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.
NASA and NOAA satellites detected Tropical Depression 4 developing into Tropical Storm Danielle off the Mexican coast. The storm strengthened into a tropical cyclone on June 20, bringing heavy rain to eastern Mexico.
Tropical Depression Bonnie has redeveloped into a tropical depression, threatening eastern North Carolina with heavy rain. The storm's movement and intensity are expected to change, with slight strengthening possible in the next 24 hours.
NASA's RapidScat instrument measured surface wind speeds near 46.9 mph/75.6 kph northeast of the system's center in System 91L. The National Hurricane Center (NHC) noted that the system has a high chance, 90 percent, of becoming a tropical depression.
NASA's GPM satellite has detected a developing low-pressure system in the Atlantic Ocean between Bermuda and the Bahamas, which could potentially become a tropical or subtropical cyclone. Increasing shower activity near the center of the system suggests it may be on track to develop into a storm.
Roanu is intensifying with defined eye and broad storm surge potential, threatening widespread flooding in Bangladesh. The cyclone has already caused massive landslides and flooding in Sri Lanka and could reach hurricane strength, posing a significant threat to the region.
A developing tropical storm in the Bay of Bengal has caused massive landslides in south central Sri Lanka, burying three villages. The storm's heavy rainfall and intense rain bands have led to widespread flooding and mudslides, with hundreds feared buried.
Tropical Cyclone 01B is intensifying with maximum sustained winds of 40 knots, displacing 134,000 persons in the path of the storm. The system has caused record-breaking rainfall in Sri Lanka since its inception on May 14.
Research reveals that tropical cyclones in the southeastern United States increase forest photosynthesis and growth, capturing significant amounts of carbon from the atmosphere. This effect significantly exceeds carbon emissions from American vehicles each year.
Tropical Cyclone Amos weakened and dissipated in the Southern Pacific Ocean on April 24, 2016, after being torn apart by increasing wind shear. The storm's elongation was evident in composite satellite images, with heaviest rainfall appearing in its northwestern quadrant.
Tropical Cyclone Amos is affecting the Southwestern Pacific Islands, particularly Wallis and Futuna and American Samoa. The storm's maximum sustained winds have increased to 90 knots, with forecasters predicting intensification before a weakening trend begins.
NASA tracks Tropical Cyclone Fantala's decreasing wind speeds and intensifying rainfall rates, with estimates suggesting maximum sustained winds of 105 knots (121 mph). The storm is expected to encounter adverse conditions that will prompt a weakening trend north of Madagascar as it continues to move west toward the African mainland.
NASA's GOES-West satellite captures organized circulation of Tropical Cyclone Amos, indicating imminent rapid intensification. The storm is expected to become a hurricane by April 22, with potential threat for flash flooding in American Samoa.
Tropical Cyclone Fantala continues to move north of Madagascar with significant changes in its intensity and track. The storm showed heavy rainfall and a clouded eye due to vertical wind shear, causing it to reverse course and move southeastward over its earlier track.
Tropical Cyclone 20P formed in the Southern Pacific Ocean, with NASA's RapidScat instrument detecting tropical-storm-force winds on April 18. The storm is expected to affect American Samoa by the weekend, posing a threat of high surf and flash flooding.
Tropical Cyclone Fantala is a Category 2 hurricane with a wide, clear eye and powerful thunderstorms. The storm's maximum sustained winds were near 105 knots (120.8 mph/194.5 kph) on April 20.
Tropical Cyclone Fantala reached Category Five intensity with maximum sustained winds of 150 knots (173 mph), making it one of the strongest storms in the South Indian Ocean. NASA satellites tracked the storm's intense rainfall and powerful thunderstorms, providing critical data on its size and wind patterns.
Tropical Cyclone Fantala reached Category 5 status in the Southern Indian Ocean, with wind speeds exceeding 30 meters per second. The storm had a wide eye and powerful thunderstorms wrapping around it, according to NASA's observations from the RapidScat instrument and MODIS satellite.
Tropical cyclone Fantala continues to intensify, moving westward over the South Indian Ocean. The storm's maximum sustained winds reached 100 knots on April 15, making it a Category 4 hurricane and a major threat to Mauritius.
Tropical Cyclone Fantala intensified with sustained winds near 80 knots, prompting heavy rainfall of up to 189 mm/h. The Joint Typhoon Warning Center predicts further intensification and potential impact on northern Madagascar.
Tropical Cyclone Fantala has developed with a 15 nautical-mile-wide eye and strong thunderstorms circling the low-level center. The storm is intensifying rapidly as it moves west toward Madagascar, with projected peak winds of 120 knots (138 mph/222 kph) after three days.
Tropical cyclone Zena intensified over Vanuatu and Fiji with very high cloud tops and intense rainfall. The GPM satellite measured rainfall rates of almost 300 mm/hour in some areas.
Tropical Cyclone Zena intensified in the South Pacific Ocean near Vanuatu on April 5, 2016, causing sustained winds of over 35 knots. The GPM satellite measured intense downpours dropping rain at a rate of almost 154 mm per hour
Tropical Cyclone 18P formed west of Vanuatu on April 5, with strong thunderstorms and a thick band wrapping into the center from the south. The storm is expected to move east-southeast, cross Vanuatu, and track just south of Fiji before weakening.
NASA-NOAA's Suomi NPP satellite imaged the remnant low pressure area, with poorly-defined center circulation and clouds pushed southeast. The storm weakened rapidly due to strong vertical wind shear, ultimately deteriorating into a low-level trough by March 30.
Tropical Cyclone 17S formed on March 28 with sustained winds near 40 knots, located about 726 nautical miles south-southeast of Diego Garcia. The storm is expected to continue moving south before being disrupted by dry air.
The Suomi NPP satellite spotted the remnants of ex-Tropical Cyclone Emeraude in the Southern Indian Ocean, with a large area of remnant clouds visible. The system's maximum sustained surface winds were estimated at 20-25 knots, and its minimum sea level pressure was near 1005 millibars.
Tropical Cyclone Emeraude was severely weakened into a depression by March 22, 2016, with winds dropping to 30 knots. A visible image captured by the Suomi NPP satellite showed a swirl of clouds and isolated thunderstorms southwest of the center.
Tropical Cyclone Emeraude is weakening due to a partially exposed low-level circulation center and moderate vertical wind shear. The storm will continue to lose strength over the next couple of days as it moves westward through the open waters of the Southern Indian Ocean.
Tropical Cyclone Emeraude intensified rapidly after forming on March 15, 2016, with GPM's radar measuring extreme rainfall rates of over 8.2 inches per hour. The storm peaked at 125 knots and then weakened, but is expected to re-intensify as it curves toward the southwest.
NASA captured infrared temperature data of Tropical Cyclone Emeraude's clouds and measured its surface wind speed, revealing strong storms with potential to generate heavy rain. The storm intensified rapidly from a tropical storm to a Category 4 hurricane on March 17.
Tropical Cyclone 16P formed in the southern Gulf of Carpentaria on March 16 with NASA's Aqua satellite capture. The storm is predicted to make landfall near the mouth of the Gilbert River in Queensland, Australia, due to expected heavy rainfall and flash flooding.
Tropical Cyclone Emeraude formed on March 15, 2016, in the South Indian Ocean, with intense rainfall rates exceeding 220 mm/h. GPM data revealed a 3D structure of precipitation, indicating storm tops heights above 15 km.
A new study by the University of Sheffield reveals that hazardous tropical cyclones in the Philippines are increasing in intensity, leading to devastating consequences. The research suggests that rising sea-surface temperatures since the 1970s may be contributing to this trend.
Tropical Cyclone Yalo has weakened significantly due to strong vertical wind shear from an approaching low-pressure trough. The Joint Typhoon Warning Center issued their final bulletin on Feb. 26, reporting a maximum sustained wind speed of 35 knots (40 mph).
Tropical cyclone Yalo formed near Tahiti on Feb. 25, with NASA's Aqua satellite capturing infrared and microwave data. The storm is forecast to intensify before running into adverse conditions, threatening French Polynesia and Austral Islands.
Sub-tropical Storm Winston was weakening in the South Pacific when NASA-NOAA's Suomi NPP satellite passed over it on Feb. 25. The Joint Typhoon Warning Center issued its final bulletin, stating that Winston was threatening Norfolk Island with tropical-storm-force winds.
Tropical Cyclone Winston has weakened significantly due to strong vertical wind shear, with strongest storms pushed south of the center. The storm is expected to move south-southwest and weaken further, becoming sub-tropical south of New Caledonia.
Tropical Cyclone Winston maintained a pinhole eye as it weakened, with strong thunderstorms wrapping into the low-level center. The storm's forward speed increased, and forecasters expect it to turn southwestward before weakening significantly due to strong vertical wind shear.
Tropical Cyclone Winston made landfall in eastern Fiji as a Category 5 hurricane, bringing powerful winds and heavy rainfall. The storm dropped rain at a rate of over 169 mm/hour near its center.
Tropical Cyclone Winston is intensifying near Fiji, with NASA's Suomi NPP satellite capturing images of the strengthening storm. The Joint Typhoon Warning Center forecasts Winston to make landfall on the east coast of Fiji as a major Category 4 hurricane, threatening catastrophic damage and power outages.
GPM satellite reveals heavy rainfall and a well-defined circular eye in Tropical Cyclone Uriah, but also detects a weakening trend starting on Feb. 17, with maximum sustained winds peaking at 125 knots (144 mph) on Feb. 18.
Tropical Cyclone Winston made a U-turn in the Southern Pacific Ocean, shifting its trajectory towards Fiji. The storm's maximum sustained winds were near 100 knots (115.1 mph/185.2 kph) at 1500 UTC on Feb. 18.
Tropical Cyclone Uriah's surface winds reached 30 meters per second near its southwestern quadrant, with tropical-storm-force winds extending up to 230 nautical miles from the center. NASA's RapidScat and AIRS instruments showed wind shear's effect on cloud top temperatures, indicating the potential for heavy rain generation.
Tropical Cyclone Winston is intensifying over the Southern Pacific Ocean, affecting Tonga with gale warnings issued for Niue and waters east of Vava'u. The Joint Typhoon Warning Center forecasts Winston to continue strengthening before turning west and heading north of Tonga.
Tropical Cyclone Uriah intensifies to a Category Four hurricane with sustained winds near 115 knots, expected to reach peak intensity of 125 knots on Feb 18. Heavy rainfall and thunderstorms are observed south of the storm's center.
Tropical Cyclone Uriah strengthened into a hurricane due to weakening wind shear, according to NASA's Aqua satellite imagery. The storm's cloud top temperatures reached -63 degrees Fahrenheit, indicating high rainfall potential.
Tropical cyclone strengthening off Southwestern Pacific threatens Tonga and American Samoa with heavy rainfall, moving northeast at 10 knots. NASA satellites have observed cloud top temperatures exceeding -63 degrees Fahrenheit, indicating a high-intensity storm.
Tropical Cyclone Winston is intensifying with powerful thunderstorms circling its center and generating heavy rainfall. Sea surface temperatures of near 31 degrees Celsius are fueling the storm's growth, with maximum sustained winds expected to reach 105 knots.
RapidScat measures surface winds in intensifying tropical cyclone Tatiana, providing forecasters with pinpoint data to track strongest winds. The storm is currently well offshore and poses no immediate threat to the Queensland coast.
RapidScat instrument measures high winds in Tropical Cyclone Daya, while Aqua satellite detects cold cloud top temperatures. The storm is expected to weaken due to increasing wind shear.
A tropical low-pressure area is consolidating into a depression in the Southern Indian Ocean, with powerful convective storms dropping rain at a rate of over 3.7 inches per hour near Madagascar's eastern coast. The system's winds are expected to continue developing over the next 24 hours, posing a threat to the region.
Tropical Cyclone Stan weakened to a remnant low pressure area after landfall in Western Australia on January 30, 2016. The system dropped significant rainfall, with 77.8 mm recorded at Menzies and 40.4mm at Red Rocks Point.
Tropical Cyclone Stan is intensifying off Western Australia's coast, expected to make landfall on Saturday afternoon. The system will track steadily south-southeast and reach category 3 status before crossing the coast.