Articles tagged with Hurricanes
The NASA Terra satellite captured images of three tropical cyclones in the Pacific Ocean: Hurricane Genevieve, Hurricane Iselle, and Hurricane Julio. Satellite data shows that Genevieve has strengthened into a hurricane with maximum sustained winds near 75 mph.
NASA's GOES-East satellite captures Bertha merging with a frontal system in the North Atlantic Ocean, causing its circulation to become barely discernible. The post-tropical storm is now moving rapidly northeastward and then eastward over the North Atlantic.
The Atmospheric Infrared Sounder and Moderate Resolution Imaging Spectroradiometer instruments aboard NASA's Aqua satellite provided infrared data and a visible image of Hurricane Bertha. The storm weakened to a tropical storm by August 5, with maximum sustained winds near 65 mph.
Thunderstorms re-developed around Tropical Depression Genevieve's center on August 5, suggesting the storm may strengthen. Genevieve is forecast to gradually intensify over the next couple of days and cross the International Date Line in a few days.
Tropical Storm Julio is part of a heated Eastern Pacific, with warmer waters contributing to its development. The storm's trajectory and potential impact on Hawaii are being closely monitored by forecasters.
TRMM satellite data revealed extreme rainfall rates of almost 182 mm per hour in Hurricane Iselle's eye wall, making it a category four hurricane at the time. The storm is expected to weaken as it heads westward into the Central Pacific Ocean and may make landfall over the Big Island as a tropical storm.
NASA's Aqua and Terra satellites captured images of Super Typhoon Halong, revealing an 11.5-mile-wide eye and signs of eyewall replacement. The storm has weakened from a Category 5 to a Category 2 hurricane, with maximum sustained winds near 120mph.
Tropical Storm Bertha passed over Puerto Rico and the British Virgin Islands before heading towards the Bahamas. The storm's powerful thunderstorms were being pushed southeast by wind shear from the northwest.
Tropical Depression Genevieve may strengthen late on August 4 and 5, while Hurricane Iselle moves toward the Hawaiian Islands. Tropical Storm Julio is also forming southwest of Mexico, expected to become a hurricane later this week.
Tropical Storm Bertha is experiencing heavy rainfall northeast of the center due to strong vertical wind shear. The storm's interaction with upper-level troughs will continue to limit its development and strengthening.
Tropical Storm Iselle has developed powerful thunderstorms, including one with cloud top temperatures as cold as -63F/-52C, according to NASA's Aqua satellite data. The storm is expected to strengthen over the next couple of days due to favorable environmental conditions.
A train of five tropical lows is stretching across the Pacific Ocean, featuring remnants of Tropical Storm Genevieve and newly developed Tropical Storm Iselle. The system includes three other low-pressure areas, with a well-developed Iselle near the end of the train.
Tropical Depression Genevieve is located near latitude 13.1 north, longitude 150.5 west, about 550 miles southeast of Hilo, Hawaii. It's moving west at 6 mph with minimal intensity changes forecasted through Friday night.
Tropical Storm Genevieve weakened to a tropical depression on July 27, but reorganized and became a tropical depression again on July 30. Rainfall rates reached over 28.5 mm/hr near the storm's center.
A recent study by University of Hawaii researchers found that gases and particles from Kilauea volcano affected Tropical Storm Flossie's formation and lightning. This unique interaction highlights the impact of polluted air on hurricanes approaching the US mainland coast.
Tropical Storm Hernan developed over the weekend and reached hurricane strength before being weakened by wind shear. NASA tracked its movement, noting it was forecasted to weaken into a shallow post-tropical cyclone in 48 hours
Tropical Storm Genevieve has weakened to a tropical depression, but its remnants are being chased by two developing low-pressure areas. NASA's GOES-West satellite imagery shows these systems moving westward towards Hawaii, with a 30% chance of development over the next couple of days.
A team of researchers, led by NSU's Alex Soloviev, used computational fluid dynamics and experiments to simulate the air-sea interface under hurricane force winds. They found that changes in microphysics can make a storm grow or weaken in intensity, with some hurricanes rapidly intensifying to Category 3.
The seventh tropical depression of the Eastern Pacific Ocean formed on July 25, with maximum sustained winds near 40 mph. The storm is expected to continue moving westward, with NHC forecasting no strengthening due to increased wind shear.
Typhoon Matmo made its final landfall in mainland China on July 23, bringing category one winds of 74 knots. The typhoon's center moved inland over southeastern China, with rapid weakening expected due to friction and an approaching trough.
The Hurricane Imaging Radiometer (HIRAD) will fly aboard a NASA Global Hawk aircraft during the HS3 mission, providing unique observations of sea surface wind speed, temperature, and rain. HIRAD's data will advance understanding and predictability of hurricane intensity, helping to determine maximum wind speed and structure of the vortex.
The NASA Aqua satellite detected a low-pressure area that became Tropical Depression 2, with cloud top temperatures exceeding -63F/-52C indicative of strong thunderstorms and powerful uplift.
A recent study by Ren examined the causes of a devastating debris flow in China, which killed over 1000 people. The research found that geological conditions, surface loading, vegetation roots, and extreme precipitation all contributed to the disaster.
A moisture stream from the remnants of Tropical Storm Wali caused early morning flash flood watches on July 19 and 21 for all Hawaiian Islands. Heavy rainfall generated by thunderstorms in the eastern half of the island resulted in a flood advisory, posing a threat to residents and visitors.
UM Rosenstiel School scientists have developed a new method to improve storm intensity prediction of hurricanes, focusing on the air-sea interface. The study suggests that instability in this region can explain rapid intensification of tropical storms.
Tropical Storm Fausto has degenerated into a remnant area of low pressure, with forecasters attributing its weakening to vertical wind shear and mid-level dry air. The remnants are expected to dissipate as they move through an area of increasing wind shear.
The Global Precipitation Measurement (GPM) Core Observatory followed Hurricane Arthur through its full life cycle, providing the first time a precipitation-measuring satellite has been able to capture its structures. GPM data showed Arthur's asymmetrical shape with spiral arms on the eastern side but not on the western side.
Tropical Storm Fausto strengthened quickly after forming as Tropical Depression Six-E on July 7. Satellite imagery shows the storm being pursued by a developing area of low pressure to its east, with NOAA's GOES-West satellite capturing the scene.
Hurricane Arthur made landfall in North Carolina on July 3, bringing powerful 'hot towers' of thunderstorms that indicate strengthening. The TRMM satellite spotted these storms before landfall, providing a 3D view of the hurricane's structure.
Tropical Storm Douglas is on a weakening trend, with decreasing thunderstorm activity and warming cloud tops. The storm's low-level circulation and shallow eye-like feature persist despite the waning uplift of air.
NASA's Aqua satellite captured a cloud-covered eye of Tropical Storm Arthur, which strengthened into a hurricane with maximum sustained winds near 75 mph. The storm's center was expected to approach the coast in the hurricane warning area tonight, July 3.
Tropical Storm Douglas is weakening due to cooler waters and drier air in the Eastern Pacific Ocean. The storm's maximum sustained winds have decreased to near 45 mph, with forecasters predicting a gradual decline in strength over the next day.
Heavy rainfall was spotted by NASA's TRMM satellite around Tropical Storm Arthur's center on July 1, with rates reaching up to 2 inches per hour. The storm is expected to strengthen into a hurricane over the next two days, affecting the southern U.S. coastline.
The study recommends that HPEN consumers develop an emergency kit, including a basic emergency kit and an HPEN emergency kit, as well as contact lists for family, friends, physicians, and pharmacy providers. Homecare providers are advised to focus on consumer safety, minimizing service interruptions, and developing contingency plans.
The TRMM satellite captured heavy rainfall in dissipating former Hurricane Cristina, with rain rates reaching almost 97 mm per hour in the northwestern side of its eye wall. The storm's powerful thunderstorms reached heights above 13.5 km, and its eye wall was broken on the eastern side.
Former Hurricane Cristina has lost all its convection and thunderstorms, becoming a ghost of its former self. The system has weakened to a remnant low pressure area with maximum sustained winds near 20-25 knots (23-29 mph/37-46 kph) in the Eastern Pacific.
Hurricane Cristina intensified rapidly on June 12 before quickly weakening the next day, with cloud top temperatures decreasing by nearly 30C. The storm's convection weakened, causing cloud heights to drop and temperatures to rise.
Hurricane Cristina has reached Category 4 status with maximum sustained winds near 155 mph. The National Hurricane Center expects the storm to maintain major hurricane strength for another 36 hours, posing life-threatening surf and riptide conditions along Mexico's west coast.
Heavy rainfall was observed in Tropical Storm Cristina by NASA's TRMM satellite before intensification into a hurricane. The storm is expected to strengthen further with ideal environmental conditions.
Tropical Storm Cristina was born in the Eastern Pacific Ocean near Mexico, with maximum sustained winds of 35 mph. The storm's strong thunderstorms are producing life-threatening surf and rip current conditions along western Mexico's coast.
A tropical low pressure area in the Bay of Campeche is showing signs of development, with cloud-top temperatures near -63F (-52C). The system has a 50% chance for formation, threatening southeastern Mexico with heavy rains and life-threatening flash floods.
Steinberg's book examines the massive changes to land and water that began with Henry Hudson's 1609 adventure, transforming wetlands and water quality. The city's dense, urban development has engulfed areas once home to 55 distinct ecological communities.
The remnants of Tropical Storm Boris are merging with a low-pressure area in the southwestern Gulf of Mexico, according to NASA and NOAA satellite data. The system, now known as System 90L, has a medium chance of developing into a tropical depression, threatening heavy rainfall and flash flooding in southeastern Mexico.
A new study suggests that Hurricane Sandy's influence on the 2012 presidential election was minimal, with voters' attitudes towards Obama shifting from positive to negative after Election Day. The study found no significant impact of Sandy on Obama's vote share, contradicting pundit claims that the storm cost him the election.
Tropical Storm Boris strengthened into a depression before making landfall in southern Mexico, bringing heavy rainfall and flash flooding. The storm's slow movement exacerbated localized rainfall amounts, with the Mexican Weather Service reporting 12.5 inches of rainfall in one city.
A study by researchers at the University of Illinois found that severe hurricanes with feminine names result in a greater death toll due to people taking fewer protective measures. The analysis of over six decades of US hurricane deaths shows that storms with feminine names are seen as less foreboding, leading to increased vulnerability.
A new tropical low pressure area is brewing in the Eastern Pacific, with heavy rainfall expected to cause life-threatening flash floods and mudslides in western Central America. The National Hurricane Center gives System 93E a 90% chance of becoming a tropical depression in the next 48 hours.
A new NASA satellite animation reveals Hurricane Amanda's rapid weakening from May 28 to May 30. The post-tropical cyclone's circulation center became harder to identify, indicating its demise.
Tropical Storm Amanda was bisected by NASA's CloudSat satellite on May 25, 2014, showing a deep area of moderate to heavy-moderate precipitation below the freezing level. The storm had become the strongest May hurricane on record for the Eastern Pacific basin before quickly weakening due to dry air and wind shear.
NASA is expanding its research on hurricanes and tropical storms with the HS3 mission, using unmanned aircraft and space-based instruments to investigate processes underlying hurricane formation and intensity. The mission aims to determine the effect of the Saharan Air Layer on storm formation and intensification.
NASA's TRMM satellite measured heavy rainfall at a rate of over 147 mm/h in the northwestern side of Hurricane Amanda's eye wall. The storm weakened to a tropical storm with maximum sustained winds near 65 mph.
Hurricane Amanda strengthened into a Category 4 hurricane over the Memorial Day weekend, with maximum sustained winds near 155 mph. The storm is currently moving north-northwest at 7 mph and has a minimum central pressure of 932 millibars.
Amanda strengthened into a tropical storm on May 23 with maximum sustained winds of 40 mph. The storm is expected to remain in weak steering flow and maintain its current trajectory.
The National Hurricane Center expects TD1E to strengthen into a tropical storm later today. The depression has maximum sustained winds increasing to 35 mph (55 kph) and is moving west-northwest at 5 mph (7 kph).
A 6.4 magnitude earthquake hit Mexico's Guerrero State on May 8, triggering rain from dissipating tropical low pressure system System 90E. NASA's Aqua satellite captured an infrared image of the system three hours later, showing high cloud tops and potential for heavy rainfall.
System 90E is a tropical low-pressure area located southwest of Zihuatenejo, Mexico, heading towards landfall in the region. The National Hurricane Center has given it a 20% chance of becoming a tropical cyclone over the next 48 hours.
Research published in the Journal of Epidemiology & Community Health found that hurricanes Katrina and Rita may have been responsible for up to half of all recorded stillbirths in the worst hit areas. The study suggested that the true fetal death toll may even be higher due to the displacement of people from devastated areas.
A tropical low pressure area is developing in the Eastern Pacific Ocean, with a 50% chance of becoming a tropical depression within two days. The system is expected to move northeastward towards the southwestern coast of Mexico, bringing heavy rainfall and potentially strong thunderstorms.
Stanford scientists warn that climate change will strengthen African easterly waves, bringing more intense rainfall to drought-prone areas. The warming atmosphere is also expected to increase dust transport across the Atlantic, affecting air quality and regional weather patterns.
A new study by Virginia Institute of Marine Science demonstrates the ability to predict a hurricane's storm tide at neighborhood and street levels. The team's high-resolution computer model was able to simulate water levels within 6-8 inches of those observed in New York City during Hurricane Sandy's approach and landfall.