NASA's HS3 hurricane mission and Terra satellite captured detailed data on Tropical Storm Dolly before it made landfall in eastern Mexico. The data revealed Dolly's strongest thunderstorms were around its center of circulation, indicating a more organized storm than Norbert.
Hurricane Cristobal is racing through the North Atlantic, losing its tropical characteristics. The storm is expected to remain a powerful extra-tropical cyclone over the region until Sunday.
Hurricane Marie has transitioned into a post-tropical storm, losing organized deep convection and thunderstorm development. The animation from NASA's GOES Project shows the storm's structure being blown apart, with clouds and showers north of the center.
TRMM analyzed Cristobal's movement northward along the US East Coast before it began to recurve away from the coast due to an approaching shortwave trough. The storm's sustained winds were reported at 70 knots (80.5 mph) with a partial eyewall observed in infrared imagery.
Hurricane Marie, over 400 miles in diameter, brings rough surf to southern California's coastline. The storm is expected to weaken and become a post-tropical cyclone as it moves northwest.
Heavy rainfall and intense convective storms were detected by NASA's TRMM satellite in Hurricane Cristobal, with some storms reaching heights of over 9.3 miles and generating heavy rain. The storm is expected to become a powerful extra-tropical cyclone over the North Atlantic by Friday.
NASA's HS3 mission investigates hurricane formation and intensity change using two unmanned Global Hawks, analyzing data on winds, temperature, pressure, and humidity. The mission aims to examine conditions that favor rapid intensification of tropical cyclones.
Karina, a former hurricane, was being drawn into Hurricane Marie's circulation in the Eastern Pacific. The National Hurricane Center reported that Karina's maximum sustained winds were near 30 mph on August 27, centered 1,185 miles west-southwest of Mexico.
Hurricane Marie has extended hundreds of miles from its eye, causing heavy rainfall and hurricane-force winds on nearby Socorro Island. The storm is also generating dangerous surf along the western coast of mainland Mexico.
Hurricane Marie is expected to swallow Tropical Depression Karina, which is being drawn into the powerful circulation of the hurricane. Karina's maximum sustained winds have dropped to 30 mph (45 kph), weakening the depression as it moves southeast at 6 mph (9 kph).
Hurricane Cristobal caused deaths in the Dominican Republic, Haiti, and Jamaica due to strong winds and flooding. The satellites provided critical data on rainfall rates and wind speeds, tracking the storm's intensification and forecasted path.
Tropical Storm Karina weakened due to strong wind shear from Hurricane Marie, according to NASA satellite data. Karina's maximum sustained winds dropped to 40 mph on August 25 as it moved east-southeast around the western edge of Marie.
Hurricane Marie reached Category 4 status on August 24, with maximum sustained winds of near 135 mph and a minimum central pressure of 944 millibars. The storm continued to cause dangerous surf along the west coast of Mexico, with swells affecting the southwestern coast and potentially life-threatening conditions expected.
Tropical Storm Marie rapidly formed off Mexico's coast, with powerful thunderstorms stretching towards the troposphere. The storm is expected to intensify rapidly due to warm sea surface temperatures, potentially becoming a hurricane by Monday, August 25. Rapid intensification is predicted due to favorable environmental conditions.
A recent study by NYU researchers found that NYU nurses deployed to other hospitals after Hurricane Sandy experienced significant stress and uncertainty. The mixed-methods study identified several psychosocial and practice-based challenges, including limited orientation time, legal concerns, and issues with patient assignments.
Hurricane Lowell strengthened into a Category One hurricane with sustained winds of 75 mph after being observed by NASA satellites. The storms' cloud top temperatures exceeded -63F, indicating high thunderstorms with potential heavy rainfall.
The 12th tropical depression of the hurricane season has formed in the Eastern Pacific, with satellite imagery showing it is significantly larger than nearby Tropical Storm Karina. The depression spans approximately 800 nautical miles in diameter, dwarfing typical sizes of around 350 miles/600 km.
NASA satellite data shows Tropical Storm Karina's consistent strength and thunderstorm development since weakening from hurricane status. The storm's cloud pattern has remained relatively unchanged, with strong thunderstorms circling the center, especially on the northern edge.
Hurricane Karina's vertical wind shear was evident in NASA imagery captured on August 14, with clouds being pushed to the western side of the storm. The National Hurricane Center predicts further weakening over the next two days as Karina moves over sea surface temperatures near 26C.
Hurricane Julio is moving north-northwest towards Hawaii, expected to weaken due to vertical wind shear. Two tropical lows are also developing in the Central Pacific Ocean, with low chances of formation.
NASA's Fermi and Aqua satellites captured two distinct views of Hurricane Julio as it intensified: a gamma-ray flash produced by the powerful electric fields in thunderstorms, and a more structurally organized storm. These findings provide insights into the complex relationship between thunderstorms and hurricane dynamics.
Hurricane Iselle is expected to bring heavy rains, high surf, and damaging winds to Hawaii. Rainfall totals of 5-12 inches are predicted along its track, with storm surge up to 3 feet expected on the Big Island.
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.
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.
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.
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.
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 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
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 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.
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.
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.
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.
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.
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 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.
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.
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 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 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.
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.
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'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.
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).
Tropical Cyclone Ita has intensified to a Category Four hurricane with winds near 132 mph, threatening catastrophic damage and power outages in Queensland. NASA's Terra satellite captured visible images of the storm, revealing powerful thunderstorms and heavy rainfall rates reaching up to 163 mm/h.
The CYGNSS mission will determine how a tropical cyclone forms and strengthen, improving hurricane forecasting and tracking. NASA has given a preliminary go-ahead to proceed with instrument development and launch of the hurricane-studying mission's eight microsatellites.
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.
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.
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.
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.
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.
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.
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.