Articles tagged with Hurricanes
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NASA's Atmospheric Infrared Sounder instrument captured an infrared image of System 90E, revealing strong thunderstorms and heavy rainfall. The low-pressure system strengthened into Tropical Depression 11E, forecasted to move west-northwest towards the coast.
NASA's Global Hawk aircraft and satellites closely monitored Tropical Storm Nadine's development, capturing detailed data on wind patterns, rainfall rates, and storm structure. The storms were analyzed using a combination of NASA satellites, including TRMM, GOES-13, and Aqua.
Researchers at North Carolina State University have developed a new method for forecasting seasonal hurricane activity that outperforms traditional techniques by 15%. The approach identifies key combinations of factors most predictive of hurricane activity and provides a probability scale for the forthcoming season. With an 80% accurac...
The mission aims to study the processes that underlie hurricane formation and intensity change. The data collected will help scientists decipher the relative roles of large-scale environment and internal storm processes.
Tropical Storm Leslie has moved away from Newfoundland, becoming a post-tropical cyclone as it skirts southern Iceland. In contrast, Tropical Storm Michael is weakening due to its location over cool waters and strong wind shear, forecast to become absorbed by a front soon.
Tropical Storm Leslie and Hurricane Michael are being closely monitored by NASA, with Leslie now past Bermuda and Michael weakening due to cooler waters. Leslie is expected to transition from a warm core system to a cold core system, while Michael's weakening is attributed to atmospheric conditions and ocean temperatures.
NASA satellites captured stunning visible and infrared images of Hurricane Michael's eye, revealing clear views of the Atlantic Ocean. The storm's cloud top temperatures cooled around its center on September 7.
Hurricane Leslie appears to be 'closing its eye' on NASA satellite imagery, a sign of weakening, and dropped from hurricane to tropical storm on Sept. 7. The storm is expected to move northward, potentially regaining hurricane status over the weekend.
NASA's Global Hawk aircraft has begun flying over Hurricane Leslie in the Atlantic Ocean, collecting data on hurricane formation and intensification. The mission will help researchers understand the relative roles of large-scale environment and internal storm processes in shaping hurricanes.
Hurricane Isaac brought beneficial rain to drought-stricken regions in the Midwest, with rainfall totals ranging from 40-120 mm. The storm also caused significant flooding in Haiti and southeastern Florida, resulting in fatalities and property damage.
NASA's TRMM satellite observed intense rainfall and towering thunderstorms in Hurricane Michael, indicating a potential intensification. Over the next 24 hours, Michael's maximum sustained winds more than doubled from 50 mph to 115 mph.
NASA's Aqua satellite captured two images of Hurricane Leslie on Sept. 5, just as it was being re-classified from a tropical storm to a hurricane. The MODIS and AIRS instruments provided infrared and visible imagery of the storm, showing an eye had formed in Leslie.
Tropical Storm Michael showcased strong thunderstorms in its northeastern 'arm' with cloud top temperatures reaching -63 Fahrenheit (-52 Celsius), indicating heavy rainfall. The storm is expected to continue moving northeast and may strengthen into a hurricane by Friday due to relaxing wind shear.
Tropical Storm Leslie is experiencing slow strengthening due to cooler ocean waters kicked up by its slow movement, sapping its strength. The storm is also battling weaker wind shear, which has been gradually decreasing, allowing it to potentially reach hurricane status later in the day.
Tropical Storm John existed for only one day, intensifying from a depression to a storm and weakening back into a depression. NASA's Aqua satellite observed convection and cloud top temperatures, but these features diminished as the storm moved north into cooler waters.
Tropical Storm Leslie showed little change in form and strength over a 22-hour period, with maximum sustained winds remaining near 60-65 mph. The storm is expected to strengthen into a hurricane by the end of the week as wind shear relaxes.
Tropical Storm Michael formed on Sept 4 with winds of near 40 mph, struggling to intensify like sister storms Leslie and Isaac. Remnants of Isaac blanket the US east coast, while Leslie heads towards Bermuda, larger in size than Michael.
Tropical Storm Kirk intensified into a hurricane on Aug. 30, becoming the fifth of the season, while Tropical Depression 12 formed in the central Atlantic Ocean. TD12 is expected to strengthen over warm waters and potentially become a hurricane by Sept. 2.
Tropical Storm Isaac is bringing heavy rainfall and a storm surge to the US Gulf Coast region and lower Mississippi River Valley, with NASA satellites providing critical data on rainfall rates and intensity. The National Hurricane Center expects prolonged flooding in the affected area, with total rainfall amounts of 7-14 inches expected.
NASA's TRMM satellite spotted hot towers around Ileana's center, indicating a strong increase to hurricane status. The storm strengthened into a Category 2 hurricane with sustained winds of 80 mph within 24 hours.
Hurricane Isaac made two landfalls in southeastern Louisiana, causing widespread flooding due to its slow movement and intense energy from warm Gulf waters. The storm also brought isolated tornadoes as it moved inland, posing a significant threat to the region.
Tropical Storm Isaac is expected to make landfall in the US Gulf Coast, bringing storm surge and heavy rainfall. NASA satellites are providing critical data for forecasters to track the storm's progress.
Hurricane Isaac is expected to bring heavy rain and storm surge to the northern Gulf Coast. The large storm system poses a threat for flooding due to its slow movement over Louisiana, and residents are bracing for the arrival of the hurricane.
Tropical Storm Isaac is showing signs of consolidation according to NASA's infrared time series data, indicating a more organized circulation center. The storm is expected to strengthen into a hurricane over warm waters of the Gulf of Mexico.
Heavy rainfall observed by NASA's TRMM satellite over Tropical Storm Isaac poses significant risks to the eastern Caribbean, particularly Hispaniola and Cuba. The storm is expected to bring extreme rainfall totals of 8-12 inches, with isolated amounts reaching up to 20 inches.
NASA has detected a newborn Tropical Storm Joyce in the Central Atlantic, with organized circulation and cold cloud top temperatures indicating strength. The storm is being affected by a dry Saharan air layer, which is unusual for tropical cyclones, and is expected to follow a southern edge of high pressure over the ocean.
Scientists suggest cloud seeding could reduce hurricane power by a category by increasing sunlight reflection in clouds above hurricane development regions. The technique, Marine Cloud Brightening, could also lead to increased rainfall in some areas but not others.
Tropical Storm Isaac is expected to bring heavy rainfall to the Eastern Caribbean, according to NASA's Tropical Rainfall Measuring Mission satellite. The storm has weakened slightly since its formation in August, but remains a tropical storm with sustained winds near 40 mph.
Tropical Storm Isaac is bringing heavy rainfall to the Lesser Antilles, while Tropical Depression 10 forms east of Isaac. Both storms are showing good circulation and are expected to strengthen in the coming days.
NASA's Terra and Aqua satellites monitor low-pressure areas with a chance of becoming tropical depressions, storms, and hurricanes in the Atlantic Ocean. Tropical Depression 9 is expected to strengthen into a tropical storm, while System 96L has a high chance of becoming the tenth tropical depression of the season.
Hurricane Gordon was tracked for three days by NASA satellites, showing its strength and eye structure. The storm weakened to a tropical storm on August 20 with maximum sustained winds near 70 mph.
Tropical Depression 7's remnants are regaining strength in the warm waters of the Bay of Campeche, Mexico. The National Hurricane Center warns of a high chance (70%) of reformation into a tropical depression.
Tropical Storm Gordon's clouds became less symmetric due to southwesterly wind shear, indicating a shift in its circulation. The storm was moving eastward at 18 mph with sustained winds near 65 mph.
Tropical Depression 8 strengthened into Tropical Storm Gordon on August 15, after days of organization and development across the eastern Atlantic. The storm is expected to track east into the Atlantic, potentially affecting the Azores, with strengthening expected over warm waters.
Tropical Storm Hector continues to weaken, while Tropical Depression 7's remnants move over Central America. Hector's small circulation is spinning off Mexico's western coast, with the remnants of TD7 producing showers and thunderstorms across parts of Central America and Mexico.
Researchers found that when hurricanes blow over ocean regions swamped by fresh water, the conditions can intensify the storm. This results in a 50 percent increase in intensity, which can lead to much larger destruction and death.
NASA's GOES Project provides a complete view of the Atlantic and eastern Pacific Ocean basins. As of August 13, the Atlantic tropics are quieter, with fewer low-pressure areas than the previous week. Tropical Storm Hector in the east Pacific is weakening due to wind shear.
A recent Texas A&M University study reveals that hurricanes can intensify by 50% faster when passing over large areas of fresh water, making them more devastating. The research analyzed Tropical Cyclones for the decade 1998-2007 and found a significant correlation between freshwater regions and increased storm intensity.
NASA is monitoring four tropical systems across the Atlantic, including Tropical Depression Ernesto, which is generating heavy rainfall over Mexico's mountains. Meanwhile, the remnants of Tropical Storm Florence are lingering near Puerto Rico, while Tropical Depression 7 and System 93L may develop into new cyclones in the coming days.
Tropical Storm Gilma has maximum sustained winds near 65 mph, expected to weaken due to vertical wind shear. A low pressure area formerly known as Tropical storm Ernesto has a 60% chance of developing into a tropical depression in the Eastern Pacific.
Hurricane Gilma showed concentrated areas of very cold cloud tops with temperatures as low as -63F (-52C), indicating powerful thunderstorms. The storm is moving towards cooler waters, expected to weaken over the next day.
Heavy rainfall and high thunderstorms are expected from NASA's observations of Tropical Storm Ernesto, with estimated totals of 12 inches in isolated areas. The storm's center is surrounded by strong storms, producing cloud top temperatures as cold as -63F (-52C).
Tropical Storm Ernesto has its strongest thunderstorms on the eastern and northern sides of the storm. The area of strongest storms has expanded during the morning hours of August 7, wrapped around the center of circulation.
Tropical Storm Florence developed over the eastern Atlantic, strengthened briefly, and then weakened due to dry air and Saharan dust. NASA's Aqua satellite captured infrared images of the storm on August 4 and 5, showing a larger spiraled storm with diminishing thunderstorms.
Tropical Storm Ernesto is strengthening with NASA tracking its progress, revealing strong thunderstorms and deep convection on August 5. The storm's maximum sustained winds were near 50 mph on August 5, and it continued to strengthen after passing over the Aqua satellite.
NASA's Terra satellite captured an image of Tropical Storm Ernesto as it approached the Lesser Antilles on August 2, 2012. The storm brought maximum sustained winds near 45 mph and a wind gust in Saint Lucia during the morning of August 3.
A NASA satellite has spotted a developing Atlantic tropical low with strong, high thunderstorms indicating organization and strength. The system, System 99L, is forecast to have a 70% chance of becoming a tropical depression in the next two days.
NASA's Aqua satellite data shows Fabio with very little strong convection and heavy rainfall, moving north of its center. Sea surface temperatures are too cold to support a tropical cyclone, and the storm is expected to dissipate in a couple of days.
Tropical Storm Fabio is expected to bring scattered showers and thunderstorms to southern California as it approaches the coast. NASA's Aqua satellite data indicates the storm has weakened due to cooler ocean temperatures.
Remnants of Hurricane Emilia appear as a light swirl of clouds about 800 miles east-southeast of Hilo, moving west at close to 20 mph. Conditions are not favorable for re-development, and the storm is expected to weaken to depression status in cooler waters.
The remnants of Tropical Storm Daniel are visible on satellite imagery as a ghost-like swirl of clouds, heading towards Hawaii. The system is forecast to pass south of the state without affecting it.
The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument captured a visible image of Hurricane Emilia on July 12, revealing an eye with high clouds overhead. Infrared data from the Atmospheric Infrared Sounder (AIRS) instrument showed powerful thunderstorms and cold cloud tops surrounding the eye of the hurricane.
Hurricane Emilia has weakened to a Category 2 hurricane with maximum sustained winds of 105 mph, as it moves west-northwest at 10 mph.
NASA's GOES-15 satellite captured an image of three tropical systems chasing each other in the eastern Pacific Ocean, with Tropical Storm Daniel and Hurricane Emilia at the center. The system is expected to weaken to tropical depression status by July 11.
Cloud top temperatures around Hurricane Emilia's eye were measured to be colder than -94F, indicating high-energy storms. NASA's Aqua and Terra satellites tracked the hurricane's rapid strengthening and weakening phases.
Two hurricanes, Daniel and Emilia, are being tracked by NASA's TRMM satellite, which showed intense rainfall in Emilia's northwestern quadrant. Hurricane-force winds extend only 25 miles from the center of both storms, with Emilia expected to intensify further
NASA's TRMM satellite revealed heavy rain falling around the southern periphery of Tropical Storm Daniel's center, reaching rates of over 2 inches/50 mm per hour. The storm is moving westward into the open waters of the eastern Pacific, with maximum sustained winds increasing to 65 mph.
Tropical Storm Debby caused widespread flooding and heavy rain in Florida, with the highest rainfall totals exceeding 380 mm (~15 inches). The storm's effects were felt well away from its center, resulting in an outbreak of tornadoes over central and southern Florida.
A study by Princeton University researchers reveals that expectant mothers who experienced a hurricane or major tropical storm during pregnancy had children at elevated risk for abnormal health conditions at birth. The study controlled for other factors and found increased risk following exposure to weather-related stressors in the fir...
Debby has weakened due to interactions with land, losing organization and moving towards the Atlantic Ocean. The storm brought heavy rain and flooding to northern Florida, causing damage to Interstate 10.