Articles tagged with Tropical Cyclones
NASA's Aqua and GPM satellites observed strong storms developing in Vardah's remnant low pressure area, with convective thunderstorms producing heavy rainfall rates of over 6.1 inches per hour.
Tropical Cyclone Vardah produced heavy rainfall in the Bay of Bengal and Arabian Sea, with estimated totals ranging from 300-500 mm. The Global Precipitation Measurement mission detected intense storms with rainfall rates exceeding 101 mm/h, indicating a lifetime of heavy precipitation.
NASA's Global Precipitation Measurement mission provided detailed images of Tropical Cyclone Vardah's cloud cover and heavy rainfall rates before it made landfall. The storm weakened to a remnant low pressure area over southern India, bringing heavy rainfall warnings for affected regions.
NASA's Suomi NPP satellite captures a visible-light image of the storm, showing bands of thunderstorms around its low-level center. Tropical Cyclone Vardah brought hurricane-strength winds of 86.3 mph to areas in Tamil Nadu and Andhra Pradesh.
Tropical Cyclone Vardah showed strongest storms expanding west of its center, influenced by moderate vertical wind shear. The storm is expected to intensify and make landfall as a tropical storm south of Visakhapatnam, India, by December 12.
Tropical Cyclone Vardah is moving west-northwest across the Bay of Bengal, threatening eastern India. The storm's maximum sustained winds reached 52 mph with gusty winds and rainfall affecting the Andaman Islands.
Tropical Cyclone 05B has formed over the Anadaman and Nicobar Islands, with maximum sustained winds near 40 mph. The storm is expected to move northwest toward India, making landfall by Dec. 12 south of Visakhapatnam.
Tropical Cyclone Nada has shown minimal strength with no associated deep convection or strong thunderstorms. The storm is forecast to move west-northwest over southern India before dissipating over land.
Tropical Cyclone Nada is being significantly impacted by wind shear, causing clouds to be pushed west of the center. As a result, the Joint Typhoon Warning Center predicts that Nada will not intensify before making landfall in southern India on December 1.
Tropical Cyclone Tokage weakened to near maximum sustained winds of 28.7 mph as it crossed the Philippines and entered the South China Sea. The storm's remnants were later spotted by NASA's Aqua satellite, showing clouds pushed north of the center of circulation.
Research in southern China reveals a relationship between tropical cyclones and summer monsoons, impacting regional rainfall patterns. The study separates total rainfall into cyclone- and monsoon-induced components to better understand the variability of summer rainfall in the region.
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.
Tropical Cyclone Kyant formed in the Bay of Bengal on October 25, 2016, and was analyzed by NASA's GPM core satellite. The satellite detected intense storms with heavy rainfall rates of over 215 mm per hour, and some thunderstorms had unusually high storm tops reaching above 20 km.
Tropical Cyclone Kyant's maximum sustained winds reached 45 knots near its center, with a track taking it just north of Chennai, India. The cyclone is expected to weaken and dissipate by October 29 due to adverse conditions.
Tropical Storm 3B is consolidating into a defined low-level circulation center, with strong thunderstorms wrapping tightly curved banding around the storm. The Joint Typhoon Warning Center predicts the storm will strengthen and move west across the Bay of Bengal, making landfall north of Chennai, India on October 27.
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.
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 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.
A tropical cyclone that was thought to be dead has reformed over the South China Sea and is now expected to make landfall in central Vietnam. The storm, dubbed 'Zombie storm' Aere, had maximum sustained winds of 25 knots near its center before re-forming
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.
Typhoon Songda, a compact storm with 20 nautical mile wide cloud-filled eye, continues to move northeast over the open ocean. The storm's maximum sustained winds were near 100 knots (115.1 mph/185.2 kph) on October 11, with hurricane-force winds extending up to 30 miles from the center.
Tropical Depression Aere was centered near 21.7 degrees north latitude and 117.7 east longitude when NASA's Terra satellite captured its image on Oct. 11, showing a swirl of clouds about 200 miles east of Hong Kong. The storm's maximum sustained winds dropped to 28.7 mph, moving slowly to the west.
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.
Tropical Storm Chaba has become an extra-tropical storm, with strong winds and wind shear causing it to resemble a frontal system. NASA's Aqua satellite captured visible images of the storm as it moved northeast through the Sea of Japan, affecting Japan and South Korea.
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.
NASA's Aqua satellite detected cold cloud top temperatures near minus 27.6 degrees Fahrenheit over Arizona and New Mexico. The post-tropical cyclone's remnants brought heavy downpours, causing flash flooding and mudslides, as the storm weakened overnight.
Tropical Storm Lester has weakened, with a lack of thunderstorm development around its center of circulation. The storm is forecast to dissipate on Thursday as it becomes absorbed into a larger extra-tropical low near the Gulf of Alaska.
Tropical Depression Namtheun is dissipating over the Sea of Japan due to limited convection and wind speeds near 28.7 mph. The storm ceased to qualify as a tropical cyclone after moving north-northeast at 10 knots.
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.
Tropical Depression 8 dissipated about 400 miles east of Cape Hatteras, North Carolina, as indicated by NASA's Terra satellite. The system's remnants showed strong convection and rapid cloud top cooling, suggesting potential heavy rainfall.
Tropical Depression 9 has intensified in the Gulf of Mexico, with deep convection and intense rainfall observed. The National Hurricane Center forecasts strengthening and a possible storm surge for northern Florida.
Typhoon Lionrock intensified as it passed over the western edge of its eye, with GPM measuring intense storms and rainfall rates exceeding 222 mm/hour. The typhoon's wind speeds increased to 126.6 mph, making it a category three on the Saffir-Simpson scale.
Tropical Depression 14W was absorbed by System 92W, with maximum sustained winds near 23 mph, moving north-northeast at 33.3 mph. The system is located near Iwo To Island, Japan, and will track northwestward
Tropical Depression 14W formed as a weak storm with isolated strong storms and a low-level center, but persistent wind shear prevented intensification. The storm is expected to move north and dissipate within 4-5 days.
NASA's Aqua Satellite observed Tropical Depression Kay devoid of thunderstorms as it passed overhead on August 23. The depression was fueled by cool waters near Baja California, but lacked sufficient convection to sustain storms.
Tropical Storm Lionrock heads south-southeastward towards Japan while Tropical Storm Mindulle makes landfall just south of Tokyo and then moves northwards. Both storms exhibit improved circular shapes after NASA-NOAA's Suomi NPP satellite capture on Aug 21.
Tropical Storm Kay's strengthening is attributed to strong convection, with cold cloud top temperatures exceeding minus 63 degrees Fahrenheit. Forecasted to pass near Mexico, the storm will then weaken and turn westward into the Eastern Pacific.
Tropical Storm Omais has formed in the Northwestern Pacific Ocean, characterized by strong thunderstorms and cold cloud top temperatures. The storm is expected to continue moving north-northwestward and strengthen into a typhoon by August 6.
Tropical Storm Earl has formed in the Caribbean Sea, with maximum sustained winds near 45 mph and a minimum central pressure of 1,001 millibars. The storm is forecast to move west over the next couple of days, affecting Honduras and Mexico's Yucatan Peninsula.
Tropical Storm Howard forms in Eastern Pacific after intensifying from Tropical Depression 9E, becoming the ninth storm of the season with maximum sustained winds near 40 mph. The storm is expected to strengthen further before weakening over cooler waters.
Tropical Storm Frank weakened to a tropical storm on July 28, 2016, with winds decreasing from hurricane strength. NASA's RapidScat instrument observed sustained winds of near 30 meters per second north of the center.
Tropical Storm Frank is weakening due to its movement over colder waters and into a more stable air mass. The cyclone's maximum sustained winds have decreased to near 65 mph with higher gusts.
Tropical cyclones Georgette and Frank in the Eastern Pacific Ocean show see-sawing strength, with hurricane Frank strengthening while tropical storm Georgette weakening. Maximum sustained winds for Georgette have decreased to near 70 mph, with further weakening forecasted.
Tropical Depression 05W formed on July 25, 2016, with cloud tops reaching -63.6F and sea surface temperatures of 87.8F, ideal conditions for intensification. It was moving west-northwest at 12 knots towards Hainan Island, China.
Tropical Storm Estelle was transitioning to a post-tropical cyclone when NASA's Suomi NPP satellite captured its visible image on July 22. The storm showed minimal convection and was moving west-northwest at 16 mph.
SMAP data showed Tropical Storm Estelle had the strongest surface winds near 30 meters per second, with weaker winds in the southern quadrant. The storm is expected to weaken due to cooler water and drier air.
Hurricane Darby weakened to a tropical storm on July 20 as it approached the Central Pacific Ocean. The storm was about 1,000 miles east of Hilo, Hawaii, with maximum sustained winds decreasing to near 60 mph.
Scientists studied Tropical Cyclone Abela using satellite data, which provided insights into its rainfall rates and cloud heights. The cyclone's low-level center was exposed due to wind shear, causing convective storms to form southeast of the center.
Tropical Cyclone Abela continues to weaken, with two areas of strong convection remaining: one west and one southeast. The JTWC predicts Abela will dissipate by July 20 as it tracks towards northeastern Madagascar.
Tropical Cyclone Abela formed on July 16 in the Southern Indian Ocean, with NASA's RapidScat instrument measuring winds of up to 67 mph near its center. The cyclone is forecast to move west-southwest towards Madagascar and weaken due to adverse atmospheric conditions.
A satellite image captured by GOES-West showed an open circulation with clouds to the northeast of the remnant low center. The surface low, ex-Tropical Cyclone Celia, was centered about 300 miles northeast of Honolulu on July 18 and moving west at 10 mph.
The sixth tropical depression of the Eastern Pacific Ocean formed on July 15 and was captured by NOAA's GOES-West satellite. The system has acquired a well-defined circulation and convective banding, classifying it as a tropical cyclone.
Scientists warn that tropical cyclones will become stronger as temperatures rise due to a decrease in aerosols. This trend has been masked by air pollution, but is expected to become apparent in the future. Computer models predict an increase in intense storms and coastal flooding.
Tropical Depression 4 formed in the Eastern Pacific, strengthening into a tropical storm with maximum sustained winds near 40 mph. The storm is expected to track over cold water kicked up from Hurricanes Blas and Celia, affecting its strength.
Tropical Cyclone Blas weakened to a tropical depression before strengthening into Tropical Cyclone Celia, according to a NASA satellite animation. The post-tropical cyclone dissipated in the Eastern Pacific Ocean within days of its weakening.
NASA's GPM core satellite analyzed rainfall rates, while RapidScat measured wind speeds near or above 30 meters per second around the center of the storm. The typhoon intensified over warm sea surface temperatures with minimal wind shear and good outflow, eventually reaching Category 5 hurricane status.
Typhoon Nepartak strengthened rapidly after forming on July 3, becoming a major hurricane/typhoon with maximum sustained winds near 120 knots. The Joint Typhoon Warning Center attributed its intensification to favorable conditions, including warm water and low wind shear.
A powerful tropical depression was weakening over the Arabian Sea, with maximum sustained winds near 30 knots. Heavy rainfall rates of over 8.2 inches per hour were recorded southwest of the storm's center, indicating a severe weather system.
Tropical Cyclone 02A was affected by wind shear, elongating from a tropical easterly jet stream. The storm's trajectory shifted eastward on June 28, with a forecasted dissipation date due to unfavorable vertical wind shear conditions.
Tropical Cyclone 02A is consolidating in the Arabian Sea, with cold cloud tops indicating strong uplift and heavy rain potential. The system is forecasted to reach peak intensity of 50 knots within a day or so before dissipating around June 30.