Research on hurricanes and tropical storms. Covers AI storm tracking, wind-damage assessment, warning systems, and Hurricane Hunter data.
Lidia, a tropical cyclone, weakened and degenerated into a remnant low-pressure area on Sept. 2. The National Hurricane Center issued its final advisory at 5 a.m. EDT, noting the storm had lost deep convection and was expected to dissipate by Monday night.
Hurricane Irma has strengthened to a Category 5 hurricane with maximum sustained winds near 175 mph, posing an extremely dangerous threat to the northern Leeward Islands. NASA and NOAA satellites have been providing critical imagery and data to forecasters, indicating significant fluctuations in intensity over the next few days.
The Suomi NPP Satellite provided a night-time image of Hurricane Irma, revealing powerful thunderstorms with cloud top temperatures as cold as 190 kelvin. The Global Precipitation Measurement (GPM) mission confirmed heavy rainfall within the hurricane, with a convective storm dropping rain at a rate of almost 6.3 inches per hour.
Hurricane Lidia made landfall on the Baja California peninsula, bringing soaking rains and threatening life-threatening flash floods. The storm's strongest storms surrounded its center, with coldest cloud top temperatures exceeding minus 81 degrees Fahrenheit.
Tropical Storm Irma is steadily strengthening and nearing hurricane strength, with maximum sustained winds reaching near 70 mph and a central pressure of 997 millibars. Satellite imagery shows the storm becoming better organized with a developing central dense overcast.
A large system is producing torrential rains over southwestern Mexico, prompting warnings and watches. The NASA Aqua satellite detected Potential Tropical Cyclone 14E, which is expected to strengthen into a tropical storm by tonight.
The Global Precipitation Measurement mission detected heavy rain and strong convective storms in the area where Tropical Storm Irma was forming. The storm is expected to strengthen over the next 48 hours, potentially becoming a hurricane on Friday, September 1st.
Tropical Storm Harvey is expected to produce heavy rainfall accumulations of 15-25 inches over the upper Texas coast and into southwestern Louisiana. The storm's center is located near Port O'Connor, Texas, with maximum sustained winds near 40 mph and slight re-strengthening possible later today.
Using satellite data, NASA calculated Tropical Storm Harvey's accumulated effects of rain, with totals reaching on the order of 20 inches near Galveston Bay and over 10 inches in western Louisiana. The analysis shows widespread massive flooding across the region, similar to Tropical Storm Allison in 2001.
Harvey's heavy rainfall was measured by NASA's GPM satellite, showing intense storms dropping rain at a rate greater than 3.2 inches per hour. The storm's eye made landfall as a Category 4 hurricane between Port Aransas and Port O'Connor, Texas, causing catastrophic flooding. The National Hurricane Center predicts total rain accumulati...
NASA used its Global Precipitation Mission (GPM) satellite to analyze Hurricane Harvey's intense rainfall, revealing powerful storms dropping rain at a rate of over 2.1 inches per hour. The hurricane is expected to produce devastating and life-threatening flooding in Texas and Louisiana, with maximum sustained winds near 110 mph.
Kenneth remains a well-organized gale-force tropical low pressure area with maximum sustained winds near 40 mph. The storm is moving north-northwestward towards the north and weakening over the next couple of days.
Tropical Storm Harvey is intensifying with heavy rainfall, forecast to bring life-threatening flooding and strong winds to the middle Texas coast. The National Hurricane Center predicts rain accumulations of 12-20 inches in some areas, with totals exceeding 30 inches in isolated regions.
Satellite imagery reveals Tropical Storm Kenneth's weakening due to wind shear and cooler sea surface temperatures. The storm is expected to become a remnant low-pressure area later on Aug. 23 or Thursday.
Tropical Depression Harvey has regenerated into a tropical depression in the Gulf of Mexico, with NASA tracking its cloud pattern and temperature. The National Hurricane Center predicts heavy rain accumulations of 10-15 inches over Texas and Louisiana, with storms potentially exceeding -63 degrees Fahrenheit, capable of generating heav...
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.
Hurricane Kenneth, a category 4 storm, has strengthened significantly in the Eastern Pacific, with maximum sustained winds reaching 130mph. The National Hurricane Center forecasts a turn toward the northwest, then north-northwest over the next couple of days.
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Before becoming a post-tropical cyclone, NASA observed Hurricane Gert's intense rainfall of over 2.94 inches per hour. The storm's eastern side was experiencing powerful bands of rain, with some areas reaching up to 7.5 miles in height.
Hurricane Gert is being affected by strong wind shear, causing it to become elongated. The storm's convective structure has rapidly deteriorated due to cold sea surface temperatures and increasing vertical wind shear.
The Atmospheric Infrared Sounder instrument detected very cold cloud top temperatures exceeding minus 63 degrees Fahrenheit, suggesting the presence of intense thunderstorms that can generate heavy rain. The hurricane's center was located near Bermuda and Halifax, Nova Scotia, with forecasted strengthening and weakening phases.
Tropical Storm Gert strengthened into a hurricane, generating intense rainfall and dangerous surf along the US East coast. The storm's eastern side showed the most intense rainfall rates, with some areas reaching over 3.5 inches per hour.
Tropical Storm Jova formed on August 11, but just two days later, it was being torn apart by strong vertical wind shear. The storm weakened into a post-tropical cyclone by August 14, with maximum sustained winds near 35 mph and an estimated minimum central pressure of 1005 millibars.
Tropical Depression Eight strengthened into Tropical Storm Gert, showing better-organized bands of thunderstorms spiraling into its center. The storm is forecast to strengthen further and potentially become a hurricane by Wednesday.
NASA provided three different views of former Hurricane Franklin, revealing powerful storms and heavy rainfall before it dissipated. The Global Precipitation Measurement mission detected intense feeder bands on the western side of the tropical storm dropping rain at rates over 2.8 inches per hour.
Tropical Storm 14W formed over Wake Island, taking a unique comma shape with thunderstorms surrounding its center. The storm is expected to intensify and turn north before becoming extratropical.
NASA analyzed data from Tropical Storm Franklin before it made landfall in east-central Mexico, revealing intense storms with tops reaching heights of over 9.4 miles. The analysis showed heavy rainfall rates of over 2.4 inches per hour in bands around the storm's southwestern side.
Tropical Storm Franklin strengthened after NASA-NOAA's Suomi NPP satellite captured its cold cloud tops on August 8. The storm is forecast to become a hurricane and make landfall in eastern Mexico as a hurricane tonight or early Thursday. Maximum sustained winds are near 70 mph.
Tropical Storm Franklin generated heavy rain when observed by NASA's GPM satellite, with rainfall rates exceeding 1.6 inches per hour around the center and south of its circulation. The storm is expected to bring life-threatening flash floods and mudslides to Mexico's Yucatan Peninsula.
Tropical Storm Franklin formed in the Caribbean Sea on August 6 and is expected to make landfall in Mexico. The storm's maximum sustained winds are near 60 mph with higher gusts, and it could reach hurricane strength before landfall.
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NASA's Aqua satellite captured an image of extra-tropical storm Nalgae near the Kuril Islands, indicating a transition from tropical to non-tropical characteristics. The storm was moving north-northwest at 20 mph with maximum sustained winds down to 28.7 mph.
The 11th Eastern Pacific hurricane season tropical depression formed on August 4 despite being affected by wind shear. GOES-West and GOES-16 satellites captured images showing a low-pressure area with a well-defined center, indicating the storm's strength.
NASA and NOAA captured images of remnant clouds from former Tropical Storm Emily off the coast of South Carolina. The system had lost its tropical characteristics and was declared post-tropical after a frontal zone engulfed it.
Tropical Storm Irwin's eastern half has a larger concentration of thunderstorms than the rest of the storm, according to NOAA's GOES-West satellite imagery. The National Hurricane Center forecasts little change in intensity before Irwin merges with Tropical Storm Hilary.
NOAA's GOES-West satellite captured an infrared image of Hurricane Hilary on July 27, revealing the storm remains somewhat sheared. The National Hurricane Center expects slight weakening during the next 48 hours, with Hilary expected to be at or near hurricane strength until the weekend.
Tropical Depression Greg appears as a low-swirl of low clouds with some patches of convection on July 26. It is moving west at 12 mph and has sustained winds near 30 mph, forecast to become a remnant low later.
NASA closely monitored Hurricane Hilary's development, noting its compact nature with winds extending 15 miles from the center. The storm was forecast to move westward at 13 mph, with some slowing down over the next couple of days.
NASA's Suomi NPP satellite captured a visible light image of hurricane Irwin on July 25, showing an elongated band of thunderstorms around its circulation. By July 26, the cloud pattern had significantly deteriorated, with Irwin consisting of a tight circulation center surrounded by deep convection.
Tropical Storm Greg is weakening due to wind shear in the Eastern Pacific Ocean, with convection confined to its northwestern quadrant. The storm is expected to move towards the northwest and then west, leading to a gradual decline in its strength.
The Atmospheric Infrared Sounder instrument aboard NASA's Aqua satellite gathered data on Tropical Storm Irwin, revealing a large area of strong storms with cloud top temperatures as cold as minus 63 degrees Fahrenheit. This suggests that the storm has the potential to generate heavy rainfall and strengthen into a hurricane.
Hurricane Hilary is strengthening in the Eastern Pacific and is expected to become a major hurricane by July 27. The Suomi NPP satellite captured an image of the storm's compact inner core with powerful thunderstorms circling it.
Tropical Storm Greg is losing shape due to dry air in the surrounding atmosphere, resulting in a less-rounded tropical cyclone. Maximum sustained winds are near 45 mph with higher gusts, weakening is forecast during the next 48 hours.
Hurricane Hilary strengthened into a hurricane on July 24, with organized winds extending up to 10 miles from the center and higher gusts. The National Hurricane Center expects Hilary to become a major hurricane on Tuesday, July 25.
NASA's GOES-West satellite captured an infrared image of Tropical Storm Irwin on July 24, revealing a better-organized tropical cyclone. The storm is expected to become a hurricane within the next 48 hours.
Tropical Storm Greg is intensifying with near 60mph winds and forecast to become a hurricane by Sunday. The storm absorbed moisture from the remnants of Tropical Depression 8E.
Tropical Storm Fernanda has weakened due to cooler water, dry air, and southwesterly vertical wind shear. GPM's radar revealed powerful convective storms dropping rain at nearly 7.2 inches per hour in the northwestern quadrant.
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.
Tropical Depression 8E is characterized by a lack of organized circulation in NASA's Aqua satellite imagery. The depression is forecast to become a remnant low by this weekend, with a turn towards the southwest or south-southwest expected.
Tropical Storm Greg is one of three cyclones in the Eastern Pacific, located near 14.3 degrees north latitude and 111.0 degrees west longitude, about 550 miles southwest of Manzanillo, Mexico. As of July 19, its maximum sustained winds were near 45 mph with higher gusts, and it's forecast to gradually strengthen over the next 48 hours.
Tropical Storm Don formed rapidly off Barbados, with a tropical storm warning issued for Grenada and St. Vincent. NASA's AIRS instrument analyzed the storm using infrared light to identify strong thunderstorms and cloud top temperatures as cold as -63 degrees Fahrenheit.
A new Tropical Storm Depression 8E formed in the Eastern Pacific Ocean on July 18, with deep convection developing closer to its center. The depression is expected to move towards the west and southwest, with slight strengthening possible, potentially becoming a tropical storm within the next day.
Hurricane Fernanda's maximum sustained winds reached 100 mph, with further strengthening anticipated in the next 48 hours. The storm is moving westward at 12 mph and is expected to become a major hurricane today.
Former Hurricane Eugene has diminished to a small area of convection in the northeastern quadrant. The storm's remnant circulation is expected to continue moving northwest and dissipate over the next couple of days.
Tropical Storm Fernanda is strengthening as it moves west through the Eastern Pacific Ocean, nearing hurricane strength. The National Hurricane Center predicts significant strengthening over the next 48 hours, with Fernanda expected to become a hurricane later today.
Tropical Depression 6E formed near southwestern Mexico on July 11, strengthening into Tropical Storm Fernanda within six hours. The storm showed cloud top temperatures as cold as -63 degrees Fahrenheit, indicating towering thunderstorms and heavy rainfall potential.
Heavy rainfall was measured by NASA's GPM mission over Hurricane Eugene as it approached its peak on July 8. The storm weakened to a tropical storm by July 11, with rain diminishing significantly in the northwestern quadrant.
NASA satellites studied Hurricane Eugene in infrared and visible light, capturing images of its eye opening and closing. The storm caused dangerous ocean swells along the western coast of Baja California, Mexico, despite being far from land.
NASA satellite imagery revealed Tropical Depression 4 is losing its punch, moving into a relatively dry environment. The National Hurricane Center expects the storm to degenerate into a remnant low pressure area tonight.
NASA's Global Precipitation Measurement mission tracked Dora's transformation from moderate rainfall to barely any, revealing a rapid dissipation process. The storm's convection was absent in most of its southeastern side, and its low-level center exposed to outside winds