Tropical Storm Faxai has transitioned to an extra-tropical storm in the Pacific Ocean, characterized by a strong gale-force cold core low-pressure area. The system is expected to continue tracking through the Northern Pacific Ocean over the next several days with weakening winds.
The Global Precipitation Measurement mission found heavy rainfall north of the center of Tropical Storm Gabrielle, with rates over 25 mm per hour. The storm is expected to weaken and dissipate over the far North Atlantic west of the British Isles on Thursday, Sept. 12.
NASA used infrared data to analyze Tropical Storm Faxai, revealing powerful storms just offshore of Japan. The satellite found coldest cloud top temperatures as cold as -63 degrees Fahrenheit around Faxai's center.
Tropical Storm Gabrielle has become a post-tropical cyclone over the eastern Atlantic, with heavy rainfall and high winds expected. The storm is forecast to weaken into a remnant low tonight before slowly strengthening into a tropical cyclone by the weekend.
NASA's Aqua satellite detected a comma-shaped Tropical Storm Faxai using infrared light, revealing the storm's strongest thunderstorms near its center. The powerful storms are expected to bring heavy rainfall to Japan, particularly in the Tokyo area, where landfall is forecast for September 8.
Tropical Storm Akoni quickly transitioned into a post-tropical storm, with NASA capturing its transformation via visible and infrared images. The Moderate Resolution Imaging Spectroradiometer instrument revealed a rounded storm on September 5, while an infrared image showed strong storms southeast of the center on September 6.
Typhoon Lingling strengthened quickly in the Northwestern Pacific Ocean, fueled by powerful thunderstorms. NASA's MODIS instrument used infrared data to analyze storm strength and reveal coldest cloud top temperatures at minus 80 degrees Fahrenheit.
Extra-Tropical Storm Erin has merged with a frontal system off the US east coast, according to NASA data. Cloud top temperatures as cold as minus 70 degrees Fahrenheit indicate strong storms with heavy rainfall potential.
Tropical Depression 13W, now named Podul, crossed the Philippines from east to west, triggering warnings and wind signals in various provinces. The Suomi NPP satellite provided a visible image of the storm, showing its impact on the country from north to south.
Tropical Depression 6 forms under adverse conditions, with wind shear affecting its circulation. The depression is expected to strengthen into a tropical storm later tonight or on Wednesday as it moves northward and northeastward over the open Atlantic.
Researchers at McMaster University found that extreme weather events like hurricanes can drive the evolution of more aggressive spiders in storm-prone regions. Colonies with more aggressive foraging responses produce more egg cases and have more spiderlings survive into early winter after tropical cyclones.
Tropical Storm Krosa's center became difficult to pinpoint as it transitioned into an extra-tropical cyclone, with maximum sustained winds of 35 knots (40 mph). The storm was moving northeast and was expected to fully become extratropical during the day on August 16.
NASA's GPM satellite detected heavy rainfall around Tropical Storm Henriette's center, with rates reaching 25 mm/hour. The storm is moving west-northwest towards Mexico, expected to weaken and degenerate into a remnant low pressure area.
NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Storm Krosa, revealing a massive storm with fragmented thunderstorms. The storm is expected to make landfall over western Shikoku, Japan in two and a half days with maximum sustained winds near 55 knots.
Supertyphoon Lekima rapidly intensifies as it tracks north-northwest over the Pacific, with winds exceeding 130 knots and a strong eye. The storm is expected to reach Eastern China near Taizhou within 48 hours, potentially weakening by 72 hours after crossing Shanghai.
Tropical Storm Krosa developed a 'comma shape' signature from thunderstorms feeding into the low-level center. The storm's maximum sustained winds reached near 60 knots, strengthening as it moved north-northwest towards Japan.
Tropical Storm Francisco was transitioning into an extra-tropical cyclone as it passed over the Sea of Japan and approached the Korean Peninsula. The storm's strongest winds were initially near the earth's surface, but later shifted to the tropopause as it transformed.
Tropical Storm Gil formed on August 3 and strengthened to 40mph before weakening and degenerating into a remnant low pressure area. NASA's Terra satellite detected small areas of strong storms with cloud top temperatures as cold as -50F in the Eastern Pacific.
NASA's Aqua satellite detected coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit, indicating strong storms capable of heavy rain. The storm's center has migrated southward toward the strongest convection, positioning just north of the coldest cloud tops.
NASA's Aqua satellite detected a small area of strong thunderstorms with cold cloud top temperatures, enough to maintain Tropical Depression Dalila's tropical cyclone classification. The depression is forecasted to weaken and become a post-tropical remnant low in the coming days.
The storm is being affected by moderate vertical wind shear from the southwest, which can displace clouds and showers around the center. The Joint Typhoon Warning Center forecasts 07W to move north before dissipating in Japan.
Researchers found that cold and dry climates can produce a high frequency of hurricanes, which challenges the long-held assumption that water is necessary for their formation. The study used computer simulations to model hurricanes in extreme environments.
Tropical Storm Danas is being affected by vertical wind shear, which is pushing against it and affecting the storm's shape. The Joint Typhoon Warning Center predicts that Danas will veer to the north-northeast and run parallel to the east coast of China.
Tropical Depression 4E formed on July 13 with maximum sustained winds near 35 mph, but weakened due to southeasterly vertical wind shear. The depression dissipated into a remnant low pressure area by July 15.
Tropical Storm Barry's irregular shape and strong thunderstorms were detected using NASA's Aqua satellite, with winds extending up to 175 miles east of the center. The storm is expected to make landfall in Louisiana on Sunday, bringing heavy rainfall and potential flash flooding.
NASA's Aqua satellite detected a potential tropical cyclone in the Gulf of Mexico, with extremely cold cloud tops indicating heavy rain. The storm is moving westward and has the potential to strengthen into a hurricane by Friday.
Satellites analyzing developing gulf potential Tropical Cyclone Two have predicted heavy rainfall and storm surge for the central Gulf Coast. The system is forecast to strengthen into a tropical depression on Thursday morning and a hurricane by Friday.
Tropical Cyclone 04W was torn apart by strong windshear in the Northwestern Pacific. The storm's remnants continue to move northwest and dissipate.
Tropical Cyclone Vayu weakened due to dry air and wind shear, preventing thunderstorm development. The storm made landfall near Naliya, India, with minimal sustained winds of 40 mph.
Tropical Cyclone Vayu is weakening due to increasing vertical wind shear, causing it to elongate and potentially intensify into a hurricane. The Joint Typhoon Warning Center predicts landfall near the India/Pakistan border by June 17.
Tropical Cyclone Vayu is still lingering near the northwestern coast of India, with its cloud-filled eye offshore. The storm is weakening due to dry air feeding into it, but low vertical wind shear and warm waters are keeping it together.
NASA's NOAA-20 satellite captured a visible image of Tropical Cyclone Vayu, revealing an eye surrounded by powerful thunderstorms. The storm is expected to weaken due to increasing outside winds and dry air moving into the system.
Tropical Cyclone Vayu's central dense overcast feature was approximately 90-100 nautical miles in diameter, showing a compact and intense storm system. The cyclone is forecast to strengthen slightly and move northwest towards Pakistan, with its center keeping off-shore from India.
Tropical Cyclone Vayu intensified as its cloud top temperatures cooled, reaching -63 degrees Fahrenheit. NASA's Aqua satellite detected a compact core with bands of thunderstorms wrapping around it, indicating strong storms capable of creating heavy rain.
Tropical Cyclone 02A is developing in the Arabian Sea with warm sea surface temperatures and strong winds. Forecasters predict peak winds of 60 knots on June 12, with landfall near Jamnagar around June 14.
NASA's Aqua satellite detected a low-pressure area with strong thunderstorms and cold cloud top temperatures, indicating the potential for heavy rainfall. The system is forecast to move northwestward towards Mexico's northeastern coast, where it could become a tropical cyclone.
Ex-Tropical Cyclone Ann is moving west into the Gulf of Carpentaria, causing warnings for strong winds and flooding potential. The Australian Bureau of Meteorology issued a Strong Wind Warning and Flood Watch for coastal catchments in Queensland.
Tropical Cyclone Ann is moving over the Great Barrier Reef in the Coral Sea, bringing strong winds and heavy rainfall to northeast Queensland. The Australian Bureau of Meteorology has issued severe weather warnings for areas including Peninsula, North Tropical Coast and Tablelands, Herbert and Lower Burdekin Forecast Districts.
Tropical Cyclone Ann is a category 1 storm with sustained winds of 40 knots (46 mph) near its center. The cyclone is expected to make landfall on the east coast of the Cape York Peninsula, Queensland on May 15 as a category 1 system.
NASA analyzed Tropical Cyclone Lili using infrared data from the Aqua satellite, revealing strongest thunderstorms north of the center with cloud top temperatures as cold as minus 50 degrees Fahrenheit. Dry air entrainment is expected to continue sapping the storm's ability to generate thunderstorms, leading to its dissipation in a day.
Tropical Cyclone Lili forms in the Southern Indian Ocean, with NASA-NOAA's Suomi NPP satellite capturing its formation. The storm has maximum sustained winds near 40 knots (46 mph/74 kph) and is expected to strengthen slightly before weakening towards Timor.
Tropical Cyclone Fani brought heavy rainfall to the region and continues to drop heavy rainfall on May 3 as it moves towards Bangladesh. The GPM mission satellite captured an overpass of the powerful storm, showing high thunderstorms stretching into the troposphere and measuring rainfall rates up to 50 millimeters per hour.
Tropical Cyclone Fani, a Category 4 hurricane, is being closely monitored by NASA's Aqua satellite using infrared analysis. The satellite data revealed cloud top temperatures as cold as minus 80 degrees Fahrenheit, indicating strong storms capable of creating heavy rain.
NASA's Aqua and Terra satellites tracked Tropical Cyclone Fani as it strengthened and moved north through the Northern Indian Ocean. The storm showed signs of strong thunderstorms with cloud top temperatures as cold as -63 degrees Fahrenheit, indicating heavy rain potential.
Tropical Cyclone Fani is strengthening due to favorable conditions of warm sea surface temperatures and low wind shear. The storm's organization improved, with a tight circular area of powerful thunderstorms around its center of circulation.
Tropical Storm Fani exhibited extreme rainfall patterns, with the heaviest downpours occurring south of its center circulation. GPM measurements showed hourly rainfall rates ranging from 1 inch (25 mm) in thunderstorm bands to 1.6 inches (40 mm) per hour in a localized area.
Tropical Cyclone Lorna was torn apart by strong northwesterly wind shear, weakening the storm and causing it to dissipate. The 'extremely high' vertical wind shear environment was hostile to the storm, leading to its rapid demise.
Tropical Storm Lorna's maximum sustained winds reached 60 knots near April 26. The storm was forecast to strengthen into a hurricane and then begin transitioning into an extra-tropical cyclone by the weekend of April 27-28.
Tropical Cyclone Kenneth made landfall in northern Mozambique with maximum wind speeds of 140 miles per hour, causing significant rainfall and flooding. The storm's remnants continue to linger over the region, generating strong winds and severe thunderstorms.
Tropical Cyclone Kenneth, equivalent to a weak Category 4 storm, made landfall in northern Mozambique on April 25, causing widespread destruction and power outages. The storm's remnants may re-emerge over the Mozambique Channel after weakening over land.
Tropical Cyclone Lorna appears to be consolidating and strengthening with a more circular shape, according to NASA data from the Suomi NPP satellite. The storm is expected to move southeast while reaching hurricane strength, before becoming extra-tropical after three days.
Scientists study cloud top temperatures and identify strongest storms around the center of circulation and in a band of thunderstorms southwest of the center. The satellite data reveals cold cloud tops, indicating powerful storms with high rainfall potential.
Tropical Storm Lorna developed in the Southeastern Indian Ocean on April 23 and received its name on April 24. The storm has tracked east-southeast and is forecast to strengthen into a hurricane, potentially interacting with System 92S.
Tropical Storm Kenneth formed north of Madagascar and east of the Aldabra Atoll, a ring-shaped coral reef. The storm is expected to strengthen over warm sea surface temperatures and make landfall in extreme northern Mozambique on April 25.
NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Cyclone Wallace as it continued to weaken off the coast of Western Australia. Wind shear has pushed the bulk of the system's clouds southeast, tearing the storm apart.
Tropical Cyclone Wallace was sheared apart by northwesterly winds, causing its clouds to spread far inland. The storm's rotation was weakened due to wind shear, a phenomenon where winds at different altitudes push against the rotating cylinder of winds.
Tropical Cyclone Wallace has a more circular appearance, with an eye starting to emerge according to Australian Bureau of Meteorology. The system is forecast to strengthen over the next day or two before weakening below tropical cyclone intensity.
Tropical Cyclone 23S has developed north of the Kimberley coast and generated warnings in Western Australia. The cyclone is expected to move west-southwest while intensifying over the next four days, with a slight risk that it could approach the west Pilbara coast.
Tropical volcanic eruptions can shift the intertropical convergence zone, affecting global patterns of tropical cyclone likelihood and intensity. The effects can last for up to 4 years after large eruptions.
Tropical Cyclone Joaninha's maximum sustained winds dropped to 65 knots on March 29, 2019, after being pushed away from its center. The storm was expected to weaken further due to increasing wind shear and cooler sea surface temperatures.