Articles tagged with Hurricanes
Wind shear is responsible for weakening Tropical Cyclone Gillian from hurricane to tropical storm strength, according to NASA's Aqua satellite image. The storm's maximum sustained winds were near 60 knots on March 26, and it is expected to dissipate by the same day.
A new GPS system on commercial aircraft captures detailed meteorological readings to improve weather models and hurricane forecasts. This technology has the potential to save lives and provide more accurate predictions.
Researchers used crowdsourcing to collect hurricane rainwater samples during Hurricane Sandy, revealing the storm's chemical signature and improving understanding of extra-tropical hurricanes. The study provides new insights into how these storms interact with weather systems, aiding in hurricane forecasting.
A Stanford-led study found that large arrays of offshore wind turbines can disrupt hurricanes enough to reduce peak wind speeds by up to 92 mph. The turbines' energy extraction also decreases storm surge by up to 79 percent.
Research by the University of Delaware and Stanford University shows that offshore wind turbines can buffer damage to coastal cities during hurricanes. The study found that large wind farms with tens of thousands of turbines can slow down hurricane winds, reduce wave heights, and decrease storm surge.
Researchers at Penn State used a real-time convection-permitting hurricane analysis and forecasting system to accurately predict Hurricane Sandy's path, intensity, and rainfall. The system compared favorably to operational global models, showcasing its potential for improving storm prediction.
Geophysicist Seth Stein warns that humans are often outsmarted by nature during disasters, causing unnecessary damage despite expensive mitigation measures. Stein advocates for a thoughtful approach to disaster preparedness, integrating science, economics, and policy formulation to make informed decisions.
Tropical Cyclone Amara weakened significantly after encountering wind shear, dropping from Category four hurricane to a minimal tropical storm. The cyclone lost maximum sustained winds near 35 knots/40 mph/62 kph and is expected to dissipate into a remnant low-pressure area in the next day or two.
A new study reveals that publicly expressing regrets can provide emotional support from others, highlighting the social benefits of regret. Additionally, professionals who believe they are least vulnerable to gift-biasing effects are most likely to accept gifts, while peer pressure can easily lead to unethical behavior. Research also s...
A Duke University study found that strobe glasses improved hockey players' performance by forcing their visual system to train in difficult conditions. The glasses produced stroboscopic visual conditions, resulting in an 18% improvement in on-ice skills and demonstrating potential benefits for sports performance.
Scientists found that Hurricane Sandy did not significantly damage the offshore barrier system controlling erosion on Long Island. However, the storm churned up new pollutants in the waters off the island, which could exacerbate long-term problems if continued sea-level rise occurs.
Scientists used NASA's AIRS instrument to observe System 90L, a non-tropical low-pressure area in the Atlantic Ocean. The system struggled to organize into a subtropical or tropical cyclone, with only a 20% chance of development over the next five days.
HS3 gathered data on the Saharan Air Layer, studying its effects on Tropical Storm Gabrielle. The mission also identified a unique hybrid core in a redeveloped storm and measured hurricane Ingrid's heavy rain and strong winds.
A new study examines the geological legacy of Hurricane Irene, shedding light on the long-term record of storm frequency and impact. The researchers found that the lack of definitive signatures from the hurricane in paleostorm records highlights concerns about current understanding of hurricane deposition and preservation.
Extra-Tropical Storm Melissa has weakened and is headed towards the Azores Islands with sustained winds near 45 knots. The storm's core temperature change indicates a transition from warm to cold, similar to a mid-latitude low-pressure system.
Tropical Storm Melissa formed on Nov 18 and underwent rapid transformations under NOAA's GOES-East satellite imaging. After becoming post-tropical later today, the National Hurricane Center forecasts gradual weakening over the next two days.
Subtropical storm Melissa formed in the central Atlantic Ocean on November 18, with maximum sustained winds near 50 mph. The National Hurricane Center expects it to transition into a tropical storm later in the day.
The NASA TRMM satellite captured detailed data on Super-typhoon Haiyan before it struck the Philippines, revealing sustained winds of up to 195 mph. The storm's extreme power was showcased in the satellite imagery, with a well-defined eye surrounded by moderate rain and multiple rainbands.
NASA satellites captured high-resolution images of Super-Typhoon Haiyan, revealing a powerful eye and widespread thunderstorms. The storm's maximum sustained winds reached 165kts (190mph) with heavy rain potential due to extremely cold cloud top temperatures.
A NASA satellite revealed intense rainfall around Super Typhoon Haiyan's eye, with rates of over 100mm/hour. The storm's powerful winds and convection patterns indicate catastrophic damage upon landfall in the Philippines.
Researchers found a strong correlation between the number of Hurricane Sandy-related photos on Flickr and atmospheric pressure in New Jersey. The study suggests that online indicators like Flickr photos could help measure disaster impact.
Tropical Storm Sonia formed on Nov. 1 and made landfall in western Mexico by Nov. 4, with NASA capturing its brief life in a 36-second animation. The storm's maximum sustained winds reached 45 mph, but it weakened as it moved over rugged terrain.
A new tropical depression formed in the Eastern Pacific Ocean on November 1, with NASA's TRMM satellite detecting moderate rainfall and NOAA's GOES-West satellite capturing cloud extent. The depression is expected to strengthen and become a tropical storm by the weekend.
Tropical Depression Raymond decoupled from its mid-level circulation center, weakening due to cooler sea temperatures and dry air. The storm's lower level circulation has pushed away from the center, causing it to weaken further.
Tropical Storm Raymond's maximum rainfall intensity was only about 33.6mm/hour, and its winds weakened to near 50mph/85kph on Oct. 29. The storm is expected to become a remnant low in a day or so due to cooler ocean temperatures and southwesterly wind shear.
Hurricane Raymond strengthened into a hurricane again after moving into warmer waters with less wind shear, as captured by NASA's Aqua satellite. The storm then weakened due to increased wind shear, leading to its predicted dissipation in the next couple of days.
Researchers predict that future storms could cause even more damage to New York City's barrier islands, such as Staten Island and Long Island. To mitigate this risk, the scientists propose building parks on these areas instead of rebuilding homes in flood zones.
NASA's GOES-East satellite image captured the oval-shaped remnants of Tropical Storm Lorenzo east of a frontal system. The remnant low-pressure area is moving northeast at 10 mph and has a 20% chance to redevelop before being consumed by the approaching cold front.
Hurricane Raymond has weakened to a tropical storm, with rainfall totals of over 350mm along the Mexican coast and extreme amounts in open waters. The storm is expected to move into a more favorable environment, potentially reaching hurricane status again before weakening over cooler waters by October 31
Hurricane Raymond caused extreme rainfall amounts of over 560mm/~22 inches in open Pacific waters, with totals exceeding 125mm/~4.9 inches along Mexico's coast. The storm's copious rainfall also dropped abundant precipitation in areas already hit by deadly flooding and landslides.
Tropical Storm Lorenzo is facing wind shear and will move into cooler waters, sapping its strength. The NHC notes that despite wind shear, Lorenzo maintains deep convection with strongest thunderstorms in its eastern quadrant.
Tropical Storm Raymond has started moving away from the coast of south-central Mexico, with a west-southwesterly direction indicated in microwave satellite imagery. Weakening storm expected to drop more rain on already drenched state of Guerrero.
Heavy rainfall from Hurricane Raymond is causing widespread flooding along Mexico's Pacific Ocean coast, with precipitation rates reaching up to 153 mm/hour. The National Hurricane Center warns of hurricane-force winds, storm surges, and coastal flooding due to the storm's stationary motion.
Tropical Storm Lorenzo formed in the Atlantic Ocean on Oct. 21, strengthening into a tropical storm just six hours later. NASA's Aqua satellite captured images of the depression before it became a storm, while NOAA's GOES satellite showed its progression and expected weakening trend.
The 13th Atlantic tropical depression formed on Oct. 21 near Bermuda, with maximum sustained winds of 35 mph/55 kph. The NOAA GOES-East satellite captured its development in a 29-second animation, showing strengthening thunderstorms and convection.
Hurricane Raymond, a Category 3 hurricane, is bringing heavy rains and gusty winds to western Mexico. The storm's center is located near latitude 16.2 north and longitude 102.3 west, about 165 miles south-southwest of Acapulco.
Tropical Storm Priscilla formed and rapidly weakened over 3 days in the eastern Pacific, skipping the depression phase. Its maximum sustained winds dropped to 35 mph/55 kph within a day of formation, marking one of the shortest-lived tropical storms of the season.
A major transportation company survived Hurricane Sandy by adopting flexible strategies to meet customer demand and ensure personnel safety. The company's schedulers bypassed normal communication channels to speed up information exchange, relying on face-to-face conversations instead.
The TRMM satellite observed a 'hot tower' near the center of Tropical Depression 11, indicating it would strengthen into Tropical Storm Jerry. The storm later strengthened with maximum sustained winds near 40 mph.
The HIRAD instrument aboard NASA Global Hawk 871 detected an area of heavy rains and likely strong winds in Hurricane Ingrid. The storm made landfall in northeastern Mexico on Monday, September 16, with maximum sustained winds near 75 mph.
A fleet of underwater robots, known as gliders, is being deployed by NOAA and partners to collect ocean data off the East Coast. The gliders will help scientists improve storm intensity forecasts and understanding of hurricanes.
The NASA HS3 mission has revealed that Tropical Storm Humberto had a hybrid core structure, characterized by both warm and cold cores at different levels. This discovery provides new insights into the processes underlying hurricane formation and intensity change in the Atlantic Ocean basin.
Hurricane Manuel brought intense rainfall to northwestern Mexico, causing destruction, and its remnants streamed into southwestern Texas, bringing showers and thunderstorms. Rainfall rates reached up to 2 inches per hour, with potential for heavy rain and mudslides.
Extreme weather events, such as Hurricanes Irene and Sandy, have been shown to increase support for environmental policies and a belief in human-caused climate change. Researchers found that individuals who were particularly affected by the storms showed a stronger preference for politicians promoting green policies.
Typhoon Usagi intensified by 65 knots in 24 hours, reaching Category 4 strength with sustained winds of 138 mph. The storm is expected to continue intensifying and pass near Hong Kong on Sept. 22.
System 95L has a high chance of becoming a tropical depression as it moves west-northwestward at 5 to 10 mph. NASA's Global Hawk gathers data on this low-pressure area, which is expected to spread heavy rain over eastern and southern Mexico.
The CYGNSS hurricane satellite mission has passed NASA's Systems Requirements Review and Key Decision Point-B, moving into the next phase of development. The constellation of eight microsatellites will use GPS signals to measure ocean surface properties and determine how hurricanes form and strengthen.
NASA's Global Hawk aircraft is investigating a low-pressure system in the Gulf of Mexico that has high chances of becoming a tropical depression. Another area near Bermuda is also showing signs of development.
TRMM satellite observed heavy rainfall around the storm's center and in a band of thunderstorms north of the center. Hot towers over 9.9 miles high were detected, indicating intense rainfall potential.
Researchers found that African dust particles more than doubled during a major Saharan dust intrusion in Houston, Texas, raising concerns about health risks for vulnerable populations. The study provides new insights into the impact of Saharan air outbreaks on climate and human health, including potential effects on hurricane activity.
NASA's Terra satellite captured an image of Tropical Storm Humberto resembling the letter "A" due to a cloud-free southern quadrant. The storm has maximum sustained winds near 40 mph and is moving north-northwest with possible strengthening in the next 48 hours.
TRMM satellite data revealed heaviest rainfall in the Gulf of Mexico, with rates reaching 2 inches per hour, and moderate rainfall stretching inland over eastern Mexico. The remnants of Ingrid are expected to produce significant flooding and mudslides in eastern Mexico, with totals ranging from 10-15 inches.
Tropical Storm Humberto re-formed over two days, with significant changes observed in rainfall patterns by NASA's TRMM satellite. The HS3 mission uses Global Hawk aircraft to investigate storm processes and gather data on the environment of the storm.
NASA's GOES project captured three tropical cyclones on September 14, including Tropical Storm Manuel, Ingrid, and the remnants of Hurricane Gabrielle. The satellite images showed all four storms in a single image created by NASA, highlighting their locations and movement.
Tropical Storm Humberto regained strength after weakening to a remnant low pressure area due to wind shear. NASA's Global Hawk Aircraft gathered data on the environment of the storm, with findings to be analyzed as part of the HS3 hurricane mission.
Tropical Storm Manuel caused powerful thunderstorms that dropped heavy rainfall in southwestern Mexico. The remnants of the storm continued to bring heavy rains to the region after dissipation on Sept. 16.
Hurricane Humberto's strongest precipitation was concentrated in the northwestern quadrant due to intense southwesterly wind shear. The storm is expected to weaken to a tropical storm late on September 13, with winds near 75 mph and shifting trajectory towards the west-northwest.
Tropical Depression Gabrielle is expected to bring heavy rainfall to Nova Scotia and Prince Edward Island as it approaches a cold front. The depression's cloud tops reached temperatures as low as -63F/-52C, indicating potential for severe weather.
Researchers at the University of Delaware are creating a fundamentally new approach to modeling hurricanes, integrating storm surge, wind speed, and flooding maps to inform evacuation decisions. The team hopes to reduce deaths and injuries by improving management of evacuation and shelter for hurricanes.
Tropical Storm Gabrielle regained strength after being weakened by southwesterly wind shear. Another low-pressure system, System 93L, is expected to develop in the Gulf of Mexico, with favorable environmental conditions for its formation.