The Tropical Rainfall Measuring Mission (TRMM) satellite measured powerful convective storms dropping rainfall at over 50mm/hr northwest of Maria's center. Heavy rainfall bands were detected between the storm's center and Bermuda, with winds predicted to reach minimal hurricane strength by 2:00 p.m. EDT.
Tropical Storms Nate and Lee are affecting the Gulf of Mexico, while raging wildfires in Texas are also being monitored. The National Hurricane Center forecasts Nate to become a hurricane and make landfall in Mexico this weekend.
Hurricane Katia is causing rough surf along the U.S. east coast, while Tropical Storm Lee's remnants bring heavy rain to the Mid-Atlantic states. Meanwhile, Tropical Storm Maria appears disorganized, and Tropical Storm Nate is expected to strengthen in the warm waters of the Bay of Campeche.
Tropical Storm Maria is expected to strengthen over the next two days, with maximum sustained winds near 50 mph. Hurricane Katia, a Category one hurricane, is moving between Bermuda and the U.S., prompting a tropical storm watch for the island.
NASA satellites have been monitoring Hurricane Katia's transition, capturing clear images of its cloud patterns and spiral shape characteristic of strong storms. The storm has undergone eyewall replacement, with a double-eyewall formation indicating it is likely to maintain major hurricane status.
Katia becomes a Category one hurricane with sustained winds near 75 mph, forecast to strengthen into a major hurricane by Sunday.
The TRMM satellite captured images of Tropical Storm Katia's moderate to heavy rain and banding patterns, indicating a cyclonic circulation. The storm is expected to strengthen into a hurricane as it encounters warmer waters and reduced wind shear, posing a threat to the Leeward Islands.
The Tropical Rainfall Measuring Mission (TRMM) satellite has compiled rainfall total maps for Hurricane Irene, showing the eastern US was hit with extreme rainfall. The heaviest rainfalls were recorded in North Carolina and northeastern states, causing widespread flooding and damage.
Tropical Depression 12 strengthened into tropical storm Katia as daylight broke in the eastern Atlantic this morning. Katia is currently a compact tropical storm with maximum sustained winds near 40 mph and is forecast to strengthen into a hurricane due to warm sea surface temperatures.
NASA satellites monitor Tropical Storm Jose and newly formed Tropical Depression 12 in the Atlantic, while Hurricane Irene drenches Quebec and Newfoundland in Canada. The National Hurricane Center expects TD12 to strengthen into a tropical storm or hurricane later this week due to low wind shear and warm sea surface temperatures.
NASA satellites continue to monitor the remnants of Hurricane Irene as they bring heavy rainfall and gusty winds to eastern Canada. The storm's massive size and remnants have caused widespread flooding, downed trees, and power outages in Quebec, New Hampshire, and Vermont.
NASA satellites gathered detailed rainfall measurements and spotted heavy thunderstorms around Irene's center, indicating the storm's power. The storms were dropping rainfall at 2 inches per hour, with hurricane-force winds expected along the eastern U.S. coast.
Hurricane Irene's diameter is nearly one-third the length of the U.S. Atlantic coastline, with winds extending 255 miles from its center.
Hurricane Irene strengthened into a major hurricane on the GOES-13 satellite video, reaching Category 3 status with 115mph winds. The storm is expected to make landfall in eastern North Carolina as a major hurricane, bringing devastating damage and heavy rainfall.
Researchers study paleo-hurricane records from South Carolina marshlands and find that spatio-lateral continuity of hurricane deposits is poor. High-precision geochronology of the Chinle Formation provides new insights into early dinosaur evolution and temporal constraints on their evolution.
The TRMM satellite captured detailed images of Hurricane Irene, revealing a lack of eye formation and organized circulation. Rainbands indicated low-pressure circulation, with areas of intense rain near the center, suggesting potential for strengthening.
Researchers confirmed that tropical cyclones with hot towers intensify faster than those without. Hurricane Irene featured multiple 'hot towers', leading to its intensification into a hurricane. The storm's heavy rainfall is expected across several Caribbean islands, with totals reaching up to 20 inches in some areas.
NASA satellite data shows strong convection in both Tropical Storm Fernanda and Hurricane Greg, making them match in size. Both systems are moving towards the western coast of Mexico.
Tropical Storm Emily was formed and morphed into an elongated area of low pressure over the Caribbean Sea. A 60% chance of a comeback is given by the National Hurricane Center due to favorable upper-level winds on the weekend.
Hurricane Dora's eye was visible on multiple NASA satellites, including Aqua and GOES-11, providing forecasters with clear views of the storm's intensification. The National Hurricane Center expects some weakening by tonight and rapid weakening on Friday as Dora battles wind shear and cooler waters.
Frigid cloud top temperatures in Hurricane Dora's thunderstorms indicate their strength and power. The storm's strong convection and rapid rising air formed a large area of very cold and powerful thunderstorms around the center.
A triple-header of tropical cyclones was captured by the GOES-13 satellite on July 20, including System 99L, Tropical Storm Bret, and Hurricane Dora. System 99L is showing signs of organization and potential to become a tropical depression in the next 48 hours.
Tropical Storm Dora has strengthened to near-hurricane strength, expected to bring life-threatening surf and rip currents to southern Mexico. Cloud top temperatures have dropped significantly, indicating increasing convection and thunderstorm activity.
Hurricane Beatriz developed an eye that opened on microwave imagery but closed on visible imagery, appearing to give satellites a 'wink' as it brought heavy rains and high surf to the southwestern Mexican coast. The storm strengthened into a hurricane by June 20 night and made landfall near Manzanillo, Mexico.
Tropical Storm Beatriz is strengthening towards hurricane status, according to NASA satellite imagery, which revealed powerful thunderstorms and cloud tops cooling. The storm is expected to bring excessive rainfall, life-threatening flash floods, and mudslides to southwestern Mexico.
Hurricane Adrian's rapid dissipation was captured by NASA's Aqua satellite on June 10, revealing a rounded-pinwheel shape with a visible eye. The storm weakened to remnant low pressure area status by Sunday, June 12, with maximum sustained winds between 20-30 knots.
NASA satellite imagery shows Adrian's eye despite overcast clouds, revealing strong thunderstorms and a minimum central pressure of 948 millibars. The storm is expected to stay at sea but will stir up rough surf along the southwestern coast of Mexico.
NASA has confirmed Tropical Depression 05W (TD05W) as the fifth NW Pacific tropical depression, bringing rainfall to the northwestern Philippines. The storm is expected to intensify into a tropical storm and move toward southern China.
Hurricane Adrian has plenty of strong thunderstorms over 9 miles high, fueled by warm ocean water. The storm's eye is confirmed by NASA's infrared image, with coldest cloud top temperatures as cold as -63 Fahrenheit.
Tropical Storm Adrian forms in the Eastern Pacific Ocean, strengthening with high cloud tops and moderate rainfall, triggering a tropical storm watch in Mexico. The storm is forecast to reach hurricane strength by the National Hurricane Center.
A low-pressure area, System 93L, has formed off the North Carolina coast and is now located off northeastern Florida. The storm is expected to move over northern Florida later today, bringing scattered strong thunderstorms and isolated thunderstorms to the region.
A recent study reveals that households in New Orleans broke up more than double the national rate following Hurricane Katrina. The study found that extended-family households were especially vulnerable to breakups due to their composition and response to economic need.
Rima Taher, a civil and structural engineer at NJIT, presents research on designing low-rise buildings for extreme winds and hurricanes. Her recommendations include using square or hexagonal floor plans with multiple-sloped roofs to improve wind resistance.
Researchers developed a method to use passive microwave satellite imagery to monitor hurricane structure and intensity changes, revealing patterns in storm dynamics. This allows for a 30-hour window before a storm hits its maximum strength, enabling forecasters to issue earlier warnings and evacuate areas at risk.
A new study in Honduras found that climate-related weather disasters can lead to increased land wealth and earnings for the rural poor. The poorest residents of a small village were able to recoup their losses and even triple their average holdings after Hurricane Mitch devastated their village in 1998.
A recent study by the University of Miami found that 35% of children experienced moderate to severe posttraumatic stress symptoms almost two years after Hurricane Charley, and those who still showed signs of stress at nine months were likely to persist with symptoms another year later. Social support from peers was also found to be cru...
Hurricane Tomas strengthened to hurricane status, affecting Hispaniola and eastern Cuba. The GOES-13 satellite provided a visible image of the storm's extensive cloud cover on Nov. 5.
Tropical Storm Tomas is intensifying due to strengthening convection and colder cloud tops detected by NASA's infrared satellite imagery. The storm is expected to bring heavy rainfall and life-threatening flashfloods to several Caribbean islands.
The LSU Health Sciences Center New Orleans Department of Psychiatry was recognized for its successful integration of mental health services into the school system, youth leadership, and community outreach after Hurricane Katrina. A study found that 72.3% of students had recovered or demonstrated resilience five years post-Katrina.
Otto intensified into the Atlantic Ocean's 8th hurricane on October 8, bringing heavy rainfall to the northern Leeward Islands and Puerto Rico. The storm is expected to strengthen due to light wind shear and warm waters but may weaken when it encounters cooler waters.
The NASA GRIP experiment gathered valuable data on Atlantic hurricanes Earl and Karl, capturing rapid intensification and storm development. Scientists analyzed the data to gain a better understanding of what causes hurricanes to form and strengthen.
Hurricane Igor brought heavy rainfall and strong winds to Newfoundland, Canada, causing extensive flooding, power outages, and wind damage. The storm's circulation increased as it moved north, extending tropical-storm force winds up to 520 miles from its center.
Hurricane Igor is expanding in eastern Canada, prompting hurricane watches for the region. The storm's diameter has grown to 920 miles, with maximum sustained winds near 75 mph and heavy rainfall possible over Newfoundland.
Tropical Storm Julia is struggling to maintain its strength as it encounters massive Hurricane Igor's westerly wind shear. The National Hurricane Center predicts Julia will fade into a remnant low in a day or two, with some models suggesting it could be absorbed by Hurricane Igor's circulation.
NASA satellites and aircraft gathered crucial data on Hurricane Karl's maximum sustained winds of 115 mph as it moved into Mexico's rugged terrain. The storm caused widespread flooding and evacuations, resulting in over 40,000 people being evacuated and eight reported missing.
Hurricane Igor underwent significant changes in shape and strength due to NASA's MODIS and AIRS instruments, which captured its transformation from a rounded storm to a comma-shaped storm over three days. The storm's cold cloud temperatures and cloud cover were also analyzed by the AIRS instrument.
Hurricane Karl's powerful thunderstorms featured very high icy cloud tops, while moderate to heavy rainfall was observed from the storm. The GRIP mission gathered valuable data on Karl's rapid intensification, which went from a tropical storm to a Category 3 hurricane overnight into Friday.
NASA's Aqua satellite captured visible image of Hurricane Julia, weakened by Hurricane Igor's outflow, breaking a record for the most intense hurricane east of the Azores. The storm is expected to move west-northwest then turn northeast, staying at sea.
The TRMM satellite provided a 3-D image of Hurricane Igor's cloud heights and rainfall rates, revealing towering clouds and heavy rainfall. The image showed the eye was still distinct but the southwestern portion had eroded, with heavy rainfall falling at 2 inches per hour.
Hurricane Julia has weakened to a Category 2 storm due to wind shear and cooler sea surface temperatures. The storm is being pulled northwest by mid-level winds, causing its main convection to shift away from the center, resulting in weakening.
Karl strengthened into a hurricane as it moved across the Gulf of Mexico, bringing heavy rainfall and strong winds to the region. The storm is forecast to make landfall in mainland Mexico late Friday or Friday night, with minimum central pressure at 983 millibars.
Hurricane Igor is a monstrous storm, stretching over 500 miles in diameter. Maximum sustained winds near 145mph indicate weakening, but the hurricane remains powerful and expected to hit Bermuda in the next few days.
Hurricane Julia intensified rapidly overnight, becoming a Category 4 hurricane on the Saffir-Simpson Scale. NASA satellites captured clues as they passed over her from space, including heavy rainfall dropping at over 50 mm/hr and a clear eye structure with impressive cloud top enhancement.
The Atmospheric Infrared Sounder captured icy cold cloud top temperatures in Hurricane Igor, with readings as low as -90F. The storm's eye showed a warmer, open area with sea surface temperatures powering it.
NASA satellites detect intense rainfall rates of up to 2 inches per hour around Igor's circular eye, indicating powerful thunderstorms. The storm is expected to remain a Category 4 hurricane for the next couple of days, posing significant threats to affected areas.
Researchers conducted 18 hurricane hunter flights, including the first flight by an unmanned NASA Global Hawk over a hurricane to study intensification. The Intensity Forecast Experiment (IFEX) incorporates data from various sources to improve forecast accuracy.
Hurricane Earl has weakened to a Category 2 storm with powerful winds of 104 mph due to increasing wind shear and cooler waters. NASA satellites captured rainfall data, showing moderate rainfall mostly north of the storm's center.
The GOES-13 satellite captured an image of Hurricane Earl northeast of North Carolina, showing a huge storm with cloud cover stretching over the northeastern U.S. The category 2 hurricane is expected to turn towards the northeast and approach southeastern New England.
NASA's Genesis and Rapid Intensification Processes (GRIP) mission is analyzing Hurricane Earl's structure and behavior. The GRIP aircraft are equipped with instruments such as HAMSR, which provides detailed data on the storm's temperature, water vapor, and cloud liquid water distribution.
NASA's Tropical Rainfall Measuring Mission (TRMM) satellite observed heavy rainfall within Hurricane Earl, with rates exceeding 2 inches per hour. The Global Hawk unmanned aircraft is gathering information about the storm from 60,000 feet high, aiding scientists in understanding rapid intensification.