Articles tagged with Hurricanes
Scientists analyzed dozens of TGFs launched by tropical storms, confirming that storm intensity alone is not the key factor for producing these events. Most TGFs occurred as systems intensified, with stronger electric fields driving clouds higher into the atmosphere.
Tropical Storm Arlene was absorbed by a frontal system in the North Atlantic Ocean, weakening from a tropical storm to a subtropical storm. The NOAA GOES-East satellite captured the moment on April 21, showing the storm being 'eaten' by the weather system.
Tropical Storm Arlene formed on April 20, 40 days before the official start of the Atlantic hurricane season. The storm was tracked by NASA-NOAA satellites, showing a large area of thunderstorms swirling far from land areas. As it moves west, Arlene is expected to lose its tropical characteristics and dissipate by April 21.
Tropical Cyclone Cook formed in the Southern Pacific Ocean and made landfall on April 10 near central New Caledonia. The storm's center was surrounded by powerful thunderstorms with a cloud-filled eye, and its winds were measured at 70 knots (80.5 mph) on April 11.
Tropical Cyclone Ernie strengthened into a hurricane with an eye forming in visible images captured by NASA's Aqua satellite. The storm was located near Western Australia, moving south at 5 knots with maximum sustained winds of 109 mph.
Tropical Cyclone Debbie intensified into a powerful hurricane affecting eastern Queensland's coast, with NASA capturing its eye and strongest storms on March 27, 2017. The storm is forecast to make landfall between Ayr and Cape Hillsborough, prompting severe warnings for residents.
Tropical Cyclone Enawo made landfall in northeastern Madagascar as a Category 4 hurricane, bringing severe damage and power outages to the region. The storm's maximum sustained winds reached 144 mph, with warnings posted throughout northern Madagascar.
Tropical Cyclone Enawo is intensifying and expected to reach 115 mph winds before hitting Madagascar's northeastern coast on March 7, 2017. Heavy rainfall with intense downpours of over 220 mm per hour has been measured in the storm's feeder bands.
A recent study found that massive warm-water eddies in the Caribbean Sea contribute to intense hurricanes like Matthew. The research team measured ocean temperature, salinity, and currents to better understand these oceanic features.
Scientists at Berkeley Lab developed a new model that captures tropical cyclones and extreme waves more accurately than existing models. Running models at a higher resolution of 25 kilometers instead of 100 kilometers improves predictions for coastal cities, industries relying on shipping, and surfers.
Andrew Morris will continue his work on a book about Hurricane Camille and its impact on American disaster relief policy using the NEH fellowship. The book examines the transformation of disaster assistance programs in the US following the devastating Category 5 storm in 1969.
A new study published in Nature finds that hurricanes approaching the US coast are more likely to intensify during less active Atlantic periods, contradicting previous assumptions about hurricane behavior. This discovery suggests that coastal regions may be better protected by quieter periods in the basin.
Research suggests that hurricanes approaching the US coast are more likely to intensify during less active Atlantic periods, weakening instead of strengthening. This relationship accounts for part of the weak correlation between Atlantic hurricane activity and major landfalls.
Researchers at UC San Diego developed practical strategies for building and coordinating balloons within hurricanes, using GPS and cellphone-grade sensors. The approach leverages control theory to distribute balloons horizontally and mitigate turbulence fluctuations, enabling improved in-situ sampling and forecasts.
Soil moisture can help forecast where power will go out along the East Coast during hurricanes. A study using satellite maps found a 91% accurate method for predicting power outages.
A University of Miami research team analyzed sea spray droplets generated from breaking waves and found that the amount of large droplets is 1000 times more than previously thought. This information can be applied to hurricane models to improve intensity predictions, aiding in people's safety.
Research warns that hurricanes are moving further north along the Northeast US coast, posing a greater threat to cities like New York. The study suggests that man-made emissions have overridden natural cooling effects, leading to more frequent and powerful storms.
Tropical Storm Otto is strengthening into a hurricane as it approaches Central America, with maximum sustained winds reaching 75 mph. The storm's center will move onshore within the hurricane warning area on Thursday and reach the Pacific coast of southern Nicaragua or northern Costa Rica early Friday.
The GOES-R satellite will provide unprecedented information about the Earth's weather, including true-color pictures and high-definition imagery. This will enable forecasters to make more accurate predictions of severe storms, squall lines, and tropical cyclones.
Tropical Storm Tina rapidly formed and weakened off Mexico's southwestern coast, with maximum sustained winds decreasing from 40 to 35 mph by Nov. 14.
Meari intensified from a tropical depression to a tropical storm in one day, now located 295 miles north of Yap and 500 miles west of Guam. Its maximum sustained winds are at 40 mph, and it is expected to turn west and northwest over the next few days.
The post-tropical cyclone has lacked organized deep convection, resembling a wedge of clouds, and is expected to dissipate due to hostile environmental conditions. The storm's remnants are moving toward the north near 8 mph, with maximum sustained winds decreased to near 35 mph.
Hurricane Seymour is experiencing a fast weakening trend in the Eastern Pacific, with maximum sustained winds dropping to 125 mph and then further decreasing to near 90 mph. The storm's asymmetry indicates it's losing its rotational strength.
Hurricane Seymour became a major hurricane on Oct. 25, with heavy rainfall and a 3-D image of its structure provided by the Global Precipitation Measurement mission. The storm is moving toward the west-northwest at 15 mph, with expected weakening and rapid decline in forward speed.
Hurricane Seymour rapidly intensified into a Category 3 hurricane, with maximum sustained winds near 115 mph and higher gusts. The storm's small eye is located approximately 565 miles south-southwest of Baja California, Mexico.
Tropical Depression 20 intensified into Hurricane Seymour in the Eastern Pacific Ocean. The storm's organization increased with symmetrical cloud patterns and deep convection near the center.
Supertyphoon Haima is a Category 5 hurricane with powerful bands of thunderstorms and a clear eye, approaching the Philippines with maximum sustained winds near 161 mph. The storm is forecast to clip the extreme north of Luzon Island before heading toward mainland China.
Tropical Storm Nicole has transitioned into an extra-tropical storm, characterized by a change in primary energy source from latent heat release to baroclinic processes. The storm is expected to bring rough surf and strong winds to Bermuda and the US East Coast, particularly through Wednesday night.
The Global Precipitation Measurement mission captured heavy rainfall rates within Hurricane Nicole's eye, with strong storms dropping rain at a rate of over 113 mm per hour. The satellite also analyzed the storm's top heights, finding powerful storms reaching only about 12 km in height.
Typhoon Haima, a Category 4 hurricane, is forecast to affect the northern Philippines as it strengthens. The storm is expected to make landfall in mainland China after passing over northern Luzon.
Current weather prediction models can forecast rainfall up to two days in advance, but accuracy decreases with longer lead times. The study examines five state-of-the-art models and finds that improved understanding of hurricanes will enhance forecasting capabilities.
Hurricane Nicole strengthened to a Category 4 storm with maximum sustained winds of 120 mph before landfall in Bermuda. The storm's large ocean swells were spreading northward along the U.S. East Coast and into Atlantic Canada.
Hurricane Matthew's heavy rainfall caused widespread flooding and deaths in North Carolina, with rivers still rising on Oct. 12. The NASA rainfall analysis used IMERG data to estimate the storm's total rainfall, which was over 20 inches in some areas.
Hurricane Nicole is a Category 3 hurricane with maximum sustained winds near 125 mph, expected to bring significant effects to the region. The storm is predicted to pass near Bermuda today, posing a threat to the island's residents and infrastructure.
Typhoon Songda transforms into an extra-tropical storm with a ragged eye, 23 nautical miles wide, and winds near 120.8 mph as it moves through the Northwestern Pacific Ocean. The storm's energy source shifts from latent heat to baroclinic processes.
Hurricane Nicole strengthens as it approaches Bermuda, with a large eye detected by NASA's GOES Project. The storm is expected to pass near or over Bermuda on Thursday, Oct. 13, with maximum sustained winds near 100 mph and higher gusts.
Tropical Storm Nicole is forecast to strengthen into a hurricane as it heads toward Bermuda, with maximum sustained winds now near 65 mph. The National Hurricane Center expects the center of Nicole to approach Bermuda Wednesday night and pass near Bermuda Thursday morning.
A new computer simulation predicts that storm-related flooding on the New York City coastline similar to Hurricane Sandy's scale will become more common in coming decades. The worst-case scenario sees a 17-fold increase by 2100 due to sea-level rise and varying storm activity.
NASA-NOAA satellites captured detailed images of Hurricane Matthew's cloud tops, revealing temperatures as low as minus 80 F (-62.2 C), indicating strong storm uplift and potential heavy rain generation.
Hurricane Matthew develops concentric eyewalls, a common feature in intense hurricanes, according to NASA's Global Precipitation Measurement mission. This indicates the storm is undergoing an eyewall replacement cycle, leading to weakening winds and changes in its track.
Hurricane Nicole strengthened to a hurricane on Oct. 6, joining forces with Hurricane Matthew in the Atlantic Ocean. The storm set an Atlantic Ocean record for winds exceeding 105 mph, marking the latest occurrence of two storms simultaneously reaching such speeds.
NASA's CloudSat and Soil Moisture Active Passive (SMAP) satellites tracked Hurricane Matthew's powerful winds and clouds. The storm maintained Category 3 status with maximum sustained winds near 115 mph, affecting Florida, Georgia, and the Carolinas.
Hurricane Matthew regained Category 4 status with sustained winds near 140 mph and a minimum central pressure of 940 millibars. The storm is expected to cross the northwestern Bahamas today and approach the Florida coast, potentially strengthening further before landfall.
Hurricane Matthew is forecast to be a category 4 hurricane as it approaches the east coast of Florida. The storm has already made landfall in western Haiti and is moving through the Bahamas.
Tropical Storm Nicole is significantly smaller than powerful Hurricane Matthew, which is moving through the Bahamas. The storm's cloud pattern has changed little since its formation, and it holds steady just below hurricane strength as it crawls toward Bermuda.
Tropical Storm Nicole in the western Atlantic Ocean is resisting erosion from wind shear, a phenomenon that can disrupt tropical cyclones. Despite being battered by strong winds, Nicole has maintained its strength and is expected to remain in strong wind shear conditions for several days.
Hurricane Matthew is forecast to make landfall in Haiti and then move toward the Bahamas, with maximum sustained winds near 120 mph. The storm's minimum central pressure is 962 millibars, and it is expected to remain at category 3 or stronger while moving through the Bahamas and approaching Florida.
Tropical Storm Nicole has formed about 500 miles northeast of Puerto Rico, with a well-defined circulation and maximum sustained winds near 50 mph. The storm is expected to move northwest at 8 mph, then turn north-northwest with decreasing speed over the next couple of days.
Hurricane Matthew made landfall in western Haiti on October 4, with NASA tracking its movements and intensity. The storm's maximum sustained winds reached near 145 mph, making it a category 4 hurricane on the Saffir-Simpson scale.
Heavy rainfall from Hurricane Matthew has been detected by NASA's Global Precipitation Measurement mission, with rates reaching over 6.4 inches per hour in some areas. The storm is expected to cause devastating torrential rainfall as it moves slowly over Haiti.
Post-Tropical Cyclone Hermine was still producing light to moderate showers with maximum sustained winds of about 58 mph as it rotated in the Atlantic Ocean. NASA's Global Precipitation Measurement mission detected heavy rainfall rates exceeding 1.1 inches per hour in various areas of the storm.
Hurricane Newton made two landfalls in Mexico, with NASA's Terra and Aqua satellites capturing its trajectory and intensity. The storm's center passed over Baja California and the mainland of western Mexico, causing high winds and flash floods in nearby areas.
Tropical Storm Lester passed over the Hawaiian Islands on Sept 4-6, with NASA's Aqua satellite capturing an image of the weakening storm. The cyclone is expected to weaken further in the next 48 hours as it transitions into a post-tropical low.
Hurricane Newton is expected to bring strong winds and heavy rains to Baja California Sur, Mexico, with total rain accumulations of 8-12 inches. The storm's trajectory suggests it will pass over the Gulf of California late this afternoon or evening.
Hurricane Hermine made landfall near Saint Marks, Florida with 80 mph winds, and then moved into Georgia where it weakened to a tropical storm. The NASA/NOAA GOES Project created an animation showing the development of Hermine into a hurricane during the afternoon of Sept. 1.
Tropical Cyclone Gaston has weakened significantly, with its eye disappearing and clouds pushed to the northeast. Warnings have been issued for several islands in the Azores, including Flores and Corvo, Faial, Pico, Graciosa, Sao Jorge, and Terceira.
Hurricane Lester has moved into the Central Pacific Ocean, prompting new hurricane watches for Hawaii. The storm is expected to bring powerful thunderstorms and heavy rains to the islands on Saturday.
Hurricane Gaston is maintaining its eye despite a degraded satellite appearance, according to NASA. The storm is expected to weaken further as it approaches the Azores Islands, with maximum sustained winds decreasing to near 85 mph.
Tropical Storm Hermine strengthened and organized in the Gulf of Mexico, with intense storms detected by NASA's Global Precipitation Measurement mission. Rainfall rates reached over 9.9 inches per hour in powerful storms southwest of the storm's center.
Tropical Storm Madeline has weakened to a tropical storm with maximum sustained winds near 65 mph, passing just south of Hawaii's Big Island. The storm is expected to continue moving west at 14 mph and weaken further over the next 48 hours.