Articles tagged with Tropical Cyclones
NASA's GPM core satellite detected towering thunderstorms southeast of Tropical Cyclone Linda's center, producing heavy rainfall at rates exceeding 7.1 inches per hour. The storm's convective activity is decreasing due to dry air moving into the system and increasing vertical wind shear.
Tropical Cyclone Linda lost a strong band of thunderstorms east of its center, weakening and fragmenting in just 9 hours. Cloud top temperatures indicate the storm's capability for heavy rain, with temperatures as cold as minus 80 degrees Fahrenheit.
Tropical Cyclone Hola was torn apart by wind shear in the South Pacific Ocean. The satellite image showed the center of the storm fully exposed and almost devoid of precipitation except for the southern quadrant.
Tropical Cyclone Hola dropped heavy rainfall on Vanuatu and New Caledonia, with maximum sustained winds of 95 knots (~ 105 mph) reported. The Joint Typhoon Warning Center expects the cyclone to recurve southeastward, avoiding a direct impact with New Caledonia.
Tropical Cyclone Hola was located southwest of the Pacific island nation of Vanuatu, with powerful thunderstorms wrapping into its center. The storm's maximum sustained winds were near 109mph, moving to the south-southwest at 4.6mph.
NASA's Global Precipitation Measurement mission revealed extreme heavy rainfall in Tropical Cyclone Hola, dropping 9.5 inches per hour on the eastern edge of its low-level center. The satellite data showed convective storms reaching heights above 7.4 miles, posing a threat to Vanuatu and neighboring islands.
NASA's Aqua satellite observed Tropical Cyclone Dumazile moving through the Southern Indian Ocean with a well-defined low-level center of circulation. The satellite also captured clouds pushed south of the center due to vertical wind shear, indicating a significant threat to the cyclone's structure.
Tropical Cyclone Dumazile brought extremely heavy rainfall to Madagascar, with over 210 mm of precipitation reported along the northeastern coast. The GPM satellite detected intense bands of rain and storms dropping rain at rates of up to 160 mm/hour, causing widespread flooding.
Tropical Cyclone Dumazile strengthened after being renamed from Tropical storm 11S, with powerful thunderstorms surrounding its eye. The storm is forecast to weaken but maintain hurricane intensity before encountering cooler waters and increased wind shear.
The Moderate Resolution Imaging Spectroradiometer detected coldest cloud top temperatures in the tropical cyclone, indicating strong storms capable of heavy rain. Tropical Cyclone 11S is expected to rapidly intensify due to warm waters and low vertical wind shear.
Researchers found significant variations in high-frequency oscillation periods across different sea areas in the Western North Pacific. In the South China Sea, these oscillations occur at shorter intervals than in open water areas.
Tropical Cyclone Gita is weakening due to vertical wind shear, posing threats to New Caledonia and New Zealand. The storm will encounter cooler ocean waters and transition into an extra-tropical low on February 20.
Tropical Cyclone Gita remained a Category 3 hurricane with maximum sustained winds of 115 mph, tracked by NASA-NOAA's Suomi NPP satellite. The storm showed symmetrical circulation and weakening cloud tops, indicating reduced uplift.
NASA's Terra satellite revealed the area of strongest storms in Tropical Cyclone Sanba when it was located over the island of Palawan. Cloud top temperatures below -80 degrees Fahrenheit indicate strong thunderstorms capable of heavy rain.
Tropical Cyclone Gita produced over a foot of rain, causing widespread destruction and flooding in Samoa and Tonga. NASA's IMERG analysis revealed heavy rains and strong winds affected both countries, with some structures destroyed including Tonga's historic Parliament House.
Tropical Cyclone Gita, a Category 3 hurricane on the Saffir-Simpson Hurricane Wind scale, is causing destruction and flooding in Fiji Islands. The storm's eye was located near 21.1 degrees south latitude and 179.1 degrees east longitude, with maximum sustained winds near 126.6 mph.
Heavy rainfall was triggered by Tropical Cyclone Gita, strengthening into a Category 4 hurricane on Feb 12. The storm produced intense rainfall rates of over 64 mm per hour in some areas, with the heaviest falls recorded northeast of Samoa at 224 mm per hour.
NASA's Global Precipitation Measurement mission found extreme rainfall in Tropical Cyclone Gita's northwestern quadrant, dropping up to 1.6 inches per hour, while east of the center, rain fell at a rate of 1 inch per hour
Tropical Cyclone Cebile, a weak and wispy storm, was detected by NASA's Aqua satellite on February 8. The storm lacked rainfall and had a thick band of clouds in its eastern quadrant.
Tropical Cyclone Cebile in the Southern Pacific Ocean is experiencing strong vertical wind shear, causing rainfall to be pushed away from its center. The heaviest precipitation was found southeast of Cebile's center, with powerful storms on the southern side still dropping rain at high rates.
Wind shear significantly impacted Tropical Cyclone Cebile, with the bulk of clouds and thunderstorms being sheared to the southeast of the center. The storm is weakening due to dropping sea surface temperatures and high vertical wind shear, according to NASA's Aqua satellite observations.
Tropical Cyclone Cebile is being severely impacted by strong northwesterly vertical wind shear, causing clouds and thunderstorms to be sheared to the southeast of the center. The Joint Typhoon Warning Center predicts further weakening due to decreasing sea surface temperatures and persistent high wind shear.
NASA and Japan's GPM core satellite tracked heavy rainfall from Tropical Cyclone Fehi's remnants in New Zealand. Rainfall rates exceeded 268 mm/h, with some areas experiencing intense storms that dropped over 10 inches of rain in just 12 hours.
Tropical Cyclone Cebile maintained its status as a major hurricane with sustained winds of 126.6 mph and an estimated eye visible through NASA's MODIS instrument. The storm is expected to weaken and turn southeast under adverse conditions.
Tropical Cyclone Cebile was a powerful hurricane in the Southern Indian Ocean when NASA-NOAA's Suomi NPP satellite captured an image of its well-rounded circulation center. The storm had maximum sustained winds of 132 mph, centered near 16.1 degrees south latitude and 76.1 degrees east longitude.
NASA's Terra and GPM satellites confirmed that wind shear pushed Tropical Cyclone Fehi's clouds and thunderstorms south of its center. The storm triggered warnings in New Zealand due to heavy rainfall and strong winds.
NASA's GPM satellite measured Tropical Cyclone Cebile's rainfall intensity at over 228 mm/h on January 31, 2018. The storm's eye featured a clear circular structure with deep convective banding and sharp eyewall.
The GPM satellite identified heavy rainfall in Tropical Cyclone Fehi, with powerful storms dropping rain at a rate of over 3 inches per hour. The storm weakened as it moved southward, transitioning into an extra-tropical cold core system.
Heavy rainfall from Tropical Cyclone Berguitta affects Mauritius and Reunion Islands. NASA's Terra satellite image shows the storm's center just south of Mauritius, with both islands under warning.
Tropical Cyclone Berguitta formed in the southwestern Indian Ocean on January 12, 2018, and showed intense rainfall rates around its center. The storm's maximum sustained winds were estimated at 115 mph, but later dropped to 65 knots as it moved southwest.
Tropical Cyclone Berguitta is moving southwest towards Mauritius with sustained winds of 85 knots. The storm's strength is expected to be maintained over the next day and a half due to warm sea surface temperatures.
Tropical Cyclone Joyce made landfall along the Pilbara Coast in Western Australia, with maximum sustained winds near 45 knots. The cyclone is expected to weaken as it tracks southwest through the region, but will continue to bring heavy rainfall and gusty winds.
NASA's JPSS-1 satellite captured visible images of Tropical Cyclone Joyce as it moved south along the northwestern Australian coast on January 11. The cyclone had maximum sustained winds near 45 knots and was forecast to make landfall near Wallal Downs mid-day local time on January 12.
Tropical cyclone Ava caused extreme flooding and landslides in Madagascar, resulting in at least 29 deaths. NASA's IMERG analysis estimated near-700mm of rainfall in the Indian Ocean northeast of Madagascar, with highest totals on land in northeastern regions.
Tropical Depression 5S formed with sustained winds of 30 knots and was consolidating off Western Australia's coast. NASA satellite data showed a band of thunderstorms with temperatures as low as -90 degrees Celsius, capable of producing heavy rainfall.
Tropical Cyclone Ava is weakening and moving southward off the coast of Madagascar, according to NASA. The cyclone's maximum sustained winds are near 35 knots (40 mph/62 kph), expected to dissipate later in the day on January 9.
Tropical Cyclone Irving appears elongated due to wind shear, with persistent development thunderstorms around its center. The storm is expected to weaken as it interacts with a trough of low pressure, rapidly transitioning into an extratropical system by Jan. 11.
Tropical Cyclone Ava is located in the Southern Indian Ocean, southeast of Europa Island. The storm is expected to maintain strength for the next day before weakening due to increasing vertical wind shear and cooler sea surface temperatures.
Tropical Cyclone Irving was hurricane-force in the Southern Indian Ocean, with heavy rainfall rates of over 93 mm/h reported by GPM's DPR Ku Band. The storm's 3-D precipitation structure was examined, revealing powerful storms at altitudes of up to 17 km.
Tropical Cyclone Ava made landfall along northeastern Madagascar's coast, as captured by NASA-NOAA's Suomi NPP satellite. The eye of the storm was about 10 nautical miles wide and had strengthened into a hurricane with maximum sustained winds of 90 knots.
Tropical Storm Ava formed off northeastern Madagascar on Jan. 3, with NASA-NOAA's Suomi NPP satellite analyzing the storm in infrared light. The satellite provided data showing coldest cloud tops and strongest storms wrapped around the center of circulation.
Tropical Depression Bolaven is being weakened by persistent vertical wind shear and cooler sea surface temperatures as it approaches Vietnam. The storm will track west across the South China Sea before making final landfall in southern Vietnam on Jan. 4.
Tropical Depression 01W formed just west of the Philippines on January 2, 2018, according to NASA's Terra satellite imagery. The depression is forecast to strengthen and make landfall in Vietnam, impacting the South China Sea region.
Tropical Cyclone Hilda formed near Australia's northwest coast, with NASA's GPM satellite detecting heavy precipitation. The storm intensified to a tropical storm before dissipating over land, bringing a Tropical Cyclone Warning to the region.
Two NASA satellites monitored Tropical Cyclone Kai-Tak as it weakened, interacting with land areas and easterly wind shear. The storm dissipated over the South China Sea on December 18, following a predicted trajectory.
System 96W, a developing area of tropical low pressure, is expected to affect the central Philippines. The storm's western quadrant has moved over the east-central Philippines, with multiple satellite images showing its elongated shape and several areas of thunderstorms.
A short-lived tropical cyclone in the Bay of Bengal produced moderate to heavy rainfall along northeastern India's coastline. The analysis used data from NASA's IMERG mission showed that more than 508 mm of rain fell in the Bay of Bengal, with storm tops reaching heights of over 11.5 km.
NASA's GPM mission observed remnants of Tropical Cyclone Ockhi reaching the Indian coast with heavy rainfall exceeding 101.6 mm per hour. The storms' displacement indicates strong vertical wind shear, pushing them away from the center.
Tropical Cyclone Ockhi was found to produce very heavy rainfall, with storms northwest of the eye dropping precipitation at rates over 60 mm/hour. The storm's vertical wind shear caused it to weaken, leading to a final landfall near the Gulf of Khambhat on Dec. 6.
Tropical Cyclone Ockhi is battling increasing wind shear and dry air as it moves north, weakening the storm. The cyclone is expected to become a remnant low pressure area by Dec 6, near Gulf of Khambhat.
The Global Precipitation Measurement Mission observed heavy rainfall around Tropical Cyclone Dahlia, creating landslide potential in southern Java. The satellite data revealed storm tops stretching to 12 km high, indicating strong precipitation rates.
Tropical Cyclone Ockhi formed in the Northern Indian Ocean after powerful thunderstorms wrapped into its center from the north. The storm was predicted to move northwest and eventually make landfall near Mumbai on Dec. 5.
Artificially cooling the planet through geoengineering could have devastating effects on regions prone to storms or droughts, a new study shows. The researchers warn that targeting one hemisphere for geoengineering could lead to increased likelihood of natural disasters in other parts of the world.
Tropical Depression Haikui has formed over the central Philippines with maximum sustained winds of 35 knots. The storm is expected to move northwest, crossing the Philippines and tracking through the South China Sea before making landfall in southern China.
Tropical Storm Rina has taken on a tight comma-cloud appearance, indicating it may be a sub-tropical cyclone. The storm is expected to turn north-northeast and then rapidly northeastward, with maximum sustained winds near 60 mph.
Tropical Depression 29W rapidly decayed after forming from remnants of Tropical Cyclone 28W. The NASA-NOAA Suomi NPP satellite captured a poorly organized low-level center near the Malay Peninsula, with maximum sustained winds near 20 knots.
Tropical Storm Saola is being affected by vertical wind shear and displaying powerful convective storms with rainfall rates exceeding 252 mm/h. The storm's height was measured to be above 17.5 km, indicating intense thunderstorms.
A new study estimates that future flood risk to New York City from tropical cyclones will be driven primarily by sea-level rise, with storm surges also playing a significant role. The researchers project mean overall flood heights to increase by 0.7-1.4 m by the end of the current century and 2.4-13 m by 2300.
Tropical Depression 26W formed on Oct. 19 near Manila, Philippines, moving northeast at 10 knots with maximum sustained winds of 25 knots. The system quickly became disorganized due to strong vertical wind shear and subsidence, leading to its rapid dissipation.
Heavy rainfall is expected to occur over a wide area, including locations well away from the center, along the Pacific coast of Central America. The tropical cyclone is forecast to strengthen as it moves over the Gulf of Mexico, threatening coastal areas from Louisiana through the Florida panhandle.