system consists of a nest of massive stars surrounded by a dust pinwheel.
Spectacular star system discovered which could explode in powerful cosmic firework display
Researchers have discovered a binary star system containing massive Wolf-Rayet stars that are spinning extremely fast, producing incredibly fast winds. The system's wind speeds are 100,000 times quicker than a hurricane on Earth, while the surrounding dust cloud moves at a much slower pace, suggesting unequal gas distribution.
Satellite finds Tropical Cyclone Bouchra reborn in Southern Indian Ocean
Tropical Cyclone Bouchra has regenerated into a tropical storm after dissipating as a low-pressure area, with winds reaching 50 knots. The storm's elongated shape indicates wind shear affecting its circulation center and weakening it.
NASA-NOAA satellite catches short-lived Tropical Cyclone Bouchra
Tropical Cyclone Bouchra formed on Nov. 10 and dissipated by Nov. 13, with maximum sustained winds of 34.5 mph. Wind shear weakened the storm's rotation, causing it to disintegrate.
Making wind farms more efficient
Researchers have developed a new approach to design more efficient wind farms by incorporating factors such as wind speed, turbine spacing, and land size. The algorithm uses biogeographical-based optimization to minimize computational cost while maximizing efficiency.
NASA's GPM examines weaker Tropical Storm Yutu's rainfall
Tropical Storm Yutu produced heavy rainfall over Luzon in the Philippines, but analysis from NASA's Global Precipitation Measurement mission showed little rainfall near its center of circulation. Heavy rainfall was found in powerful storms northwest and southeast of Yutu's center, with rates exceeding 183 mm/hour.
NASA finds wind shear weakening Tropical Storm Nadine
Tropical Storm Nadine is being torn apart by wind shear in the Eastern Atlantic Ocean, according to NASA-NOAA's Suomi NPP satellite. The storm's low-level center is nearly 50 nautical miles southwest of the nearest deep convection, indicating strong weakening.
NASA identifies wind shear tearing apart Tropical Cyclone Liua
Tropical Cyclone Liua was severely impacted by strong westerly to northwesterly vertical wind shear, causing the storm to lose its structure. The Joint Typhoon Warning Center issued the final bulletin on Liua, which was centered near 12.0 degrees south latitude and 161.1 degrees east longitude.
NASA infrared imagery reveals wind shearing Tropical Depression Joyce
Tropical Depression Joyce's cloud top temperatures are as cold as minus 70 degrees Fahrenheit, generating heavy rainfall. The depression is forecast to weaken and become a remnant low over the next couple of days.
NASA sees wind shear bringing post-tropical Cyclone Olivia toward dissipation
NASA-NOAA's Suomi NPP satellite detected tropical depression Olivia being affected by westerly wind shear, which was preventing thunderstorm development and causing weakening. The post-tropical cyclone is expected to dissipate over the weekend of Sept. 15 with maximum sustained winds near 35 mph.
Wind shear affecting Tropical Storm Joyce in NASA-NOAA satellite image
Wind shear is tearing Tropical Storm Joyce apart, with coldest cloud top temperatures reaching minus 50 degrees Fahrenheit. The storm's rotation is being skewed by winds at different levels of the atmosphere, pushing against its cylindrical circulation center.
NASA-NOAA satellite find wind shear affecting Helene, Azores warnings up
Tropical Storm Helene is battling wind shear, causing a Tropical Storm Warning for the Azores Islands. Wind shear is weakening the storm's rotation and pushing strongest storms northeast of the center.
NASA-NOAA satellite finds winds tearing Tropical Depression Isaac apart
Tropical Depression Isaac has weakened significantly due to strong northwesterly wind shear, which has skewed its rotation and reduced maximum sustained winds to near 35 mph. The system is forecast to gradually weaken over the next few days, potentially degenerating into a tropical wave.
NASA-NOAA satellite finds Barijat crossing Gulf of Tonkin
The NASA-NOAA satellite detected Tropical Cyclone Barijat crossing the Gulf of Tonkin, weakening significantly due to wind shear. The storm's rotation was skewed by winds at different altitudes, causing it to dissipate quickly after landfall in Vietnam.
NASA sees Tropical Depression Olivia's strength waning
Tropical Depression Olivia's cloud top temperatures reached -70F (-56.6C), capable of generating heavy rainfall and life-threatening flash flooding. The depression is expected to weaken further by Friday, becoming a post-tropical remnant low.
NASA sees Hurricane Helene decoupled by wind shear
Hurricane Helene is decoupling from wind shear due to southwesterly vertical wind shear, pushing the bulk of the storm away from its rotating center. The NHC expects wind shear to increase on Sept 13, potentially weakening the storm further.
NASA gets inside look at large and powerful Hurricane Florence
Hurricane Florence's powerful winds and storm surge are being closely monitored by NASA. The satellite images reveal a weakened eye due to southern shear, with cloud tops as cold as -80F (Celsius). This suggests potential for heavy rainfall.
NASA Sees Tropical Storm Barijat affecting Southern China
Tropical Storm Barijat is being affected by northerly vertical wind shear, which can weaken the storm. The Hong Kong Observatory has issued a Strong Wind Signal, No. 3 warning, indicating winds with speeds of 25-38 mph.
NASA sees Hawaii facing Tropical Storm Olivia
Tropical Storm Olivia is causing heavy rainfall in Hawaii, with the National Weather Service predicting total accumulations of 5-10 inches in some areas. The storm's cloud tops reached temperatures as low as -63 degrees Fahrenheit, indicating strong winds and potential for life-threatening flash flooding.
UTSA researchers develop tools to prepare for chemical attacks
UTSA researchers have developed numerical models to replicate toxic gas dispersal, allowing for accurate projections of deadly gas trajectory. The tools can help direct evacuations in as little as 10 minutes.
NASA finds Typhoon Mangkhut lashing Guam and the Northern Marianas Islands
Typhoon Mangkhut brought damaging winds to Guam and the Northern Marianas Islands, with sustained winds reaching up to 115mph. The storm is expected to intensify through Wednesday, September 12, before moving away from the region.
NASA tracks Tropical Storm Soulik into the Sea of Japan
Tropical Storm Soulik is moving rapidly northeast across the Sea of Japan with sustained winds near 35 knots. The Joint Typhoon Warning Center predicts Soulik will become extra-tropical before reaching Hokkaido.
Discovering structure in the outer corona
A team of scientists led by Craig DeForest used advanced algorithms and data-cleaning techniques to analyze images taken by NASA's STEREO spacecraft. They discovered fine-grained structures in the outer corona, which is the source of the solar wind. The study provides new insights into the Sun's million-degree atmosphere.
Using tree-fall patterns to calculate tornado wind speed
Using tree-fall patterns, researchers estimated the near-surface wind speeds of an actual tornado event in Naplate, IL, with results compared to wind speeds from residential houses and damaged infrastructure. The method also applied to crops damaged by tornadoes, providing a new approach to estimating tornado intensity.
Flying spiders sense meteorological conditions, use nanoscale fibers to float on the wind
Spiders sense wind characteristics before takeoff and launch when conditions favor a successful flight. Large crab spiders use up to 60 nanoscale fibers averaging 3 meters long to float on the wind.
Hurricanes are slowing down, and that's bad news
A new study found that hurricanes are moving more slowly, spending more time over land, resulting in catastrophic local rainfall and flooding. The slowdown is attributed to climate change, which is amplifying the effects of human activity on hurricane behavior.
GPM satellite views Tropical Cyclone Flamboyan's rainfall
The GPM core satellite observed high rainfall rates of over 2.1 inches per hour in Tropical Cyclone Flamboyan on April 29, 2018. The storm was weakening due to increasing vertical wind shear and colder ocean temperatures.
KAIST finds the principle of electric wind in plasma
Researchers at KAIST identified the basic principle of electric wind in plasma, a phenomenon that can create air movement without mechanical movement. The team found that space charge drift following streamer propagation is the main cause of electric wind, with electrons playing a key role in certain plasmas.
NASA measured rainfall from Fehi's remnants in New Zealand
NASA and Japan's GPM core satellite tracked heavy rainfall from Tropical Cyclone Fehi's remnants in New Zealand. Rainfall rates exceeded 268 mm/h, with some areas experiencing intense storms that dropped over 10 inches of rain in just 12 hours.
GPM satellite analyzes Tropical Cyclone Fehi's rainfall
The GPM satellite identified heavy rainfall in Tropical Cyclone Fehi, with powerful storms dropping rain at a rate of over 3 inches per hour. The storm weakened as it moved southward, transitioning into an extra-tropical cold core system.
We should use central pressure deficit, not wind speed, to predict hurricane damage
Researchers argue that central pressure deficit is a better indicator of economic damage from storms in the United States. The study suggests that this metric can be used to calculate peak wind speed, which could improve hurricane predictions.
Engineers identify key to albatross' marathon flight
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 finds a pinhole eye in Hurricane Otis
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.
Letting the data speak for itself
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.
Who is the chief culprit of dust concentrations over East Asia?
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.
Equatorial jet in Venusian atmosphere discovered by Akatsuki
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.
NASA finds wind shear weakening Hurricane Kenneth
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.