Research on hurricanes and tropical storms. Covers AI storm tracking, wind-damage assessment, warning systems, and Hurricane Hunter data.
Tropical cyclones exhibit non-uniform strength, with stronger sides extending higher into the troposphere. NASA's AIRS instrument captured cloud top temperatures of -63°F, indicating a strong storm capable of heavy rain. The storm's structure has improved since Sunday, with deep convection and a more circular shape.
Heavy rainfall was found to be occurring around the compact eye of Major Hurricane Marie, with NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) estimating rainfall rates ranging from 3-20mm/hour. The satellite data provides valuable insights into the storm's intensity and helps improve hurricane forecasting.
Hurricane Marie is rapidly growing stronger and more powerful, with cloud top temperatures reaching as low as -80°F. The National Hurricane Center expects Marie to become a major hurricane late on Oct. 1, with rapid strengthening forecasted.
Tropical Storm Marie is generating heavy rainfall, with estimated rates of 30-40 mm/h near its center. The storm's structure has been improving, and NASA satellite data suggests rapid intensification is likely.
A Texas A&M University study reveals that marine heatwaves can strengthen hurricanes by combining with extreme weather events. The research found that Hurricane Michael became a Category 5 storm due to the compounding effects of Tropical Storm Gordon and an atmospheric heatwave in the Gulf of Mexico.
NASA's Aqua satellite detected infrared data showing westerly vertical wind shear pushing strongest storms east of Tropical Storm Lowell's center, indicating wind shear. The storm's convection and distance from the center were on the margins of organized deep convection.
Tropical Storm Lowell was impacted by moderate northwesterly wind shear, weakening its circulation and causing it to spin more slowly. The storm maintained strength with deep convection bands located east of the exposed center.
Researchers found that Jupiter's storms behave similarly to hurricanes on Earth but with a much larger scale. The team used math derived from Lord Kelvin's proof to explain the storms' stable geometric arrangement, discovering anticyclonic rings cause them to repel each other.
Tropical Storm Lowell is moving west-northwest with increasing winds and no coastal watches in effect. NASA's Aqua satellite identified the strongest thunderstorms south of the storm's center, indicating potential for heavy rainfall. The storm's forecast suggests little change in strength over the next few days.
Paulette formed as Tropical Depression Seventeen and became a hurricane, then weakened into a post-tropical cyclone. NASA's Terra satellite found only one small area of convection with cloud top temperatures as cold as minus 50 degrees Fahrenheit.
Tropical Storm Dolphin battled intense wind shear as it approached east central Japan. Despite strong vertical wind shear, the storm remained consolidated with strong thunderstorms and a low-level circulation center. NASA's Terra satellite captured visible images of the storm, providing valuable data for hurricane research.
Post-tropical cyclone Teddy is generating heavy rainfall over eastern Canada, causing destructive waves and strong winds. NASA estimated rainfall rates around the center of circulation at 5-15 mm per hour, with heavier precipitation expected throughout most of the storm.
Tropical Storm Paulette reformed in the central North Atlantic Ocean, with estimated rainfall rates of up to 5mm per hour. NASA's IMERG satellite product provided near-real-time rainfall estimates, showing the storm's intensification and potential impact on the region.
Researchers at Dauphin Island Sea Lab found that pre-storm oceanic environments contribute to hurricane intensification. Marine heatwaves, like those caused by Hurricane Michael, can prime the coastal waters for extreme storm events.
Hurricane Teddy is threatening Eastern Canada with powerful storms and cold cloud top temperatures indicating strong storms. The hurricane's forecast track predicts it will move over Nova Scotia on Wednesday, bringing tropical-storm-force winds and large swells.
Hurricane Teddy's rainfall rates were estimated at around 30 mm per hour near the center of circulation, with heavier rain showers expected across Atlantic Canada between Tuesday and Thursday. The storm is forecasted to transition into a powerful post-tropical cyclone, posing risks of wind, rain, and storm surge impacts.
Tropical Storm Dolphin formed from Tropical Depression 14W, strengthening with deep convection and organized thunderstorms. The storm is expected to move north and then northeast, potentially strengthening to 55 knots.
A study examines evacuation behaviors during a global pandemic, revealing that people impacted by mandatory hurricane evacuations are choosing to shelter in place due to health concerns. The research aims to inform public health messaging and identify safety education strategies to increase household preparedness.
The NASA-NOAA Suomi NPP satellite found Post-Tropical Storm Alpha's remnants covering Portugal and northwestern Spain, following its short-lived formation and landfall in Portugal. The storm had degenerated to a post-tropical remnant low by Sept. 18.
Tropical Depression 22 is strengthening in the Gulf of Mexico, with NASA-NOAA's Suomi NPP satellite providing infrared images. The depression is forecast to move slowly and could strengthen into a hurricane by Sunday.
Hurricane Teddy generated up to 30 mm of rain per hour on its western side, with heavier rainfall expected near Bermuda. The storm is moving northwestward, increasing the risk of strong winds, storm surge, and heavy rainfall.
Subtropical Storm Alpha has formed near Portugal, with NASA's Aqua satellite capturing visible imagery of the storm. The storm is expected to move across the coast of west-central Portugal, producing 1-2 inches of rainfall and rapid weakening over land. Maximum sustained winds are near 50 mph, with higher gusts.
Tropical Storm Wilfred formed in the Eastern Atlantic Ocean on September 18, marking the end of the 2020 hurricane season. The storm is generating heavy rainfall rates, with estimates suggesting up to 30 mm per hour around its center.
Tropical Depression Vicky is a shadow of its former self, devoid of precipitation around its low-level center. The cyclone's strengthening wind shear has caused it to weaken and become a remnant low later today.
Hurricane Teddy's satellite appearance steadily developed overnight, with a ragged warming eye surrounded by convection. The storm is moving northwest at 12 mph, expected to continue for days, with maximum sustained winds of 120 mph.
NASA used satellites to estimate Hurricane Sally's rainfall and create a flood warning map. The storm generated high rainfall rates near its core, resulting in widespread flooding along the Gulf Coast.
Paulette's transformation into an extra-tropical storm revealed by NASA imagery, with visible clouds and wind circulation. The system is expected to weaken over the next couple of days, but still poses a threat to Atlantic Canada and the US east coast with life-threatening surf conditions.
Hurricane Sally made landfall near Gulf Shores, Alabama as a Category 2 hurricane with maximum sustained winds of 105 mph. Heavy rainmakers were detected north of the eye, with cloud top temperatures reaching -80 degrees Fahrenheit.
Tropical Storm Vicky is weakening due to strong southwesterly wind shear, with maximum sustained winds near 50 mph and higher gusts. The storm is expected to become a tropical depression in around 24 hours before weakening further.
Tropical Storm Karina is weakening due to unfavorable upper-level winds and cooler waters, forecast to become a remnant low by tonight. Its maximum sustained winds are near 40 mph with higher gusts, moving toward the northwest at 8 mph.
NASA's Aqua satellite detected the strongest storms on Hurricane Teddy's western side, with coldest cloud top temperatures as low as -81 degrees Celsius. This suggests that the storm is experiencing westerly wind shear, a phenomenon that can lead to heavy rain.
Teddy is consolidating in the Central North Atlantic Ocean with improved circulation and increasing maximum sustained winds. The storm's structure is slowly improving, with stronger thunderstorms around its core.
NASA's Aqua satellite captured a visible image of Tropical Depression Rene as it was dissipating in the central North Atlantic Ocean. The storm opened into a trough of low pressure and dissipated over several hours.
Tropical Storm Vicky is weakening due to strong southwesterly wind shear pushing its clouds to the northeastern quadrant. The storm's shape and organization are being distorted, and it is forecast to degenerate into a remnant low by Wednesday.
NASA's Aqua satellite found structural changes and the strongest side of Hurricane Paulette as it moved away from Bermuda. The storm is expected to undergo extratropical transition, weakening rapidly on Wednesday.
Hurricane Sally is expected to produce 10-20 inches of rainfall with isolated amounts of 30 inches along the central Gulf Coast. The storm's slow movement increases the risk of historic flooding and extreme life-threatening flash flooding, particularly in Florida and the southeastern United States.
NASA uses infrared data from the Aqua satellite to analyze low-pressure areas developing in the eastern Atlantic Ocean. The data reveals cloud top temperatures as cold as minus 63 degrees Fahrenheit, indicating strong storms capable of heavy rain.
Hurricane Paulette's large eye is approaching the island of Bermuda, prompting a Hurricane Warning. The storm has maximum sustained winds of near 90 mph and is expected to pass over the island during the next couple of hours.
Tropical Depression 20 strengthened into Tropical Storm Teddy, breaking a hurricane season record. The storm is expected to become a major hurricane later in the week, with life-threatening surf and rip current conditions forecasted for the Lesser Antilles.
Tropical Storm Paulette's unique shape is attributed to the strong southwesterly wind shear affecting it and its companion storm, Rene. Infrared imagery reveals powerful thunderstorms with cloud top temperatures as cold as minus 80 degrees Fahrenheit.
Tropical Storm Paulette's cloud top temperatures were as cold as minus 63 degrees Fahrenheit, indicating strong storms capable of creating heavy rain. The storm was weakened by wind shear, but forecast to re-strengthen over the weekend and potentially become a hurricane.
Tropical Storm Rene appears more organized as wind shear eases, becoming slightly circular on satellite imagery. The storm is forecast to strengthen into a hurricane by Saturday, Sept. 12, with no expected landfall impact.
NASA infrared data shows tropical cyclone Paulette experiencing strong wind shear, pushing clouds away from its center. This phenomenon can weaken the storm and indicate potential for heavy rainfall.
Tropical Storm Rene, formed on September 7 in the North Atlantic, brought strong winds and heavy rain to Cabo Verde Islands. The storm's center was located near latitude 16.5 degrees north and longitude 26.5 degrees west, with maximum sustained winds of 40 mph.
Tropical Storm Paulette set a new record for the earliest 16th named storm of any Atlantic season by 10 days. The storm's organization improved significantly since September 7, with forecasters noting improved convection and wind shear restrictions.
Haishen has strengthened into a Category 4 hurricane/typhoon with sustained winds near 140 knots (161 mph/259 kph), forecast to peak later on Sept. 4 and make landfall in South Korea after 3 days.
The NASA-NOAA satellite captured a nighttime image of Hurricane Nana just after it made landfall in southern Belize. The storm strengthened to a Category 1 hurricane with maximum sustained winds near 75 mph (120 kph) before weakening to a tropical storm as it moved inland.
Tropical Storm Omar was weakened to a depression as it continued to be battered by strong upper-level winds, according to NASA's Terra satellite imagery. The storm's wind shear pushed clouds east of the center, leading to its downgrade from a tropical storm.
Tropical Storm Nana has strengthened in the Caribbean Sea, with NASA's Terra satellite analyzing cloud top temperatures to monitor its progress. The storm is expected to become a hurricane by tonight, posing warnings and watches for areas in Central America and Belize.
Tropical Storm Omar formed on Sept. 1 off the coast of North Carolina, becoming the earliest 15th storm on record. NASA's satellite data revealed wind shear affecting the storm, causing it to strengthen and potentially generate heavy rainfall. The storm is now expected to weaken and become a remnant low-pressure area by Thursday, Sept. 3.
Tropical Depression 15 formed over the Atlantic Ocean, east of North Carolina, and has been battling wind shear. The depression is currently 140 miles east-southeast of Cape Hatteras, moving toward the east-northeast at 14 mph.
Researchers tracked changes in loggerhead sea turtle behavior before and after Hurricane Irene passed through the Mid-Atlantic Bight. The study found that turtles reacted to environmental changes, including cooler surface temperatures and disrupted thermocline layers, which influenced their movements and dive behavior.
Typhoon Maysak's eye is expected to pass just west of Okinawa Island within 24 hours. The storm has maximum sustained winds near 100 knots (115 mph/185 kph) and is predicted to make landfall in southern South Korea.
The NASA Terra satellite captured an infrared image of cloud top temperatures in Tropical Storm Hernan, showing its final burst of strength. The storm's powerful thunderstorms had coldest cloud top temperatures as low as minus 80 degrees Fahrenheit near the center.
Tropical Depression Laura is generating heavy rain and triggering watches across the eastern U.S., with a risk of tornadoes in parts of Mississippi, Tennessee, and southern Kentucky. The depression is moving east-northeast at 20 mph, expected to continue along the Ohio Valley through tonight.
Researchers at Carnegie Mellon University are developing an AI-powered system to automatically identify buildings and assess damage using amateur drone videos. The system, called MSNet, can overlay masks on damaged areas and determine the severity of damage, enabling faster and more accurate damage assessments.
Tropical Storm Bavi made landfall in northwestern North Korea, weakened to a tropical storm with maximum sustained winds near 40 knots. The storm has transitioned to an extra-tropical cyclone, retaining hurricane-force winds as it moves across northeastern China.
Tropical Storm Hernan forms in the Eastern Pacific, moving towards Mexico's coast. NASA's nighttime view reveals a sheared tropical cyclone with potential for heavy rainfall due to cold cloud tops.
Hurricane Laura made landfall as a powerful Category 4 hurricane along the Louisiana coast, with sustained winds near 150 mph and a clear circular eye. NASA-NOAA's Suomi NPP satellite captured a nighttime image of the storm just after landfall.
A new study found that extreme hurricane rainfall events in the Caribbean are five times more likely in a warmer world, but meeting Paris Agreement goals could reduce this risk by up to half. The research highlights the urgent need to tackle global warming and recommends targeting resilience funding towards the most at-risk areas.