Articles tagged with Hurricanes
A new study finds that rising ocean temperatures are causing the threshold sea surface temperature for hurricanes and tropical thunderstorms to rise, potentially leading to more frequent hurricanes. The study's findings support climate model simulations and provide strong evidence of tropical atmosphere warming.
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 has weakened into a tropical depression due to decreased convection and increased wind shear. Forecasters predict a re-intensification of the storm into a hurricane before it reaches Haiti late Friday.
The TRMM satellite tracked Tomas' center of circulation reforming on Nov. 3 after being downgraded to a tropical depression the previous day. Maximum sustained winds remain at 35 mph as Tomas is expected to strengthen into a tropical storm, producing heavy rain accumulation in Haiti.
Tropical Storm Tomas is intensifying under favorable conditions, with convection increasing and wind shear weakening. The National Hurricane Center forecasts Tomas will continue strengthening until Friday, potentially becoming a hurricane and threatening Haiti.
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.
Tropical Storm Richard is expected to intensify in the western Caribbean before making landfall, bringing maximum storm totals of 5-7 inches of rain and potentially flash flooding and mudslides. Residents in eastern Honduras, Guatemala, Belize and Mexico's Yucatan Peninsula are bracing for its impacts as it approaches
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.
A low pressure area designated as System 97L has an 80% chance of developing into a tropical depression over the next 48 hours. The system is expected to bring locally heavy rainfall to the Leeward Islands, Virgin Islands, Puerto Rico, and Hispaniola in the coming days.
Tropical Storm Nicole has weakened into a remnant low pressure area off the Florida coast. A massive trough of low pressure over the eastern seaboard is streaming tropical moisture from Nicole's remnants, bringing heavy rainfall totals to the region.
NASA's Aqua and TRMM satellites detected increasing cloud top temperatures and heavy rainfall around Tropical Storm Matthew. The storm is expected to strengthen further, bringing hurricane conditions and potential flooding to the region.
Tropical Depression Lisa is expected to strengthen into a tropical storm due to increased convection, but faces challenges from dry air and wind shear. The National Hurricane Center forecasts a 'triple header' threat for Lisa after Friday.
Tropical Depression 15 forms in the south-central Caribbean Sea with maximum sustained winds near 35 mph, prompting watches and warnings for Central America. The storm is forecast to strengthen into a tropical storm possibly within the next day due to warm waters.
The GOES-13 satellite has captured images of three tropical cyclones, including Tropical Storm Lisa in the eastern Atlantic and Tropical Storm Georgette in the eastern Pacific. Lisa is struggling to intensify due to wind shear and dry air, while Georgette is expected to produce heavy rainfall over western Mexico.
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.
Tropical Storm Lisa has strengthened into its third tropical storm due to low wind shear, allowing it to gain momentum. The storm's minimum central pressure is 1005 millibars and it is expected to turn north-northwest before heading west-northwest.
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.
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.
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.
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.
Tropical Storm Karl made landfall on Mexico's Yucatan Peninsula, bringing heavy rainfall and strong winds. The storm brought sustained winds of 49 mph and a wind gust of 62 mph to the area.
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.
System 92L is developing a tropical depression signature with organized showers and thunderstorms. The system has a 40% chance of becoming a tropical depression over the next couple of days, posing life-threatening flash flooding and mudslides in the Caribbean region.
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.
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.
Tropical Storm Fiona is weakening and stretching out in a north-south direction, according to NASA satellite data. Forecasters expect her to dissipate over the holiday weekend in the Atlantic Ocean.
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.
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.
Tropical Storm Fiona is expected to bring 1-3 inches of rainfall to Bermuda, with a tropical storm warning in effect. The GOES-13 satellite imagery shows Fiona as a smaller system compared to its brother, Hurricane Earl.
Hurricane Earl is producing heavy rainfall of over 50 mm/hr in Puerto Rico as a category four hurricane with wind speeds of about 115 knots. The storm is expected to maintain intensity for the next few days, impacting the Bahamas and eastern North Carolina.
NASA's Aqua satellite captured infrared imagery showing two areas of strong convection north and south of Fiona's center, with cloud tops as cold as -63 degrees Fahrenheit. The storm is intensifying, bringing tropical storm conditions to the Northern Leeward Islands with potential rainfall accumulations of 1-3 inches.
GOES-13 satellite captures powerful Hurricane Earl, growing Tropical Storm Fiona, and fading Danielle in the Atlantic. The satellite imagery shows Earl's large size and high winds, while Fiona appears disorganized with no apparent center.
Hurricane Danielle has reached Category 2 status with maximum sustained winds of 100 mph, driven by low wind shear and warm waters. Forecasters expect the storm to intensify over the next 24 hours, potentially becoming a major hurricane by Wednesday.
A recent study by the American Psychological Association found that disasters disproportionately affect individuals with disabilities and mental disorders, with significant barriers to housing, transportation, and disaster services still present two years after Hurricane Katrina. Researchers recommend case managers knowledgeable about ...
A study found that a decrease in chlorophyll concentration, leading to a change in ocean color, can reduce hurricane formation by 70% in the North Pacific. This reduction is due to changes in air circulation patterns and surface water temperature.
Researchers developed a Hurricane Risk Calculator to estimate extreme wind speeds at specific locations in Florida. The calculator found that cities like Miami are more vulnerable to strong winds due to their geography and location.
Researchers will deploy NSF/NCAR Gulfstream V research aircraft to gather data on tropical storms that may become hurricanes. By understanding these storms' formation, scientists can help the National Hurricane Center attain five- or seven-day hurricane forecasts.
Tropical Storm Bonnie strengthened into a tropical storm, bringing heavy rainfall to south Florida. The GOES-13 satellite provides visible images of the storm's cloud-covered center, and forecasts indicate it will pass near the Florida Keys and southern Florida before moving over the eastern Gulf of Mexico.
Tropical Depression 3 has formed in the Atlantic Ocean, triggering warnings for the Bahamas and Florida. The system strengthened into a tropical depression on July 22, with maximum sustained winds of near 35 mph and an estimated minimum central pressure of 1008 millibars.
Tropical Depression 6E has been downgraded to a remnant low pressure system in the Eastern Pacific Ocean. It's now being stretched by strong vertical wind shear and moving into cooler waters, making strengthening back into a tropical storm unlikely.
Tropical Depression 6-E has formed in the Eastern Pacific Ocean and is struggling to organize due to moderate to strong wind shear. The storm's maximum sustained winds are near 35 knots (38 mph), and it is expected to continue moving west-northwestward over the weekend.
Researchers found that rebuilding schools and supportive relationships helped reduce trauma symptoms in children, but over a quarter still struggled with PTSD three years later. A second study discovered distinct stress patterns between male and female teens after the hurricane.
SRNL is working with universities to develop prevention and cleanup methods for flooded homes, analyzing common mold types and identifying toxic strains. The research aims to determine the best ways to clean structures, prepare materials to prevent mold growth, and assess health risks.
GOES-13 satellite captured images of Hurricane Alex from its formation to landfall in Mexico, providing valuable research data for forecasters. The storm caused severe flooding, mudslides, and record-breaking rainfall.
The NASA GOES Project provides continually updating 'movies' of satellite imagery for Hurricane Alley, allowing on-line viewing on iPhone and iPad. The latest large-scale movie can be accessed at http://goes.gsfc.nasa.gov/goescolor/goeseast/hurricane2/movie/alley_east_conus.mp4.
Researchers found a power-law relation between hurricanes and energy released, indicating that predicting hurricane intensity is challenging. The study also suggests a connection between global warming and the distribution of tropical cyclones.
NASA's six-week GRIP mission will study the creation and rapid intensification of hurricanes, analyzing factors such as cloud droplet concentrations, air temperature, and wind speed. The mission aims to better understand how tropical storms form and develop into major hurricanes.
System 96L is an elongated area of low pressure moving west-northwestward with increased shower and thunderstorm activity, posing a risk for heavy rains and gusty winds in eastern Texas and northeastern Mexico.
Remnants of Tropical Depression Alex are expected to trigger thunderstorms and heavy rainfall in southern, central, and western Texas, prompting flash flood watches. The National Weather Service notes that additional rainfall will cause flooding and potential flooding through Saturday.
NASA's Tropical Rainfall Measuring Mission Satellite data reveals heavy rainfall in northeastern Mexico, with estimated totals exceeding 10 inches in various locations. The satellite imagery also shows the hurricane's well-defined eye containing powerful thunderstorms that dropped extreme amounts of rain as it made landfall.